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        3 Permanent API jobs in Leicester + 20 miles

        Software Engineer

        CURE TALENT LIMITED
        Loughborough, Leicestershire, LE11
        From £55,000 to £75,000 per annum Neg. DOE + Shares & Benefits
        Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. Developing next-generation optical monitoring solutions designed to deliver medical-grade physiological insights beyond the hospital environment, the business is now transitioning from research and development into industrialisation and regulated market entry. We have an opportunity for a Software Engineer to join the organisation at a pivotal point in its journey. This role will play a key part in developing the software ecosystem surrounding a next-generation wearable medical device platform, with a particular focus on SDK development, desktop applications and third-party integration. Working closely with firmware, hardware and data science teams, you will help translate advanced physiological monitoring technology into robust, compliant ...
        Cure Talent are delighted to be partnered with an emerging wearable medical technology company at a defining stage of its growth. Developing next-generation optical monitoring solutions designed to deliver medical-grade physiological insights beyond the hospital environment, the business is now transitioning from research and development into industrialisation and regulated market entry. We have an opportunity for a Software Engineer to join the organisation at a pivotal point in its journey. This role will play a key part in developing the software ecosystem surrounding a next-generation wearable medical device platform, with a particular focus on SDK development, desktop applications and third-party integration. Working closely with firmware, hardware and data science teams, you will help translate advanced physiological monitoring technology into robust, compliant ...
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        FEATURED
        We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses.
        We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses.
        more

        Senior iOS Developer

        UNIVERSITY OF LEICESTER
        Leicester, Leicestershire
        66200.00
        This is a technically led, hands on position where the Senior iOS Developer will influence architecture, mentor squads, and drive best practice across modern iOS development within a high traffic, enterprise scale environment. Key Responsibilities: Establish and influence architectural foundations for performant iOS applications. Design and implement features across white label iOS apps using Swift and SwiftUI. Mentor 1-2 iOS development squads, providing technical leadership and guidance. Collaborate with Product Owners, UX and Marketing to refine and deliver requirements. Review and continuously improve the iOS app offering. Manage deployments and oversee Azure DevOps build pipelines. Integrate RESTful APIs, backend services and complex deeplinking solutions. Work closely with architects to define standards and development approach.
        This is a technically led, hands on position where the Senior iOS Developer will influence architecture, mentor squads, and drive best practice across modern iOS development within a high traffic, enterprise scale environment. Key Responsibilities: Establish and influence architectural foundations for performant iOS applications. Design and implement features across white label iOS apps using Swift and SwiftUI. Mentor 1-2 iOS development squads, providing technical leadership and guidance. Collaborate with Product Owners, UX and Marketing to refine and deliver requirements. Review and continuously improve the iOS app offering. Manage deployments and oversee Azure DevOps build pipelines. Integrate RESTful APIs, backend services and complex deeplinking solutions. Work closely with architects to define standards and development approach.
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        151 exact matches jobs are outside your preferred location

        Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries. * Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
        Play a significant role in the design and development of our full system with embedded HSMs, client-side tools & API libraries. * Familiarity with full-stack from device drivers, to client-side tools & API libraries. (Some knowledge of hardware protocols.)
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        AI Software Engineer, Firebase, GCP, COR7557C

        Corriculo Ltd
        Birmingham, West Midlands, B2
        £75k - 100k per year + Stock Options
        Building on Firebase, using Claude API and leading LLMs, the AI Software Engineer will build the end-to-end architecture, security, performance and integration.
        Building on Firebase, using Claude API and leading LLMs, the AI Software Engineer will build the end-to-end architecture, security, performance and integration.
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        Senior Azure Integration Engineer - .NET, Azure, AI

        Intelligent Talent Solutions Ltd
        Birmingham, West Midlands, B2
        From £60,000 to £70,000 per annum 8% bonus, 7% company pension, medica
        This role is ideal for someone with a strong Azure integration and API engineering background who is looking to build further experience across Azure AI and OpenAI-enabled services. * Design and build API-led integration solutions within Azure * Experience with APIs, Azure Functions, Service Bus or API Management
        This role is ideal for someone with a strong Azure integration and API engineering background who is looking to build further experience across Azure AI and OpenAI-enabled services. * Design and build API-led integration solutions within Azure * Experience with APIs, Azure Functions, Service Bus or API Management
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        Head of IT

        Brellis Recruitment
        Mansfield, Nottinghamshire, NG19
        £50k - 60k per year
        Engage confidently with third-party software developers, portal and API suppliers, and automation vendors — pushing back where needed
        Engage confidently with third-party software developers, portal and API suppliers, and automation vendors — pushing back where needed
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        Senior Software Engineer (C#/Azure/React - Full Stack)

