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        4 Contract API jobs in Leeds + 20 miles

        QA QC Engineer (Nights)

        Russell Taylor Group Ltd
        Wakefield, West Yorkshire
        £440 - £450 per day
        Do you hold a CSWIP and 5+ year experience in QAQC roles? Are you available to for the full month duration of the contract starting 9th April? Do you have knowledge of industrial boilers / pressure vessels within manufacturing or power generation maintenance. Rate is ALL IN nights 6pm-6am 12 hour shifts Our client are looking for an experienced QA QC Engineer who will be responsible for carrying out inspection and quality surveillance activities for the manufacturing, installation, and repair of pressure parts. The role focuses on ensuring all pressure boundary works are completed in accordance with project specifications, approved procedures, and applicable codes and standards. Perform inspections of boiler pressure parts including membrane walls, superheaters, economisers, headers, drums, and associated pipework.
        Do you hold a CSWIP and 5+ year experience in QAQC roles? Are you available to for the full month duration of the contract starting 9th April? Do you have knowledge of industrial boilers / pressure vessels within manufacturing or power generation maintenance. Rate is ALL IN nights 6pm-6am 12 hour shifts Our client are looking for an experienced QA QC Engineer who will be responsible for carrying out inspection and quality surveillance activities for the manufacturing, installation, and repair of pressure parts. The role focuses on ensuring all pressure boundary works are completed in accordance with project specifications, approved procedures, and applicable codes and standards. Perform inspections of boiler pressure parts including membrane walls, superheaters, economisers, headers, drums, and associated pipework.
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        QA QC Engineer

        Russell Taylor Group Ltd
        Wakefield, West Yorkshire
        £440 - £450 per annum, Benefits outside IR35
        Do you hold a CSWIP and 5+ year experience in QAQC roles? Are you available to for the full month duration of the contract starting 9th April? Doyouhaveknowledgeofindustrialboilers/pressurevesselswithinmanufacturing/maintenanceexperience? 12hourshifts Our client are looking for an experienced QA QC Engineer who will be responsible for carrying out inspection and quality surveillance activities for the manufacturing, installation, and repair of pressure parts. The role focuses on ensuring all pressure boundary works are completed in accordance with project specifications, approved procedures, and applicable codes and standards. Perform inspections of boiler pressure parts including membrane walls, superheaters, economisers, headers, drums, and associated pipework.
        Do you hold a CSWIP and 5+ year experience in QAQC roles? Are you available to for the full month duration of the contract starting 9th April? Doyouhaveknowledgeofindustrialboilers/pressurevesselswithinmanufacturing/maintenanceexperience? 12hourshifts Our client are looking for an experienced QA QC Engineer who will be responsible for carrying out inspection and quality surveillance activities for the manufacturing, installation, and repair of pressure parts. The role focuses on ensuring all pressure boundary works are completed in accordance with project specifications, approved procedures, and applicable codes and standards. Perform inspections of boiler pressure parts including membrane walls, superheaters, economisers, headers, drums, and associated pipework.
        more

        Starburst Developer

        Stackstudio Digital Ltd.
        Leeds, West Yorkshire
        From £450 to £500 per day
        Role/Job title: Starburst Developer Work Location: London (2 days in a week MUFG Client Office) The Role Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
        Role/Job title: Starburst Developer Work Location: London (2 days in a week MUFG Client Office) The Role Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
        more

        Senior / Mid Level Software Developers

        James and James Fulfilment
        Leeds, West Yorkshire
        £50,000 - £70,000 a year
        Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
        Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
        more

        17 exact matches jobs are outside your preferred location

        Role Title: API Security Architect Location: Knutsford/ Hybrid Duration: 30/11/202 "We are looking for an API Security Architect to define, design, and oversee the implementation of enterprise-grade API security architecture. The role ensures APIs are built securely, follow best-practice standards, and align with organisational security and compliance requirements. Key Responsibilities * Design end-to-end API security architecture across cloud and on-premise environments. * Define API security standards covering authentication, authorization, encryption, and threat protection. * Lead architectural reviews, threat modelling, and risk assessments for API integrations. * Select, architect, and optimize API gateways, WAFs, and security controls. * Provide security governance for API development, lifecycle management, and CI/CD practices.
        Role Title: API Security Architect Location: Knutsford/ Hybrid Duration: 30/11/202 "We are looking for an API Security Architect to define, design, and oversee the implementation of enterprise-grade API security architecture. The role ensures APIs are built securely, follow best-practice standards, and align with organisational security and compliance requirements. Key Responsibilities * Design end-to-end API security architecture across cloud and on-premise environments. * Define API security standards covering authentication, authorization, encryption, and threat protection. * Lead architectural reviews, threat modelling, and risk assessments for API integrations. * Select, architect, and optimize API gateways, WAFs, and security controls. * Provide security governance for API development, lifecycle management, and CI/CD practices.
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        PLM Architecture Professional

