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15 Permanent API jobs in Northamptonshire + 20 miles
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Are you an experienced .Net (C#) Developer, with some solid experience in API development, looking to take on your next Software Engineering role in a growing SaaS product company? Keen to grow your technical skills around .Net 8 / C# / API & MySQL development & look into new Generative AI / LLM dev' tools, too? Job title: .Net (C#) API Developer - But basically, if you have solid experience in .Net (C#) & solid experience in ASP.Net core WebAPI (RESTful API), then we'd like to hear from you! - ASP.NET Core MVC and Web API. - Understanding of API versioning, documentation (e.g., Swagger), and security best practices.
Are you an experienced .Net (C#) Developer, with some solid experience in API development, looking to take on your next Software Engineering role in a growing SaaS product company? Keen to grow your technical skills around .Net 8 / C# / API & MySQL development & look into new Generative AI / LLM dev' tools, too? Job title: .Net (C#) API Developer - But basically, if you have solid experience in .Net (C#) & solid experience in ASP.Net core WebAPI (RESTful API), then we'd like to hear from you! - ASP.NET Core MVC and Web API. - Understanding of API versioning, documentation (e.g., Swagger), and security best practices.
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Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
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At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for a Junior Test Automation Engineer. to be based at Gaydon - Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions. We are seeking a skilled Test Automation Engineer to oversee and drive developm
At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for a Junior Test Automation Engineer. to be based at Gaydon - Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions. We are seeking a skilled Test Automation Engineer to oversee and drive developm
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Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £35,000 - £45,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £35,000 - £45,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
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Senior Databricks Data Engineer
Senior Databricks Data Engineer
Bibby Financial Services
Adderbury, OX17 3NS
£60,000 - £70,000 per annum
Bibby Financial Services have an exciting opportunity available for a reliable Senior Databricks Data Engineer to join our team. You will join us on a full time, permanent basisand in return, you will receive a competitive salary of £60,000 - £70,000 per annum. As our Senior Databricks Data Engineer, you will operate within an Agile delivery environment, working closely with the Data Product Manager and Data Architect to ensure your team maintains a pipeline of delivery against the Backlog; providing vital insight from our wide-ranging dataset to support executive and operational decision making that will underpin sustained growth of BFS business units domestically and internationally. You will have an active leadership role in determining and developing the shape of your teams solution delivery against business requirements, as well as helping to inform and input int
Bibby Financial Services have an exciting opportunity available for a reliable Senior Databricks Data Engineer to join our team. You will join us on a full time, permanent basisand in return, you will receive a competitive salary of £60,000 - £70,000 per annum. As our Senior Databricks Data Engineer, you will operate within an Agile delivery environment, working closely with the Data Product Manager and Data Architect to ensure your team maintains a pipeline of delivery against the Backlog; providing vital insight from our wide-ranging dataset to support executive and operational decision making that will underpin sustained growth of BFS business units domestically and internationally. You will have an active leadership role in determining and developing the shape of your teams solution delivery against business requirements, as well as helping to inform and input int
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Job Title: QA Automation Engineer - Full Time 37.5 hours Monday to Friday, Hybrid (3/4 days in the office) Location: Market Harborough, Leicestershire - Salary: £35,000 to £45,000 dependent on experience - We are seeking a QA Automation Engineer with a strong background in writing and maintaining automated tests. This role will focus primarily on writing unit tests and implementing automated UI testing using Playwright. The successful candidate will work within a Behaviour-Driven Development (BDD) framework using Spec Flow, ensuring test automation aligns with business requirements. You will collaborate with developers, product managers, and other stakeholders to uphold software quality and reliability through structured automated testing. CDS Global are the brand behind world-class brands. We deliver unparalleled technology, payment and data solutions, making us the
Job Title: QA Automation Engineer - Full Time 37.5 hours Monday to Friday, Hybrid (3/4 days in the office) Location: Market Harborough, Leicestershire - Salary: £35,000 to £45,000 dependent on experience - We are seeking a QA Automation Engineer with a strong background in writing and maintaining automated tests. This role will focus primarily on writing unit tests and implementing automated UI testing using Playwright. The successful candidate will work within a Behaviour-Driven Development (BDD) framework using Spec Flow, ensuring test automation aligns with business requirements. You will collaborate with developers, product managers, and other stakeholders to uphold software quality and reliability through structured automated testing. CDS Global are the brand behind world-class brands. We deliver unparalleled technology, payment and data solutions, making us the
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Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £30,000 - £35,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £30,000 - £35,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
NEWFEATURED
Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £30,000 - £40,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Front-End Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
Role: Front-End Developer - Location: Kenilworth (Hybrid 2 Days In-Office Weekly) Salary: £30,000 - £40,000 - Network IT are looking for a Front-End Developer to join a dynamic Information Services team, where youll help shape and maintain engaging, responsive digital platforms. Reporting to the Senior Web Developer, youll support and evolve the organisations web presence, working closely with external web development colleagues to deliver impactful solutions. This is a fantastic opportunity for someone who has great experience as a Front-End Web Developer, who would like to be taught back-end skill set. What youll be doing as a Front-End Web Developer * Develop, support, and enhance web-based solutions and content management systems (CMS), primarily using Umbraco v13 * Collaborate with Communications and Design teams to implement intuitive front-end changes
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Location: Field Based - Contract Type: Permanent - Hours: Full time - Salary: £30,000 per annum - Benefit: 30 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme - About the Job - Youll have an important part to play enhancing the understanding and facilitating informed decision-making regarding carbon emissions across Unipart and the wider supply chain. Youll conduct in-depth analysis to refine the accuracy and quality of the carbon data as well as supporting the integration and utilisation in the way the carbon accounting is performed. Here at Unipart, we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
Location: Field Based - Contract Type: Permanent - Hours: Full time - Salary: £30,000 per annum - Benefit: 30 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme - About the Job - Youll have an important part to play enhancing the understanding and facilitating informed decision-making regarding carbon emissions across Unipart and the wider supply chain. Youll conduct in-depth analysis to refine the accuracy and quality of the carbon data as well as supporting the integration and utilisation in the way the carbon accounting is performed. Here at Unipart, we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
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Systems Development Officer
Systems Development Officer
Rugby Borough Council
New Bilton, CV21 2RR
From £32,597 to £36,363 per annum
£32,597 - £36,363 - Full Time - 37 hours per week - Rugby Borough Council is dedicated to both Community and Colleague growth. With a focus on wellbeing and personal development, we offer a range of career opportunities where you can take pride in the positive changes you help create. Join an organisation committed to the success of one of the Countrys fastest-growing boroughs and the people who make it thrive. About the role - As our Systems Development Officer youll be part of dedicated team within IT and Digital Services, leading and supporting a host of system-based projects while utilising your project, business, analytical and technical skills. Working closely with colleagues, system owners, users and other stakeholders, youll bring your skills to the development, implementation, deployment, and support of the team, service areas, and wider council.
