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        Api
        Sheffield
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        0 Part Time API jobs in Sheffield + 20 miles

        5 exact matches jobs are outside your preferred location

        Naimuri - Software Engineer

        QinetiQ
        Manchester, Greater Manchester
        Competitive
        Job Title: Naimuri - Software Engineer Location: Manchester Job Type: Permanent - Fulltime We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government and law enforcement organisations on some of the most challenging data and technology problems out there. We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to building an inclusive, safe and supportive environment that allows everyone to do their best work. We are happy to support any accessibility or neurodiversity requirements that you may need during the recruitment process. Weve been around for about ten years and grown from being a little-known tech start-up to creating our own community at the heart of the thriving and diverse tech and digital ecosystem of Greater Manchester.
        Job Title: Naimuri - Software Engineer Location: Manchester Job Type: Permanent - Fulltime We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government and law enforcement organisations on some of the most challenging data and technology problems out there. We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to building an inclusive, safe and supportive environment that allows everyone to do their best work. We are happy to support any accessibility or neurodiversity requirements that you may need during the recruitment process. Weve been around for about ten years and grown from being a little-known tech start-up to creating our own community at the heart of the thriving and diverse tech and digital ecosystem of Greater Manchester.
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        Job Title: Naimuri - Software Engineer Location: Manchester Job Type: Permanent - Fulltime, Minimum 3 days per week on site We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government and law enforcement organisations on some of the most challenging data and technology problems out there. We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to building an inclusive, safe and supportive environment that allows everyone to do their best work. We are happy to support any accessibility or neurodiversity requirements that you may need during the recruitment process.
        Job Title: Naimuri - Software Engineer Location: Manchester Job Type: Permanent - Fulltime, Minimum 3 days per week on site We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government and law enforcement organisations on some of the most challenging data and technology problems out there. We strongly encourage candidates of all different backgrounds and identities to apply. We are committed to building an inclusive, safe and supportive environment that allows everyone to do their best work. We are happy to support any accessibility or neurodiversity requirements that you may need during the recruitment process.
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        267662BR Project Manager Epos Replacement (Programme Griffin) Nottingham, Nottingham Support Office Secondment Full-time Job Description Contract: Secondment / Fixed Term Contract - 24 Months Location: Nottingham (Support Office) Closing date: 01/01/26 Recruitment Partner: Daniel White, Are you an experienced Project Manager looking for a new challenge? We have an exciting opportunity to join a transformational project team during the discovery and planning stage of the new Epos Replacement Programme at Boots. Reporting to the business lead, you will sit within our Central Operations function and will work closely with IT, Finance, Internal and external partners. You will define the scope and implementation plan for this new system, which is a truly cross-functional piece of work! About the role
        267662BR Project Manager Epos Replacement (Programme Griffin) Nottingham, Nottingham Support Office Secondment Full-time Job Description Contract: Secondment / Fixed Term Contract - 24 Months Location: Nottingham (Support Office) Closing date: 01/01/26 Recruitment Partner: Daniel White, Are you an experienced Project Manager looking for a new challenge? We have an exciting opportunity to join a transformational project team during the discovery and planning stage of the new Epos Replacement Programme at Boots. Reporting to the business lead, you will sit within our Central Operations function and will work closely with IT, Finance, Internal and external partners. You will define the scope and implementation plan for this new system, which is a truly cross-functional piece of work! About the role
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        AI Engineer - Contract (Remote, UK based) - EdTech - 4-6 Months + Possible Extension - £350-375 p/d outside IR35 A UK-based EdTech Start-Up is hiring an experienced contract AI Engineer to help build the next generation of their intelligent assessment systems. Used by awarding bodies and training providers, you'll work across backend services, LLM workflows, evaluation pipelines, and agentic automation. You will deliver scalable AI features that improve the accuracy, consistency, and speed of skills and knowledge evaluation. This role suits someone who enjoys autonomy, works well in a pragmatic environment, and is confident making technical decisions without fully defined specs.
        AI Engineer - Contract (Remote, UK based) - EdTech - 4-6 Months + Possible Extension - £350-375 p/d outside IR35 A UK-based EdTech Start-Up is hiring an experienced contract AI Engineer to help build the next generation of their intelligent assessment systems. Used by awarding bodies and training providers, you'll work across backend services, LLM workflows, evaluation pipelines, and agentic automation. You will deliver scalable AI features that improve the accuracy, consistency, and speed of skills and knowledge evaluation. This role suits someone who enjoys autonomy, works well in a pragmatic environment, and is confident making technical decisions without fully defined specs.
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        We’re looking for an Implementation Manager to join our growing Implementation team and play a key role in onboarding new EVRi clients. This is a highly visible role where you’ll ensure our customers’ first experience of EVRi is seamless, positive, and sets them up for long-term success. Working closely with the Implementation Team Manager and Senior Implementation Manager, you’ll lead the onboarding of key clients, managing each implementation as a structured project and acting as the bridge between Sales, Client Development, and Operations. You’ll also provide short-term “nursery care” support for existing clients during periods of service strain, helping stabilise performance and identify long-term solutions. Interested? * Lead end-to-end onboarding for key clients with annual volumes of 500k+, ensuring a smooth transition from competitor networks to EVRi.
        We’re looking for an Implementation Manager to join our growing Implementation team and play a key role in onboarding new EVRi clients. This is a highly visible role where you’ll ensure our customers’ first experience of EVRi is seamless, positive, and sets them up for long-term success. Working closely with the Implementation Team Manager and Senior Implementation Manager, you’ll lead the onboarding of key clients, managing each implementation as a structured project and acting as the bridge between Sales, Client Development, and Operations. You’ll also provide short-term “nursery care” support for existing clients during periods of service strain, helping stabilise performance and identify long-term solutions. Interested? * Lead end-to-end onboarding for key clients with annual volumes of 500k+, ensuring a smooth transition from competitor networks to EVRi.
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        Thales people provide armed forces customers with operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defence mission systems solutions at land, sea, and air. Our platforms extend across the battlespace including Above and Sonar, Electronic Combat, and Intelligence, Surveillance and Reconnaissance systems. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer. We innovate across the major industries of Aerospace, Defence, Security and Space.
        Thales people provide armed forces customers with operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defence mission systems solutions at land, sea, and air. Our platforms extend across the battlespace including Above and Sonar, Electronic Combat, and Intelligence, Surveillance and Reconnaissance systems. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer. We innovate across the major industries of Aerospace, Defence, Security and Space.
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        Senior Backend Developer

