23 of 23 API Development Jobs in Watford

Hybrid We are seeking an Integration Specialist to design, develop, and deploy integrations between cloud-based and third-party systems using AWS services like API Gateway, Lambda, EventBridge, and SQS. The role involves building scalable, secure integrations and collaborating with cross-functional teams to ensure efficient data flow and … best practices. Responsibilities: Develop and deploy integration solutions using AWS services (e.g., API Gateway, AWS Glue, Lambda, EventBridge, SNS, SQS). Write and maintain RESTful APIs using AWS API Gateway and Lambda (Java or C#). Develop and optimise AWS Lambda functions to support data integration processes, focusing … integration workflows, and Lambda functions. Assist in the configuration and customisation of integration workflows to meet business requirements. Participate in technical discussions related to API design, data flow, and integration strategies, contributing to design decisions. Follow best practices for code quality, writing clean, maintainable, and well-documented code that More ❯

Please note: This is a CONTRACT Opportunity About the Role Our client is on a mission to build a cutting-edge API management platform in AWS, and they need a Senior Integration Engineer to drive this initiative forward. This role is crucial in designing, implementing, and optimizing integrations across … ecosystem, ensuring seamless connectivity, security, and efficiency. If you thrive in cloud-native environments , have deep expertise in AWS services , and are passionate about API architecture and integrations , we’d love to hear from you! Key Responsibilities Architect and develop scalable, resilient, and secure integrations for our API management platform in AWS Design and implement API gateways, authentication mechanisms, and monitoring solutions Develop automation pipelines for API deployments and infrastructure management Collaborate with engineering teams to define best practices and governance for API lifecycle management Ensure compliance with security policies and standards, implementing robust More ❯

Solution Architect - AWS, API, Microservices, Remote, FinTech Salary - £100,000 + 10% Bonus + Benefits Location - London, Remote We're proud to represent a FinTech scale-up setting a new industry standard in their market. With ambitious plans to scale the platform over the next few years and support … understand business requirements and translate them into technical solutions Design and architect scalable, resilient, and secure microservices-based applications on AWS cloud platform. Develop API strategies and integrations to enable seamless communication between different systems and services. Provide technical leadership and guidance throughout the software development lifecycle, from … with microservices architecture, including design patterns, containerisation, and orchestration (e.g., Docker, Kubernetes). Strong proficiency in AWS cloud services, including EC2, Lambda, S3, RDS, API Gateway, and IAM. In-depth knowledge of secure financial systems, including banking, payments, trading, or risk management. Hands-on experience with API development More ❯

AWS) Databases: PostgreSQL, DynamoDB Additional Tools & Frameworks: GraphQL, REST APIs, Software Design Patterns – TDD, DDD, Agile methodologies: Scrum and Kanban 🌳 Key Responsibilities 🌳 Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using … AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including … virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration : Work closely with cross-functional teams using Scrum and Kanban to deliver high-quality products in an agile environment. 🌳 Requirements 🌳 Polyglot Developer : Proficiency in multiple programming languages and frameworks, with the ability to work across More ❯

AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using … AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including … virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration : Work closely with cross-functional teams using Scrum and Kanban to deliver high-quality products in an agile environment. Requirements : Polyglot Developer : Proficiency in multiple programming languages and frameworks, with the ability to work across More ❯

Level). 🎯 Impact | Technology Transformation, Modernization, and Scalability. 📏 Size | Medium-sized team, part of an exciting in-house engineering transformation. 🌟 Skills | PHP (Laravel), JQuery, API Development, MySQL, SOLID Principles, and modern DevOps tools. 📍 Location | London, UK/Remote - You must be eligible to work in UK 💻 Hybrid | Flexible … opportunity to make a real impact within a fast-growing fintech company undergoing an exciting technology transformation? As part of a motivated and collaborative development team, you’ll play a pivotal role in enhancing and modernizing the company’s tech stack. This involves building a robust backend API … points if you have worked with DevOps practices or modern tools like Docker or Kubernetes . Role Responsibilities: • Develop and maintain a robust backend API using PHP Laravel. • Enhance the platform with innovative new features that align with the product roadmap. • Seamlessly integrate third-party APIs into the system. More ❯

