1 to 25 of 38 Remote/Hybrid API Development Jobs in London

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 ...

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 ...

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 ...

mobile applications that support an evolving digital strategy. The Role As a Digital Application Developer, you'll be involved in the full software development lifecycle, working closely with product, design and engineering teams to deliver secure, scalable and user-focused digital solutions. You'll contribute to the development … Skills & Experience We're interested in speaking with candidates who have experience in some of the following areas: React, TypeScript and modern JavaScript development Mobile application development using iOS and/or Android technologies API development and systems integration Software design principles and application architecture ...

this role is to contribute to application systems analysis and programming activities, ensuring the delivery of high-quality and robust software solutions. Responsibilities Application Development: Design, code, and debug Java applications. Contribute to the entire software development lifecycle, from conception and design to testing and deployment. Technical Contribution … Java, adjacent technologies, and software engineering principles to help solve problems and troubleshoot issues. AI Integration: Actively explore and utilize modern AI-powered development tools and technologies to enhance productivity and code quality. Experience with AI development assistants and agents is desirable. Collaboration & Communication: Clearly communicate technical concepts ...

large scale enterprise applications within a global financial services organisation. This is an opportunity to work on modern software engineering projects where AI assisted development is actively encouraged. You'll use tools such as GitHub Copilot, Claude or similar technologies alongside modern engineering practices to help deliver high quality … code Participate in code reviews and Agile ceremonies Troubleshoot and resolve production issues Use AI tools such as GitHub Copilot or Claude to accelerate development Contribute to continuous improvement and engineering best practice What we're looking for Strong commercial Java development experience Spring Boot and REST API ...

do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are a fast-growing team of 340+ engineers and consultants across Europe (UK, Spain, Portugal), the Americas (US, Argentina, Uruguay … define the right problems, shape solutions, and deliver technology-driven outcomes that create measurable business value. Our expertise spans software engineering, AI & data, product development, and customer experience, delivered by teams that combine strong technical depth with a consulting mindset. Why Join Us? If you are looking ...

will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively on Kafka, Kubernetes … handling, and backpressure management. Experience designing and developing cloud-native applications with a microservices architecture running on Docker/OpenShift/Kubernetes. Strong application development skills in Java, SQL (SQL Server, Oracle, etc.) and messaging platforms such as Kafka and MQ. Experience with the Spring framework and Spring Boot ...

commerce leader for cultural experiences, connecting millions of customers with the best in live entertainment. About the role Frieze has a small in-house development team working across our suite of digital platforms, collaborating closely with specialist agencies and partners. The Technical Lead will take ownership of the technical … collaborate closely with teams across Frieze - including Data, Marketing and VIP - to deliver against our roadmap. We are increasingly using AI tooling to improve development speed and workflows, and the Tech Lead will be expected to champion and embed these practices across the team. The role would suit ...

will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively on Kafka, Kubernetes …/OpenShift, caching solutions, REST APIs, and high-throughput distributed systems. You will bring solid, practical experience in backend Java development and a keen interest in scalable distributed systems. ResponsibilitiesTechnical DeliveryDesign, develop, and maintain backend components in Java, with a focus on performance and resilience. Contribute hands ...

98742248336Posted: 2026-08-21Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiFX Client Platforms - Senior UI Software Engineer (Vice President)About the RoleWe are seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full … software development lifecycle — analysis, design, implementation, and testing — while providing technical leadership to the team. Primary ResponsibilitiesDesign and develop high-quality trading GUIs providing compelling user experiences for internal and external tradersDefine and enforce interoperability standards across web applications using FDC3, and REST/WebSocket APIs. Experience with OpenFin ...

will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies extensively on Kafka, Kubernetes …/OpenShift, caching solutions, REST APIs, and high-throughput distributed systems. You will bring solid, practical experience in backend Java development and a keen interest in scalable distributed systems. Responsibilities Technical Delivery Design, develop, and maintain backend components in Java, with a focus on performance and resilience. Contribute hands ...

seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full software development lifecycle — analysis, design, implementation, and testing — while providing technical leadership to the team. Primary Responsibilities Design and develop high-quality trading GUIs providing compelling … applications using FDC3, and REST/WebSocket APIs. Experience with OpenFin or Interop is desirable but not essential. Drive AI integration within the development lifecycle — including AI-assisted coding, automated test generation, and intelligent monitoring Influence performance engineering across the UI stack: profiling, rendering optimisation, bundle analysis ...

applications.Knowledge of SQL is essential, exposure to Oracle, Postgres, PL/SQL is beneficial. Demonstrate practical experience in ETL/data integration and REST API development, with exposure to integration tools such as Boomi, MuleSoft,n8n,Informatica or similar. Exposure to Python would be advantageous. Demonstrate a working … solutions. Can develop into a capable practitioner of the Aptitude products being used and build a broad knowledge of our complete product suite Software Development Life Cycle: Demonstrate apractical experienceoffollowing disciplines: o Management of source code o Performing automated build and testing o Allocating development tasks ...

system that enables a novel workflow, the next you could be fine-tuning performance to enable low-latency operational outcomes. Our Product Development organisation is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively to build cross … witnessing how customers engage with Foundry and experiencing these pain points firsthand, you'll gain unique insights that feed directly back into our development process, helping to refine and enhance our products. Core ResponsiblitiesArchitecting, developing, and maintaining high-performance, scalable backend services that underpin our our operational data ...

developing next generation AI platforms, cloud native infrastructure, and intelligent agent based applications that support cutting edge scientific research. Key Skills & Experience Strong Python development experience FastAPI and backend API development Cloud platforms (GCP and/or Azure) Kubernetes, Docker, and cloud-native architectures CI/ ...