        DCV Technologies Limited
        Manchester (M1)
        From £400 to £470 per day 6 month contract plus extension
        Senior Mobile Backend Developer (Java / Kotlin, AWS, Microservices) Contract Manchester | Hybrid We are hiring a Senior Mobile Backend Developer to work on high-scale, cloud-native platforms supporting mobile applications in a regulated environment. This is a hands-on backend role focused on Java/Kotlin microservices, secure API design, and cloud delivery. You will contribute across the full SDLC while influencing engineering standards, best practices, and technical quality. Key Responsibilities * Design and build scalable backend services using Java or Kotlin and Spring Boot * Develop secure, mobile-facing APIs using OAuth 2.0 and modern authentication patterns * Work with microservices and event-driven architectures * Deploy and support services in AWS / cloud environments * Apply TDD / BDD and automation testing to deliver high-quality code
        Senior Mobile Backend Developer (Java / Kotlin, AWS, Microservices) Contract Manchester | Hybrid We are hiring a Senior Mobile Backend Developer to work on high-scale, cloud-native platforms supporting mobile applications in a regulated environment. This is a hands-on backend role focused on Java/Kotlin microservices, secure API design, and cloud delivery. You will contribute across the full SDLC while influencing engineering standards, best practices, and technical quality. Key Responsibilities * Design and build scalable backend services using Java or Kotlin and Spring Boot * Develop secure, mobile-facing APIs using OAuth 2.0 and modern authentication patterns * Work with microservices and event-driven architectures * Deploy and support services in AWS / cloud environments * Apply TDD / BDD and automation testing to deliver high-quality code
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        Gen AI Engineer

