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        37 API jobs in Bolton + 20 miles

        Data Engineer

        MBDA
        BL5, Bolton, BL5 1EE
        £55,000
        Data exchange and processing skills (e.g. ETL, ESB, API...)
        Data exchange and processing skills (e.g. ETL, ESB, API...)
        NEWFEATURED
        This role is ideal for someone experienced in backend API development and working with modern data infrastructure. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. • API development with Falcon framework
        This role is ideal for someone experienced in backend API development and working with modern data infrastructure. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. • API development with Falcon framework
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        NEW
        Perform API testing using tools like Postman or REST clients, validating custom connectors and third-party integrations. * Knowledge of API and integration testing using tools such as Postman .
        Perform API testing using tools like Postman or REST clients, validating custom connectors and third-party integrations. * Knowledge of API and integration testing using tools such as Postman .
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        NEW
        Applications are now open for our 2026 Graduate Cohort (Software Engineering)! Ashton Fire is a dynamic and rapidly growing Fire Safety and Engineering Consultancy. Operating from an ethical platform, our social and environmental values are at the core of our organisation and service delivery. We strive to provide the highest quality, morally and ethically balanced service to our clients whilst maintaining a team-focused working environment. * Applications are open until Friday, 5th December 2025 . * All applicants will be contacted with the outcome of their application by Friday, 12th December 2025. * Shortlisted candidates will then be invited to interview in Manchester in January 2026. * Offers will be made to successful candidates by Monday, 26th January 2026 . Our 2026 Graduate Cohort will officially begin on Tuesday, 1st September 2026.
        Applications are now open for our 2026 Graduate Cohort (Software Engineering)! Ashton Fire is a dynamic and rapidly growing Fire Safety and Engineering Consultancy. Operating from an ethical platform, our social and environmental values are at the core of our organisation and service delivery. We strive to provide the highest quality, morally and ethically balanced service to our clients whilst maintaining a team-focused working environment. * Applications are open until Friday, 5th December 2025 . * All applicants will be contacted with the outcome of their application by Friday, 12th December 2025. * Shortlisted candidates will then be invited to interview in Manchester in January 2026. * Offers will be made to successful candidates by Monday, 26th January 2026 . Our 2026 Graduate Cohort will officially begin on Tuesday, 1st September 2026.
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        NEW
        Salary: Salary up to £80,000 Location: Manchester - Salary up to £80,000 - Location - Manchester (office-first working policy; office-first to foster collaboration, alignment, and community) Reports to - Development Lead * Technical Leadership and Direction (40%): Set the technical direction for the front-end discipline, ensuring alignment with business objectives and industry best practices. Drive the adoption of new technologies, tools, and methodologies to keep our back-end development at the cutting edge. Collaborate with other principal developers and architects to define and implement scalable, maintainable, and performant front-end architectures. * Software Development (30%): Dive deep into the creation of our SaaS products, working alongside a dynamic, cross-functional team, getting involved in every stage from brainstorming sessions to deployment, ensuring th
        Salary: Salary up to £80,000 Location: Manchester - Salary up to £80,000 - Location - Manchester (office-first working policy; office-first to foster collaboration, alignment, and community) Reports to - Development Lead * Technical Leadership and Direction (40%): Set the technical direction for the front-end discipline, ensuring alignment with business objectives and industry best practices. Drive the adoption of new technologies, tools, and methodologies to keep our back-end development at the cutting edge. Collaborate with other principal developers and architects to define and implement scalable, maintainable, and performant front-end architectures. * Software Development (30%): Dive deep into the creation of our SaaS products, working alongside a dynamic, cross-functional team, getting involved in every stage from brainstorming sessions to deployment, ensuring th
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        NEW

