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        5 Contract API jobs in Leeds + 20 miles

        Senior Digital Java Developer

        Qualserv Consulting
        LS1, Leeds
        From £650 to £700 per day
        Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use.
        Experience of building useful, robust automated test suite to support a continuous deployment environment, implementing API's for internal and external use.
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        Mid-Senior PHP Developer

        Searchability (UK) Ltd
        BD1, Bradford
        £30000 - £45000 per annum
        PHP Developer * Join a growing, values driven agency in a position! * Fulltime onsite in Bradford, long term hybrid working available * Up to £45k, 35 hour working week, flexible start and finish, regular pay reviews, social events and much more! My client is a growing, values driven agency based in West Yorkshire. Currently 20 people strong, they boost an impression client rooster and have created a close-knit working environment. The founder is passionate about working on value lead projects, they will not take on anything that compromises their strict code of ethics, and as such have great satisfaction from the work that they do. The team is friendly, and ambitious. Micromanagement isn't welcome here, and everyone is rewarded on merit, with regular pay reviews, every 6 months or so. This is a technical key hire for them and will help to cement their excellent reput
        PHP Developer * Join a growing, values driven agency in a position! * Fulltime onsite in Bradford, long term hybrid working available * Up to £45k, 35 hour working week, flexible start and finish, regular pay reviews, social events and much more! My client is a growing, values driven agency based in West Yorkshire. Currently 20 people strong, they boost an impression client rooster and have created a close-knit working environment. The founder is passionate about working on value lead projects, they will not take on anything that compromises their strict code of ethics, and as such have great satisfaction from the work that they do. The team is friendly, and ambitious. Micromanagement isn't welcome here, and everyone is rewarded on merit, with regular pay reviews, every 6 months or so. This is a technical key hire for them and will help to cement their excellent reput
        more
        FEATURED
        Contract Opportunity: Salesforce Administrator / Developer Outside IR35 | On-site 5 days per week - An established business is seeking an experienced Salesforce Administrator/Developer for the next phase of its Salesforce journey. The first part of the platform has been built the focus now is working directly with one of the business owners to integrate Salesforce across additional areas of the organisation and take the system to the next level, ensuring maximum value is delivered. * Enhance and expand existing Salesforce functionality. * Design, build, and optimise solutions using Apex, Visualforce, Lightning Components, and Flows. * Integrate Salesforce with third-party applications and internal systems (REST/SOAP APIs, middleware). * Maintain and improve workflows, processes, and data integrity. * Ensure security and compliance best practices are applied.
        Contract Opportunity: Salesforce Administrator / Developer Outside IR35 | On-site 5 days per week - An established business is seeking an experienced Salesforce Administrator/Developer for the next phase of its Salesforce journey. The first part of the platform has been built the focus now is working directly with one of the business owners to integrate Salesforce across additional areas of the organisation and take the system to the next level, ensuring maximum value is delivered. * Enhance and expand existing Salesforce functionality. * Design, build, and optimise solutions using Apex, Visualforce, Lightning Components, and Flows. * Integrate Salesforce with third-party applications and internal systems (REST/SOAP APIs, middleware). * Maintain and improve workflows, processes, and data integrity. * Ensure security and compliance best practices are applied.
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        Senior Software Engineer

