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7 Permanent API jobs in Esher + 10 miles

525 exact matches jobs are outside your preferred location

Senior .Net Developer

Halian Technology Limited
W1, Central London
From £70,000 to £75,000 per annum Plus benefits
We are seeking a highly skilled Senior .NET Developer to join my clients growing technology team. This role requires strong expertise in .NET development, deep knowledge of SQL and database management, and a solid understanding of software architecture and solution design. Experience in the payments and e-card industry is highly desirable. You will get the opportunity to work with global and worldwide brands such as Google, Sony and Visa to name of the many organisations. Key Responsibilities * Design, develop, and maintain scalable and robust .NET applications. Lead the implementation of technical solutions aligned with business goals. * Optimize and manage complex SQL databases and ensure data integrity and performance. * Collaborate with cross-functional teams including Product, QA, and DevOps.
We are seeking a highly skilled Senior .NET Developer to join my clients growing technology team. This role requires strong expertise in .NET development, deep knowledge of SQL and database management, and a solid understanding of software architecture and solution design. Experience in the payments and e-card industry is highly desirable. You will get the opportunity to work with global and worldwide brands such as Google, Sony and Visa to name of the many organisations. Key Responsibilities * Design, develop, and maintain scalable and robust .NET applications. Lead the implementation of technical solutions aligned with business goals. * Optimize and manage complex SQL databases and ensure data integrity and performance. * Collaborate with cross-functional teams including Product, QA, and DevOps.
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Functional Consultant - D365 Field Service

Kinetech Recruitment
EC1V, City of London, EC1V 2NX
Up to £60,000 per annum + Bonus + Benefits
Functional Consultant Microsoft Dynamics 365 Field Service & CE - Fully Remote (UK-based) Salary up to £60,000 + bonus - An ambitious early-stage business is looking for a Functional Consultant for Dynamics 365 Field Service and other CE modules (Customer Service / Sales) a critical tool for the business. The Role - As Functional Consultant, you will take full ownership of Microsoft Dynamics Field Service product, acting as the vital link between business operations and technical solutions. You will manage change requests, and oversee the integration of acquired businesses into the group platform. Key Responsibilities * Help to define Product Strategy:Shape the vision and roadmap for the Dynamics 365 Field Service to support business growth. * Collaborate with Stakeholders:Gather, prioritise, and translate business needs into detailed plans.
Functional Consultant Microsoft Dynamics 365 Field Service & CE - Fully Remote (UK-based) Salary up to £60,000 + bonus - An ambitious early-stage business is looking for a Functional Consultant for Dynamics 365 Field Service and other CE modules (Customer Service / Sales) a critical tool for the business. The Role - As Functional Consultant, you will take full ownership of Microsoft Dynamics Field Service product, acting as the vital link between business operations and technical solutions. You will manage change requests, and oversee the integration of acquired businesses into the group platform. Key Responsibilities * Help to define Product Strategy:Shape the vision and roadmap for the Dynamics 365 Field Service to support business growth. * Collaborate with Stakeholders:Gather, prioritise, and translate business needs into detailed plans.
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Java Backend Developer

