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        Sheffield
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        5 Contract API jobs in Rotherham + 20 miles

        Python Developer

        VANLOQ LIMITED
        S1, Sheffield
        Unspecified
        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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        The client is working on a strategic Identity and Access Management programme and is re-shaping the way Authentication, Federation, Privileged Access Management, Access Governance, Secrets Management and API Security is done across the bank.
        The client is working on a strategic Identity and Access Management programme and is re-shaping the way Authentication, Federation, Privileged Access Management, Access Governance, Secrets Management and API Security is done across the bank.
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        NEWPREMIUM
        We are working on a strategic Identity and Access Management programme and is re-shaping the way Authentication, Federation, Privileged Access Management, Access Governance, Secrets Management and API Security is done across the organisation.
        We are working on a strategic Identity and Access Management programme and is re-shaping the way Authentication, Federation, Privileged Access Management, Access Governance, Secrets Management and API Security is done across the organisation.
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        NEWPREMIUM
        We are a leading print ecommerce company dedicated to delivering high-quality print products and exceptional customer experiences. Our focus on innovation and customer satisfaction drives us forward, and we are currently seeking a talented Senior Software Engineer to join our dynamic team. An opportunity has arisen to join our Internal Systems team who are the key development team involved in all our Business Systems, from our state of the art production facility, to our dedicated service and studio teams, technology is at the heart of driving all of this. If you have a passion for leveraging advanced technologies to enhance and develop solutions improving processes and optimise results in all areas of the organisation - this is an excellent opportunity for you. * This position is office based at our office in Manvers, Rotherham.
        We are a leading print ecommerce company dedicated to delivering high-quality print products and exceptional customer experiences. Our focus on innovation and customer satisfaction drives us forward, and we are currently seeking a talented Senior Software Engineer to join our dynamic team. An opportunity has arisen to join our Internal Systems team who are the key development team involved in all our Business Systems, from our state of the art production facility, to our dedicated service and studio teams, technology is at the heart of driving all of this. If you have a passion for leveraging advanced technologies to enhance and develop solutions improving processes and optimise results in all areas of the organisation - this is an excellent opportunity for you. * This position is office based at our office in Manvers, Rotherham.
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        United Kingdom * 5761 * Employee Regular Full Time - Job Description Overview - Are you ready for whats next, now? About the Role - The successful candidate will play a key role in the design, development, and maintenance of our ERP software systems, working with technologies including VB.Net, C#, SQL, Python, PHP and Java, and bringing valuable experience with software models, system architecture, and infrastructure. Experience with full stack development will be considered a significant advantage. Key Responsibilities * Design, develop, and maintain new modules and applications using languages such as VB.Net, C#, SQL, Python, PHP and Java. * Design, code, test, and deploy new features or enhancements to existing modules for Windows-based platforms. * Build and refine user interfaces using frameworks such as WinForms, focusing on usability and consistency.
        United Kingdom * 5761 * Employee Regular Full Time - Job Description Overview - Are you ready for whats next, now? About the Role - The successful candidate will play a key role in the design, development, and maintenance of our ERP software systems, working with technologies including VB.Net, C#, SQL, Python, PHP and Java, and bringing valuable experience with software models, system architecture, and infrastructure. Experience with full stack development will be considered a significant advantage. Key Responsibilities * Design, develop, and maintain new modules and applications using languages such as VB.Net, C#, SQL, Python, PHP and Java. * Design, code, test, and deploy new features or enhancements to existing modules for Windows-based platforms. * Build and refine user interfaces using frameworks such as WinForms, focusing on usability and consistency.
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        140 exact matches jobs are outside your preferred location

        Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
        Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
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        NEW
        Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following * Java 21 (or later) * Test Driven Development (TDD) and Behaviour Driven Development (BDD) * Large microservice architectures * Agile environments and pair programming * Implementing APIs for internal and external use * Building automated test suites in CI/CD environments * Unix/Linux operating systems * Communicating technical concepts to non-technical audiences * Jackson, JAX-RS, Mockito * ActiveMQ or Kafka
        Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following * Java 21 (or later) * Test Driven Development (TDD) and Behaviour Driven Development (BDD) * Large microservice architectures * Agile environments and pair programming * Implementing APIs for internal and external use * Building automated test suites in CI/CD environments * Unix/Linux operating systems * Communicating technical concepts to non-technical audiences * Jackson, JAX-RS, Mockito * ActiveMQ or Kafka
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        NEW
        Role: Contract Senior Backend Engineer - Rate: C.£525 Outside IR35 Per day - Location: Bradford - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Backend Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following best practi
        Role: Contract Senior Backend Engineer - Rate: C.£525 Outside IR35 Per day - Location: Bradford - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Backend Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following best practi
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        Reimagine the Role of AI in Human Travel - At Travel Counsellors, were not just adopting AI - were building a future where it enhances every human interaction. With 30+ years of history and 2,200+ independent travel entrepreneurs worldwide, weve always believed in the power of personal service. Now, were using AI to scale care, creativity, and connection like never before. Our next-generation travel platform is being transformed by intelligent features, with TC Co-Pilot at the heart of it. As AI Product Owner, youll lead the charge in embedding smart systems across our business, from hyper-personalised experiences to operational excellence. If youre excited by the idea of combining cutting-edge AI with the depth of human empathy, this is your moment. *Please note - this is a 12-month fixed-term contract - About the Role - Your Mission - Take the reins of AI product in
        Reimagine the Role of AI in Human Travel - At Travel Counsellors, were not just adopting AI - were building a future where it enhances every human interaction. With 30+ years of history and 2,200+ independent travel entrepreneurs worldwide, weve always believed in the power of personal service. Now, were using AI to scale care, creativity, and connection like never before. Our next-generation travel platform is being transformed by intelligent features, with TC Co-Pilot at the heart of it. As AI Product Owner, youll lead the charge in embedding smart systems across our business, from hyper-personalised experiences to operational excellence. If youre excited by the idea of combining cutting-edge AI with the depth of human empathy, this is your moment. *Please note - this is a 12-month fixed-term contract - About the Role - Your Mission - Take the reins of AI product in
        more
        NEWFEATURED
        Role: Contract Senior Software Engineer - Backend - Rate: C.£525 Outside IR35 Per day - Location: Bradford - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Senior Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following b
        Role: Contract Senior Software Engineer - Backend - Rate: C.£525 Outside IR35 Per day - Location: Bradford - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Senior Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following b
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        Role: Contract Senior Fullstack Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
        Role: Contract Senior Fullstack Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
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        Role: Contract Senior Frontend Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 3-6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
        Role: Contract Senior Frontend Engineer - Rate: c. £550 Outside IR35 Per Day - Location: Leeds - Hybrid (2 days on site/PW) Length: 3-6 months - About Us - We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview - As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities * Lead the design and implementation of frontend architecture and features using React. * Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end.
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        Full-stack developer

        Sanderson Government and Defence
        M1, Manchester
        £400 - £405 per day + Inside I35
        IR35 Status: Inside - Role title: Full-Stack Developer - Rate: £400-405/d - Onsite requirement: Fully remote - Contract length: 6 months - Key Responsibilities * Develop and maintain robust, secure, and scalable applications and APIs within a modern cloud environment (primarily AWS). * Collaborate closely with product managers, delivery managers, business analysts, user researchers, and other engineers. * Contribute to the technical direction and architectural decisions within the team. * Write clean, testable code following best practices in security, accessibility, and DevOps. * Participate in code reviews, pair programming, and continuous integration/deployment processes. * Help troubleshoot and resolve live service issues, ensuring high availability and resilience. * Work within GDS (Government Digital Service) standards, contributing to open-source where applicab
        IR35 Status: Inside - Role title: Full-Stack Developer - Rate: £400-405/d - Onsite requirement: Fully remote - Contract length: 6 months - Key Responsibilities * Develop and maintain robust, secure, and scalable applications and APIs within a modern cloud environment (primarily AWS). * Collaborate closely with product managers, delivery managers, business analysts, user researchers, and other engineers. * Contribute to the technical direction and architectural decisions within the team. * Write clean, testable code following best practices in security, accessibility, and DevOps. * Participate in code reviews, pair programming, and continuous integration/deployment processes. * Help troubleshoot and resolve live service issues, ensuring high availability and resilience. * Work within GDS (Government Digital Service) standards, contributing to open-source where applicab
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        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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        Role Senior Technology Architect Technology Liferay, Java, Spring, REST API Location Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build whats next and we will navigate further together. * Experience in using API gateway for backend data / services integration to Liferay portal.
        Role Senior Technology Architect Technology Liferay, Java, Spring, REST API Location Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build whats next and we will navigate further together. * Experience in using API gateway for backend data / services integration to Liferay portal.
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        You will continuously enhance your team's capabilities by implementing best practices in areas such as API design, data modelling, MLOps, and DevOps * Has experience in Stripe API implementation
        You will continuously enhance your team's capabilities by implementing best practices in areas such as API design, data modelling, MLOps, and DevOps * Has experience in Stripe API implementation
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        We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Your team will be expected to build and own a brand-new mobile app and web over a common trading API. In this role, you will work in an Agile fashion to deliver and own a new App or Web customer journey with a shared, headless API model back-end.
        We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Your team will be expected to build and own a brand-new mobile app and web over a common trading API. In this role, you will work in an Agile fashion to deliver and own a new App or Web customer journey with a shared, headless API model back-end.
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        Frequently Asked Questions

        How many contract API jobs are there in Rotherham?
        There are 5 contract API jobs within 20 miles of Rotherham available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Rotherham?
        As well as contract API jobs in Rotherham, you can find contract Aws, Implementation, IT, amongst many others.