14 of 14 API Development Jobs in the North West

Senior Developer, Back End, API, .Net SQL, NW London to £80K (office based role) A Senior Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed … required with expertise in .NET, C#/VB, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities ...

applications – Build robust, scalable applications using Java/Springboot, 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 Java, Spring Boot, Maven, and Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development ...

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 ...

looking for an experienced Mid-Level Full Stack Developer to join our engineering team and play a significant role in the design, development, and delivery of our products. This role is ideal for someone at the upper end of mid-level, with strong commercial experience across both frontend … backend development who is ready to take real ownership of their work. You will deliver features end to end with minimal supervision, contribute to technical and design decisions, and help raise standards across the team. The role combines hands-on development with a growing influence ...

technical strategy Work within a senior, AI-first engineering environment KEY POINTS Senior technical leadership role with significant architectural ownership Leading the design and development of a modern platform rebuild Strong focus on Node.js, TypeScript, React and cloud technologies Opportunity to shape engineering standards, architecture and AI adoption ABOUT … technologies and cloud infrastructure. Working closely with Product teams, stakeholders and fellow engineers, you'll help establish engineering standards, drive adoption of AI-assisted development practices and provide technical mentorship across the team. The organisation has embraced an AI-first approach to software engineering, making extensive use of modern ...

minimum, candidates must have proven technical skills in at least one (ideally several) of the following: • Containerisation/Container Security; • Microservice Architectures; • API Development, REST, Swagger, OpenAPI, gRPC; • Cloud platforms and technologies, AWS, (e.g. Lambda, API Gateway, EKS), Azure, Google Cloud Platform (GCP); • Cloud native Apps, Kubernetes … Spark; • RedHat Enterprise Linux, CentOS, Debian or Ubuntu. • Java 8, Spring framework (preferably Spring boot), AMQP - RabbitMQ, • Open source technologies; • Experience of Agile software development (SAFe, Scrum, Kanban, etc) • Experience writing technical documentation such as LLDs, user guides, release notes etc All applicants must hold or be prepared ...

make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect … your team \n Desired Skills and Experience \n Core Software Engineering \n JavaScript frameworks (React, NextJS) \n TypeScript \n Python \n Java \n REST API development \n OpenAPI/Swagger \n Cloud & Infrastructure \n Cloud services (AWS or Azure) \n Containerisation & Orchestration (Docker, Kubernetes, OpenShift) \n Infrastructure ...

Required Skills and Experience \n \n \n Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java \n \n REST API development & OpenAPI/Swagger \n \n Cloud services (AWS or Azure) \n \n Containerisation & Orchestration (Docker, Kubernetes, OpenShift) \n \n Infrastructure as Code … e.g. Mocha, Jest, Cypress) \n\n We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. ...

Applied AI engineering, ML engineering or software engineering background ·Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning ·Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks ·Experience with vector databases such as Pinecone, Chroma or similar ·API development experience, ideally with FastAPI ...

architecture and technologies in AWS environments. Experience with web application services such as NGINX, Apache, JBoss. Experience of Test Driven or Behaviour Driven development. API development and integration (preferably using Go but not essential). Experience with monitoring systems e.g., ELK, Nagios, New Relic, DataDog, Splunk etc. Working ...

based workflows or applications including pipelines, models and platform components. Strong engineering practices including proficiency in Python and demonstrable use of AI assisted development tools to improve code quality and delivery pace. Hands-on experience with: Cloud platforms and infrastructure (AWS preferred) - including Infrastructure as Code Container and orchestration … solutions. Ability to evaluate new tools or technologies critically, using evidence and sound judgement to assess their effectiveness and suitability. Desirable criteria Familiarity with API development frameworks (FastAPI or equivalent). Experience building with Generative AI and agentic frameworks (e.g. LangChain, LangGraph, PydanticAI) and managed AI services (e.g. ...

Strong understanding of system design, data structures, and algorithmic principles. Experience with concurrency, inventory management/reservation, currency/price management, and third‐party API integration system designs with pull/push normalization. High familiarity with microservices design, employing software DSLs for cloud‐deployed solutions across numerous models, concerns … integrations. Expertise in GraphQL and RESTful API development and deployment. Experience developing multi‐tenant systems, addressing access control, reporting, and authentication/authorization concerns. Comfortable working in high‐growth, early‐stage environments with a bias toward action and strong product sense. Collaborative teammate who communicates clearly ...

build secure, resilient and maintainable systems in complex organisational environments. Strong engineering practices including proficiency in Python and demonstrable use of AI assisted development tools to improve code quality and delivery pace. Significant hands-on experience with: cloud platforms and infrastructure (AWS preferred) - including Infrastructure as Code; container … orchestration tools (e.g. Docker, Kubernetes), API development frameworks (FastAPI or equivalent); Experience of working collaboratively in multidisciplinary teams, translating a range of user, product and research needs into practical engineering solutions. Demonstrable experience of providing technical leadership to other engineers, mentoring, reviewing code, setting standards and improving engineering ...

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 environ click apply for full job details ...