51 to 75 of 120 API Development Jobs in London

engineers to deliver performant and well-built APIs . Your ex pertise in Node , TypeScript , and backend systems will be key to driving impactful projects . Key Responsibilities Backend Development : Develop and maintain backend services using modern frameworks. Ensure data consistency and scalability with database integrations. Collaboration and Stakeholder Engagement : Collaborate with cross-functional teams to understand reporting needs … detail. A proactive mindset to identify and address potential issues or opportunities. Strong written and verbal communication skills for presenting findings to stakeholders. Nice-to-Have Skills Knowledge of API development with REST or GraphQL . Understanding of event-driven architectures and message queues (e.g., Kafka , RabbitMQ ). Knowledge of performance optimization tools and strategies for backend systems. More ❯

ad-hoc visits as needed. Salary range: £57,600 - £92,400 (depending on experience) Contract type: Permanent Key responsibilities You will work as a software engineer specializing in iOS development within a cross-functional Agile team. You'll collaborate with other highly skilled iOS and Android engineers, BAs, QA, designers, and UX specialists on customer-facing projects. As a … Staff Engineer, you will have responsibility for the development approach and provide technical assurance on complex IT projects. You will support shaping new projects, support the professional development of less experienced engineers, and work with diverse stakeholders requiring excellent communication skills. Learning new skills is important to us. You are expected to continuously improve your engineering skills and … Experience using UIKit and SwiftUI Knowledge of accessibility best practices Experience with CI/CD, TDD, pair programming Familiarity with Agile methods like Scrum or Kanban Experience with REST API development and consumption Ability to build high-performance, scalable applications Deep understanding of MVVM and MVP architectures Experience leading teams or making technical decisions Desirable skills/experience More ❯

Description We are seeking an experienced and dynamic Global Application Manager & Eclipse Service Platform Product Owner to lead the development, management, and optimization of our global service applications and the Eclipse Service Platform. In this role, you will be responsible for defining the application and platform vision where product is owned by WTW or work with Vendor and business … KPIs) to measure success and impact. Work closely with Business colleagues to ensure the application functions as per agreed specifications and the support is fit for purpose Application & Platform Development & Integration: Lead with respective product owners the design, development, and enhancement of the global applications to improve scalability, performance, and security. Ensure seamless integration with other systems, applications … and third-party services. Oversee API development with product owner and ensure best practices in service-oriented architecture. Team Leadership & Collaboration: Work closely with engineering, DevOps, and support teams to deliver high-quality solutions. Facilitate agile ceremonies, including backlog grooming, sprint planning, and retrospectives. Act as the primary liaison between technical teams and business stakeholders. Operational Excellence & Continuous More ❯

adding value for Our Business As a Staff Engineer, you will also use your knowledge of Software Engineering to lead the shaping of new projects and support the professional development of less experienced Engineers. There are opportunities to become a people manager for your fellow engineers if that is something that appeals to you Successful candidates will have a … Java. A structured approach to systems analysis and development. A good understanding of Microservice Architectures. Experience with application frameworks such as http4k or Spring Boot. An understanding of Agile development methods such as Scrum or Kanban. Demonstrable experience in TDD, pair programming. Continuous Integration/Continuous Delivery REST API development and/or consumption. Desirable skills/ More ❯

you will be instrumental in designing, developing, and maintaining robust and scalable full-stack applications that power our automation and SaaS platforms. You will work across the entire software development lifecycle, from concept to deployment, collaborating closely with product managers, designers, and other engineers to deliver high-quality, impactful solutions. Design, develop, and implement highly performant and scalable full … microservices. Develop responsive and intuitive front-end user interfaces. Collaborate with product management to understand requirements and translate them into technical specifications. Participate in all phases of the software development lifecycle, including planning, design, coding, testing, deployment, and support. Write clean, maintainable, and well-documented code following best practices. Implement and maintain automated tests (unit, integration, and end-to … frameworks (e.g., Hibernate, JPA). Solid understanding of front-end technologies such as HTML, CSS, JavaScript, and modern JavaScript frameworks (e.g., ReactJS, MobX and TypeScript). Experience with RESTful API design and development. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes). Experience with version control systems (e.g., Git and Jira, BitBucket, Bamboo More ❯