        Morson Edge
        Warton, Preston (PR4), PR4 1AX
        £53.73 - 72.54 per hour + Inside IR35
        Location: Warton, 2 or 3 days on site per week Contract: 9 months Security Clearence: Full UK SC required Rate: £53.73 p/h PAYE (£61.54 p/h inc. holiday rate) OR £72.54 p/h Umbrella Inside IR35 Air Engineering is 4 years into a Digital Engineering Programme (DEP) which will radically transform and align how Engineering is carried out across Air. To do this the DEP requires knowledge and expertise in new and developing areas of Engineering, which are not available (or accessible) to the programme. The Project management of these Engineering capabilities must be done using Siemens Toolsets and knowledge of the Siemens suite of PM tools is essential. As Siemens delivery team are primarily Indian based good communication skills in Hindi are critical at this stage of delivery.
        Location: Warton, 2 or 3 days on site per week Contract: 9 months Security Clearence: Full UK SC required Rate: £53.73 p/h PAYE (£61.54 p/h inc. holiday rate) OR £72.54 p/h Umbrella Inside IR35 Air Engineering is 4 years into a Digital Engineering Programme (DEP) which will radically transform and align how Engineering is carried out across Air. To do this the DEP requires knowledge and expertise in new and developing areas of Engineering, which are not available (or accessible) to the programme. The Project management of these Engineering capabilities must be done using Siemens Toolsets and knowledge of the Siemens suite of PM tools is essential. As Siemens delivery team are primarily Indian based good communication skills in Hindi are critical at this stage of delivery.
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        PREMIUM
        Job Title: Implementation Specialist E-Invoicing Location: London- 1 day Job Type: 6 months- Inside IR35 Role overview Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
        Job Title: Implementation Specialist E-Invoicing Location: London- 1 day Job Type: 6 months- Inside IR35 Role overview Are you looking for a role that will use your problem-solving skills, technical interests, and client communication skills to their full potential? We are seeking Implementation Specialists to join our e-invoicing Professional Services team and lead the technical implementation of our e-invoicing platform with global clients. This is the perfect role for a well-organised, collaborative, and analytical person who wants to grow their career within the software implementation space and work with a varied portfolio of multinational clients. You'll use your technical aptitude, excellent communication skills, and problem-solving abilities to tackle client configuration challenges and ensure the highest level of service.
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        Derbyshire | Hybrid c£75,000 Fixed Term Contract | for 6 months 3 days a week - Part time This is a hands-on consultancy role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administer and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms * Deliver targeted training and documentation to upskill internal teams for long-term ownership
        Derbyshire | Hybrid c£75,000 Fixed Term Contract | for 6 months 3 days a week - Part time This is a hands-on consultancy role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administer and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms * Deliver targeted training and documentation to upskill internal teams for long-term ownership
        more
        FEATURED

        Starburst Developer

        Stackstudio Digital Ltd.
        Manchester, Greater Manchester
        From £450 to £500 per day
        Role/Job title: Starburst Developer Work Location: London (2 days in a week MUFG Client Office) The Role Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
        Role/Job title: Starburst Developer Work Location: London (2 days in a week MUFG Client Office) The Role Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor data pipelines and troubleshoot issues proactively. Collaborate with business users and stakeholders on data requirements. Maintain comprehensive and up-to-date documentation for data processes. Stay current with data engineering advancements and propose innovative solutions. Implement best practices for data quality assurance and testing. Your Profile Essential skills/knowledge/experience: (Up to 10, Avoid repetition)
        more

