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22 Permanent API jobs in Buckinghamshire + 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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Senior .NET Integration Developer
Senior .NET Integration Developer
Oscar Associates (UK) Limited
SL6, Maidenhead
£50000 - £65000 per annum
Assist customers and partners in integration setup and API/gateway usage.
Assist customers and partners in integration setup and API/gateway usage.
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Deep understanding of RESTful API design and integration
Deep understanding of RESTful API design and 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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Ensuring feature parity and API alignment between different platforms
Ensuring feature parity and API alignment between different platforms
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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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Take a lead role in the development and support ofMicrosoft MVC and .NET web applications and C# Console and API solutions, ensuring best practices are followed throughout the software lifecycle. * Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
Take a lead role in the development and support ofMicrosoft MVC and .NET web applications and C# Console and API solutions, ensuring best practices are followed throughout the software lifecycle. * Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
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Good understanding of API integration and data flow between front-end and back-end.
Good understanding of API integration and data flow between front-end and back-end.
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Principal Software Engineer (Cloud Applications)
Principal Software Engineer (Cloud Applications)
Eckoh PLC
HP1, Hemel Hempstead
Up to £100000 per annum
Build cloud-native applications using AWS services such as Lambda, API Gateway, DynamoDB, SQS, and EventBridge * Solid experience with AWS application services (Lambda, API Gateway, Step Functions, DynamoDB, etc.) * Proven ability to design and build modern, API-driven systems in a scalable resilient cloud-based platform * Experience with modern front-end frameworks and API integration (React, Vue, Angular)
Build cloud-native applications using AWS services such as Lambda, API Gateway, DynamoDB, SQS, and EventBridge * Solid experience with AWS application services (Lambda, API Gateway, Step Functions, DynamoDB, etc.) * Proven ability to design and build modern, API-driven systems in a scalable resilient cloud-based platform * Experience with modern front-end frameworks and API integration (React, Vue, Angular)
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Senior Software Developer - PHP / Laravel - This is a really interesting and varied role with a small but very well established company that's been a leader in their niche market for 25+ years. We are looking for an experienced developer to join a team of 4 that mostly develops web-based systems that are customer-facing and essential to the way our client's business runs. The company is in a fast-moving industry that is undergoing plenty of change, so there's no shortage of interesting stuff to do. We're looking for someone who can provide some leadership and mentoring to team members and who can work closely with the senior management team to understand the evolving needs of the business. The company is based near Reading, Berkshire. They operate a hybrid working model and you'll need to be in the office at least one day per week, occasionally more for meetings etc.
Senior Software Developer - PHP / Laravel - This is a really interesting and varied role with a small but very well established company that's been a leader in their niche market for 25+ years. We are looking for an experienced developer to join a team of 4 that mostly develops web-based systems that are customer-facing and essential to the way our client's business runs. The company is in a fast-moving industry that is undergoing plenty of change, so there's no shortage of interesting stuff to do. We're looking for someone who can provide some leadership and mentoring to team members and who can work closely with the senior management team to understand the evolving needs of the business. The company is based near Reading, Berkshire. They operate a hybrid working model and you'll need to be in the office at least one day per week, occasionally more for meetings etc.
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Senior Software Developer
Senior Software Developer
Lean People Services Limited
Luton, Bedfordshire
From £75,000 to £85,000 per annum
up to £85,000 per annum - Full Time Mon-Fri - Our Client provide remote diagnostic solutions and services to the automotive industry. They offer cutting-edge, expert diagnostics using both after-market and original equipment manufacturer tools to provide safe and accurate repairs. The company was founded in 2010 and is headquartered in Plano, TX with UK offices in Peterlee and Bedfordshire. As more automotive software technologies emerge, including autonomous driving, advanced diagnostics, vehicle connectivity, digital cockpits the Company aims to gain a first-mover advantage by developing software solutions with the help of automotive software engineers. If the idea of making an impact on a project lifecycle sounds appealing from its inception down to testing and deployment appeals to you, keep on reading!
