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        46 Permanent API jobs in Windsor + 20 miles

        492 exact matches jobs are outside your preferred location

        IT Business Analyst

        Octad Recruitment Consultants (Octad Ltd )
        BR1, Bromley
        From £40,000 to £60,000 per annum Good Benefits
        This vibrant and expanding company are looking for a Business Analyst to work closely with the CEO in this exciting phase of their expansion. , The Company is an end-to-end digital solution organisation. They are looking for an experienced Business Analyst to join theirteam. In this role, youll be the bridge between business needs and technical solutions - gathering requirements, analyzing processes, and delivering actionable insights that help guide product development and business strategy. The development team are based overseas in South Africa and Thailand, with the CTO and a systems manager/UAT person being the only UK based part of the team. This role is key in that it will be a senior and key member of the development team which will include architecture and strategy decisions. Collaborate with stakeholders to gather and define business requirements
        This vibrant and expanding company are looking for a Business Analyst to work closely with the CEO in this exciting phase of their expansion. , The Company is an end-to-end digital solution organisation. They are looking for an experienced Business Analyst to join theirteam. In this role, youll be the bridge between business needs and technical solutions - gathering requirements, analyzing processes, and delivering actionable insights that help guide product development and business strategy. The development team are based overseas in South Africa and Thailand, with the CTO and a systems manager/UAT person being the only UK based part of the team. This role is key in that it will be a senior and key member of the development team which will include architecture and strategy decisions. Collaborate with stakeholders to gather and define business requirements
        more

        Technical Business Analyst

        Ncounter LTD
        EC1, City of London
        From £120,000 to £150,000 per annum Bonus and package
        Ncounter is hiring a hybrid Technical Business Analyst / Project Manager to join a high-performance technology team delivering complex trading solutions across global markets. Youll play a pivotal role in shaping products that underpin real-time financial decision-making, working across engineering, research, and infrastructure groups. Whether your strengths lie in requirements analysis or delivery management, this role offers the chance to influence business-critical systems in a high-frequency trading environment. Where youll make an impact - Youll either join the analysis team, acting as the key translator between business goals and technical implementation, or take the reins on end-to-end project deliverydepending on your expertise and focus. * Capture and refine detailed business and technical requirements * Translate complex problems into structured, executable
        Ncounter is hiring a hybrid Technical Business Analyst / Project Manager to join a high-performance technology team delivering complex trading solutions across global markets. Youll play a pivotal role in shaping products that underpin real-time financial decision-making, working across engineering, research, and infrastructure groups. Whether your strengths lie in requirements analysis or delivery management, this role offers the chance to influence business-critical systems in a high-frequency trading environment. Where youll make an impact - Youll either join the analysis team, acting as the key translator between business goals and technical implementation, or take the reins on end-to-end project deliverydepending on your expertise and focus. * Capture and refine detailed business and technical requirements * Translate complex problems into structured, executable
        more
        London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
        London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
        more

        Business Analyst

        OpenSourced Ltd
        SW1, South West London
        From £40,000 to £55,000 per annum
        Are you a skilled Business Analyst with eCommerce experience looking to make a real impact? Want to work with big-name fashion, luxury, and homeware brands on cutting-edge digital projects? This leading London-based digital agency is growing fast and theyre looking for a talented Business Analyst to join their collaborative and forward-thinking team. This is your opportunity to shape the future of award-winning eCommerce websites. What Youll Be Doing - As a Business Analyst, youll help deliver high-performing eCommerce platforms by working across the full project lifecycle. Youll work alongside Project Managers, developers, designers, and Senior Business Analysts to define and deliver solutions that delight clients. * Gathering and refining client business requirements * Translating briefs into user stories with clear acceptance criteria
        Are you a skilled Business Analyst with eCommerce experience looking to make a real impact? Want to work with big-name fashion, luxury, and homeware brands on cutting-edge digital projects? This leading London-based digital agency is growing fast and theyre looking for a talented Business Analyst to join their collaborative and forward-thinking team. This is your opportunity to shape the future of award-winning eCommerce websites. What Youll Be Doing - As a Business Analyst, youll help deliver high-performing eCommerce platforms by working across the full project lifecycle. Youll work alongside Project Managers, developers, designers, and Senior Business Analysts to define and deliver solutions that delight clients. * Gathering and refining client business requirements * Translating briefs into user stories with clear acceptance criteria
        more

        Senior Software Engineer C# .Net - Asset Manager

        Client Server
        The City, EC4
        £100000 - £150000 per annum + bonus + benefits
        There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
        There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
        more
        NEWPREMIUM
        5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
        5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Experience developing REST API-driven mobile first web applications
        more
        NEW

        Software Developer

        S-SA Digital Recruitment Ltd
        MK12, Milton Keynes
        40k/year - 50k/year
        Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity
        Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity
        more

        Full Stack Developer

        Rise Technical
        London
        £60000.00 - £70000.00 per annum + + Equity
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        more
        NEW

        Full Stack Developer

        Rise Technical Recruitment Limited
        London
        £60000.00 - £70000.00 per annum + + Equity
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        more
        PREMIUM

        Full Stack Developer

        Rise Technical Recruitment Limited
        London
        £60000.00 - £70000.00 per annum + + Equity
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
        more
        PREMIUM

        Full Stack Lead Engineer

        Hunter Selection
        Soho, W1
        £60000 - £85000 per annum + health insurance life insurance
        Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
        Restful API development - React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code | React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 | SQS | Eventbridge | Restful API | API | SQL | NoSQL | messaging queues | WebSockets | DevOps | CI/CD | GitHub | WebAssembly | Infrastructure as Code
        more
        NEWFEATURED
        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
        more
        NEW

        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.
        more
        NEWFEATURED

        Software Engineer

        Parent TEST TJ Company 1
        Chandler's Ford, SO53 3QB
        38328
        You would be working on a variety of projects from Cloud Payment Gateways, API's, JSON and REST, New cloud microservices developments - there's a lot here to keep you busy. This includes: C#, .NET Framework, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure.
        You would be working on a variety of projects from Cloud Payment Gateways, API's, JSON and REST, New cloud microservices developments - there's a lot here to keep you busy. This includes: C#, .NET Framework, .NET Core, ASP.NET (core), API's RESTful Services, JSON, Docker, GIT (Bitbucket), OOP, SOLID, Cloud deployment and microservices, NoSQL and Oracle (SQL PL/SQL), AWS & Azure.
        more
        We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
        We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
        more
        Be the go-to technical authority for the backend API, from architecture through to delivery. Ensure our API meets the needs of both our smallest and largest enterprise clients.
        Be the go-to technical authority for the backend API, from architecture through to delivery. Ensure our API meets the needs of both our smallest and largest enterprise clients.
        more

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        Frequently Asked Questions

        How many permanent API jobs are there in Windsor?
        There are 46 permanent API jobs within 20 miles of Windsor available on CWJobs right now.

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