        Data Platform Engineer

        Morson Edge
        Warton, Preston (PR4), PR4 1AX
        £64 - 74 per hour
        As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on premises platforms. You will play a key role in ensuring that all data systems comply with industry regulations and security standards while enabling efficient access for analytics and operational teams. A strong command of Apache NiFi is essential for this role. You will design, implement, and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies.
        As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on premises platforms. You will play a key role in ensuring that all data systems comply with industry regulations and security standards while enabling efficient access for analytics and operational teams. A strong command of Apache NiFi is essential for this role. You will design, implement, and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies.
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        PREMIUM
        Role:Mobile Backend Developer - Kotlin and java Duration: 6 Months Location:Manchester, UK (3 days Hybrid) The Role Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance.
        Role:Mobile Backend Developer - Kotlin and java Duration: 6 Months Location:Manchester, UK (3 days Hybrid) The Role Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance.
        more
        About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Automation Tester to step in and take full ownership of our quality assurance infrastructure. You will not just be writing test scripts; you will be driving the testing architecture, making critical technical decisions, and leading the implementation of our automation capabilities from the ground up. The Mission You will be architecting robust automation frameworks designed to ensure the quality and reliability of high-impact, real-world logistics applications.
        About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Automation Tester to step in and take full ownership of our quality assurance infrastructure. You will not just be writing test scripts; you will be driving the testing architecture, making critical technical decisions, and leading the implementation of our automation capabilities from the ground up. The Mission You will be architecting robust automation frameworks designed to ensure the quality and reliability of high-impact, real-world logistics applications.
        more

