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        172 API jobs in Heathrow (TW5) + 20 miles

        Frontend Developer

        Rullion Limited
        Clerkenwell, EC1M 6PB
        Negotiable
        6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB We are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. * Develop and maintain scalable and responsive web applications using React.js and TypeScript.
        6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB We are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. * Develop and maintain scalable and responsive web applications using React.js and TypeScript.
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        Senior Backend Engineer - Data Pipelines - £600.day

        Wilson Brown Limited
        EC1, City of London
        Up to £600 per day Outside IR35 & Fully Remote (UK)
        Senior Software Engineer - Data & Backend - Up to £600.day outside IR35 LegalTech | Remote (UK) | Python | GCP | Data Pipelines | Event-Based Solutions Were helping a seed-funded LegalTech startup build their MVP. They need a Data-Focused Senior Software Engineer with a passion for building data pipelines and backend engineering using Python. If you crave a role where you can build 0-1 and have big impact then look no further! * Location: Remote (UK Only) * Outside IR35 * Up to £600.day * 3 months (possible extension) As the Software Engineer on this project, youll design and build data pipelines in Python and GCP, deliver high-performance backend systems, and implement IaC to ensure everything scales. * Build backend services and data pipelines from scratch * Architect event-driven solutions in GCP with Pub/Sub & Cloud Run
        Senior Software Engineer - Data & Backend - Up to £600.day outside IR35 LegalTech | Remote (UK) | Python | GCP | Data Pipelines | Event-Based Solutions Were helping a seed-funded LegalTech startup build their MVP. They need a Data-Focused Senior Software Engineer with a passion for building data pipelines and backend engineering using Python. If you crave a role where you can build 0-1 and have big impact then look no further! * Location: Remote (UK Only) * Outside IR35 * Up to £600.day * 3 months (possible extension) As the Software Engineer on this project, youll design and build data pipelines in Python and GCP, deliver high-performance backend systems, and implement IaC to ensure everything scales. * Build backend services and data pipelines from scratch * Architect event-driven solutions in GCP with Pub/Sub & Cloud Run
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        My client, a leading Consutancy, is looking for a MurexArchitect. Role: Murex TechnicalArchitect Location: London (Onsite) Duration: 6 months Client: Tier-1 Bank (via Consultancy) We are seeking an experienced Murex TechnicalArchitectto lead the design, integration, and optimisation of Murex solutions for a major banking client. This role will be onsite in London, working closely with business and technology teams to deliver a complex Murex-related project within a tight timeline. Lead the technicalarchitecture and solution design for Murex implementations and enhancements. Oversee integration with upstream/downstream systems and ensure end-to-end performance, security, and scalability. Collaborate with functional leads, developers, and infrastructure teams to ensure alignment with business requirements.
        My client, a leading Consutancy, is looking for a MurexArchitect. Role: Murex TechnicalArchitect Location: London (Onsite) Duration: 6 months Client: Tier-1 Bank (via Consultancy) We are seeking an experienced Murex TechnicalArchitectto lead the design, integration, and optimisation of Murex solutions for a major banking client. This role will be onsite in London, working closely with business and technology teams to deliver a complex Murex-related project within a tight timeline. Lead the technicalarchitecture and solution design for Murex implementations and enhancements. Oversee integration with upstream/downstream systems and ensure end-to-end performance, security, and scalability. Collaborate with functional leads, developers, and infrastructure teams to ensure alignment with business requirements.
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        Front End Engineer React - Hedge Fund

        Client Server
        Victoria, SW1
        £70000 - £95000 per annum + bonus + benefits
        Front End Engineer / Developer (React v19 TypeScript) London / WFH to £95k Are you a Front End technologist looking for an opportunity to progress your career in a hands-on role with lots of learning opportunities? You could be joining a Hedge Fund with complex work and substantial bonus earning potential. As a Front End Engineer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. You'll join colleagues in the impressive Central London office with flexibility to work from home twice a week. * You have strong Front End development skills with React (they're using v19) and TypeScript
        Front End Engineer / Developer (React v19 TypeScript) London / WFH to £95k Are you a Front End technologist looking for an opportunity to progress your career in a hands-on role with lots of learning opportunities? You could be joining a Hedge Fund with complex work and substantial bonus earning potential. As a Front End Engineer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. You'll join colleagues in the impressive Central London office with flexibility to work from home twice a week. * You have strong Front End development skills with React (they're using v19) and TypeScript
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        NEWPREMIUM

