1 to 25 of 234 Permanent API Development Jobs in England

Data Platform Developer to support a major transformation programme. The role focuses on designing, building and supporting secure, cloud-native data integration and API solutions on Azure, including data ingestion and transformation with Azure Databricks, API development using Azure Functions (Python), and API governance through Azure … API Management (APIM). Working closely with architects, product owners and engineering teams, you will deliver scalable, secure and maintainable solutions while supporting the transition from legacy integrations to Azure‐managed dataflows. Strong SQL and Python skills are essential, with experience of PHP, Java, PL/ ...

support Infrastructure as Code (IaC) implementations. Participate in design reviews and peer code reviews. Troubleshoot application, platform and integration issues. Support deployments across development, testing and production environments. Contribute to CI/CD pipelines and deployment automation. Support monitoring, logging and observability capabilities. Produce technical documentation, operational procedures … team activities. Maintain awareness of emerging technologies and engineering best practices. About You You should have: Experience with cloud-native application development. Strong API development and REST API expertise. Experience designing and developing microservices architectures. Knowledge of event-driven architecture patterns. Hands-on Kubernetes experience. Experience with ...

integration patterns, standards and best practices across the technology estate Provide technical leadership and guidance to integration engineers and delivery teams Design and support API-led and event-driven integration architectures Develop and maintain APIs, interfaces and integration services connecting source systems, the Accounts platform and downstream consumers … Contribute to technical strategy, architectural decisions and continuous improvement of integration capability Support knowledge sharing, technical mentoring and engineering standards Requirements Strong experience in API and integration development Experience designing and implementing robust integration services Experience with event-driven architectures, event publication, consumption and asynchronous communication Understanding ...

Role: Development Manager - Digital & API Salary: Up to £100,000 per year + Bonus Location: Surrey Working Pattern: Hybrid - 2 days per week onsite (5 days per week during the first month) We're working with a well-established organisation embarking on a company-wide digital transformation programme … investing heavily in modern technology, API development and engineering capability. This is an excellent opportunity for an experienced Development Manager to lead Digital & API engineering teams through a significant period of change. You'll play a key role in driving modern engineering practices, supporting Agile delivery ...

backend services, APIs, and integrations that support millions of customer payment journeys every year. Own features end-to-end, taking responsibility for solution design, development, testing, deployment, and production support. Help shape the technical direction of the Payments platform, balancing performance, scalability, resilience, security, and cost through modern engineering … quality, testing, and maintainability. Proficient in driving operational excellence through observability and modern engineering practices. Highest-signal resume keywords Java Engineering Expertise Backend Service Development API Design and Integration CI/CD Implementation Observability and Monitoring Hard Skills Backend Development API Development System Design Scalable ...

.NET Developer – London - £500-550 per day (.NET, C#, SQL, AWS, API Development) We’re working with an industry leading e-commerce site that are looking for several .NET Developers to join them for an initial 6-month projects as part of an ongoing transformation. These roles will … hosted solutions. Working alongside existing engineering teams that already own the services and understand the business logic. Technical requirements C# .NET/.NET Core API development SQL .NET upgrade programmes Cloud-native migrations Interview slots are available for next week. (.NET, C#, SQL, AWS, API Development ...

Tech: ASP.NET MVC 5, Restful API, Angular, SQL, Azure Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known fintech50 business, 10 man flat Dev Team Pay: 75k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingLead ASP.NET MVC Developer FintechQuant is urgently … looking for a Lead ASP.NET MVC Developer to join our high profile client.Current challenges include cloud migration, greenfield trading platform development, and bank based API creation.Our client is well known in the WRAP and SIPP market as a full service provider.The environment is that of Facebook or Google ...

technology stack and wants exposure to enterprise-scale systems used by clients across multiple international markets. You will be involved in the full software development lifecycle, contributing to the development, maintenance, enhancement, and support of business-critical applications. The Role You will work closely with senior developers, technical … business stakeholders to deliver robust software solutions across a range of internal and client-facing platforms. The role offers a strong mix of: Backend development API development Database work Application support Technical improvements Collaboration across the wider business This is a hands-on development role suited ...

high-performance authentication and identity services used by millions of customers and colleagues. Own features end-to-end, taking responsibility for solution design, development, testing, deployment, monitoring, and production support. Help shape the technical direction of the Identity Platform, balancing customer experience, security, performance, and developer usability. Develop resilient … significant experience building and operating large-scale distributed systems serving millions of users. Strong experience with Java and/or Kotlin and modern backend development frameworks. in designing and delivering secure, scalable services within cloud-native environments. Strong understanding of DevOps principles, CI/CD pipelines, automation, and operational ...

Build and deploy prototypes, automations and production-ready features, integrating with internal Zencargo services, carrier platforms and third-party APIs. Use AI and modern development tools both to accelerate delivery and as a core part of the solutions you build. Work with structured and unstructured data, including emails, documents … Experience building and consuming APIs, webhooks and system integrations. Experience working with databases, data models and event-driven workflows. Fluent use of AI-assisted development tools as a core part of how you build. This is essential to the role. Strong product judgement: understands unfamiliar business processes quickly, embeds ...

technical leadership for the design, build, productionisation and ongoing operation of secure Django-based applications and supporting infrastructure. The role will establish the development processes, coding standards, API standards, security approach, RBAC model and application architecture needed for repeatable delivery. The developer will bring extensive experience in productionising … securing Django applications, embedding automated testing, CI/CD and agile development practices, and creating documentation to support Technical Design Authority (TDA), security assurance and operational handover. Responsibilities: · Lead the architecture, development and deployment of secure Django applications and associated infrastructure in Azure. · Define and embed Django development ...