        Senior / Mid Level Software Developers

        James and James Fulfilment
        Manchester, Greater Manchester
        £50,000 - £70,000 a year
        Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
        Fresh off our merger into the QLS Group, J&J Global is now the largest independent ecommerce fulfilment provider in Europe. But were just getting started. Were looking for Senior and Mid-Level Developers to join a newly formed team focused on evolving our proprietary fulfilment platform. If youre looking to own your work and solve complex problems in real-time logistics - from intelligent inventory to seamless global returns - we want to hear from you. What youll be doing * You will develop, maintain and enhance the core components of our fulfilment software. * Developing and scaling the backend services and APIs that drive our order processing, inventory, and warehouse workflows * Building sleek, responsive UIs that help our internal operations teams and external partners move faster and smarter
        more
        Job Description Manchester (3 Days Office / 2 Days WFH) Salary: Excellent + Benefits Mediablanket is one of the UKs fastest-growing fintech groups, expanding rapidly into new territories and sectors. We build high-performance platforms across finance, telecoms, gaming, and data and were now looking for a strong Senior Laravel Developer to join our engineering team at a pivotal stage of growth. This is a role for someone who takes ownership, cares about clean architecture, and wants to help shape real products used by thousands of customers daily. What Youll Be Doing * Leading backend development across multiple products using Laravel * Designing, building, and maintaining complex APIs, microservices, and integrations * Working closely with the CTO to plan and architect new features and systems * Owning database structures, optimisation, and performance tuning
        Job Description Manchester (3 Days Office / 2 Days WFH) Salary: Excellent + Benefits Mediablanket is one of the UKs fastest-growing fintech groups, expanding rapidly into new territories and sectors. We build high-performance platforms across finance, telecoms, gaming, and data and were now looking for a strong Senior Laravel Developer to join our engineering team at a pivotal stage of growth. This is a role for someone who takes ownership, cares about clean architecture, and wants to help shape real products used by thousands of customers daily. What Youll Be Doing * Leading backend development across multiple products using Laravel * Designing, building, and maintaining complex APIs, microservices, and integrations * Working closely with the CTO to plan and architect new features and systems * Owning database structures, optimisation, and performance tuning
        more
        About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Python Developer to step in and take full ownership of our AI initiatives. You will not just be writing code; you will be driving the architecture, making critical technical decisions, and leading the implementation of our AI capabilities from the ground up. The Mission You will be architecting autonomous agents designed to solve high-impact, real-world challenges across our logistics network. Expect to tackle complex, reasoning-driven problems involving dynamic logistical optimization, intelligent operational automation, and advanced customer-facing solutions.
        About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Python Developer to step in and take full ownership of our AI initiatives. You will not just be writing code; you will be driving the architecture, making critical technical decisions, and leading the implementation of our AI capabilities from the ground up. The Mission You will be architecting autonomous agents designed to solve high-impact, real-world challenges across our logistics network. Expect to tackle complex, reasoning-driven problems involving dynamic logistical optimization, intelligent operational automation, and advanced customer-facing solutions.
        more
        About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Laravel Developer to step in and take full ownership of our backend infrastructure. You will not just be writing code; you will be driving the architecture, making critical technical decisions, and leading the implementation of our backend capabilities from the ground up. The Mission You will be architecting high-performance, scalable backend systems designed to solve high-impact, real-world challenges across our logistics network. Expect to tackle complex problems involving high-traffic transaction systems, deep database optimization, and robust API development to power our core operations.
        About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Laravel Developer to step in and take full ownership of our backend infrastructure. You will not just be writing code; you will be driving the architecture, making critical technical decisions, and leading the implementation of our backend capabilities from the ground up. The Mission You will be architecting high-performance, scalable backend systems designed to solve high-impact, real-world challenges across our logistics network. Expect to tackle complex problems involving high-traffic transaction systems, deep database optimization, and robust API development to power our core operations.
        more
        Job Title:Mavenir Techno-Functional Oracle R12 resource Location: Remote Job Type: 3 months- Outside IR35 Role overview Mavenir Techno-Functional Oracle R12 resource Key Responsibilities * Assess current state: Review existing bank integrations leveraging Talend/Oracle EBS integration and define reusable patterns for new bank integration. * Build & configure: Develop/modify Bank integration jobs and required Oracle EBS R12 configurations to enable banking interfaces. * Connectivity validation: Coordinate onboarding and validate connectivity for ~70 Banks accounts (credentials/certs, access, file exchange/tests). * Set up in GL & Cash management the appropriate modules for each account based on account activities (AR/AP/IC ). * Testing & go-live: Run SIT/UAT support, reconciliation checks, cutover planning, and hypercare.
        Job Title:Mavenir Techno-Functional Oracle R12 resource Location: Remote Job Type: 3 months- Outside IR35 Role overview Mavenir Techno-Functional Oracle R12 resource Key Responsibilities * Assess current state: Review existing bank integrations leveraging Talend/Oracle EBS integration and define reusable patterns for new bank integration. * Build & configure: Develop/modify Bank integration jobs and required Oracle EBS R12 configurations to enable banking interfaces. * Connectivity validation: Coordinate onboarding and validate connectivity for ~70 Banks accounts (credentials/certs, access, file exchange/tests). * Set up in GL & Cash management the appropriate modules for each account based on account activities (AR/AP/IC ). * Testing & go-live: Run SIT/UAT support, reconciliation checks, cutover planning, and hypercare.
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        Job Title: Principal Consultant Service Now Tech Lead Job Type: Contract (Inside IR35) Duration: 6 months Work model: Remote In this role, you will be the technical owner and manage a team of developers, assign their tasks and provide technical guidance as needed. Responsibilities * You are the technical owner and manage a team of developers, assign their tasks and provide technical guidance as needed. * Mentor and lead a team of developers. * Participate in requirement discovery with clients, design and develop solutions for the ServiceNow platform, ranging from current feature enhancements and bug fixes to full application suite deployment. * Carry out agile sprint-defined development tasks to support release cycles, including execution of development, unit testing, functional testing, and overall peer review of team member work.
        Job Title: Principal Consultant Service Now Tech Lead Job Type: Contract (Inside IR35) Duration: 6 months Work model: Remote In this role, you will be the technical owner and manage a team of developers, assign their tasks and provide technical guidance as needed. Responsibilities * You are the technical owner and manage a team of developers, assign their tasks and provide technical guidance as needed. * Mentor and lead a team of developers. * Participate in requirement discovery with clients, design and develop solutions for the ServiceNow platform, ranging from current feature enhancements and bug fixes to full application suite deployment. * Carry out agile sprint-defined development tasks to support release cycles, including execution of development, unit testing, functional testing, and overall peer review of team member work.
        more