        Software Development Engineer

        Avecto Ltd t/a BeyondTrust
        Manchester, Greater Manchester
        Competitive
        BeyondTrust is a place where you can bring your purpose to life through the work that you do, creating a safer world through our cybersecurity SaaS portfolio. Our culture of flexibility, trust, and continual learning means you will be recognized for your growth, and for the impact you make on our success. You will be surrounded by people who challenge, support, and inspire you to be the best version of yourself. The Role - As a Software Development Engineer, you will play a pivotal role in developing our Endpoint Privilege Management Solution for Windows. You will be part of a dynamic team responsible for designing, developing, delivering, and maintaining the solution using cutting-edge technologies. This is an exceptional opportunity for you to be involved in a rapidly evolving and leading-edge domain. What You'll Do
        BeyondTrust is a place where you can bring your purpose to life through the work that you do, creating a safer world through our cybersecurity SaaS portfolio. Our culture of flexibility, trust, and continual learning means you will be recognized for your growth, and for the impact you make on our success. You will be surrounded by people who challenge, support, and inspire you to be the best version of yourself. The Role - As a Software Development Engineer, you will play a pivotal role in developing our Endpoint Privilege Management Solution for Windows. You will be part of a dynamic team responsible for designing, developing, delivering, and maintaining the solution using cutting-edge technologies. This is an exceptional opportunity for you to be involved in a rapidly evolving and leading-edge domain. What You'll Do
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        Dynamics 365 CE Developer

        TRANSPORT FOR GREATER MANCHESTER LIMITED
        Manchester, Greater Manchester
        £58,539 - £62,866 a year
        Ready to be part of a digital transformation that directly impacts thousands of lives? At Transport for Greater Manchester (TfGM), were on a mission to reimagine our citys transport system, and we need passionate engineers to make it happen. If you thrive on tackling complex challenges, bringing user-focused designs to life, and building end-to-end solutions that make a real difference, this is your chance to create technology that keeps Greater Manchester moving and growing. Your Role - Join our dynamic team as a Dynamics 365 Customer Engagement (CE) Developer , where you'll solutions using the Microsoft Power Platform, Azure, and DevOps practices. This role is ideal for someone who thrives in a fast-paced environment and enjoys solving complex business challenges with modern cloud technologies and support day to day BAU activities from Business.
        Ready to be part of a digital transformation that directly impacts thousands of lives? At Transport for Greater Manchester (TfGM), were on a mission to reimagine our citys transport system, and we need passionate engineers to make it happen. If you thrive on tackling complex challenges, bringing user-focused designs to life, and building end-to-end solutions that make a real difference, this is your chance to create technology that keeps Greater Manchester moving and growing. Your Role - Join our dynamic team as a Dynamics 365 Customer Engagement (CE) Developer , where you'll solutions using the Microsoft Power Platform, Azure, and DevOps practices. This role is ideal for someone who thrives in a fast-paced environment and enjoys solving complex business challenges with modern cloud technologies and support day to day BAU activities from Business.
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        Dynamics 365 Developer

        SCRUMCONNECT LIMITED
        Manchester, Greater Manchester
        Competitive
        Job Information - Date Opened - 14/10/2025 - Job Type - Contract - Work Experience - 4-5 years - Industry - Government & Public Sector - Salary - 400-450 Inside IR 35 - City - Manchester - Province - Greater Manchester - Country - United Kingdom - Postal Code - M1 - About Scrumconnect - Scrumconnect Consulting is a trusted digital delivery partner to UK government departments and public sector bodies. We specialise in building user-centred digital services that improve lives. Our multidisciplinary teams bring together experienced technologists, designers, researchers, and strategists to solve complex challenges and deliver meaningful impact in the public sector. Role Overview - We are seeking a passionate and highly interactive Dynamics 365 Developer to join our growing team. The ideal candidate will have strong expertise in Microsoft Dynamics 365 CRM , a deep underst
        Job Information - Date Opened - 14/10/2025 - Job Type - Contract - Work Experience - 4-5 years - Industry - Government & Public Sector - Salary - 400-450 Inside IR 35 - City - Manchester - Province - Greater Manchester - Country - United Kingdom - Postal Code - M1 - About Scrumconnect - Scrumconnect Consulting is a trusted digital delivery partner to UK government departments and public sector bodies. We specialise in building user-centred digital services that improve lives. Our multidisciplinary teams bring together experienced technologists, designers, researchers, and strategists to solve complex challenges and deliver meaningful impact in the public sector. Role Overview - We are seeking a passionate and highly interactive Dynamics 365 Developer to join our growing team. The ideal candidate will have strong expertise in Microsoft Dynamics 365 CRM , a deep underst
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        Senior Oracle Fusion Analyst