Tech: C# .Net, ASP.NET, WPF, MySQL Challenge: Greenfield High Data Throughput platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 10 man flat Dev Team Pay: 80k, Bonus- training budget, Pension, Life/Health, Some Flex Working Development Team Lead Fintech Quant … Lead Developer will• Manage the Dev. team including recruitment • Build and deliver business requirements • Collaborate with Product Owner on defining development requirements and schedule • Become enlightened on the system architectureThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. ...

About the OpportunityWe are looking for an Engineering Manager to lead a high-performing, remote-first API development team based in Europe who are driving Contentful’s REST and GraphQL APIs that enable customers to manage and deliver content at scale. The role will focus on continuously evolving … driven capabilities. We aim to help customers accelerate innovation, reduce operational complexity, and unlock new growth opportunities through a secure, performant, and extensible API ecosystem.You’ll partner closely with cross-functional teams to ensure alignment between technical goals and business objectives, driving scalable, high-performance APIs that power Contentful ...

though also like the idea of the equally important social/client-facing aspect of the role. The role is responsible for defining the development architecture across a blend of in-house bespoke solutions and 3rdparty products and helping to shape the longer-term strategic development architecture … developing architecture strategy and target architecture model. You will be working closely with delivery team members to coach and promote best-practice solution development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority ...

that underpin our critical banking services.MAIN PURPOSE OF THE ROLE This is a hands‐on engineering role at the intersection of cloud platforms, software development, and AI enablement. You will design, develop, and support bespoke cloud and AI solutions across Azure, Oracle Cloud, and later AWS, applying strong engineering …/models, and applying AI services to real-world use cases.Strong knowledge of IAM, security patterns, governance, and compliance requirements.Preferred ExperienceExperience with Azure API Management or similar API gateways.Exposure to AI governance, model lifecycle controls, or responsible AI implementation in regulated environments.Knowledge of Foundry, vectorisation patterns ...

craft: clean code, well-designed APIs, comprehensive tests, and digital experiences that actually work beautifully for guests Key Responsibilities include: Front-End Feature Development Build and maintain features across Warner's guest-facing digital products using React and Next.js — implementing server-side rendering, static generation, and client-side interactions … features. Contribute to Club Warner loyalty platform features — enrolment flows, member personalisation, and loyalty mechanics — consuming APIs from back-end services. Back-End Microservice Development Design and build .NET 8/ASP.NET Core microservices that form the back-end of Warner's digital platform — implementing REST APIs, domain logic ...

Infrastructure as Code where required. Participate in peer code reviews and design reviews. Troubleshoot and resolve application and integration issues. Support deployment activities across development, test and production environments. Produce technical documentation and operational runbooks. Ensure solutions meet security, performance and resilience requirements. Collaborate with Platform Engineers, Security Engineers … Support production incidents and problem resolution as required. Maintain awareness of emerging technologies and engineering best practices. Key Skills & Experience Software Engineering Cloud-native Development API Development Microservices Architecture Event-driven Architecture Kubernetes Git CI/CD Infrastructure as Code DevSecOps Identity Standards (OAuth2, OIDC, SAML, SCIM ...

design, and software delivery across complex enterprise environments. Proven ability to lead architecture decisions from concept through implementation and operational adoption. Demonstrated experience designing API‐led, integration‐focused, and event‐driven solutions. Strong technical leadership with the ability to guide, mentor, and influence multidisciplinary teams. Experience managing … integration approaches. Experience within the Insurance sector, particularly Commercial Insurance or the London Market, is advantageous. Good‐to‐Have Skills AWS services including Lambda, API Gateway, SQS, SNS, and DynamoDB. Node.js and TypeScript development experience. Java and Spring Boot development experience. PostgreSQL and data persistence technologies. Apigee ...

sector to design and build technology solutions that make a genuine difference to users. We’re looking for an Azure Application Developer with strong API development experience to join our engineering team. You’ll work on complex client engagements, building secure, scalable and production ready solutions within Microsoft … design and build cloud native applications and APIs. This is a hands on role where you’ll take solutions from requirements and design through development, testing and into production. What You’ll Do Design, develop and maintain applications and RESTful APIs within Azure Build cloud native services using Azure ...

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 ...

Software Engineer, you will play a key role in designing, developing and enhancing business-critical applications and services.Working across backend and full-stack development, you'll help deliver secure, scalable solutions while collaborating with a talented team focused on solving complex technical challenges.What You'll Be Doing* Designing … solution design and technical architecture decisions* Developing and extending internal tools and platforms* Collaborating with engineering teams across software, networking and infrastructureAbout YouBackend Development* Commercial experience developing applications in Go (Golang)* Strong REST API development experience* PostgreSQL database experience* Knowledge of ORM frameworks, ideally GORM* Understanding ...

Architect with some Pre-Sales experience 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), KafkaSolution 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 ...

recruit a Senior Solutions Architect to 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 ...

maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns• Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews … environments• Software Engineering Fundamentals – Strong understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code• Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development• Frontend Development – Experience with ReactJS, Node.js ...

lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. This role is ideal for developers with strong technical expertise who are looking … portals using ASP.NET MVC/.NET Core Design and integrate REST APIs with internal and third-party services Implement secure authentication mechanisms (JWT, OAuth2, API Keys) Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database ...