        ZENZO DIGITAL LTD
        Peterborough (PE1)
        Up to £65,000 per annum + 28 Days Holiday + Benefits
        Experience with state management (Redux, Context API or similar) * Secure development principles (authentication, authorisation, API security)
        Experience with state management (Redux, Context API or similar) * Secure development principles (authentication, authorisation, API security)
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        NEW
        Our client based in Sheffield is seeking an experienced Lead Software Developer to join their growing engineering team. This is an excellent opportunity for a senior technologist who combines hands-on software development expertise with strong technical leadership skills. Working within a modern cloud-first environment, you will lead the design, development, and evolution of business-critical applications and services built on Microsoft technologies. You will play a key role in shaping technical direction, driving engineering best practices, mentoring developers, and ensuring the successful delivery of high-quality software solutions. Key Responsibilities * Lead the design, development, and delivery of scalable backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) * Define and influence software architecture, technical standards, and development ...
        Our client based in Sheffield is seeking an experienced Lead Software Developer to join their growing engineering team. This is an excellent opportunity for a senior technologist who combines hands-on software development expertise with strong technical leadership skills. Working within a modern cloud-first environment, you will lead the design, development, and evolution of business-critical applications and services built on Microsoft technologies. You will play a key role in shaping technical direction, driving engineering best practices, mentoring developers, and ensuring the successful delivery of high-quality software solutions. Key Responsibilities * Lead the design, development, and delivery of scalable backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) * Define and influence software architecture, technical standards, and development ...
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        FEATURED

        MuleSoft & Salesforce Agentic Engineer

        Arbuthnot Latham & Co., Limited
        Fordhouses, Wolverhampton (WV10), WV10 7EL
        Unspecified
        The role will deliver secure, scalable API integrations using MuleSoft, define and publish Open API standards for customers and suppliers, and design, build and operate Salesforce agentic agents to support business workflows. MuleSoft Integration & API Delivery * Design, build and implement new API-led integrations using MuleSoft, following API-led connectivity principles (System, Process and Experience APIs). * Own API lifecycle management, including design standards, versioning, deprecation and documentation. Open API Standards & Partner Enablement * Define, document and publish a set of Open API standards for use by customers, suppliers and third-party partners. * Proven experience building and maintaining API-led architectures, including RESTful APIs and OpenAPI specifications. * Strong understanding of API security, authentication mechanisms and integration monitoring.
        The role will deliver secure, scalable API integrations using MuleSoft, define and publish Open API standards for customers and suppliers, and design, build and operate Salesforce agentic agents to support business workflows. MuleSoft Integration & API Delivery * Design, build and implement new API-led integrations using MuleSoft, following API-led connectivity principles (System, Process and Experience APIs). * Own API lifecycle management, including design standards, versioning, deprecation and documentation. Open API Standards & Partner Enablement * Define, document and publish a set of Open API standards for use by customers, suppliers and third-party partners. * Proven experience building and maintaining API-led architectures, including RESTful APIs and OpenAPI specifications. * Strong understanding of API security, authentication mechanisms and integration monitoring.
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        FEATURED

        Lead JavaScript/TypeScript Software Engineer

        RedTech Recruitment Ltd
        Denton, Peterborough (PE1), PE1 1AB
        £60,000 to £80,000 per annum + brilliant benefits - free gym, healthca
        Keywords: Lead Software Engineer / Senior Software Engineer / Full Stack Engineer / Full Stack Developer / JavaScript Developer / TypeScript Developer / Backend Engineer / Frontend Engineer / Software Architect / Technical Lead / Product Software Engineer / Systems Engineer / JavaScript / TypeScript / Node.js / NestJS / Angular / Linux / REST API / SQL / Databases / C++ / Python / Raspberry Pi / Event-Driven Architecture / Software Development / Software Engineering / System Design / API Development
        Keywords: Lead Software Engineer / Senior Software Engineer / Full Stack Engineer / Full Stack Developer / JavaScript Developer / TypeScript Developer / Backend Engineer / Frontend Engineer / Software Architect / Technical Lead / Product Software Engineer / Systems Engineer / JavaScript / TypeScript / Node.js / NestJS / Angular / Linux / REST API / SQL / Databases / C++ / Python / Raspberry Pi / Event-Driven Architecture / Software Development / Software Engineering / System Design / API Development
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        Senior Integration Engineer

        ifndautoparts
        Silverstone, Towcester (NN12), NN12 8GX
        Unspecified
        This role combines software engineering, systems architecture, API development, data mapping, automation, and technical problem-solving. The goal is to identify the most effective onboarding approach for each seller, whether that involves API connectivity, bulk uploads, existing integrations, middleware solutions, or building reusable integrations where there is long-term value. Seller API Supporting businesses and developers who wish to integrate directly with the ifndautoparts Seller API. This may include existing integrations, custom-built integrations, data feeds, middleware solutions, or direct API connectivity depending on the seller's requirements. * Utilise and extend the ifndautoparts Seller API to support business seller onboarding and inventory synchronisation. * Assist external developers and technical contacts in integrating with the ifndautoparts API.
        This role combines software engineering, systems architecture, API development, data mapping, automation, and technical problem-solving. The goal is to identify the most effective onboarding approach for each seller, whether that involves API connectivity, bulk uploads, existing integrations, middleware solutions, or building reusable integrations where there is long-term value. Seller API Supporting businesses and developers who wish to integrate directly with the ifndautoparts Seller API. This may include existing integrations, custom-built integrations, data feeds, middleware solutions, or direct API connectivity depending on the seller's requirements. * Utilise and extend the ifndautoparts Seller API to support business seller onboarding and inventory synchronisation. * Assist external developers and technical contacts in integrating with the ifndautoparts API.
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        What is the average salary for API in Leicester?

        Average salary per year
        £42,499

        The average salary for a API in Leicester is £42,499. API in Leicester salaries range from £33,124 to £47,499.

        Frequently Asked Questions

        How many permanent API jobs are there in Leicester?
        There are 3 permanent API jobs within 20 miles of Leicester available on CWJobs right now.

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