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45 Permanent API jobs in East London + 20 miles
119 exact matches jobs are outside your preferred location
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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Develop and optimise ETL pipelines, data workflows and API integrations
Develop and optimise ETL pipelines, data workflows and API integrations
Senior Laravel Full Stack PHP Developer
Senior Laravel Full Stack PHP Developer
Anonymous Recruiter
RH2, Reigate
From £60,000 to £85,000 per annum Based on experience
Experience in API integrations, database optimisation, and server-side security
Experience in API integrations, database optimisation, and server-side security
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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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Strong expertise in API integration, data modelling, ingestion, and activation
Strong expertise in API integration, data modelling, ingestion, and activation
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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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API authentication (OAuth 2.0, Azure AD).
API authentication (OAuth 2.0, Azure AD).
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Backend & Data Proficiency: Skilled in Python, Node.js, PostgreSQL, MongoDB, and API security. * Security & Compliance: Strong understanding of GDPR, API authentication, and observability.
Backend & Data Proficiency: Skilled in Python, Node.js, PostgreSQL, MongoDB, and API security. * Security & Compliance: Strong understanding of GDPR, API authentication, and observability.
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Technical Agile Business Analyst/ Product Engineer
Technical Agile Business Analyst/ Product Engineer
Hays
London, EC3A 4BF
£50000.0 - £60000.0 per annum + 50000-60000
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
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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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Senior Digital Developer (Vue/React, .Net Core, Azure)
Senior Digital Developer (Vue/React, .Net Core, Azure)
Stott & May Professional Search Limited
London
£70000 - £80000 per annum + Benefits
Strong experience in API design and development, including RESTful APIs and OpenAPI/Swagger standards, using tools like Postman for testing and documentation.
Strong experience in API design and development, including RESTful APIs and OpenAPI/Swagger standards, using tools like Postman for testing and documentation.
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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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We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
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We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. Were seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. * Experience with authentication, authorization, and secure API communication (OAuth2, JWT, etc.). * Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses).
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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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Cambridge/ Hybrid 2x per week onsite| ?? £60,000£75,000| ?? SC or DV Clearance Required - Were working with a specialist technology consultancy delivering cutting-edge solutions into the UKs most secure government environments. Due to continued growth, theyre looking for a talented Data Engineer to join their secure data team and help solve complex, high-impact challenges. The role - Youll design and develop secure data pipelines and platforms, working on projects that process sensitive, mission-critical information. This is an opportunity to apply your technical skills in an environment where your work has a direct impact on national security. * Build and optimise scalable data pipelines, sourcing from APIs and external datasets, and merging them with other data sources to create unified models * Produce geospatial datasets for integration with visualisation tools, h
Cambridge/ Hybrid 2x per week onsite| ?? £60,000£75,000| ?? SC or DV Clearance Required - Were working with a specialist technology consultancy delivering cutting-edge solutions into the UKs most secure government environments. Due to continued growth, theyre looking for a talented Data Engineer to join their secure data team and help solve complex, high-impact challenges. The role - Youll design and develop secure data pipelines and platforms, working on projects that process sensitive, mission-critical information. This is an opportunity to apply your technical skills in an environment where your work has a direct impact on national security. * Build and optimise scalable data pipelines, sourcing from APIs and external datasets, and merging them with other data sources to create unified models * Produce geospatial datasets for integration with visualisation tools, h
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Level: Mid-Senior/Senior; Remuneration dependent upon experience - All applications should include a covering letter; references should also be available on request. Who We Are - Ochre is a music retail technology company, helping labels, artists, distributors, and brands to run their ecommerce operations. Growing from our roots in music D2C (direct-to-consumer) retail, we are becoming a leader in providing tailored and scalable ecommerce solutions for the music industry. We work with some of the worlds best labels and artists - including Warp, Oasis, Dirty Hit, Ninja Tune, Partisan Records, Anjuna and many, many more. We are a creative company dedicated to helping our clients succeed in music ecommerce through best-in-class tools and services. As we expand and develop, we want to find new team members who are not only skilled in their field - but also passionate abou
Level: Mid-Senior/Senior; Remuneration dependent upon experience - All applications should include a covering letter; references should also be available on request. Who We Are - Ochre is a music retail technology company, helping labels, artists, distributors, and brands to run their ecommerce operations. Growing from our roots in music D2C (direct-to-consumer) retail, we are becoming a leader in providing tailored and scalable ecommerce solutions for the music industry. We work with some of the worlds best labels and artists - including Warp, Oasis, Dirty Hit, Ninja Tune, Partisan Records, Anjuna and many, many more. We are a creative company dedicated to helping our clients succeed in music ecommerce through best-in-class tools and services. As we expand and develop, we want to find new team members who are not only skilled in their field - but also passionate abou
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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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UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
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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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Join us as a Data Platform Engineer for our client. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. At Peregrine, we find the best talent for our clients. As a permanent employee of Peregrine, with access to all our standard benefits, you will be deployed across our portfolio of clients as a specialist consultant, working on a wide array of complex projects across multiple industries. 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.
Join us as a Data Platform Engineer for our client. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. At Peregrine, we find the best talent for our clients. As a permanent employee of Peregrine, with access to all our standard benefits, you will be deployed across our portfolio of clients as a specialist consultant, working on a wide array of complex projects across multiple industries. 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.
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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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