Responsiv Solutions Ltd.
RG12, Bracknell
Unspecified
If you have skills in API and Web product development, we need YOU to enhance our capabilities, become embedded within Responsiv, and deliver on technical projects. You should be self-motivated, proactive, and eager to learn, with strong API and web development skills.
If you have skills in API and Web product development, we need YOU to enhance our capabilities, become embedded within Responsiv, and deliver on technical projects. You should be self-motivated, proactive, and eager to learn, with strong API and web development skills.
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About Altitude Angel - The end of 2024 marked a decade of Altitude Angel a journey driven by innovation, collaboration and a shared vision of shaping future skies with the safe and unsegregated integration of uncrewed aviation. Since the beginnings in 2014, weve transformed the landscape of drone and airspace management, delivering future proof solutions to connect skies and communities safely and efficiently. By laying the foundations for the safe integration of Uncrewed Aerial Systems (UAS) into shared airspace, were paving the way for the future of Advanced Air Mobility (AAM) and fully integrated airspace. About the Role - Working with our talented technical and commercial teams, you will lead the ideation, design, delivery and iteration of our GuardianUTM platform, fulfilling our vision of Automated Flight Everywhere, For Everyone and enabling the safe integration
About Altitude Angel - The end of 2024 marked a decade of Altitude Angel a journey driven by innovation, collaboration and a shared vision of shaping future skies with the safe and unsegregated integration of uncrewed aviation. Since the beginnings in 2014, weve transformed the landscape of drone and airspace management, delivering future proof solutions to connect skies and communities safely and efficiently. By laying the foundations for the safe integration of Uncrewed Aerial Systems (UAS) into shared airspace, were paving the way for the future of Advanced Air Mobility (AAM) and fully integrated airspace. About the Role - Working with our talented technical and commercial teams, you will lead the ideation, design, delivery and iteration of our GuardianUTM platform, fulfilling our vision of Automated Flight Everywhere, For Everyone and enabling the safe integration
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Senior .NET Engineer

InterQuest Group (UK) Limited
London
£75k - 85k per year
You will bring with you prior experience of developing Web API based applications written in .NET Framework or .NET Core, working in medium sized development teams utilizing features such as Azure web apps, SQL PaaS databases, blob storage, service bus, and other Azure services.
You will bring with you prior experience of developing Web API based applications written in .NET Framework or .NET Core, working in medium sized development teams utilizing features such as Azure web apps, SQL PaaS databases, blob storage, service bus, and other Azure services.
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Back-End Developer

In Technology Group Limited
RG1, Reading
£46000 - £60000 per annum + Benefits
Job Title: Back-End Developer - Location: Reading (Hybrid) Salary: Up to £60,000 DOE - Are you passionate about building powerful backend systems that drive real-world impact? Benefits! Hybrid Flexibility - Balance office time and remote work your way? Modern Tech Stack - Node.js, Python, .NET, cloud-native tools & more? Career Development - Ongoing training, mentorship, and progression? Innovative Projects - Get hands-on with meaningful, high-impact work * Build Robust Backends - Design and develop high-performance APIs and services * Data Management - Work with SQL and NoSQL databases (PostgreSQL, MongoDB, etc.) * Cloud Deployment - Deploy scalable apps via AWS, Azure, or GCP * Implement DevOps Practices - CI/CD pipelines, Docker, Kubernetes * Collaborate Across Teams - Work with product & frontend devs to deliver end-to-end solutions
Job Title: Back-End Developer - Location: Reading (Hybrid) Salary: Up to £60,000 DOE - Are you passionate about building powerful backend systems that drive real-world impact? Benefits! Hybrid Flexibility - Balance office time and remote work your way? Modern Tech Stack - Node.js, Python, .NET, cloud-native tools & more? Career Development - Ongoing training, mentorship, and progression? Innovative Projects - Get hands-on with meaningful, high-impact work * Build Robust Backends - Design and develop high-performance APIs and services * Data Management - Work with SQL and NoSQL databases (PostgreSQL, MongoDB, etc.) * Cloud Deployment - Deploy scalable apps via AWS, Azure, or GCP * Implement DevOps Practices - CI/CD pipelines, Docker, Kubernetes * Collaborate Across Teams - Work with product & frontend devs to deliver end-to-end solutions
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FEATURED
Full Stack Software Developer ASP.NET C# jQuery HTML5 SQL - The ideal candidatewill be responsible for building and maintaining internal and external facing web applications. You will be working in a team of experienced developers to build highly performing systems that improve efficiency. Teams use Agile Methodology and follow Scrum and Kanban Frameworks. *ASP.NET C# jQuery HTML5 SQL Azure GIT - Job requirements - Role Responsibilities * Maintain existing products and provide resolutions to Escalated Support Calls within the agreed SLAs * Require testing developments from end to end before passed to Acceptance Testing * Ability to adapt quickly to an existing, complex environment * Evaluate, redesign and modify existing program logic to quickly and efficiently meet and exceed customer needs, by integrating new requirements and by applying proven development paths
Full Stack Software Developer ASP.NET C# jQuery HTML5 SQL - The ideal candidatewill be responsible for building and maintaining internal and external facing web applications. You will be working in a team of experienced developers to build highly performing systems that improve efficiency. Teams use Agile Methodology and follow Scrum and Kanban Frameworks. *ASP.NET C# jQuery HTML5 SQL Azure GIT - Job requirements - Role Responsibilities * Maintain existing products and provide resolutions to Escalated Support Calls within the agreed SLAs * Require testing developments from end to end before passed to Acceptance Testing * Ability to adapt quickly to an existing, complex environment * Evaluate, redesign and modify existing program logic to quickly and efficiently meet and exceed customer needs, by integrating new requirements and by applying proven development paths
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Full Stack .Net Developer (Umbraco CMS)