Role We're looking for a Senior Fullstack Developer who can take features from concept to production with confidence. You'll have the real opportunity to own the full development lifecycle. Including planning the technical architecture to building an MVP, refining it through iteration, tackling the odd bug, and ensuring we're ready for launch! You'll also play … re looking for: Experience working on live, user-facing products. Strong problem-solving skills with a growth mindset and the ability to iterate quickly. Deep expertise in modern web development technologies: TypeScript, ReactJS, NextJS, and NodeJS. Experience working with CSS, component libraries and design systems (ChakraUI, Tailwind or similar). Some knowledge of GraphQL for API development … chance to get together somewhere awesome, connect, and plan big things. Weekly gaming sessions - you don't have to but we believe a little friendly competition never hurts. Learning & development budget - whether it's courses, books, or training, we've got you covered. Equity Options - We offer all employees ownership of the company to ensure the entire team is More ❯

adding value for Our Business As a Staff Engineer, you will also use your knowledge of Software Engineering to lead the shaping of new projects and support the professional development of less experienced Engineers. There are opportunities to become a people manager for your fellow engineers if that is something that appeals to you Successful candidates will have a … Java. A structured approach to systems analysis and development. A good understanding of Microservice Architectures. Experience with application frameworks such as http4k or Spring Boot. An understanding of Agile development methods such as Scrum or Kanban. Demonstrable experience in TDD, pair programming. Continuous Integration/Continuous Delivery REST API development and/or consumption. Desirable skills/ More ❯

environment where your contributions directly impact our platform's success. Key Responsibilities Design, develop, and optimize BigQuery-based solutions for real-time, low-latency data processing Implement and maintain API integrations with multiple trading platforms Enhance and refactor existing model and trading strategy implementations for improved performance Design and implement BigQuery schemas for both real-time data processing pipelines … other traditional RDBMS. Programming Proficiency : Strong skills in Python and Java, with working knowledge of R Cloud & Infrastructure : Hands-on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful APIs, particularly for real-time applications Low-Latency Systems : Understanding of performance optimization techniques and experience building resilient systems with strict More ❯

environment where your contributions directly impact our platform's success. Key Responsibilities Design, develop, and optimize BigQuery-based solutions for real-time, low-latency data processing Implement and maintain API integrations with multiple trading platforms Enhance and refactor existing model and trading strategy implementations for improved performance Design and implement BigQuery schemas for both real-time data processing pipelines … other traditional RDBMS. Programming Proficiency : Strong skills in Python and Java, with working knowledge of R Cloud & Infrastructure : Hands-on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful APIs, particularly for real-time applications Low-Latency Systems : Understanding of performance optimization techniques and experience building resilient systems with strict More ❯

PHP Full-Stack Developer (Mid-Level). Impact Technology Transformation, Modernisation, 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. Hybrid Flexible working policy with a collaborative office culture. Offer £50,000 - £60,000 Benefits Private medical … Are you looking for an 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 modernising the company's tech stack. This involves building a robust backend API, integrating third-party platforms, and … robust, well-optimised APIs. Bonus 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. • Collaborate with DevOps engineers to More ❯

Airflow, Mulesoft/Snaplogic, Apache NIFI, and Kafka, ensuring a robust, well-modelled, and scalable data analytics infrastructure running on MySQL and Postgres style databases primarily. Requirements: Advanced SQL development and deep understanding of RDBMS concepts and engines Practical knowledge of Data Warehouse infrastructure architecture and best practices Practical database design, development, administration knowledge (any RDBMS) Strong understanding … Airbyte, and Airflow Proven experience with DBT (data build tool) Proficiency with business intelligence tools (Power BI, Tableau, SAP BI, or similar). Integration & Programming Hands-on experience with API development and integration (REST/SOAP) Proficiency in at least 1 object/procedural/functional language (e.g: Java, PHP, Python) Familiarity with EAI tools such as MuleSoft More ❯

