26 to 50 of 99 API Development Jobs in London

internet—the fundamental infrastructure that allows digital platforms to verify age and manage compliance globally without friction. Our core platform, anchored by the Compliance Development Kit (CDK) and AgeKit, is the trusted engine for the world’s largest game publishers and digital ecosystems. We replace fragmented, manual compliance with … unified API that handles age verification, parental consent, and regulatory logic across 200+ markets. Backed by top-tier venture capital firms like a16z and Lightspeed, k-ID is entering a phase of growth to define the standard for global digital safety. About The Role As an Forward Deploy Engineer ...

modernising its technology platforms and adopting agile, cloud-native solutions. We are seeking a Tech Lead to help drive this transformation and lead the development of scalable, secure, and high-performing systems. **Role Overview**As Senior software engineer you will be responsible for the technical leadership of a cross … functional agile team. You will guide software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. **Key Responsibilities*** Lead the design and development of enterprise-grade applications using Java and related technologies* Define and enforce agreed coding ...

modernising its technology platforms and adopting agile, cloud-native solutions. We are seeking a Tech Lead to help drive this transformation and lead the development of scalable, secure, and high-performing systems. Role Overview As Senior software engineer you will be responsible for the technical leadership of a cross … functional agile team. You will guide software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of enterprise-grade applications using Java and related technologies Define and enforce agreed coding ...

opportunity to extend into quantitative research and to help build the foundation for full stack, next gen SaaS service offerings. Key Responsibilities: Bulletproof script development: build reliable, production grade scripts from defined specifications. Data orchestration and integration: develop and own the orchestration scripts that integrate multiple data feeds (document … that turn financial filings and disclosures into structured, queryable data, including LLM assisted extraction where appropriate. Testing to production migration: own the path from development to production, testing rigorously in a staging environment before migrating scripts to the production server with proper versioning, rollback capability and zero disruption ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure ...

knowledge (you don't need everything) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation ...

driven workflows, network intelligence, and service assurance capabilities. The Digital Transformation Technical Authority will own technical decisions and will work across the full software development lifecycle, from requirements analysis and solution design through to deployment, support, and continuous improvement. The role combines hands‐on software engineering with technical leadership … maintain software applications, services, APIs, and automation workflows. Build high‐quality, reusable, maintainable, and scalable code following engineering best practices Develop event‐driven and API‐enabled solutions supporting network and operational automation. Develop orchestration workflows, automation scripts, and integrations across multiple systems. Produce technical documentation, design artefacts, and implementation ...

embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision … automate operational workflows, accelerate engineering productivity and enhance customer outcomes.As a Core AI Engineer, you will play a leading technical role in the design, development and deployment of AI solutions across the organisation. You will combine software engineering, machine learning and AI platform expertise to turn innovative concepts into ...

your peers on technical direction within your team Requirements/knowledge (you don't need everything) JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … strategies, pull requests and merge processes 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. Benefits ...

inside IR35 - Umbrella only Required skills Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud native design. C#, .NET 10, REST API development, and enterprise backend engineering. Frontend development with TypeScript, JavaScript or NHS Digital Design System components. Confident and experienced … development agents and tools in daily workflow. Strong understanding of clinical workflows, interoperability patterns, and NHS technical constraints. Experience with regulated healthcare or medical device software (ISO 13485, ISO 14971, IEC 62304). Experience with national NHS APIs such as GP Connect, PDS, PDM, SCR, or BARS referrals. ...

digital transformation programme via a delivery partner and we are looking for experienced Full Stack .NET Developers. You'll be working on the development and enhancement of critical healthcare applications, helping deliver scalable, secure, cloud-native solutions that directly support NHS services and patient outcomes. This is an excellent …/CD pipelines and modern DevOps practices Essential Skills & Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment ...

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

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 Responsibilities Architecting, developing, and maintaining high-performance, scalable backend services that underpin our operational data ...

between tactical edge sensors in low-bandwidth environments and strategic HQs running enterprise analytics. Python Engineering: High proficiency in Python for microservices, API development (FastAPI/Flask), data processing, and backend service development. Docker & Container Orchestration: Deep knowledge of containerisation using Docker, multi-stage builds, minimal base images … code adhering to MoD cyber security standards, automated testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose ...