Hays Technology
Southampton, Hampshire
£45000 - £55000 per annum + £45000 - £55000
You'll be responsible for the ongoing development of their core digital developments, mainly based on .Net framework and API Integrations. Also Web API & Azure technologies.
You'll be responsible for the ongoing development of their core digital developments, mainly based on .Net framework and API Integrations. Also Web API & Azure technologies.
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FEATURED

Platform Engineering Lead

Henderson Scott
EC1, City of London
£100000 - £900000 per annum
Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. * Strong background in JavaScript frameworks, microservices, and API development.
Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. * Strong background in JavaScript frameworks, microservices, and API development.
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FEATURED
* 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM) * Strong programming skills in languages such as Go, Java, or C++ * Proficient in building microservices and working with REST/gRPC APIs * Experience in Docker and Kubernetes in deploying services over public or private clouds * Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series
* 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM) * Strong programming skills in languages such as Go, Java, or C++ * Proficient in building microservices and working with REST/gRPC APIs * Experience in Docker and Kubernetes in deploying services over public or private clouds * Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series
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Staff Quality Engineer (Mobile Apps)

John Lewis Head Office
RG12, Bracknell
From £70,000 to £100,000 per annum
As the UKs most successful omni-channel retailer which includes two of the UKs most loved department store and grocery brands, with annual sales revenues in excess of £12B. The Partnership also includes a rapidly growing Financial Services business, with growth of 22% in 2022/23 - Our Engineering practice includes 60+ teams, working on everything from Cloud Platforms to Mobile Apps, from eCommerce functionality to Machine Learning. Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve their skills and keep abreast of the latest technologies. This advertised role, Senior Quality Engineer (Mobile), is known internally as Product Engineer (PL6). (Find out more about being a Product Engineer in the Partnership, and the technology we use.
As the UKs most successful omni-channel retailer which includes two of the UKs most loved department store and grocery brands, with annual sales revenues in excess of £12B. The Partnership also includes a rapidly growing Financial Services business, with growth of 22% in 2022/23 - Our Engineering practice includes 60+ teams, working on everything from Cloud Platforms to Mobile Apps, from eCommerce functionality to Machine Learning. Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve their skills and keep abreast of the latest technologies. This advertised role, Senior Quality Engineer (Mobile), is known internally as Product Engineer (PL6). (Find out more about being a Product Engineer in the Partnership, and the technology we use.
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* 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM) * Strong programming skills in languages such as Go, Java, or C++ * Proficient in building microservices and working with REST/gRPC APIs * Experience in Docker and Kubernetes in deploying services over public or private clouds * Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series
* 6+ years of hands-on development experience with 5G SBA network functions (e.g., AMF, SMF, NRF, PCF, UDM) * Strong programming skills in languages such as Go, Java, or C++ * Proficient in building microservices and working with REST/gRPC APIs * Experience in Docker and Kubernetes in deploying services over public or private clouds * Solid understanding of 3GPP specs (especially TS 23.501, 23.502, 29.500+ series
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Senior Product Owner - FX

