1 to 25 of 82 Permanent API Development Jobs in England

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … co-founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearlyMarkets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we’re building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You’ll Be Doing: You’ll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you’ll work cross-functionally to turn strategy into More ❯

driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

Scrum ) and thrive in a fast-paced, dynamic setting. They should have a keen interest in emerging technologies , staying ahead of industry trends, and be committed to continuous skill development . A professional and approachable demeanor is key, as is the ability to champion the adoption of innovative technologies within the team. Experience Good knowledge of Microsoft development technologies Visual Studio 2022 onwards Strong C#/.NET experience Net/.Net Core Web API development experience API documentation generation tools Experience using IoC containers SQL Server experience Experience using Entity Framework OOAD skills and good understanding of Design Patterns and Practices Web services (SOAP and/or WCF) Unit testing/Test Driven Development Distributed WinForms systems development Desirable Familiarity with DevOps tools for managing work items and source control, with TFS experience being a plus. Alternatively, experience working in a source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning More ❯

Scrum ) and thrive in a fast-paced, dynamic setting. They should have a keen interest in emerging technologies , staying ahead of industry trends, and be committed to continuous skill development . A professional and approachable demeanor is key, as is the ability to champion the adoption of innovative technologies within the team. Experience Good knowledge of Microsoft development technologies Visual Studio 2022 onwards Strong C#/.NET experience Net/.Net Core Web API development experience API documentation generation tools Experience using IoC containers SQL Server experience Experience using Entity Framework OOAD skills and good understanding of Design Patterns and Practices Web services (SOAP and/or WCF) Unit testing/Test Driven Development Distributed WinForms systems development Desirable Familiarity with DevOps tools for managing work items and source control, with TFS experience being a plus. Alternatively, experience working in a source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning More ❯

They are now looking to recruit a Senior Solutions Architect to be based at the Company's Central London Offices. You will extensive and deep Expertise in following Application Development areas: " Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. " Deep knowledge of Microservices, Containers … REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka " Solution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc. " Application dev experience with at least one of the cloud providers - Amazon AWS or MS Azure " Understanding of distributed computing paradigm … and exposure to building highly scalable systems. " Experience with platform modernization and cloud migration projects " Expertise in Agile development methodologies like TDD, BDD, Performance/Load testing etc. " DevOps experience - CI/CD, Test Automation, Containerization - tools and processes " Should be conversant with emerging technologies - chatbots, voice/conversational interfaces, RPA, Machine Learning, etc. " In-depth, hands-on experience More ❯

needs and aligning it to technology solutions Experience delivering solutions using an Agile/Scrum methodology Technical Requirements Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka Solution architect with … broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc. Application dev experience with at least one of the cloud providers - Amazon AWS or MS Azure Understanding of distributed computing paradigm and exposure to building highly scalable systems Experience with platform modernization and cloud migration projects … Expertise in Agile development methodologies like TDD, BDD, Performance/Load testing etc. DevOps experience - CI/CD, Test Automation, Containerization - tools and processes Should be conversant with emerging technologies - chatbots, voice/conversational interfaces, RPA, Machine Learning, etc. In-depth, hands-on experience in developing web/mobile applications or platform with either Java/J2EE or .NET More ❯

organisation in the manufacturing industry who are embarking on an exciting transformation project to develop a brand-new B2B solution that will replace our existing platform. While the core development will be outsourced, they're building a strong internal capability to support ongoing enhancements and ensure the solution evolves with our business needs. This is a fantastic opportunity to … be involved from the ground up and make a lasting impact. Your new role Collaborate closely with external development partners and internal stakeholders to ensure the new B2B solution is aligned with business requirements, scalable, and maintainable. Provide technical oversight during the development lifecycle and build in-house capabilities to support future enhancements, integrations, and continuous improvement initiatives. … What you'll need to succeed 1+ years in a similar role within a fast-paced warehousing or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with More ❯

organisation in the manufacturing industry who are embarking on an exciting transformation project to develop a brand-new B2B solution that will replace our existing platform. While the core development will be outsourced, they're building a strong internal capability to support ongoing enhancements and ensure the solution evolves with our business needs. This is a fantastic opportunity to … be involved from the ground up and make a lasting impact. Your new role Collaborate closely with external development partners and internal stakeholders to ensure the new B2B solution is aligned with business requirements, scalable, and maintainable. Provide technical oversight during the development lifecycle and build in-house capabilities to support future enhancements, integrations, and continuous improvement initiatives. … What you'll need to succeed 1+ years in a similar role within a fast-paced warehousing or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with More ❯