        Senior Salesforce Developer

        167 Solutions Ltd
        SW1, South West London
        From £75,000 to £90,000 per annum
        Senior Salesforce Consultant / Senior Salesforce Developer / Senior Salesforce Programmer Location: Hybrid (London / UK 23 days onsite) Salary: £75,000 - £90,000 Plus Benefits We are hiring on behalf of our client for a Senior Salesforce Consultant to play a key role in an exciting organisation-wide Salesforce transformation. This role offers the opportunity to work across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud in a collaborative hybrid environment. Key Responsibilities * Lead end-to-end delivery across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud, from requirements gathering and solution design to configuration, development, testing, and deployment. * Deliver technical solutions in Salesforce including custom metadata, Lightning components, Apex code, APIs, and declarative automation.
        Senior Salesforce Consultant / Senior Salesforce Developer / Senior Salesforce Programmer Location: Hybrid (London / UK 23 days onsite) Salary: £75,000 - £90,000 Plus Benefits We are hiring on behalf of our client for a Senior Salesforce Consultant to play a key role in an exciting organisation-wide Salesforce transformation. This role offers the opportunity to work across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud in a collaborative hybrid environment. Key Responsibilities * Lead end-to-end delivery across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud, from requirements gathering and solution design to configuration, development, testing, and deployment. * Deliver technical solutions in Salesforce including custom metadata, Lightning components, Apex code, APIs, and declarative automation.
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        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description Join our team and youll be responsible for overseeing the technical integrations and overall system architecture supporting the Workday platform. Working in thePeople Applicationsdepartment, you willensure seamless operation of integrations, monitor technical performance, and manage the adoption of system releases.
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job platform. Job Description Join our team and youll be responsible for overseeing the technical integrations and overall system architecture supporting the Workday platform. Working in thePeople Applicationsdepartment, you willensure seamless operation of integrations, monitor technical performance, and manage the adoption of system releases.
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        PREMIUM
        6 Month Contract Fully Remote Rate: £520 - £540 per day (Inside IR35) Skills: C#.Net, XML / JSON API's, SC & NPPV3 Clearance We are looking for an experienced Software Engineer to join a high-profile public sector project. You will play a key role in designing, building, and maintaining software solutions in a secure environment, working closely with stakeholders to deliver robust, high-quality applications. This role requires active SC and NPPV3 clearance from day one. This is a fully remote UK based role. Key Responsibilities * Design, develop, and maintain applications using C# and .NET Framework/.NET 6+ * Work with XML/JSON APIs for integration and data exchange * Develop and execute automated tests with MSTest * Collaborate with stakeholders to gather and analyse requirements * Ensure software is secure, scalable, and maintainable Essential Skills
        6 Month Contract Fully Remote Rate: £520 - £540 per day (Inside IR35) Skills: C#.Net, XML / JSON API's, SC & NPPV3 Clearance We are looking for an experienced Software Engineer to join a high-profile public sector project. You will play a key role in designing, building, and maintaining software solutions in a secure environment, working closely with stakeholders to deliver robust, high-quality applications. This role requires active SC and NPPV3 clearance from day one. This is a fully remote UK based role. Key Responsibilities * Design, develop, and maintain applications using C# and .NET Framework/.NET 6+ * Work with XML/JSON APIs for integration and data exchange * Develop and execute automated tests with MSTest * Collaborate with stakeholders to gather and analyse requirements * Ensure software is secure, scalable, and maintainable Essential Skills
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        Senior Software Developer

        Tech 4
        E10, East London
        From £64,000 to £70,000 per annum + excellent benefits
        Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. Requirements * Design and implement systems and software to meet requirements using appropriate tools and methods. * Promote the creation of high-quality code by commitment to practices such as test-driven development, pair programming and code review. * Be responsible for the technical development of all stages of software creation, including testing; ensure that implementation meets security, performance, and safety requirements. * Suggest improvements to the code base, development processes, tooling and working practices.
        Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. Requirements * Design and implement systems and software to meet requirements using appropriate tools and methods. * Promote the creation of high-quality code by commitment to practices such as test-driven development, pair programming and code review. * Be responsible for the technical development of all stages of software creation, including testing; ensure that implementation meets security, performance, and safety requirements. * Suggest improvements to the code base, development processes, tooling and working practices.
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        .NET Software Developer Senior