        AVENSYS CONSULTING (UK) LTD
        London
        From £450 to £500 per day
        Role: Gen AI Engineer Location: Remote Contract: 06 Months Rate: 450-500 GBP Per Day Inside IR35 MAX The Gen AI Engineer will be a specialized type of artificial intelligence professional, focused on designing, developing & implementing generative AI models and algorithms. Working collaboratively with the team to ensure project deadlines are met. * Design, prototype, and deploy Generative AI models (LLMs, Transformers, Diffusion models) for enterprise use cases. * Build and fine-tune LLM-based applications (chatbots, summarization, document Q&A, report generation, code assistants, etc.). * Apply prompt engineering, RAG (Retrieval-Augmented Generation), and context-aware pipelines to ensure accuracy and relevance. * Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js backends.
        Role: Gen AI Engineer Location: Remote Contract: 06 Months Rate: 450-500 GBP Per Day Inside IR35 MAX The Gen AI Engineer will be a specialized type of artificial intelligence professional, focused on designing, developing & implementing generative AI models and algorithms. Working collaboratively with the team to ensure project deadlines are met. * Design, prototype, and deploy Generative AI models (LLMs, Transformers, Diffusion models) for enterprise use cases. * Build and fine-tune LLM-based applications (chatbots, summarization, document Q&A, report generation, code assistants, etc.). * Apply prompt engineering, RAG (Retrieval-Augmented Generation), and context-aware pipelines to ensure accuracy and relevance. * Integrate AI models with enterprise systems, APIs, and data stores using Python, Java, or Node.js backends.
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        Location:Birmingham : 1 Trinity Park : Bi Position Category:Information Technology Position Type:Employee Regular * Platform Maintenance ensure the configuration, optimisation, and administration of the platforms are kept up to date with the latest service packs, ensuring they are tested and signed off, exploiting enhancements where possible. Making sure the platforms are safe and secure. * Development Scope requirements, implement and enforce best practices aligned with the Agile framework to create new service areas, and configure workflows and automation rules for process efficiencies. * Incident and Problem Management Implement and monitor robust incident and problem management practices, ensuring our teams have an effective response to cyber security issues, and minimising service disruptions.
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        PHP Engineering Lead Working Hours: Full time Job Type: Permanent Permanent Salary: £110,000 (negotiable dependent on experience) Location: Hybrid: minimum 2 days per week at our clients Elstree / Kings Cross offices Our client is a forward-thinking technology organisation reshaping how creative products are produced and delivered. Their platform connects a global network of industry partners while empowering independent artists with scalable, accessible tools. As demand grows, the company is rapidly expanding its platform and infrastructure to support increasing global scale. Our client is seeking a PHP Engineering Lead to balance approximately 50% hands-on engineering with 50% leadership, architecture, and team development. This role requires someone who can bring structure, clarity, and technical direction to a growing engineering function.
        PHP Engineering Lead Working Hours: Full time Job Type: Permanent Permanent Salary: £110,000 (negotiable dependent on experience) Location: Hybrid: minimum 2 days per week at our clients Elstree / Kings Cross offices Our client is a forward-thinking technology organisation reshaping how creative products are produced and delivered. Their platform connects a global network of industry partners while empowering independent artists with scalable, accessible tools. As demand grows, the company is rapidly expanding its platform and infrastructure to support increasing global scale. Our client is seeking a PHP Engineering Lead to balance approximately 50% hands-on engineering with 50% leadership, architecture, and team development. This role requires someone who can bring structure, clarity, and technical direction to a growing engineering function.
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        Senior Software Engineer Full Stack

        TPXImpact Holdings Plc
        Manchester, Greater Manchester, M2 1DH
        From £50,000 to £60,000 per annum + Excellent Benefits
        About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities * Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. * Contribute to software architecture decisions, ensuring alignment with project and business goals. * Mentor and support junior engineers, helping to develop their skills and promote best practices.
        About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities * Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. * Contribute to software architecture decisions, ensuring alignment with project and business goals. * Mentor and support junior engineers, helping to develop their skills and promote best practices.
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        GenAI Full Stack Engineer - Consultant / Senior Consultant