        Data Scientist

        Stackstudio Digital Ltd.
        UK
        From £350 to £400 per day
        Role Details Role/Job Title: Data Scientist Work Location: Grange Castle Business Park, Dublin, Ireland Mode of Working: Office based The Role Your Responsibilities (Up to 10, Avoid repetition) Optimization Modeling * Proficiency with Gurobi Optimization Solver * Experience with Gurobi Python API (gurobipy) * Ability to formulate and solve linear, integer and mixed integer programming problems * Experience with model robustness and model debugging Programming and Data Handling * Ability to code in Python * Proficiency in SQL for querying and managing input data * Data pre-preparation skills (experience with pandas, numpy) * Ability to work in a fact paced agile team environment * Preparing and conducting UAT, Change management, Validation Documentation, User training Your Profile Essential Skills / Knowledge / Experience
        Role Details Role/Job Title: Data Scientist Work Location: Grange Castle Business Park, Dublin, Ireland Mode of Working: Office based The Role Your Responsibilities (Up to 10, Avoid repetition) Optimization Modeling * Proficiency with Gurobi Optimization Solver * Experience with Gurobi Python API (gurobipy) * Ability to formulate and solve linear, integer and mixed integer programming problems * Experience with model robustness and model debugging Programming and Data Handling * Ability to code in Python * Proficiency in SQL for querying and managing input data * Data pre-preparation skills (experience with pandas, numpy) * Ability to work in a fact paced agile team environment * Preparing and conducting UAT, Change management, Validation Documentation, User training Your Profile Essential Skills / Knowledge / Experience
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        Contract Description Who are we? Billigence is a boutique data consultancy with global outreach & clientele, transforming the way organizations work with data. We leverage proven, cutting-edge technologies to design, tailor, and implement advanced Business Intelligence solutions with high added value across a wide range of applications from process digitization through to Cloud Data Warehousing, Visualisation, Data Science and Engineering, or Data Governance. Headquartered in Sydney, Australia with offices around the world, we help clients navigate difficult business conditions, remove inefficiencies, and enable scalable adoption of analytics culture.
        Contract Description Who are we? Billigence is a boutique data consultancy with global outreach & clientele, transforming the way organizations work with data. We leverage proven, cutting-edge technologies to design, tailor, and implement advanced Business Intelligence solutions with high added value across a wide range of applications from process digitization through to Cloud Data Warehousing, Visualisation, Data Science and Engineering, or Data Governance. Headquartered in Sydney, Australia with offices around the world, we help clients navigate difficult business conditions, remove inefficiencies, and enable scalable adoption of analytics culture.
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        Role & Responsibilities Role Overview As a Senior Backend Engineer at Grabyo, you will have significant exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like live transcoding or automated closed captioning. Other days, you will be key in architecting our platform to improve our path to a scalable, microservices-based platform. Java, Spring, Go, serverless architectures, microservices, auto-scaling and auto-recovery, AWS SAM, ECS Fargate, DynamoDB, media processing, Terraform these are a few of the state-of-the-art techs you will be working with.
        Role & Responsibilities Role Overview As a Senior Backend Engineer at Grabyo, you will have significant exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like live transcoding or automated closed captioning. Other days, you will be key in architecting our platform to improve our path to a scalable, microservices-based platform. Java, Spring, Go, serverless architectures, microservices, auto-scaling and auto-recovery, AWS SAM, ECS Fargate, DynamoDB, media processing, Terraform these are a few of the state-of-the-art techs you will be working with.
        more

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        Senior Fullstack Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer * Fully remote within the UK * Salary up to £80,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact
        Senior Fullstack Software Engineer UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the countrys most vulnerable people including survivors of domestic abuse, refugees, and individuals seeking asylum. Their mission is to create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineerto take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin essential frontline services. Whats on Offer * Fully remote within the UK * Salary up to £80,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact
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        Senior Python Engineer (£100k + benefits)

        Morson Edge
        City Centre, Manchester (M2), M1
        £80k - 100k per year + benefits
        Great opportunity for Senior Python Engineers to work remotely for a UK based AI scale-up. You'd join a large engineering department and would work within a cross functional product-based team responsible for building cloud-native, event-driven systems in a collaborative DevOps environment. The teams are responsible for all aspects of the product they work on, from design through to development, testing, deployment and supporting systems in production, so you should expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. * Python * GCP, AWS * Kubernetes, Docker, ECS * FastAPI, Django * PostgreSQL, MongoDB * Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share options and private healthcare.
        Great opportunity for Senior Python Engineers to work remotely for a UK based AI scale-up. You'd join a large engineering department and would work within a cross functional product-based team responsible for building cloud-native, event-driven systems in a collaborative DevOps environment. The teams are responsible for all aspects of the product they work on, from design through to development, testing, deployment and supporting systems in production, so you should expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. * Python * GCP, AWS * Kubernetes, Docker, ECS * FastAPI, Django * PostgreSQL, MongoDB * Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share options and private healthcare.
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        What is the average salary for API in Leeds?

        Average salary per year
        £47,499

        The average salary for a API in Leeds is £47,499. API in Leeds salaries range from £37,499 to £57,499.

        Frequently Asked Questions

        How many contract API jobs are there in Leeds?
        There are 4 contract API jobs within 20 miles of Leeds available on Jobsite right now.

        What other similar jobs are there to contract API jobs in Leeds?
        As well as contract API jobs in Leeds, you can find contract IT, Software Development, Architecture, amongst many others.