        Queen Square Recruitment Limited
        GU14, Farnborough
        Up to £365 per day
        Our client, a leading global organization, is partnering with a prestigious end client based in Farnborough. Were excited to offer an outstanding opportunity for aSenior .NET Developerwith strong skills inRESTful APIsandmicroservice architecturefor a6-month contract. If you are interested and have the relevant skills and experience, please apply promptly to discuss further. .NET Senior Developer * 6 months contract * Day Rate:£365/day (Inside IR35) * Location:Farnborough, UK (Hybrid 2 days on-site/week) Youll be contributing to the development and enhancement of business-critical financial applications, building RESTful APIs and front-end components within a microservices-based architecture. The role offers the chance to work closely with analysts, testers, and other developers in an agile, team-driven environment.
        Our client, a leading global organization, is partnering with a prestigious end client based in Farnborough. Were excited to offer an outstanding opportunity for aSenior .NET Developerwith strong skills inRESTful APIsandmicroservice architecturefor a6-month contract. If you are interested and have the relevant skills and experience, please apply promptly to discuss further. .NET Senior Developer * 6 months contract * Day Rate:£365/day (Inside IR35) * Location:Farnborough, UK (Hybrid 2 days on-site/week) Youll be contributing to the development and enhancement of business-critical financial applications, building RESTful APIs and front-end components within a microservices-based architecture. The role offers the chance to work closely with analysts, testers, and other developers in an agile, team-driven environment.
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        NEW

        Senior Full Stack Engineer

        Searchworks Ltd
        Shoreditch, E1
        From £70,000 to £80,000 per annum
        Our client is a fast-growing and well-funded proptech companyon a mission to simplify the stressful process of selling your home. Backed by top-tier investors and operating at the heart of the property market, theyre building a platform that brings clarity, insight, and ease to one of lifes most complex transactions. Theyre looking for aFull Stack Developerwho thrives in ambiguity, loves shipping impactful products, and wants to help shape the future of property tech. If you enjoy solving problems across both frontend and backend, and want to work in a product-first, user-focused environment, this could be the role for you. Employment Type: Full-Time Level:MidSenior (Full Stack Engineer) Industry:Property Technology Functions:Full Stack Development | Product Engineering | Software Delivery * Proven experience withJavaScript/Node.jsin a full stack role
        Our client is a fast-growing and well-funded proptech companyon a mission to simplify the stressful process of selling your home. Backed by top-tier investors and operating at the heart of the property market, theyre building a platform that brings clarity, insight, and ease to one of lifes most complex transactions. Theyre looking for aFull Stack Developerwho thrives in ambiguity, loves shipping impactful products, and wants to help shape the future of property tech. If you enjoy solving problems across both frontend and backend, and want to work in a product-first, user-focused environment, this could be the role for you. Employment Type: Full-Time Level:MidSenior (Full Stack Engineer) Industry:Property Technology Functions:Full Stack Development | Product Engineering | Software Delivery * Proven experience withJavaScript/Node.jsin a full stack role
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        Senior Software Engineer

        Halian Technology Limited
        W1, Central London
        From £90,000 to £95,000 per annum Plus bonus and benefits
        Join a leading payments company at the forefront of innovation in the financial services sector. They're on a mission to simplify payments and create seamless, secure transaction experiences for millions of users. With a focus on technology, agility, and product excellence, we offer an exciting environment where engineers are empowered to make real impact. Role Overview They're looking for a skilled and passionateBackend skillsinNode.js. You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features usingReact. Exposure toAWSand/orNext.JSis a strong plus. Key Responsibilities * Design, develop, and maintain scalable backend services usingNode.js. * Collaborate with frontend engineers to build seamless APIs and interfaces
        Join a leading payments company at the forefront of innovation in the financial services sector. They're on a mission to simplify payments and create seamless, secure transaction experiences for millions of users. With a focus on technology, agility, and product excellence, we offer an exciting environment where engineers are empowered to make real impact. Role Overview They're looking for a skilled and passionateBackend skillsinNode.js. You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features usingReact. Exposure toAWSand/orNext.JSis a strong plus. Key Responsibilities * Design, develop, and maintain scalable backend services usingNode.js. * Collaborate with frontend engineers to build seamless APIs and interfaces
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        NEW