        83zero Limited
        City of London (EC1)
        £45000 - £70000 per annum + Bonus, Pension, Private Health, Perks
        Salary: £45,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid / 2 x days per week - Travel to client site Base Locations: London, Manchester, Newcastle, Glasgow We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical solutions and competitive propositions that are scalable, secure, and sustainable. * Collaborate with the team to develop GenAI proof-of-concepts (POCs) for clients using technologies like Retrieval-Augmented Generation (RAG) and intelligent agents. * Scale existing POCs to production-ready solutions for customer use.
        Salary: £45,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid / 2 x days per week - Travel to client site Base Locations: London, Manchester, Newcastle, Glasgow We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical solutions and competitive propositions that are scalable, secure, and sustainable. * Collaborate with the team to develop GenAI proof-of-concepts (POCs) for clients using technologies like Retrieval-Augmented Generation (RAG) and intelligent agents. * Scale existing POCs to production-ready solutions for customer use.
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        Lead Software Engineer

        Department for Work and Pensions (DWP)
        Walker's Hill, Blackpool (FY4), FY4 5ES
        From £75,026 to £92,522 per annum + pension worth over £21,735
        Digital with Purpose. This is a great opportunity to join our community of experts at DWP Digital as a Lead Software Engineer. DWP is the UK's largest government department. We offer support and services to over 20 million daily users, and make payments worth over £195bn a year. Our Lead Software Engineers are experts in their field, role models in software craft and have proven experience in the design, development, and support of software products. * Technical Leadership:Define and champion engineering standards, ensuring consistent adoption across teams to deliver robust, scalable, and secure software. * Frameworks & Tools:Lead the design and implementation of frameworks, tools, and processes that enable responsible development, deployment, and monitoring of digital services.
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        Are you a pragmatic, innovative, and self-motivated problem solver with a passion for building scalable, high-performing software? We're looking for aSenior Full Stack Engineerto join a high-performing product team working on a global, high-traffic eCommerce platform handling thousands of transactions daily. You'll play a key role in designing and developing end-to-end solutions, collaborating closely with both technical and business teams to deliver new features that drive growth and enhance the customer experience. What You'll Do * Build and maintain robust, scalable applications across the full stack * Collaborate in an agile team environment to deliver clean, maintainable, and testable code * Influence architectural decisions and technology choices * Optimise Front End and Back End performance to ensure fast, seamless user experiences
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        Full Stack Developer

        Gazelle Global Consulting Ltd
        Manchester (M1)
        Up to £400 per day
        Manchester based consultancy/end client hiring a Full Stack Engineer This is a business facing role delivering new solutions across Finance, Wealth or Asset Management. You will work end to end from requirements and build through testing, UAT and production support. Tech stack Angular 12+ (enterprise scale) Java 8+, Spring Boot, REST APIs AWS serverless: Lambda, Step Functions, S3, DynamoDB TDD, unit testing with Jest/Jasmine End to end testing with Playwright They are looking for someone who writes clean code, follows standards, works well across teams and has a strong DevOps and Agile mindset.
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        Principal Software Engineer

        TPXImpact Holdings Plc
        Cardiff, South Glamorgan, CF24 0EB
        From £70,000 to £88,000 per annum
        About The Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make a difference to users and organisations. We believe great engineering happens when teams collaborate, learn, and build with purpose. Youll provide hands-on technical leadership, working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. Responsibilities * Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability.
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        Lead Software Engineer