Azure, REST, Snowflake Roc Search have partnered with a global Insurance company who are looking for a Senior Developer to join their Reinsurance unit. The Position The Senior Developer, development, and implementation of technological solutions within the Reinsurance Segment. This role is critical in driving technical excellence, ensuring alignment with Lloyd's, PRA, and FSA regulatory frameworks. They are … have a real impact on the project. The successful candidate will ideally have experience within the Insurance/Reinsurance sector. Desired Skills At least 5+ years of rigorous application development and hands-on experience using Microsoft technologies stack At least 5+ years of hands-on experience with Microsoft .NET technologies and SQL Server Proficiency in C# .NET, React, JavaScript … architecture, cloud computing, and database design. Proficiency in modern UI state management modular development. In-depth experience in defects and enhancement management In-depth experience with product/application development lifecycle Proficiency in UI API development and integration. Proficiency in UI design & business process design. Experience working with authentication and authorization. Proficient in working with large data More ❯

opportunity for a talented Full-Stack Developer or AI Software Engineer with strong experience in Node.js, PHP, and Python to take ownership of innovative projects that blend AI, web development, and scalable cloud systems . This role is ideal for a developer who enjoys working across the stack from building APIs and scalable back-end systems to creating user … Kubernetes, and AWS/GCP/Azure Taking the technical lead reviewing code, mentoring others, and ensuring software quality What were looking for: Strong experience with Node.js and backend development Proven background in PHP (for backend services and integrations) Knowledge of Python for AI/ML integration and data processing Experience in Full-Stack Development including front-end … AI technology, innovation, and problem-solving Whats on offer: Salary £55,000 £70,000 DOE A key role in a growing, innovative digital team Exposure to cutting-edge AI development projects Opportunity to shape architecture and lead development strategy Career progression within a forward-thinking company This is an outstanding opportunity for a Full-Stack Developer/Node.js More ❯

exciting and rapidly evolving area of the business, they are looking for an Integration Developer to drive innovation and integration across their systems. Responsibilities: Design and develop scalable, efficient API features while ensuring best practices in security, architecture, and data governance. Collaborate with technical and non-technical stakeholders to align development with business and technology strategies. Participate in … code reviews and continuously identify opportunities for enhancement and innovation. Drive agile development by prioritising and refining the product backlog with key stakeholders. Establish and maintain best practices, development workflows, and team standards. Develop and maintain platform designs, process documentation, and solution overviews. Skills & Experience: Enterprise API Development - Experience building API Gateway solutions using REST More ❯

range of £30,000 - £50,000 The chance to contribute to an organisation making a meaningful social impact. Working within a supportive and mission-driven environment. Opportunities for professional development and career progression. Key Responsibilities Design, development, and implementation of modern, web-based applications. Drive improvements across codebases, development practices, and deployment processes. Build and manage APIs … and cloud platforms. Work within Agile and DevOps methodologies to deliver high-quality solutions. About You Proven experience in software development with expertise in C#, .NET, Azure, and SQL . Strong background in API development, cloud adoption frameworks, and modern architectures. Excellent problem-solving skills with the ability to thrive under pressure. Skilled in CI/CD More ❯

range of £30,000 - £50,000 The chance to contribute to an organisation making a meaningful social impact. Working within a supportive and mission-driven environment. Opportunities for professional development and career progression. Key Responsibilities Design, development, and implementation of modern, web-based applications. Drive improvements across codebases, development practices, and deployment processes. Build and manage APIs … and cloud platforms. Work within Agile and DevOps methodologies to deliver high-quality solutions. About You Proven experience in software development with expertise in C#, .NET, Azure, and SQL . Strong background in API development, cloud adoption frameworks, and modern architectures. Excellent problem-solving skills with the ability to thrive under pressure. Skilled in CI/CD More ❯

range of £30,000 - £80,000 The chance to contribute to an organisation making a meaningful social impact. Working within a supportive and mission-driven environment. Opportunities for professional development and career progression. Key Responsibilities Design, development, and implementation of modern, web-based applications. Drive improvements across codebases, development practices, and deployment processes. Build and manage APIs … and cloud platforms. Work within Agile and DevOps methodologies to deliver high-quality solutions. About You Proven experience in software development with expertise in C#, .NET, Azure, and SQL . Strong background in API development, cloud adoption frameworks, and modern architectures. Excellent problem-solving skills with the ability to thrive under pressure. Skilled in CI/CD More ❯

range of £30,000 - £80,000 The chance to contribute to an organisation making a meaningful social impact. Working within a supportive and mission-driven environment. Opportunities for professional development and career progression. Key Responsibilities Design, development, and implementation of modern, web-based applications. Drive improvements across codebases, development practices, and deployment processes. Build and manage APIs … and cloud platforms. Work within Agile and DevOps methodologies to deliver high-quality solutions. About You Proven experience in software development with expertise in C#, .NET, Azure, and SQL . Strong background in API development, cloud adoption frameworks, and modern architectures. Excellent problem-solving skills with the ability to thrive under pressure. Skilled in CI/CD More ❯