        Senior Tech Lead/Technical Manager

        Liv-Ex
        SE1, South East London
        Competitive salary plus profit share and benefits
        Exciting opportunity for a smart, ‘can-do’ minded individual to become a vital part of our technology team. Supporting and executing our growth plan will be key, making our technology smarter whilst exploring new opportunities. About Liv-ex With over 630 members worldwide, Liv-ex is today the global marketplace for the wine trade. We offer a multitude of business services covering trading opportunities, data, logistics and various automation technologies; aimed at a diverse group of wine businesses, from ambitious young start-ups to established merchants and traders. Our aim is to make the wine trade more transparent, efficient, and safe, for the benefit of our members and the market as a whole. We are hardworking, committed and action oriented, retaining a valued neutrality in the market.
        Exciting opportunity for a smart, ‘can-do’ minded individual to become a vital part of our technology team. Supporting and executing our growth plan will be key, making our technology smarter whilst exploring new opportunities. About Liv-ex With over 630 members worldwide, Liv-ex is today the global marketplace for the wine trade. We offer a multitude of business services covering trading opportunities, data, logistics and various automation technologies; aimed at a diverse group of wine businesses, from ambitious young start-ups to established merchants and traders. Our aim is to make the wine trade more transparent, efficient, and safe, for the benefit of our members and the market as a whole. We are hardworking, committed and action oriented, retaining a valued neutrality in the market.
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        NEWPREMIUM
        We are working with a leading igaming organisation that needs a Senior Angular Developer to come board to work on some exciting new projects enhancing their fully responsive web product built on Angular. On a day-to-day basis you will be working with business stakeholders developing new feature enhancements to the platform and continuing development of their technical enhancement roadmap whilst also contributing to improvements in overall platform architecture Developing new feature enhancements to the platform Integrating new Casino game suppliers as required by the business Continuing development of their technical enhancement roadmap At least 5+ years experience in front end technologies specifically 3+ years with Angular version 10+ At least 2+ years experience with Reactive programming using RXJS
        We are working with a leading igaming organisation that needs a Senior Angular Developer to come board to work on some exciting new projects enhancing their fully responsive web product built on Angular. On a day-to-day basis you will be working with business stakeholders developing new feature enhancements to the platform and continuing development of their technical enhancement roadmap whilst also contributing to improvements in overall platform architecture Developing new feature enhancements to the platform Integrating new Casino game suppliers as required by the business Continuing development of their technical enhancement roadmap At least 5+ years experience in front end technologies specifically 3+ years with Angular version 10+ At least 2+ years experience with Reactive programming using RXJS
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        About the role We have an exciting opportunity for aFull-Stack JavaScript Engineerto join the elementsuite teamsomeone whos passionate about building high-quality products and tools across the stack. This role blends front-end finesse with back-end capability, and were especially keen to meet developers who can pair modern JavaScript frameworks with solid SQL experience to help power our next-gen HR platform. Youll work closely with our Application Development team to deliver scalable, maintainable software that supports our growing user base. This is a hands-on, end-to-end rolefrom building intuitive interfaces using Vue.js and Knockout.js, to writing performant queries and helping shape our data model. elementsuiteis rewriting the rulebook on how enterprise software is built.
        About the role We have an exciting opportunity for aFull-Stack JavaScript Engineerto join the elementsuite teamsomeone whos passionate about building high-quality products and tools across the stack. This role blends front-end finesse with back-end capability, and were especially keen to meet developers who can pair modern JavaScript frameworks with solid SQL experience to help power our next-gen HR platform. Youll work closely with our Application Development team to deliver scalable, maintainable software that supports our growing user base. This is a hands-on, end-to-end rolefrom building intuitive interfaces using Vue.js and Knockout.js, to writing performant queries and helping shape our data model. elementsuiteis rewriting the rulebook on how enterprise software is built.
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        NEW