        INIZIO GROUP LIMITED
        Manchester, Greater Manchester
        Competitive
        About iNIZIO - At Inizio, we're a global team driven by a shared purpose: to reimagine health. Formed in 2022 through the coming together of Ashfield and Huntsworth, we unite decades of experience with cutting-edge capabilities to deliver impactful solutions across the commercialization journey - from discovery to post-launch. Our global network of over 10,000 experts operates across 50 countries, supporting clients with strategic insight, medical excellence, creative engagement, and real-world delivery. We work with the world's leading health and life sciences businesses to solve complex challenges and drive meaningful outcomes for our clients and patients. What sets Inizio apart is our people - and we believe everyone should have the opportunity to thrive. Here, you're encouraged to reimagine your possibilities: to grow, to be curious and to make real change happen.
        About iNIZIO - At Inizio, we're a global team driven by a shared purpose: to reimagine health. Formed in 2022 through the coming together of Ashfield and Huntsworth, we unite decades of experience with cutting-edge capabilities to deliver impactful solutions across the commercialization journey - from discovery to post-launch. Our global network of over 10,000 experts operates across 50 countries, supporting clients with strategic insight, medical excellence, creative engagement, and real-world delivery. We work with the world's leading health and life sciences businesses to solve complex challenges and drive meaningful outcomes for our clients and patients. What sets Inizio apart is our people - and we believe everyone should have the opportunity to thrive. Here, you're encouraged to reimagine your possibilities: to grow, to be curious and to make real change happen.
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        Experience designing, building and maintaining cloud environments in particular AWS Serverless Technology - Lambda, DynamoDB, Connect, API Gateway, Cloud Formation.
        Experience designing, building and maintaining cloud environments in particular AWS Serverless Technology - Lambda, DynamoDB, Connect, API Gateway, Cloud Formation.
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        101 exact matches jobs are outside your preferred location

        Software Developer

        Smart Business Link Limited
        LS27, Leeds
        Up to £40,000 per annum Annual performance-based bonuses (typically wo
        API Development: Collaborate with stake holders to design and develop robust APIs critical for the system transition.
        API Development: Collaborate with stake holders to design and develop robust APIs critical for the system transition.
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        NEWFEATURED

        HR & Payroll Systems Developer - ResourceLink, Compensate.

        Solus Accident Repair Centres
        S10, Sheffield
        From £45,000 to £55,000 per annum + bonus and benefits
        A keen understanding of security and of integrations with other platforms through the use of APIs, webhooks, SSO and Azure connectors; a proficiency in using the ZIP API suite
        A keen understanding of security and of integrations with other platforms through the use of APIs, webhooks, SSO and Azure connectors; a proficiency in using the ZIP API suite
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        NEW