        Oscar Associates (UK) Limited
        LS1, Leeds
        £55000 - £65000 per annum
        We're currently working with a growing SaaS company based in Leeds that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a lead Engineer position as the team grows. You will be working to develop and build their new payroll project, which will be rolling out nationally, and then internationally. This role is based in Leeds, and it will require you to be onsite a minimum of two days per week. * Professional software engineering experience (typically 5+ years) using C# / ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). * Significant understanding and practical experience with relational databases (MySQL /PostgreSQL preferred). * Expertise in version control systems (Git) and branching strategies (Gitflow).
        We're currently working with a growing SaaS company based in Leeds that are looking for a Senior Software Engineer skilled with C# ASP.NET, Angular, and SQL. This role will naturally grow in to a lead Engineer position as the team grows. You will be working to develop and build their new payroll project, which will be rolling out nationally, and then internationally. This role is based in Leeds, and it will require you to be onsite a minimum of two days per week. * Professional software engineering experience (typically 5+ years) using C# / ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+). * Significant understanding and practical experience with relational databases (MySQL /PostgreSQL preferred). * Expertise in version control systems (Git) and branching strategies (Gitflow).
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        FEATURED
        Job Title: Application Engineer (D365 F&O) Location: Leeds (Hybrid - 3 days on site) Salary: £60,000 per annum + benefits - Are you an experienced D365 F&O Application Engineer who enjoys turning business problems into working solutions? Do you have hands-on experience in logistics or manufacturing and the ability to explain technical issues clearly to non-technical stakeholders? If so, we want to hear from you. The role - You will own the day-to-day configuration, support and continuous improvement of Dynamics 365 Finance & Operations across the business. Working closely with business users, IT and third-party vendors you will translate requirements into functional solutions, lead testing and change activity, and ensure the platform drives efficient, scalable processes. This is a hybrid role based in Leeds, with an expectation to be on site three days per week to lea
        Job Title: Application Engineer (D365 F&O) Location: Leeds (Hybrid - 3 days on site) Salary: £60,000 per annum + benefits - Are you an experienced D365 F&O Application Engineer who enjoys turning business problems into working solutions? Do you have hands-on experience in logistics or manufacturing and the ability to explain technical issues clearly to non-technical stakeholders? If so, we want to hear from you. The role - You will own the day-to-day configuration, support and continuous improvement of Dynamics 365 Finance & Operations across the business. Working closely with business users, IT and third-party vendors you will translate requirements into functional solutions, lead testing and change activity, and ensure the platform drives efficient, scalable processes. This is a hybrid role based in Leeds, with an expectation to be on site three days per week to lea
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        31 exact matches jobs are outside your preferred location

        Contract Backend Engineer

        BIOMETRIC TALENT
        M3, Manchester
        £400 per day £400 per day Outside IR35 - Fully Remote role
        API Development: Develop and optimize APIs and tools to ensure seamless interaction between our platform and customer systems. * Proficiency in unit, integration, and API testing using Jest. * AWS Services: Lambda, SQS, S3, Cognito, EventBridge, CloudFormation, Fargate, SES, CodeBuild, CodePipeline, CloudFront, API Gateway, and more.
        API Development: Develop and optimize APIs and tools to ensure seamless interaction between our platform and customer systems. * Proficiency in unit, integration, and API testing using Jest. * AWS Services: Lambda, SQS, S3, Cognito, EventBridge, CloudFormation, Fargate, SES, CodeBuild, CodePipeline, CloudFront, API Gateway, and more.
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        Technical Product Owner

        Anson Mccade
        WA16, Knutsford, WA16 8TH
        GBP 70,000.00 - 85,000.00 per year;GBP 70,000.00 per year;GBP 85,000.0
        If you're passionate about API strategy, product development, and driving resilience across software systems, this role will put you right at the centre of meaningful change. * Strong understanding of API product strategy, backlog management, and developer experience (DX).
        If you're passionate about API strategy, product development, and driving resilience across software systems, this role will put you right at the centre of meaningful change. * Strong understanding of API product strategy, backlog management, and developer experience (DX).
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        PREMIUM
        Job Title: Observability & Telemetry Engineer- Knutsford- 6 Months- £350 Per Day- Inside IR35 We're looking for a skilled Observability and Telemetry Engineer to support EaaS evolution efforts. You'll be instrumental in enhancing system monitoring and performance analysis. * Proficiency in PHP or Python * Solid understanding of Oracle and relational databases * Comfortable with both Linux and Windows environments * Hands-on experience with monitoring tools (e.g., AppDynamics, ITRS, Elastic APM, Grafana) * Experience with Angular, NodeJS * Knowledge of APIs, ETL processes, and scripting * Familiarity with Openshift, Docker, Kubernetes, and cloud technologies (IaaS, PaaS, SaaS) Start Date: ASAP Please apply promptly if you are interested as interviews will be commencing soon.
        Job Title: Observability & Telemetry Engineer- Knutsford- 6 Months- £350 Per Day- Inside IR35 We're looking for a skilled Observability and Telemetry Engineer to support EaaS evolution efforts. You'll be instrumental in enhancing system monitoring and performance analysis. * Proficiency in PHP or Python * Solid understanding of Oracle and relational databases * Comfortable with both Linux and Windows environments * Hands-on experience with monitoring tools (e.g., AppDynamics, ITRS, Elastic APM, Grafana) * Experience with Angular, NodeJS * Knowledge of APIs, ETL processes, and scripting * Familiarity with Openshift, Docker, Kubernetes, and cloud technologies (IaaS, PaaS, SaaS) Start Date: ASAP Please apply promptly if you are interested as interviews will be commencing soon.
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        Contract: Until end of 2025, rolling extensions - Inside IR35 - Were partnering with a leading financial services client in Sheffield who are seeking a Skilled Python Developer to join their team. Youll be instrumental in building scalable automation solutions to streamline and optimise database operations. This is a hybrid role (3 days per week in Sheffield), offering an initial contract until the end of the year with strong potential for rolling extensions. * Design, develop, and maintain automation solutions for database operations and rollouts * Build and integrate APIs for database management and automation workflows * Troubleshoot automation issues across scripting, APIs, and containerised environments * Proven experience in Python development & FastAPI * Strong knowledge of PostgreSQL database administration * Excellent problem-solving, debugging, and analytica
        Contract: Until end of 2025, rolling extensions - Inside IR35 - Were partnering with a leading financial services client in Sheffield who are seeking a Skilled Python Developer to join their team. Youll be instrumental in building scalable automation solutions to streamline and optimise database operations. This is a hybrid role (3 days per week in Sheffield), offering an initial contract until the end of the year with strong potential for rolling extensions. * Design, develop, and maintain automation solutions for database operations and rollouts * Build and integrate APIs for database management and automation workflows * Troubleshoot automation issues across scripting, APIs, and containerised environments * Proven experience in Python development & FastAPI * Strong knowledge of PostgreSQL database administration * Excellent problem-solving, debugging, and analytica
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        C# Developer