        Senior Backend Engineer

        Ncounter LTD
        W1, Central London
        From £120,000 to £160,000 per annum Equity and package
        Product-Focused Backend Engineer Functional Programming & Distributed Systems London (Hybrid) | £120,000£160,000 + Equity At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs with full transparency - ensuring trust, compliance, and control remain central to every decision. As a Backend Engineer, youll join a growing team working at the forefront of AI infrastructure. This isnt just about clean code or strong delivery - its about ownership, product intuition, and building for scale. Youll be part of a lean, high-calibre engineering function where every member contributes to planning, testing, analysis, and execution.
        Product-Focused Backend Engineer Functional Programming & Distributed Systems London (Hybrid) | £120,000£160,000 + Equity At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs with full transparency - ensuring trust, compliance, and control remain central to every decision. As a Backend Engineer, youll join a growing team working at the forefront of AI infrastructure. This isnt just about clean code or strong delivery - its about ownership, product intuition, and building for scale. Youll be part of a lean, high-calibre engineering function where every member contributes to planning, testing, analysis, and execution.
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        Integration Engineer

        Lynx Recruitment Limited
        SW1E, South West London
        Up to £65,000 per annum
        Location: Based in London Hybrid (1-2 days a week onsite) Type: Full-time | Permanent Were looking for a talented Azure Integration Engineer to join a fast-paced consulting environment, delivering robust integration solutions using Microsoft Azure services. Key Requirements Essential Skills * Hands-on experience with Azure Integration Services: Logic Apps, API Management, Service Bus, Event Grid, Function Apps * Background in C# (.NET) or Java development * Understanding of REST APIs and integration patterns * Strong communication, problem-solving, and client-facing skills * Ability to work independently and collaboratively Desirable Skills * Knowledge of BizTalk Server and Azure Data Factory * Familiarity with integration frameworks (e.g., MuleSoft, Apache Camel) * Experience with DevOps, CI/CD, Infrastructure as Code (e.g., Bicep, Terraform)
        Location: Based in London Hybrid (1-2 days a week onsite) Type: Full-time | Permanent Were looking for a talented Azure Integration Engineer to join a fast-paced consulting environment, delivering robust integration solutions using Microsoft Azure services. Key Requirements Essential Skills * Hands-on experience with Azure Integration Services: Logic Apps, API Management, Service Bus, Event Grid, Function Apps * Background in C# (.NET) or Java development * Understanding of REST APIs and integration patterns * Strong communication, problem-solving, and client-facing skills * Ability to work independently and collaboratively Desirable Skills * Knowledge of BizTalk Server and Azure Data Factory * Familiarity with integration frameworks (e.g., MuleSoft, Apache Camel) * Experience with DevOps, CI/CD, Infrastructure as Code (e.g., Bicep, Terraform)
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        Skills * 5+ years of experience in IAM, with at least 3 years as a SailPoint specialist. * Strong hands-on experience with SailPoint IdentityIQ or IdentityNow. * Proficiency in Java, BeanShell, REST APIs and scripting languages (e.g., PowerShell, Python). * Experience integrating SailPoint with systems like Active Directory, Azure AD, Workday, ServiceNow etc. * Solid understanding of RBAC, ABAC, access certifications, provisioning and identity lifecycle management. * Familiarity with identity governance frameworks and compliance requirements. * Excellent communication, documentation and stakeholder engagement skills. Role * Act as the primary subject matter expert for SailPoint IdentityNow or IdentityIQ. * Lead design, implementation and integration of SailPoint solutions into existing identity infrastructure.
        Skills * 5+ years of experience in IAM, with at least 3 years as a SailPoint specialist. * Strong hands-on experience with SailPoint IdentityIQ or IdentityNow. * Proficiency in Java, BeanShell, REST APIs and scripting languages (e.g., PowerShell, Python). * Experience integrating SailPoint with systems like Active Directory, Azure AD, Workday, ServiceNow etc. * Solid understanding of RBAC, ABAC, access certifications, provisioning and identity lifecycle management. * Familiarity with identity governance frameworks and compliance requirements. * Excellent communication, documentation and stakeholder engagement skills. Role * Act as the primary subject matter expert for SailPoint IdentityNow or IdentityIQ. * Lead design, implementation and integration of SailPoint solutions into existing identity infrastructure.
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        NEWPREMIUM
        Role: ServiceNow Developer Salary/Rate: £600-700 Location: hybrid multiple locations available Contract Duration: 12 months We are currently looking for a ServiceNow Developer for our government client. This ServiceNow Developer role is hybrid, based between 2 days per week on site and the remainder of the week working remotely. Office locations include most major towns, with London being a preference. The contract for the ServiceNow Developer position is for 12-months with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Proficiency in JavaScript: Core scripting language used in ServiceNow. * Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB.
        Role: ServiceNow Developer Salary/Rate: £600-700 Location: hybrid multiple locations available Contract Duration: 12 months We are currently looking for a ServiceNow Developer for our government client. This ServiceNow Developer role is hybrid, based between 2 days per week on site and the remainder of the week working remotely. Office locations include most major towns, with London being a preference. The contract for the ServiceNow Developer position is for 12-months with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Proficiency in JavaScript: Core scripting language used in ServiceNow. * Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB.
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        NEW