up to £85,000 per annum - Full Time Mon-Fri - Our Client provide remote diagnostic solutions and services to the automotive industry. They offer cutting-edge, expert diagnostics using both after-market and original equipment manufacturer tools to provide safe and accurate repairs. The company was founded in 2010 and is headquartered in Plano, TX with UK offices in Peterlee and Bedfordshire. As more automotive software technologies emerge, including autonomous driving, advanced diagnostics, vehicle connectivity, digital cockpits the Company aims to gain a first-mover advantage by developing software solutions with the help of automotive software engineers. If the idea of making an impact on a project lifecycle sounds appealing from its inception down to testing and deployment appeals to you, keep on reading!
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The Role: As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on premises platforms. You will play a key role in ensuring that all data systems comply with industry regulations and security standards while enabling efficient access for analytics and operational teams. A strong command of Apache NiFi is essential for this role. You will be expected to design, implement, and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. Youll work closely with cross-functional teams including data architects, compli
The Role: As a Data Platform Engineer in a highly regulated environment, you will be responsible for designing, building, and maintaining secure and scalable data infrastructure that supports both cloud and on premises platforms. You will play a key role in ensuring that all data systems comply with industry regulations and security standards while enabling efficient access for analytics and operational teams. A strong command of Apache NiFi is essential for this role. You will be expected to design, implement, and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. Youll work closely with cross-functional teams including data architects, compli
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We're on the lookout for a passionate Lead ServiceNow Developer to stimulate innovation, lead a hard-working team, and craft the future of digital transformation! Sopra Steria's Strategic Digital Services are once again growing their ServiceNow capability and are in the market for Lead ServiceNow Developers! We are seeking an experiencedLead ServiceNow Developerto drive the design, development, and implementation of ServiceNow solutions. In this role, you will direct a team of developers, collaborate with key stakeholders, and drive the successful delivery of scalable and efficient ServiceNow applications. You will be responsible for technical strategy, best practices, and innovative solutions to enhance business processes. We can offer great career progression opportunities, benefits which you can flex to meet your needs and training and development opportunities.
We're on the lookout for a passionate Lead ServiceNow Developer to stimulate innovation, lead a hard-working team, and craft the future of digital transformation! Sopra Steria's Strategic Digital Services are once again growing their ServiceNow capability and are in the market for Lead ServiceNow Developers! We are seeking an experiencedLead ServiceNow Developerto drive the design, development, and implementation of ServiceNow solutions. In this role, you will direct a team of developers, collaborate with key stakeholders, and drive the successful delivery of scalable and efficient ServiceNow applications. You will be responsible for technical strategy, best practices, and innovative solutions to enhance business processes. We can offer great career progression opportunities, benefits which you can flex to meet your needs and training and development opportunities.
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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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Android Mobile Engineer - Remote
Android Mobile Engineer - Remote
Halian Technology Limited
RG1, Reading
From £82,000 to £92,000 per annum
Halian Technology are searching for an Android Mobile Engineer to join our clients forward-thinking mobile team. Our client is one of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Lead Android engineering efforts on customer-facing apps used by millions across the UK. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists.
Halian Technology are searching for an Android Mobile Engineer to join our clients forward-thinking mobile team. Our client is one of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Lead Android engineering efforts on customer-facing apps used by millions across the UK. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists.