CreateFuture as a market challenger and to inform go-to-market strategies We'd love to talk to you if you have: Skills and Experience - Proven Experience: within business development, sales, or similar experience in the iGaming sector, with a proven track record of consistently meeting or exceeding sales targets in a hunter role. A strong network of clients … technologies and their application within the iGaming sector. This includes a strong understanding of the following: Cloud Architectures (AWS, Azure, Google Cloud) for scalability, cost-efficiency, and innovation Software Development Methodologies (DevOps, Agile, Scrum), Containerisation, and API Development Cloud Migration, Operations (FinOps, AIOps), Application Modernisation, and Integration Customer experience and strategy opportunities within the iGaming space What More ❯

technical issues. Experience with system integrations (APIs, web services, batch processes). Knowledge of SaaS/cloud technologies and basic network configuration. Understanding of enterprise security principles and secure development practices. Experience in API development and management (RESTful, SOAP). Proven track record in supporting enterprise platforms and enhancing system capabilities. Excellent communication skills, both technical and … non-technical. Familiarity with ITIL Service Delivery framework. Technical Proficiency Cloud platforms and SaaS/PaaS solutions Application and PAS configuration API management and integration Mimecast, performance testing, patch and group policy management Understanding of security, data and reporting (desirable), Microsoft & Google products, SaaS licensing and commercials Culture and Conduct Be a role model for the organisation's purpose More ❯

inputs from social media and other unstructured online sources, which produce timely structured data for internal use in models and trading systems Implement and maintain relational database schemas and API integrations which interface the above with internal modeling and trading systems Enhance and refactor existing systems for scale and performance Monitor and optimize system performance to maintain and improve … RDBMS. Programming Proficiency : Strong skills in Java (Spring), experience in Python, and working knowledge of R Cloud & Infrastructure : Hands-on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful APIs, particularly for real-time applications AI/LLM integration: Experience with design and delivery of analytics pipelines which include LLM More ❯

be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are … you: As a Senior Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At More ❯

into clear HMRC-aligned narratives that meet the DSIT guidelines. Your work will directly enable tech companies to claim R&D relief confidently and accurately. Key Responsibilities Technical Narrative Development: Produce high-quality, HMRC-compliant narratives. Client Technical Interviews: Be able to conduct in-depth interviews with software engineers, architects, developers, and tech leads to extract relevant technical information. … Editing & Documentation Review: Maintain high standards for clarity, grammar, technical depth, and consistency across all documentation. Continuous Professional Development: Remain up-to-date with HMRC's evolving R&D guidance, legislative updates, and emerging technologies in software, cloud, AI/ML, and cybersecurity. Requirements Degree in Computer Science, Software Engineering, IT, or similar or proven experience in technical writing … within software/IT domains. Strong understanding of software development lifecycles, code review, test automation, CI/CD, API development, microservices, cloud/native architectures, and emerging domains like AI/ML, cybersecurity, or data engineering. Experience in technical documentation or writing, especially for grant applications, R&D claims, or regulatory purposes. Excellent written communication skills with More ❯

of SaaS and cloud technologies if the PAS is cloud-based. Basic understanding of network configuration as it pertains to system connectivity. Broad understanding of security principles and secure development practices in enterprise systems. API Development/Management (RESTful, SOAP): Experience in designing, implementing, and consuming APIs for seamless data exchange between PAS and other systems. System … systems. Proven track record in supporting and administering an array of different technology stacked applications or enterprise platforms. Broad understanding of security principles and high-level understanding of secure development practices. Good understanding of end-to-end business processes within a relevant domain Excellent verbal and technical communication skills, with the ability to effectively communicate with technical and non … technical colleagues at all levels. Understanding and experience working within the ITIL Service Delivery framework. Technical skills: Cloud Platforms and SaaS/PaaS solutions Application configuration PAS Data Model API Management Policy Administration System configuration Mimecast Performance Testing Patch management, Group policy management Understanding of: Security (All disciplines) Data & Reporting (Desirable) Policy Administration Systems (Insurance) Microsoft & Google products SaaS More ❯

of SaaS and cloud technologies if the PAS is cloud-based. Basic understanding of network configuration as it pertains to system connectivity. Broad understanding of security principles and secure development practices in enterprise systems. API Development/Management (RESTful, SOAP): Experience in designing, implementing, and consuming APIs for seamless data exchange between PAS and other systems. System … systems. Proven track record in supporting and administering an array of different technology stacked applications or enterprise platforms. Broad understanding of security principles and high-level understanding of secure development practices. Good understanding of end-to-end business processes within a relevant domain Excellent verbal and technical communication skills, with the ability to effectively communicate with technical and non … technical colleagues at all levels. Understanding and experience working within the ITIL Service Delivery framework. Technical skills: Cloud Platforms and SaaS/PaaS solutions Application configuration PAS Data Model API Management Policy Administration System configuration Mimecast Performance Testing Patch management, Group policy management Understanding of: Security (All disciplines) Data & Reporting (Desirable) Policy Administration Systems (Insurance) Microsoft & Google products SaaS More ❯