        Web App Developer

        ION Recruitment
        GU1, Guildford
        From £50,000 to £60,000 per annum PLUS A BLUE CHIP PACKAGE
        Web Applications Developer - Business Systems Location:Guildford Ion Recruitment is committed to connecting talented professionals with innovative organizations. We are currently searching for a skilled Business Systems Developer focused on web applications to join our clientsteam and enhance our digital solutions. As a Business Systems Developer specializing in web applications, you will be responsible for designing, developing, and maintaining web-based systems that support our business functions. You will work closely with stakeholders to gather requirements and create effective, user-friendly solutions that improve operational efficiency. Key skills & responsibilities * Design and develop robust web applications that align with organizational objectives. * C#.NET MVC * C#.NET Core 8 * Entity Framework * Web Forms/Web Controls * Blazor (DevExpress controls)
        Web Applications Developer - Business Systems Location:Guildford Ion Recruitment is committed to connecting talented professionals with innovative organizations. We are currently searching for a skilled Business Systems Developer focused on web applications to join our clientsteam and enhance our digital solutions. As a Business Systems Developer specializing in web applications, you will be responsible for designing, developing, and maintaining web-based systems that support our business functions. You will work closely with stakeholders to gather requirements and create effective, user-friendly solutions that improve operational efficiency. Key skills & responsibilities * Design and develop robust web applications that align with organizational objectives. * C#.NET MVC * C#.NET Core 8 * Entity Framework * Web Forms/Web Controls * Blazor (DevExpress controls)
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        Junior Presales Engineer, UK (German & English)

        Optibus Transportation Limited
        The City, EC2M 5TQ
        From £39,000 to £45,000 per annum Salary displays OTE, which is 80% &
        Optibusis a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike. We are looking for a Junior Presales Engineer to join our global Revenue team!
        Optibusis a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike. We are looking for a Junior Presales Engineer to join our global Revenue team!
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        NEW
        Job Title: Solutions Architect – CRM Job Type- Permanent Location: London (remote/Hybrid) Industry- Real Estate Consultancy Salary- up to £90K p/a Our client, a leading real estate consultancy is undergoing a major transformation to enhance their delivery of innovative solutions and services. They are looking for a skilled Solutions Architect to lead the design and delivery of scalable, high-performance CRM systems, primarily using Microsoft Dynamics 365 (experience with platforms like Salesforce is also valued). This role sits within the Chief Technology Office and supports fast, iterative delivery across value streams. You'll work closely with Product Owners, Business Analysts, and Engineering teams to ensure solutions are resilient, scalable, and aligned with business and technical goals.
        Job Title: Solutions Architect – CRM Job Type- Permanent Location: London (remote/Hybrid) Industry- Real Estate Consultancy Salary- up to £90K p/a Our client, a leading real estate consultancy is undergoing a major transformation to enhance their delivery of innovative solutions and services. They are looking for a skilled Solutions Architect to lead the design and delivery of scalable, high-performance CRM systems, primarily using Microsoft Dynamics 365 (experience with platforms like Salesforce is also valued). This role sits within the Chief Technology Office and supports fast, iterative delivery across value streams. You'll work closely with Product Owners, Business Analysts, and Engineering teams to ensure solutions are resilient, scalable, and aligned with business and technical goals.
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        NEWFEATURED