/Sub, BigQuery, Cloud Storage Cross-functional Collaboration: Partnering with BI, infrastructure, and productteams to understand data requirements and deliver technical solutions. API Development: Helping build and document APIs that deliver a seamless dataexperience for internal and external stakeholders. Database Operations: Working with SQL and NoSQL databases, helping … understanding of CI/CD concepts. Problem-Solving Mindset: A proactive approach to debugging and a genuinecuriosity about how data flows through a system. API Awareness: Basic understanding of REST APIs and how microservicescommunicate. Educational Background: A degree in Computer Science, Software Engineering, ora related field (or equivalent practical ...

integration, E2E, security) and performance optimization; Scalable system design patterns, load balancing, and high-availability architectures; Database design and optimization (both relational and NoSQL); API development (REST, GraphQL, gRPC) and event-driven architectures; Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); Cloud platforms (AWS, Azure, GCP) with ...

projects supporting National Security customers. This is an opportunity to work on challenging AWS environments where you'll have genuine ownership across the design, development, deployment and maintenance of cloud applications and services. The Role You'll join an experienced, autonomous DevOps/Software Engineering team, working closely with … Actions, GitLab, Bamboo, Bitbucket etc. • Docker/Kubernetes • Cloud networking, Linux, routing and security • Monitoring, observability and operational tooling • Agile delivery environments • Microservices and API development National Security & Clearance This is a National Security-focused role. You'll be working on projects supporting customers across the UK National ...

shopping through AI and technology. We are looking for an experienced Senior Full-stack Engineer to join our Shop Experience team within the Product Development tribe. You will play a key role in shaping seamless, trustworthy, and high-performing shopping experiences for millions of users around the world. … product experiences are built by collaborative teams with strong technical foundations and a deep understanding of user needs. You will focus on: Full-stack Development: You will design, build, and evolve scalable web applications and backend services using React, TypeScript, and Python (Django). You’ll contribute across ...

Tech: C# 5, .net core AWS, Angular. JS, Bootstrap, Docker Challenge: Greenfield Financial platform, API development, industry specific challengesFirm: Well-known fintech50 business, City of London, 30 man flat Dev TeamPay: 50k, Bonus- training budget, Pension, Life/Health, Some Flex Working*This role is fully remote until … looking for a C# developer who wants to work in a tech driven bleeding edge business creating truly greenfield products. Working within the Development team the C# Developer will helping to introduce a new architecture as well as creating new products. C# Developers MUST have: Degree ideally Comp SciC#SQLIdeally ...

Tech: C# 5, .net core AWS, Angular. JS, Bootstrap, Docker Challenge: Greenfield Financial platform, API development, industry-specific challengesFirm: Well-known fintech50 business, City of London, 30 man flat Dev TeamPay: 50k, Bonus- training budget, Pension, Life/Health, Some Flex Working*This role is fully remote until … looking for a C# developer who wants to work in a tech driven bleeding edge business creating truly greenfield products. Working within the Development team the C# Developer will helping to introduce a new architecture as well as creating new products. C# Developers MUST have: Degree ideally Comp SciC#SQLIdeally ...

skills. Have general knowledge with a scripting language (Python, Ruby, Bash, and JavaScript) and a desire to expand those skills. Be familiar with REST API development and service integrations is a plus. Ideally have prior experience in the cybersecurity, GRC (governance, risk, and compliance), or audit space. Open ...

Engineer (Senior/Principal Consultant) to join our Technology Delivery Team. You'll combine your expertise in AI/ML engineering and software development to build and deploy cutting-edge generative AI and agentic systems across the financial services sector. As a hands-on leader, you'll architect … Science, AI, or related STEM fieldsHands-on experience deploying LLMs and multi-modal models at scaleStrong engineering background in Python with proven backend and API development skillsSolid understanding of scalable MLOps, observability, and cloud-native AI deploymentExcellent communication, problem-solving, and project management skills in agile environmentsBonus Points ...

ability to analyze business processes and workflows, with a knack for identifying efficiency improvements Interest in learning or experience with Spark, SQL, Python for API development is highly encouraged, but not required Excellent communication and interpersonal skills, with the ability to engage effectively with both technical … closely with product and technical teams to understand architecture, capabilities, and integration across Moody's offerings Act as a bridge between clients and product development teams, conveying feedback to support product enhancements and roadmap discussions This position offers a dynamic work environment, requiring up to 50% travel to engage ...