with Research, Product, and Engineering to rapidly prototype, test, and refine new capabilities through short feedback loops. Take solutions from prototype to production, including API development, CI/CD pipelines using GitHub Actions, and Kubernetes deployments across multiple environments using core AWS services such … Platform & Systems Self‐Sufficiency This is you if you're comfortable owning infrastructure end-to-end — deploying a database, designing a schema, shipping an API — without a dedicated platform or DevOps team. Experience designing APIs and deploying containerized services using Docker and Kubernetes. Bonus: Experience with graph‐aware retrieval ...

with Research, Product, and Engineering to rapidly prototype, test, and refine new capabilities through short feedback loops. Take solutions from prototype to production, including API development, CI/CD pipelines using GitHub Actions, and Kubernetes deployments across multiple environments using core AWS services such … Platform & Systems Self‐Sufficiency This is you if you're comfortable owning infrastructure end-to-end — deploying a database, designing a schema, shipping an API — without a dedicated platform or DevOps team. Experience designing APIs and deploying containerized services using Docker and Kubernetes. Bonus: Experience with graph-aware retrieval ...

maintain robust APIs and user interfaces for our enterprise applications. The ideal candidate will be passionate about clean code, scalable architecture, and collaborative development, working closely with engineering and Product teams to build high quality products. Exposure to modern AI tools and services (such as GitHub Copilot or APIs … Core. Work with data from SQL (MS-SQL server) and NoSQL (MongoDb) databases and external APIs. Ensure secure coding practices are followed throughout the development lifecycle. Collaborate with cross-functional teams to integrate APIs with frontend and backend systems. Build and maintain responsive, accessible user interfaces using React, JavaScript ...

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 ...

IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. … similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands‐on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Job Description Main Responsibilities Lead the architecture ...

management platforms, and driving operational efficiency through automation and process optimization. This role requires hands-on experience in PKI, Certificate Lifecycle Management (CLM), REST API integrations, scripting, and enterprise automation platforms . The candidate should have strong problem-solving skills and the ability to work collaboratively with security, infrastructure … operational procedures. Ensure compliance with enterprise security standards and PKI governance requirements. Required Skills & Qualifications Technical Skills Strong hands-on experience with AppViewX development, administration, and automation . Experience integrating Keyfactor Command with certificate management and automation platforms. In-depth understanding of PKI (Public Key Infrastructure) and Certificate Lifecycle ...

IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. … similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands-on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Senior Platform Engineer (Cloud Media Platforms) Job Description ...

solutions for voice and digital channels (live chat, voice, written channels) Build and deploy serverless integrations using AWS Lambda (Python/Node.js), API Gateway, DynamoDB, Kinesis, and CloudFormation/Terraform connecting Amazon Connect to backend systems (Pega CRM, internal APIs) Implement infrastructure as code (Terraform/CloudFormation) for repeatable … reviews. Skills and experience you will bring: Bachelor's degree in Computer Science, Engineering, or equivalent professional experience 5+ years of hands-on software development or cloud engineering experience Demonstrable experience delivering multiple Amazon Connect implementations in enterprise environments, including design, integrations, routing, telephony, and production support. Proficiency ...

teams across sales, operations, finance, credit and compliance What we're looking for 4+ years of hands-on Dynamics 365/Power Platform development Strong C#, .NET and JavaScript Proven plugin, custom workflow and API development Strong Dataverse and solution architecture knowledge Experience integrating Dynamics 365 with ...

drive continuous improvement. Collaborate with product managers, architects and engineering teams to define technical requirements, participate in software design reviews and contribute to API governance standards across the organization. What you'll bring Experience designing, developing, debugging and enhancing scalable software applications and APIs. Strong understanding … software development life cycles, engineering standards and modern development practices. Proficiency in solutions design, systems architecture and requirements definition. Knowledge of distributed systems, API development and integration patterns. Familiarity with financial services, payments or fintech technologies. Bachelor's degree in Computer Science, Computer Engineering ...

directly with founders to influence product strategy, engineering direction and future hiring. Develop cloud-native systems using AWS Serverless, Lambda, PostgreSQL, Supabase and modern API architectures. Improve platform reliability, observability, security, performance and scalability. Support CI/CD, Infrastructure as Code and software engineering best practices. Tech Stack TypeScript … React, Next.js, Node.js, Go, Python, AWS, Lambda, PostgreSQL, SQL, Supabase, API Development, AI, Machine Learning, LLMs, OpenAI, Claude, MCP, RAG, Serverless, CI/CD, Infrastructure as Code What They’re Looking For Strong commercial experience as a Software Engineer, Full Stack Engineer, Full Stack Developer or Senior Software ...