        FORT SEARCH LTD
        M1, Manchester
        From £55,000 to £65,000 per annum
        Senior .NET Developer- Up to £65,000 - Were working with a growing technology business who are investing heavily in their engineering teams. They are now looking for a Senior .NET Developer to join their team and play a key role in building and supporting business-critical systems. What youll be doing * Designing and developing high-quality, scalable software solutions using the Microsoft stack * Building and maintaining APIs, services, and integrations * Working with databases and ensuring data-driven systems are efficient and reliable * Contributing to system improvements and helping modernise legacy applications * Collaborating with product managers, testers, and fellow engineers in an Agile environment * Supporting and mentoring other developers, and sharing best practices - What were looking for * Strong background in C# / .NET development (Framework and/or Core)
        Senior .NET Developer- Up to £65,000 - Were working with a growing technology business who are investing heavily in their engineering teams. They are now looking for a Senior .NET Developer to join their team and play a key role in building and supporting business-critical systems. What youll be doing * Designing and developing high-quality, scalable software solutions using the Microsoft stack * Building and maintaining APIs, services, and integrations * Working with databases and ensuring data-driven systems are efficient and reliable * Contributing to system improvements and helping modernise legacy applications * Collaborating with product managers, testers, and fellow engineers in an Agile environment * Supporting and mentoring other developers, and sharing best practices - What were looking for * Strong background in C# / .NET development (Framework and/or Core)
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        Software Developer