Compose should be familiar allies). Database dialogues (SQL and PostgreSQL are our go-to, but we know other databases are available). RESTful API development and management – making systems talk nicely to each other. Proactive Performance Tuning – because nobody likes a sluggish system. A solid grasp of … . A dynamic and forward-thinking work environment where your ideas are actually listened to (we promise!). We're all about growth and development – we want you to level up your skills alongside us. (Insert typical UK benefits here - e.g., generous holiday allowance, pension scheme, flexible working options More ❯

developing, and maintaining data infrastructure to ensure the seamless inflow, data sanitation/consolidation and automated report production for clients. Key Responsibilities: Design and Development: Design, develop, and maintain scalable ETL pipelines to process and integrate data from various sources. Implement data validation routines to ensure data quality and … understand data requirements. Database Management: Design and maintain relational database schemas to support business needs. Ensure efficient storage, retrieval, and management of large datasets. API Management: Develop and maintain APIs for data access and integration. Utilize tools like Postman for API testing and documentation. A good understanding of … working with APIs: Ensure robust and efficient API integration and management. Data bricks Management: Manage permissions and access controls within Databricks to ensure data security and compliance Data Analytics and Reporting: Work with data analysts to provide clean and well-structured data for analysis. Develop and maintain documentation for More ❯

and FastAPI, though experience with other frameworks is valuable), cloud services (particularly AWS), and modern AI approaches including working with agentic architecture. Key ResponsibilitiesBackend Development & Architecture · Design and implement scalable backend services using Python, with experience in Django, FastAPI, or similar frameworks · Architect and maintain production-grade, multi-tenant … Implement data validation, transformation, and enrichment processes · Optimise data storage and retrieval for AI/ML workloads Security & Compliance · Implement security best practices in API development and backend systems · Design secure authentication and authorisation mechanisms · Ensure compliance with relevant regulations for pharmaceutical data · Conduct security reviews and implement … and technical roadmap planning · Work cross-functionally with data scientists and product managers Qualifications and SkillsRequired Skills and Experience · 5+ years of Python backend development experience · Proficiency with Django, FastAPI, or similar Python web frameworks · Experience building and maintaining production-scale, multi-tenant applications · Strong knowledge of cloud services More ❯

motivate others, and adapt communication style accordingly. Experience leading technological change, with relevant stories to tell. Proficiency in technologies such as cloud, platform engineering, API development, message buses, workflow engines, etc., and programming languages like C, C++, C#.NET, Python, PHP. Advocate for Agile methodologies, with the ability to More ❯

APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Node, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Node on AWS. Utilize AWS services such as Lambda, DynamoDB, S3, ECS, ECR for efficient data processing. … Develop and maintain Docker containers for data processing. Integration and Deployment: 3rd party API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge … flexibility of working from anywhere. Comprehensive health insurance coverage for you and your family. Plan: Secure your future with our contributory pension scheme. and Development: Continuous learning opportunities to enhance your skills. Balance: Flexible working hours to support your work-life balance. Leave: 25 days paid (plus Bank Holidays More ❯

For: Proven experience as a Solution Architect or Solution Designer Strong background in systems architecture, software design, and data modelling Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Excellent communication and stakeholder management skills Strategic thinker with a More ❯

and cloud-based projects with a strong emphasis on solution design and technical leadership. Role & Responsibilities: Lead delivery of key projects across cloud migration, API development, digital platforms, and system integration Work within value streams and Centres of Excellence, aligning project goals with business strategy Act as a More ❯

for a SIEM Engineer to continue developing their expertise in security platforms at an established Microsoft Partner. The company places strong emphasis on staff development, offering support for training and professional certifications. You’ll also gain exposure to cutting-edge technologies, working across security operations and cyberspace. This is … Roles & Responsibilities Create, maintain, and optimise Logic Apps and Sentinel playbooks to automate incident detection and response workflows in Microsoft Sentinel. Develop and implement API integrations between Microsoft Sentinel and other systems to enhance data collection, cross-system communication, and automation. Leverage APIs to streamline security operations and increase … workflows, and incident response processes within Microsoft Sentinel. Experience in building and maintaining workflows with Azure Logic Apps to automate processes. Strong experience in API development and integration. Proficiency in KQL, JSON, and PowerShell. Good written and verbal communication skills. Technical understanding of IT infrastructure – Microsoft 365 suite More ❯