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Office Location: Hemel Hempstead - Hybrid Working - Salary: £70,000 - We are seeking a capable and business-savvyDynamics 365 CRM Product Managerto lead the strategy, design, and evolution of our CRM platform. This is a hybrid role that blends traditional product ownership responsibilities with deep platform expertiseincluding hands-on configuration, role management, and solution optimisation across the Dynamics 365 environment. You will act as the central point of contact for CRM functionality, ensuring alignment with business processes and championing continuous improvement through well-informed design and feature decisions. Product Ownership * Serve as the primary owner of the Dynamics 365 CRM product roadmap, prioritising features and enhancements in line with business goals. * Work closely with stakeholders across departments to understand process needs, pain poi
Office Location: Hemel Hempstead - Hybrid Working - Salary: £70,000 - We are seeking a capable and business-savvyDynamics 365 CRM Product Managerto lead the strategy, design, and evolution of our CRM platform. This is a hybrid role that blends traditional product ownership responsibilities with deep platform expertiseincluding hands-on configuration, role management, and solution optimisation across the Dynamics 365 environment. You will act as the central point of contact for CRM functionality, ensuring alignment with business processes and championing continuous improvement through well-informed design and feature decisions. Product Ownership * Serve as the primary owner of the Dynamics 365 CRM product roadmap, prioritising features and enhancements in line with business goals. * Work closely with stakeholders across departments to understand process needs, pain poi
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Application Support Engineer
Application Support Engineer
S-SA Digital Recruitment Ltd
MK41, Bedford
From £30,000 to £36,000 per annum
Location Bedford - Hybrid 1 day a week Office - NO VISA Application - Must be at least Indefinite leave to Remain, due to security clearance checks - Salary £30-38k Plus bens - Skills - Customer Support Engineer, application Support, Software Support, Low-Code, Web Development, software Development, HTML, CSS, JavaScript, APIs, SAAS, DevOps, PHP., Computer Science Graduate, Software Testing, A/B testing, ITIL - We are partnering a Leading SAAS Company who are building a Customer Support Team / Software Support Team where you'll support low-code workflow applications on their Intelligent SAAS based platform. My Client offers remote UK Working for the right candidate but must be able to attend the office (Bedfordshire) 2 time s a year for appraisals and Company wide meetings. As a Software support Engineer you'll bridge the gap between Development and the Client, Workin
Location Bedford - Hybrid 1 day a week Office - NO VISA Application - Must be at least Indefinite leave to Remain, due to security clearance checks - Salary £30-38k Plus bens - Skills - Customer Support Engineer, application Support, Software Support, Low-Code, Web Development, software Development, HTML, CSS, JavaScript, APIs, SAAS, DevOps, PHP., Computer Science Graduate, Software Testing, A/B testing, ITIL - We are partnering a Leading SAAS Company who are building a Customer Support Team / Software Support Team where you'll support low-code workflow applications on their Intelligent SAAS based platform. My Client offers remote UK Working for the right candidate but must be able to attend the office (Bedfordshire) 2 time s a year for appraisals and Company wide meetings. As a Software support Engineer you'll bridge the gap between Development and the Client, Workin
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Knowledge of FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, SoapUI.
Knowledge of FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, SoapUI.
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Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
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We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
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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.
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Software Engineering Manager (Hands-on .Net, AWS)
Software Engineering Manager (Hands-on .Net, AWS)
Hays
SL6, Maidenhead
£75000 - £85000 per annum + £75000 - £85000
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
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179 exact matches jobs are outside your preferred location
Senior JavaScript Engineer / Developer (Vue.js API) London to £100k - Apply now to find out more about this Senior JavaScript Engineer / Developer (JavaScript Vue.js API) opportunity.
Senior JavaScript Engineer / Developer (Vue.js API) London to £100k - Apply now to find out more about this Senior JavaScript Engineer / Developer (JavaScript Vue.js API) opportunity.
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Lead Python Developer, Backend Developer, GCP, Flask,API
Lead Python Developer, Backend Developer, GCP, Flask,API
Experis UK
London
£70000 - £90000 per annum + Benefits
£70-90k + Benefits - 2 days on site in North London - 3 days remote - I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. * Collaborate with cross-functional teams: Contribute to the development of new features by working alongside engineering, product management, design, and QA teams. * Promote best practices: Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code.
£70-90k + Benefits - 2 days on site in North London - 3 days remote - I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance, to develop cutting-edge features that power our platform. * Collaborate with cross-functional teams: Contribute to the development of new features by working alongside engineering, product management, design, and QA teams. * Promote best practices: Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code.
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Backend Software Engineer Java Kotlin AWS
Backend Software Engineer Java Kotlin AWS
Client Server
Shoreditch, EC2A 2AP
£100000 - £120000 per annum
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k
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