TDD, BDD) Seek out ways to measure the impact your solutions have on the business and use them to inform future workSkills and Experience Specification Essential : Experience of application development using Python (FastAPI desirable) Relevant qualifications and experience i.e. BSc in Computer Science or Engineering, Software Development certifications, etc. Demonstrable experience in configuring and developing complex software solutions … Strong understanding of object-oriented programming and test driven development (TDD and BDD) Strong understanding of agile software engineering practices Appetite for continual experimentation & learning Desirable : Experience of AWS or Azure Hands-on knowledge of Domain Driven Design (DDD) Some experience with frontend technologies such as HTML, CSS, HTMX, React Experience of C# with .NET Web and API development Understanding of git, CI/CD and DevOps practices and experience in Observability/monitoring Any knowledge of Actuarial/Commercial Insurance Some exposure to or interest in Terraform and deployment pipelines in AWS or Azure Awareness of modern software techniques such as integration patterns, microservices, containerisationWhat We OfferThe Tokio Marine HCC Group of Companies offers a More ❯

Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API development and modern system architectures At least 3 years' experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with More ❯

You'll help design and implement robust, secure systems, write clean and testable code, and support key architectural decisions. You'll also collaborate with cross-functional teams, contribute to API development, and mentor junior developers. There's potential to lead a small team and take ownership of a stream of work depending on your experience and goals. Key … using Java, TypeScript, and React-so flexibility and a passion for learning are key. Benefits: Salary up to £70k depending on experience 25 days' holiday + bank holidays Personal development budget Collaborative, supportive engineering culture Modern stack with evolving tech roadmap Opportunity to lead a small development team What Happens Next? Please either apply online or email me … only. We look forward to hearing from you! Key Skills: PHP, Symfony, MySQL, REST APIs, Microservices, JavaScript, React, Java, AWS, Docker, CI/CD, Git, Secure Coding, Test-Driven Development, Distributed Systems, Infrastructure as Code (CDK/Terraform), Linux/Bash More ❯

to agile ceremonies, code reviews, and DevOps pipelines. Ensure applications meet performance, security, and compliance standards. Support deployment and maintenance of services in secure environments. Key Skills & Experience Frontend & API Development: Node.js, React, Next.js TypeScript Express.js Docker Azure Web Apps Backend Development: Azure Function Apps (Node.js, TypeScript) Elasticsearch Kubernetes (AKS) Infrastructure & DevOps: Microsoft Azure: Cosmos DB, API … . What's on Offer £70,000 - £85,000 base salary Performance-based bonus Flexible working options Secure project environments Inclusive culture with access to DEI networks and continuous development This is a unique opportunity to contribute to national security through cutting-edge software engineering. If you're passionate about solving real-world problems in secure environments and want More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at or drop me a call for a confidential chat at . Senior Software Engineer | £55,000 - £65,000 | Cambridge | Python More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team? We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer More ❯

Director of Engineering, Web Application Development page is loaded Director of Engineering, Web Application Developmentlocations: London, United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: October 16, 2025 (30+ days left to apply)job requisition id: R Role Description This is a senior leadership position in the FTSE Russell Technology team. You'll be responsible … approach in delivery. Key Responsibilities Collaborate closely with the key FTSE Russell customers and provide overall technology engineering leadership, expertise, and mentorship to lead all aspects of a software development - Requirements, Business Analysis, Architecture, Planning & Execution Through strong engagement and demonstration of E2E Index lifecycle, design most appropriate technical solutions involving user interfaces, back-end interactions and process orchestrations … Develop and implement roadmap for platforms to deliver initiatives concerning key index business functions Architect, design and coordinate the development of sophisticated front-end tools and the back-end services Lead a team of engineers that are skilled on different stacks - Angular, Java, Python and SQL. Implement multi-cloud solutions to ensure flexibility, scalability, and reliability of infrastructure across More ❯