implementation and improving the overall quality of these key growth drivers. Key Skills: Proficient in React Experience in Ruby environments. Experience with GraphQL for API development and integration. Solid understanding of HTML, CSS, and JavaScript standards. Knowledge of testing frameworks (e.g., Jest, React Testing Library) is a plus. More ❯

for replacements/improvements. Experience needed: Leading architecture projects. Have a data and evidence based approach. Aware of financial impact of solutions. Cloud/API Development/C, C++, C#, Python, PHP Experience in DevOps More ❯

for replacements/improvements. Experience needed: Leading architecture projects. Have a data and evidence based approach. Aware of financial impact of solutions. Cloud/API Development/C, C++, C#, Python, PHP Experience in DevOps More ❯

for replacements/improvements. Experience needed: Leading architecture projects. Have a data and evidence based approach. Aware of financial impact of solutions. Cloud/API Development/C, C++, C#, Python, PHP Experience in DevOps More ❯

Are you passionate about shaping impactful IT solutions that drive real business change? Ready to influence the future of a growing, forward-thinking tech environment? Want to join a hybrid role based in Reading where innovation and collaboration go hand More ❯

significant impact within a dynamic R&D division? We are seeking a talented individual to join our client’s innovative team and lead the development of cutting-edge software features and applications. What you'll do: As a Senior Software Engineer, you'll be at the forefront of our … development efforts, taking ownership of new features and applications from design to deployment. Your responsibilities will include: Designing and leading the development of new software features and applications within an Agile environment, encompassing Desktop and Web applications, Windows and Web Services, Remote APIs, and third-party integrations. Ensuring … . Proficiency in web-based technologies , including the design and implementation of secure communications in multi-client server communication systems, and experience with web API design and development . Familiarity with the management of YAML build and release pipelines . Proven experience working in a business-oriented Agile More ❯

Interim API Developer | Hybrid or Remote | 3 Month Contract | Global Facilities Organisation We're working with a rapidly growing global facilities management business undertaking a large-scale digital transformation — moving from a patchwork of heavily customised on-prem systems to a modern cloud environment. The Situation Phase 1 of … the integration has been delivered by a third-party integrator, but Phase 2 is stalling. The business needs an experienced, independent API Developer to step in immediately, take the reins, and deliver point-to-point integrations between multiple systems. What’s In Place Legacy ERP, payroll, ops, and task … on the journey of the "what", "how", and "why". Must Haves Independent mindset — able to deliver under your own steam Strong experience building API integrations end-to-end Able to work across systems, define and advise on best approaches Comfortable working across business teams and tech stakeholders Integration More ❯

asset management sectors. Proficient in Python 3, including pandas, GeoPandas, boto3, Pydantic, and Data Version Control (DVC). Familiar with Django 4 and core API development. Strong hands-on experience with AWS cloud infrastructure, EKS, and Docker. Solid understanding of data concepts (relational databases, validation, cleansing) and algorithms/… data structures. Experienced in Agile development environments and test-driven development. Background working with geospatial data and feature engineering for machine learning applications. Good communicator, team player, with strong attention to detail and creativity. Desirable: Demonstrated portfolio of work (e.g., open-source contributions, blogs, talks). Experience working with More ❯

will be doing: As a Senior Integration Developer, you will be responsible for designing, developing, and maintaining iPaaS solutions. You will oversee the integration API layer, ensuring seamless communication between various systems using appropriate integration tools. Key Responsibilities Manage all aspects of the integration layer. Evaluate and propose enhancements … both functional and non-functional-to improve existing integration solutions. Develop designs and technical specifications for API development. Ensure adherence to integration best practices and standards, including security and error handling. Participate in Technical Design meetings, assessing potential risks and communicating findings to relevant stakeholders. What we are looking More ❯