        Senior Test Engineer

        DWP Digital
        Walker's Hill, FY4 5ES
        £57946 - £71017 per annum
        Digital with Purpose. We are looking for a person to join in a multi-disciplinary Product team as part of our DWP Mobile Products service. Our team is responsible for the deployment, configuration and management of the mobile platform, as well as the development and deployment of mobile applications. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Test Automation & Frameworks: Proficiency in building and maintaining automated test su
        Digital with Purpose. We are looking for a person to join in a multi-disciplinary Product team as part of our DWP Mobile Products service. Our team is responsible for the deployment, configuration and management of the mobile platform, as well as the development and deployment of mobile applications. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Test Automation & Frameworks: Proficiency in building and maintaining automated test su
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        NEWPREMIUM
        Location: Warton, full time on site (occasional travel to Reading HQ) Duration: 6-12 months - Hourly Rate: £50 PAYE or £67.47 Umbrella - Working Arrangements: Full time on site (occasional travel to Reading HQ) Reports To: Chris McShee - What You’ll Be Doing * Designing, developing, and maintaining robust, secure, and scalable data pipelines using Apache NiFi and related technologies. * Troubleshooting, optimising, and maintaining NiFi flows — addressing performance, error handling, and throughput challenges. * Integrating NiFi with cloud platforms, SQL/NoSQL databases, APIs, and third-party systems. * Ensuring data infrastructure adheres to strict security and compliance standards. * Supporting data migrations and implementing disaster recovery strategies. * Monitoring data infrastructure performance and recommending continual improvements.
        Location: Warton, full time on site (occasional travel to Reading HQ) Duration: 6-12 months - Hourly Rate: £50 PAYE or £67.47 Umbrella - Working Arrangements: Full time on site (occasional travel to Reading HQ) Reports To: Chris McShee - What You’ll Be Doing * Designing, developing, and maintaining robust, secure, and scalable data pipelines using Apache NiFi and related technologies. * Troubleshooting, optimising, and maintaining NiFi flows — addressing performance, error handling, and throughput challenges. * Integrating NiFi with cloud platforms, SQL/NoSQL databases, APIs, and third-party systems. * Ensuring data infrastructure adheres to strict security and compliance standards. * Supporting data migrations and implementing disaster recovery strategies. * Monitoring data infrastructure performance and recommending continual improvements.
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        NEWFEATURED

        Pen Tester

        Stackstudio Digital Ltd.
        LS1, Leeds
        From £375 to £400 per day
        Job Title: Penetration Tester - Location: Leeds (Hybrid; 4 days in office) Job Type: Contract (Inside IR35) Duration: 6 Months Job Summary: Join Tata Consultancy Services (TCS) as a Pen Tester and play a critical role in safeguarding some of the largest and most innovative clients in the UK and worldwide. You'll be part of a purpose-led transformation company, making a meaningful impact through challenging projects that demand ambitious innovation and thought leadership. * Lead client engagements from kickoff through to scoping, penetration testing, and reporting, ensuring delivery within agreed scope and deadlines. * Perform comprehensive penetration testing across networks, web applications, APIs, cloud security, thick client applications, wireless, social engineering, and physical environments.
        Job Title: Penetration Tester - Location: Leeds (Hybrid; 4 days in office) Job Type: Contract (Inside IR35) Duration: 6 Months Job Summary: Join Tata Consultancy Services (TCS) as a Pen Tester and play a critical role in safeguarding some of the largest and most innovative clients in the UK and worldwide. You'll be part of a purpose-led transformation company, making a meaningful impact through challenging projects that demand ambitious innovation and thought leadership. * Lead client engagements from kickoff through to scoping, penetration testing, and reporting, ensuring delivery within agreed scope and deadlines. * Perform comprehensive penetration testing across networks, web applications, APIs, cloud security, thick client applications, wireless, social engineering, and physical environments.
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        NEW