Halian Technology Limited
W1, Central London
From £80,000 to £95,000 per annum
My client is seeking a Senior Product Owner with deep FX experience to own and drive the development of our FX and treasury-related products. You will work across cross-functional teams to shape our product strategy, with a focus on FX-as-a-Service, liquidity integration, deposit innovation (including zero-deposit solutions), forwards, and hedging products. This role demands a blend of strategic thinking, market understanding, and hands-on delivery skills. You'll be working closely with engineering, sales, operations, and external partners to deliver high-impact solutions that meet customer needs and strengthen our market position. Key Responsibilities * Own the end-to-end product lifecycle for FX and treasury products, from ideation to delivery and ongoing optimization. o FX-as-a-Service capabilities - o Integrated liquidity partnerships (e.g., with Tier 1 providers,
My client is seeking a Senior Product Owner with deep FX experience to own and drive the development of our FX and treasury-related products. You will work across cross-functional teams to shape our product strategy, with a focus on FX-as-a-Service, liquidity integration, deposit innovation (including zero-deposit solutions), forwards, and hedging products. This role demands a blend of strategic thinking, market understanding, and hands-on delivery skills. You'll be working closely with engineering, sales, operations, and external partners to deliver high-impact solutions that meet customer needs and strengthen our market position. Key Responsibilities * Own the end-to-end product lifecycle for FX and treasury products, from ideation to delivery and ongoing optimization. o FX-as-a-Service capabilities - o Integrated liquidity partnerships (e.g., with Tier 1 providers,
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Senior Full Stack Web Developer

Profile 29
IG10, Loughton
From £90,000 to £120,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
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Full-Stack Developer - React.js

Connexa
MK1, Milton Keynes
£40000 - £50000 per annum + 20% Bonus
Junior Full Stack Developer - React.js - Location: Milton Keynes - Working Structure: Hybrid (1 day onsite per week) Job Type: Full-time, Permanent - Are you passionate about front-end development and ready to build high-impact public sector solutions? We're seeking a Junior Full Stack Developer with a front-end focus (React.js) to join our growing, highly skilled team. You'll spend most of your time building engaging, responsive web applications in React.js, while gaining experience working across the full stack with Java and Python back-end services. * Develop and maintain modern, user-focused front-end applications using React.js and TypeScript. * Contribute to full-stack development (20-30%) using Java and Python for APIs and server-side services. * Collaborate with solution architects, designers, and clients to deliver high-quality, scalable software solutions.
Junior Full Stack Developer - React.js - Location: Milton Keynes - Working Structure: Hybrid (1 day onsite per week) Job Type: Full-time, Permanent - Are you passionate about front-end development and ready to build high-impact public sector solutions? We're seeking a Junior Full Stack Developer with a front-end focus (React.js) to join our growing, highly skilled team. You'll spend most of your time building engaging, responsive web applications in React.js, while gaining experience working across the full stack with Java and Python back-end services. * Develop and maintain modern, user-focused front-end applications using React.js and TypeScript. * Contribute to full-stack development (20-30%) using Java and Python for APIs and server-side services. * Collaborate with solution architects, designers, and clients to deliver high-quality, scalable software solutions.
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FEATUREDNEW

Python Developer

Digital Appointments
HP11, High Wycombe, HP11 2DH
to £42000
This well-established and pioneering data platform company is seeking a talented Python Developer to join their innovative and growing team. This is a fantastic opportunity to contribute to a cutting-edge platform in a predominantly remote role, offering an excellent work-life balance. There will be a need to visit the office around twice a month - Our client is at the forefront of data solutions, and they are looking for a Python Developer with robust experience, particularly with FastAPI, to help build and enhance their sophisticated systems. If you are passionate about clean code, scalable architecture, and working with modern technologies, this role is for you. * Designing, developing, and maintaining high-quality, scalable, and efficient Python code. * Building and integrating robust APIs, with a strong focus on FastAPI.
This well-established and pioneering data platform company is seeking a talented Python Developer to join their innovative and growing team. This is a fantastic opportunity to contribute to a cutting-edge platform in a predominantly remote role, offering an excellent work-life balance. There will be a need to visit the office around twice a month - Our client is at the forefront of data solutions, and they are looking for a Python Developer with robust experience, particularly with FastAPI, to help build and enhance their sophisticated systems. If you are passionate about clean code, scalable architecture, and working with modern technologies, this role is for you. * Designing, developing, and maintaining high-quality, scalable, and efficient Python code. * Building and integrating robust APIs, with a strong focus on FastAPI.
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Software Engineer - React