        FORT SEARCH LTD
        M1, Manchester
        From £40,000 to £60,000 per annum
        A growing technology business is looking for a Software Developer with experience in the Tridium Niagara Framework to join their team. This role will suit someone who enjoys working with Java, developing custom modules, and integrating systems into wider technology platforms. * Design, develop, and maintain software solutions within the Niagara Framework * Build and extend modules, drivers, and service components using Java * Integrate systems with APIs, microservices, and wider technology platforms * Contribute to innovation across new and existing projects in a collaborative team environment * Strong commercial experience in Java development * Hands-on experience with the Niagara Framework (Niagara 4 preferred) * Understanding of APIs, services, and modern development practices (Git, CI/CD, etc.) * Problem-solving mindset and a passion for developing new technologie
        A growing technology business is looking for a Software Developer with experience in the Tridium Niagara Framework to join their team. This role will suit someone who enjoys working with Java, developing custom modules, and integrating systems into wider technology platforms. * Design, develop, and maintain software solutions within the Niagara Framework * Build and extend modules, drivers, and service components using Java * Integrate systems with APIs, microservices, and wider technology platforms * Contribute to innovation across new and existing projects in a collaborative team environment * Strong commercial experience in Java development * Hands-on experience with the Niagara Framework (Niagara 4 preferred) * Understanding of APIs, services, and modern development practices (Git, CI/CD, etc.) * Problem-solving mindset and a passion for developing new technologie
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        My client, a dynamic and growing technology-led organisation, is seeking a skilled IT Support Engineer to lead the technical delivery of cloud-centric infrastructure projects across a diverse client base. This is a hands-on role focused on delivering scalable, secure, and efficient solutions using Microsoft Azure and modern networking technologies. * Deliver cloud infrastructure and transformation projects, primarily on Microsoft Azure. * Ensure projects meet cost, time, scope, and compliance targets. * Collaborate with support and delivery teams for smooth service transition. * Provide clear project updates and documentation. * Identify automation opportunities and process improvements using Azure-native tools. * Mentor junior team members and promote knowledge sharing. * Support strategic account planning and resource reporting.
        My client, a dynamic and growing technology-led organisation, is seeking a skilled IT Support Engineer to lead the technical delivery of cloud-centric infrastructure projects across a diverse client base. This is a hands-on role focused on delivering scalable, secure, and efficient solutions using Microsoft Azure and modern networking technologies. * Deliver cloud infrastructure and transformation projects, primarily on Microsoft Azure. * Ensure projects meet cost, time, scope, and compliance targets. * Collaborate with support and delivery teams for smooth service transition. * Provide clear project updates and documentation. * Identify automation opportunities and process improvements using Azure-native tools. * Mentor junior team members and promote knowledge sharing. * Support strategic account planning and resource reporting.
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        FEATURED

        Software Engineer (£50k + benefits)

        InterQuest Group (UK) Limited
        Manchester, Greater Manchester
        £40k - 50k per year + benefits
        Great opportunity for a Software Engineer to join a private equity backed tech company in Manchester as they scale in 2025. You'd join a product-based squad within a larger engineering function and would be given the opportunity to be involved in all aspects of the product you work on, from ideation through to deployment and maintenance. Each squad decides the methodologies and practices they use, and the business has created an experimental culture, following a build, measure and learn approach to get quick feedback and deliver valuable increments. The existing group are very open minded, they value teamwork over individual heroics and focus on engineering best practice like TDD and Pair Programming. * C#, .NET Core, React * REST APIs, Microservices * AWS, Terraform, Docker * CI/CD, TDD, Pair Programming
        Great opportunity for a Software Engineer to join a private equity backed tech company in Manchester as they scale in 2025. You'd join a product-based squad within a larger engineering function and would be given the opportunity to be involved in all aspects of the product you work on, from ideation through to deployment and maintenance. Each squad decides the methodologies and practices they use, and the business has created an experimental culture, following a build, measure and learn approach to get quick feedback and deliver valuable increments. The existing group are very open minded, they value teamwork over individual heroics and focus on engineering best practice like TDD and Pair Programming. * C#, .NET Core, React * REST APIs, Microservices * AWS, Terraform, Docker * CI/CD, TDD, Pair Programming
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        Python and/or JavaScript/TypeScript experience, strong AWS skills, Kubernetes, CI/CD, and experience with data platforms, high-volume processing, API development, and Terraform.
        Python and/or JavaScript/TypeScript experience, strong AWS skills, Kubernetes, CI/CD, and experience with data platforms, high-volume processing, API development, and Terraform.
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        Role split between manual and automation testing, C# / .net, API testing, Postman, Playright, etc. £ 50000 - 60000 + benefits. * Strong API testing and Postman * API testing
        Role split between manual and automation testing, C# / .net, API testing, Postman, Playright, etc. £ 50000 - 60000 + benefits. * Strong API testing and Postman * API testing
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        Principal Developer (C# and Azure Development)

        DCV Technologies Limited
        Spring Gardens, M2
        From £55,000 to £70,000 per annum
        Azure AI Search, using API and designing indexes * Azure AD, Enterprise apps and interactions via Graph API * Data sources: via ODBC, RESTful API, Message-based Architectures
        Azure AI Search, using API and designing indexes * Azure AD, Enterprise apps and interactions via Graph API * Data sources: via ODBC, RESTful API, Message-based Architectures
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        Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models.
        Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models.
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        The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Familiarity with API Gateway platforms such as WSO2 or similar.
        The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Familiarity with API Gateway platforms such as WSO2 or similar.
        more

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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 5 contract API jobs within 20 miles of Leeds available on CWJobs 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 Aws, Python, IT, amongst many others.