        Software Engineer

        Outsource UK lTD
        Warton, PR4 1AX
        Hourly Rate £55 PAYE or £74.26 Umbrella
        Job: Software Engineer - Company: BAE Systems - Hourly Rate: £55 PAYE or £74.26 Umbrella - Location: Preston 3 days per week on-site - Contract: 6-12 months (Opportunity to be extended) Working Hours: 37 hours per week * Design, develop, and maintain scalable APIs and backend services to facilitate data flow between systems. * Collaborate with data engineers, architects, and security teams to ensure secure, reliable, and performant data exchange. * Work across cloud and on-premises environments to support a hybrid infrastructure. * Build reusable and modular components with a focus on maintainability and performance. * Implement robust error handling, logging, and monitoring strategies for production-grade services. * 5 years+ experience in end-to-end projects * C# experience * .NET experience * Experience in RESTful APIs * ETL experience * Experience working within a
        Job: Software Engineer - Company: BAE Systems - Hourly Rate: £55 PAYE or £74.26 Umbrella - Location: Preston 3 days per week on-site - Contract: 6-12 months (Opportunity to be extended) Working Hours: 37 hours per week * Design, develop, and maintain scalable APIs and backend services to facilitate data flow between systems. * Collaborate with data engineers, architects, and security teams to ensure secure, reliable, and performant data exchange. * Work across cloud and on-premises environments to support a hybrid infrastructure. * Build reusable and modular components with a focus on maintainability and performance. * Implement robust error handling, logging, and monitoring strategies for production-grade services. * 5 years+ experience in end-to-end projects * C# experience * .NET experience * Experience in RESTful APIs * ETL experience * Experience working within a
        more
        NEWFEATURED
        DevOps Software Engineer - Outside IR35 | £550–£650 per day - Elevation Recruitment Group are partnering with a forward-thinking FinTech business who are changing how the financial services industry uses technology. They’re looking for an experienced DevOps Software Engineer to join their high-performing engineering team and play a key role in scaling cloud infrastructure and driving automation across the platform. This is an opportunity to work with cutting-edge tools and modern CI/CD practices in a fast-moving, collaborative environment where innovation is encouraged and ideas are heard. * Design, implement and maintain CI/CD pipelines for microservices and APIs * Support and optimise cloud infrastructure (AWS / Azure / GCP) * Build and manage containerised environments using Docker and Kubernetes * Collaborate closely with developers to streamline code deployment a
        DevOps Software Engineer - Outside IR35 | £550–£650 per day - Elevation Recruitment Group are partnering with a forward-thinking FinTech business who are changing how the financial services industry uses technology. They’re looking for an experienced DevOps Software Engineer to join their high-performing engineering team and play a key role in scaling cloud infrastructure and driving automation across the platform. This is an opportunity to work with cutting-edge tools and modern CI/CD practices in a fast-moving, collaborative environment where innovation is encouraged and ideas are heard. * Design, implement and maintain CI/CD pipelines for microservices and APIs * Support and optimise cloud infrastructure (AWS / Azure / GCP) * Build and manage containerised environments using Docker and Kubernetes * Collaborate closely with developers to streamline code deployment a
        more
        NEWFEATURED
        Digital with Purpose. We are looking for a Senior Software Engineer to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Full-Stack Development Expertise: Proficiency in multiple programming languages such as Java, Node.js, and Python, with experience across the entire technical stack including frontend, backend, APIs, databases, and CI/CD pipelines.
        Digital with Purpose. We are looking for a Senior Software Engineer to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Full-Stack Development Expertise: Proficiency in multiple programming languages such as Java, Node.js, and Python, with experience across the entire technical stack including frontend, backend, APIs, databases, and CI/CD pipelines.
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        NEWPREMIUM
        Digital with Purpose. We are looking for a Senior Software Engineer to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Full-Stack Development Expertise: Proficiency in multiple programming languages such as Java, Node.js, and Python, with experience across the entire technical stack including frontend, backend, APIs, databases, and CI/CD pipelines.
        Digital with Purpose. We are looking for a Senior Software Engineer to join our community of tech experts in DWP Digital. We're using fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Full-Stack Development Expertise: Proficiency in multiple programming languages such as Java, Node.js, and Python, with experience across the entire technical stack including frontend, backend, APIs, databases, and CI/CD pipelines.
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        NEWPREMIUM

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        Frequently Asked Questions

        How many API jobs are there in Bolton?
        There are 37 API jobs within 20 miles of Bolton available on CWJobs right now.

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