Halian Technology Limited
W1, Central London
From £60,000 to £70,000 per annum
My client is an innovative fintech company at the forefront of transforming financial services through cutting-edge technology. We aim to build seamless, secure, and scalable solutions that simplify the world of finance for our clients. They are collaborative and agile team thrives in a fast-paced environment, and they're looking for a talented Frontend Engineer to join their growing development team. As a Frontend Engineer, you will play a key role in developing user-friendly, high-performance, and responsive web applications. You will work closely with product managers, backend engineers, and designers to create modern, feature-rich applications that integrate seamlessly with cloud-based services. You will leverage your expertise in React, TypeScript, and AWS to build scalable and maintainable solutions that power financial applications.
My client is an innovative fintech company at the forefront of transforming financial services through cutting-edge technology. We aim to build seamless, secure, and scalable solutions that simplify the world of finance for our clients. They are collaborative and agile team thrives in a fast-paced environment, and they're looking for a talented Frontend Engineer to join their growing development team. As a Frontend Engineer, you will play a key role in developing user-friendly, high-performance, and responsive web applications. You will work closely with product managers, backend engineers, and designers to create modern, feature-rich applications that integrate seamlessly with cloud-based services. You will leverage your expertise in React, TypeScript, and AWS to build scalable and maintainable solutions that power financial applications.
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Integration Developer

Comtecs
Moorgate, EC2
From £75,000 to £95,000 per annum +Bonus +Benefits
Develop Azure-based integration solutions using Logic Apps, Service Bus, Function Apps, API * Logic Apps, Service Bus, API Management
Develop Azure-based integration solutions using Logic Apps, Service Bus, Function Apps, API * Logic Apps, Service Bus, API Management
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Full Stack Developer

Verso Recruitment
Stewartby, MK43 9ND
£50,000-£70,000
Location: Stewartby, Bedfordshire (Office-based) Salary: £50,000-£70,000 + Benefits - Job Type: Full-time, Permanent - Sector: EV Charging | Cloud | Full Stack | IoT - Power the Future of EV Charging – Join a High-Performance Tech Team - We’re working with a UK-based innovator in the electric vehicle charging space to recruit a Full Stack Developer to play a central role in delivering the smart, connected infrastructure that underpins their growing product range. This is a hands-on, office-based role where you’ll work alongside hardware and firmware teams to build real-world IoT-enabled systems from the ground up. The company is known for its premium charge point design, smart user features, and direct partnerships with major automotive brands. The Role - You’ll lead the architecture, development, and maintenance of the cloud back-end systems, as well as supporting pr
Location: Stewartby, Bedfordshire (Office-based) Salary: £50,000-£70,000 + Benefits - Job Type: Full-time, Permanent - Sector: EV Charging | Cloud | Full Stack | IoT - Power the Future of EV Charging – Join a High-Performance Tech Team - We’re working with a UK-based innovator in the electric vehicle charging space to recruit a Full Stack Developer to play a central role in delivering the smart, connected infrastructure that underpins their growing product range. This is a hands-on, office-based role where you’ll work alongside hardware and firmware teams to build real-world IoT-enabled systems from the ground up. The company is known for its premium charge point design, smart user features, and direct partnerships with major automotive brands. The Role - You’ll lead the architecture, development, and maintenance of the cloud back-end systems, as well as supporting pr
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Frequently Asked Questions

How many permanent API jobs are there in Esher?
There are 7 permanent API jobs within 10 miles of Esher available on Totaljobs right now.
What other similar jobs are there to permanent API jobs in Esher?
As well as permanent API jobs in Esher, you can find permanent Service, Service Design, Developers, amongst many others.