        TPXImpact Holdings Plc
        Manchester, Greater Manchester, M2 1DH
        From £60,000 to £75,000 per annum + Excellent Benefits
        About The Role Job Level: 10 UK Wide We are looking for aLead Software Engineerwho will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible for driving culture through your craft and be keen to take on line management responsibilities. Responsibilities * Lead the architecture, design, and development of complex software systems, ensuring they meet high standards of quality, security, and scalability.
        About The Role Job Level: 10 UK Wide We are looking for aLead Software Engineerwho will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible for driving culture through your craft and be keen to take on line management responsibilities. Responsibilities * Lead the architecture, design, and development of complex software systems, ensuring they meet high standards of quality, security, and scalability.
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        PERL Software Developer

        Certain Advantage
        Stevenage, Hertfordshire, SG1 2DA
        £77 - £84 per hour, Benefits Overtime Rate
        World Class Defence Organisation is currently looking to recruit a remote PERL Software Engineer subcontractor on an initial 6 month contract. Job Title: PERL Software Engineer Rate:£77 - £84 per hour Location: Stevenage Hybrid / Remote working: This role is a remote based role with just 1 visit to the Stevenage site per month. Contract:37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at time and a quarter Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) The Software department are looking for a software developer with experience in the PERL programming language. We require someone who can create and update text-based templates used in Technical Publications authoring and publishing tasks.
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        FEATURED
        Principal Software Engineer Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63.83 p/h PAYE (£73.11 inc. holiday rate) OR £87.04 p/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Role Overview An experienced Principal Software Engineer is required to join a well-established Test Engineering community, supporting advanced defence and aerospace programmes. The role focuses on developing software solutions for complex test systems used in cutting-edge radar and aerospace platforms. The successful candidate will play a key technical leadership role, contributing to the design, development, and delivery of high-quality test software while working closely with multi-disciplinary engineering teams and stakeholders.
        Principal Software Engineer Location: Edinburgh, United Kingdom Contract Duration: 12 months Rate: £63.83 p/h PAYE (£73.11 inc. holiday rate) OR £87.04 p/h Umbrella We seek an engineer with recent high-integrity or safety-critical industry experience (defence, aerospace, or similar), or eligible for UK security clearance. Role Overview An experienced Principal Software Engineer is required to join a well-established Test Engineering community, supporting advanced defence and aerospace programmes. The role focuses on developing software solutions for complex test systems used in cutting-edge radar and aerospace platforms. The successful candidate will play a key technical leadership role, contributing to the design, development, and delivery of high-quality test software while working closely with multi-disciplinary engineering teams and stakeholders.
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        UK Remote 6 Month Contract A fantastic contract role has opened up for a highly skilled Backend Software Engineer with strong expertise in Go. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative approach to distributed systems. In this position, the Backend Software Engineer will play a central role in building and scaling mission-critical, data-heavy applications. You'll be involved across the full engineering lifecycle - from system design through to development and delivery - taking ownership of solutions that drive real impact. Working closely with an Engineering Manager and collaborating with cross-functional teams, the Backend Software Engineer will help shape and implement microservices-based architectures, while making use of modern technologies such as AWS, Kubernetes, Docker, and Kafka.
        UK Remote 6 Month Contract A fantastic contract role has opened up for a highly skilled Backend Software Engineer with strong expertise in Go. This is an exciting chance to join a leading technology company known for its high engineering standards and innovative approach to distributed systems. In this position, the Backend Software Engineer will play a central role in building and scaling mission-critical, data-heavy applications. You'll be involved across the full engineering lifecycle - from system design through to development and delivery - taking ownership of solutions that drive real impact. Working closely with an Engineering Manager and collaborating with cross-functional teams, the Backend Software Engineer will help shape and implement microservices-based architectures, while making use of modern technologies such as AWS, Kubernetes, Docker, and Kafka.
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        What is the average salary for API in Sheffield?

        Average salary per year
        £52,499

        The average salary for a API in Sheffield is £52,499. API in Sheffield salaries range from £42,499 to £52,499.

        Frequently Asked Questions

        How many part time API jobs are there in Sheffield?
        There are 0 part time API jobs within 20 miles of Sheffield available on Jobsite right now.

        What other similar jobs are there to part time API jobs in Sheffield?
        As well as part time API jobs in Sheffield, you can find part time IT, Software Development, Project Management, amongst many others.