£32,597 - £36,363 - Full Time - 37 hours per week - Rugby Borough Council is dedicated to both Community and Colleague growth. With a focus on wellbeing and personal development, we offer a range of career opportunities where you can take pride in the positive changes you help create. Join an organisation committed to the success of one of the Countrys fastest-growing boroughs and the people who make it thrive. About the role - As our Systems Development Officer youll be part of dedicated team within IT and Digital Services, leading and supporting a host of system-based projects while utilising your project, business, analytical and technical skills. Working closely with colleagues, system owners, users and other stakeholders, youll bring your skills to the development, implementation, deployment, and support of the team, service areas, and wider council.
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We're currently working with a growing SaaS company based in Banbury 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 Banbury, 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 Banbury 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 Banbury, 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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We're looking for a skilledFull-Stack Developerwho thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend:Node.js, Python, .NET (or equivalent) API development * Proven experience infront-end mapping librariesandbackend API development
We're looking for a skilledFull-Stack Developerwho thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend:Node.js, Python, .NET (or equivalent) API development * Proven experience infront-end mapping librariesandbackend API development
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Senior Software Engineer / Software Developer
Senior Software Engineer / Software Developer
AWD Online
MK44, Bedford
From £60,000 to £70,000 per annum + Benefits
We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
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Senior Software Engineer
Senior Software Engineer
Verifile Ltd
Bedford, Bedfordshire, MK44 3JZ
From £60,000 to £70,000 per annum Plus excellent benefits
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
NEWFEATURED
Technology domains within payments: DevOps, API, Analytics, Cloud adoption and Process Automation;
Technology domains within payments: DevOps, API, Analytics, Cloud adoption and Process Automation;
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65 exact matches jobs are outside your preferred location
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Lead Software Engineer C# .Net API AWS
Lead Software Engineer C# .Net API AWS
Client Server
NG1, Nottingham
£65000 - £80000 per annum + benefits
Lead Software Engineer / Developer (C# .Net API AWS) Nottingham / WFH to £80k - You'll be working with a modern tech stack, with a focus on backend C# .Net and API development. Apply now to find out more about this Lead Software Engineer / Developer (C# .Net API AWS) opportunity.
Lead Software Engineer / Developer (C# .Net API AWS) Nottingham / WFH to £80k - You'll be working with a modern tech stack, with a focus on backend C# .Net and API development. Apply now to find out more about this Lead Software Engineer / Developer (C# .Net API AWS) opportunity.
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QA Test Engineer / Technical Lead C# Postman API
QA Test Engineer / Technical Lead C# Postman API
Client Server
NG1, Nottingham, NG1 7AB
£55000 - £65000 per annum
You have strong API testing experience, ideally with Postman - Apply now to find out more about this QA Test Engineer / Technical Lead (C# Postman API SaaS) opportunity.
You have strong API testing experience, ideally with Postman - Apply now to find out more about this QA Test Engineer / Technical Lead (C# Postman API SaaS) opportunity.
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Strong knowledge of data modelling, API management, and cloud integration.
Strong knowledge of data modelling, API management, and cloud integration.
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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Extensive experience withAWScloud ecosystem services like EC2, S3, Lambda, SNS/SQS, API Gateway, RDS/DynamoDB, CloudFormation, etc.
Extensive experience withAWScloud ecosystem services like EC2, S3, Lambda, SNS/SQS, API Gateway, RDS/DynamoDB, CloudFormation, etc.
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and integration
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oWeb services API integration (HTTP, JSON, REST, XML)
oWeb services API integration (HTTP, JSON, REST, XML)
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Understanding of Dell Boomi AtomSphere, including Atoms, Molecules, and API management
Understanding of Dell Boomi AtomSphere, including Atoms, Molecules, and API management
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Integration Manager, EPR, PAS, NHS - Remote
Integration Manager, EPR, PAS, NHS - Remote
Halian Technology Limited
B10, Birmingham
From £65,000 to £85,000 per annum Strong Package
API management
API management
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AI Solutions Engineer - London
AI Solutions Engineer - London
Transparent Technology
London, EC1A 4RN
£70000 - £140000 per annum + + bens + shares
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
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