        Senior Software Engineer C#

        McCabe & Barton
        EC2, City of London
        From £350 to £450 per day
        Senior C# Developer Contract £400/day Remote Join a cutting-edge music-tech business transforming how music artists and creators connect. As a Senior C# Developer, youll own new feature delivery, shape architecture, and work with a modern stack (C#/.NET Core, Blazor, ReactiveUI, Rx.NET) in a lean, fast-moving team. * 5+ years C#/.NET experience * Strong reactive programming skills (Rx.NET, async streams) * Blazor + ReactiveUI expertise * TDD mindset & solid API design skills Why join:? Shape a product from the ground up? Fully remote (4+ hrs UK overlap)? Autonomy & impact? Purpose-driven mission in music tech?? Apply now and help build the future of music licensing.
        Senior C# Developer Contract £400/day Remote Join a cutting-edge music-tech business transforming how music artists and creators connect. As a Senior C# Developer, youll own new feature delivery, shape architecture, and work with a modern stack (C#/.NET Core, Blazor, ReactiveUI, Rx.NET) in a lean, fast-moving team. * 5+ years C#/.NET experience * Strong reactive programming skills (Rx.NET, async streams) * Blazor + ReactiveUI expertise * TDD mindset & solid API design skills Why join:? Shape a product from the ground up? Fully remote (4+ hrs UK overlap)? Autonomy & impact? Purpose-driven mission in music tech?? Apply now and help build the future of music licensing.
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        Technical Business Analyst

        Ncounter LTD
        EC1, City of London
        From £120,000 to £150,000 per annum Bonus and package
        Ncounter is hiring a hybrid Technical Business Analyst / Project Manager to join a high-performance technology team delivering complex trading solutions across global markets. Youll play a pivotal role in shaping products that underpin real-time financial decision-making, working across engineering, research, and infrastructure groups. Whether your strengths lie in requirements analysis or delivery management, this role offers the chance to influence business-critical systems in a high-frequency trading environment. Where youll make an impact Youll either join the analysis team, acting as the key translator between business goals and technical implementation, or take the reins on end-to-end project deliverydepending on your expertise and focus. * Capture and refine detailed business and technical requirements
        Ncounter is hiring a hybrid Technical Business Analyst / Project Manager to join a high-performance technology team delivering complex trading solutions across global markets. Youll play a pivotal role in shaping products that underpin real-time financial decision-making, working across engineering, research, and infrastructure groups. Whether your strengths lie in requirements analysis or delivery management, this role offers the chance to influence business-critical systems in a high-frequency trading environment. Where youll make an impact Youll either join the analysis team, acting as the key translator between business goals and technical implementation, or take the reins on end-to-end project deliverydepending on your expertise and focus. * Capture and refine detailed business and technical requirements
        more
        We are looking for an enthusiastic and proactive Automation Test Engineer who boasts experience with Python and Pytest to join our fantastic London based fintech client, working largely remote with monthly get togethers. This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium and Appium. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
        We are looking for an enthusiastic and proactive Automation Test Engineer who boasts experience with Python and Pytest to join our fantastic London based fintech client, working largely remote with monthly get togethers. This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium and Appium. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
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        Azure Administrator

        Queen Square Recruitment Limited
        EC2N, City of London
        From £400 to £500 per day inside IR35, DOE
        DB Admin & Developer Azure Cosmos DB Location:Central London Contract Type:6 month initial contract, starting ASAP Industry:Banking & Financial Services Day rate:Administrator £400 - 450 (TBC, inside IR35) Developer £450 - £500 (TBC, inside IR35) Our client, a large global consultancy, is seeking aDB Admin & Developerto play a key role in designing and developingscalable, secure, and high-performance applicationstailored for thebanking and financial servicessector. This is a hands-on role where you willarchitect cloud-native solutionsusingAzure Cosmos DB (SQL & Mongo APIs), designpartitioning strategies, indexing, and consistency models, and ensurereal-time processing of critical financial data. Key Responsibilities * Architect and develop cloud-native applications usingAzure Cosmos DB (SQL & Mongo APIs)
        DB Admin & Developer Azure Cosmos DB Location:Central London Contract Type:6 month initial contract, starting ASAP Industry:Banking & Financial Services Day rate:Administrator £400 - 450 (TBC, inside IR35) Developer £450 - £500 (TBC, inside IR35) Our client, a large global consultancy, is seeking aDB Admin & Developerto play a key role in designing and developingscalable, secure, and high-performance applicationstailored for thebanking and financial servicessector. This is a hands-on role where you willarchitect cloud-native solutionsusingAzure Cosmos DB (SQL & Mongo APIs), designpartitioning strategies, indexing, and consistency models, and ensurereal-time processing of critical financial data. Key Responsibilities * Architect and develop cloud-native applications usingAzure Cosmos DB (SQL & Mongo APIs)
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