Visa is seeking a talented and experienced Senior Product Manager to help lead the development of our FX (currency exchange) product in Visa Direct Accounts and Wallets. The successful candidate will be responsible for driving product strategy, discovery, delivery and adoption to enhance the value proposition of Visa's cross-border offering. This role requires a deep understanding of … within the financial services industry, preferably working within risk management, treasury, or FX trading • Strong technical experience- proficiency in Python, SQL, and Tableau is strictly required, knowledge of REST API development is an advantage. • Familiarity with Agile/Scrum methodologies required Preferred Qualifications •Experience with risk management, cash management, operations, treasury or FX trading in a product capacity. More ❯

you'll be at the core of AI infrastructure. Key Requirements: Expert in Python, ML/AI frameworks (PyTorch, TensorFlow, Hugging Face) Proven MLOps, big data, and backend/API development experience Deep understanding of NLP and LLMs Proficient with cloud platforms (AWS/GCP/Azure), Airflow, DBT, Docker/Kubernetes Strong collaboration, problem-solving, and coding More ❯

/CD for data systems, and robust testing methodologies. Highly desirable skills include: Domain Experience: Familiarity with the unique structure of sports data (e.g., event, tracking, scouting, video). API Development: Experience building data-centric APIs, especially with FastAPI on serverless platforms like Google App Engine . Streaming Data: Practical experience building real-time data pipelines. DevOps & MLOps More ❯

solving skills. Experience with data visualisation tools (e.g., Tableau, Power BI). Experience with metadata management tools e.g. Purview. Knowledge of data science and machine learning concepts. Experience with API design and development. #J-18808-Ljbffr More ❯

of technology changes at one of the largest futures and options clearing houses in the world. Serving as the key liaison between Risk business/product teams and software development, you will formulate business requirements and provide system specifications, including functional specifications, use cases, and logical flow modeling. Fast paced, enthusiastic, self-motivated & ambitious, you will have the ability … own workload and meet project targets - and a track record to back this up. Responsibilities Be the primary facilitator responsible for defining and documenting software requirements for large-scale development projects within the ICE Clearing House Risk team. Assist with identifying areas where the risk models, risk management processes, or infrastructure can be improved. Spearhead internal projects and coordinate … strategic projects related to business growth, investment management and operational efficiencies. Develop analysis artifacts including use-cases, activity diagrams, user-interface schematics, business rules, technical specifications, process flows, and API documentation. Proactively identify, report, and minimize risks to the project. Support the technical development and quality-assurance efforts. Assist project management with prioritization and tracking the implementation of More ❯

is expanding their technology team and seeking an experienced Cloud Integration Developer to join them for a 12-month contract. Role Overview: As part of their growing in-house development team, you'll define, design, and develop new features and capabilities, focusing on cloud services and architectures. The role involves creating tools and apps that enhance their data platform … directly impacting member experiences and back-office processes. Key Responsibilities: Designing scalable cloud architectures for workflow automation Integration of CRM, Finance, and other SaaS products Development of microservices and event-driven architectures Maintaining and improving our current tech stack Technical Requirements: 6+ years' experience in complex, multi-platform environments Strong background in Azure cloud architecture and deployment Proficiency in … TypeScript and Node.js Experience with enterprise middleware technologies Knowledge of API development and management P ackage & Working Pattern: Salary up to £80,000 per annum Performance-related bonus Comprehensive benefits package 2 days in our London office Fixed-term contract (12 months) Their approach is agile and data-driven, emphasizing collaboration within a cross-functional product team. #CloudComputing More ❯

Golang Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … ll join colleagues in the London, Canary Wharf offices four days a week. About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … a competitive package: Salary to £110k Impactful role with excellent career growth opportunities Apply now to find out more about this Golang Developer/Backend Software Engineer (Go Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