51 to 75 of 104 API Development Jobs in London

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 ...

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 … 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 ...

Security Clearance (SC) is essential for this position. We are seeking a Mid Backend Engineer to join a delivery pod, contributing to the design, development and maintenance of scalable, resilient backend systems. The role will specialise in event-driven architecture and CQRS-based systems, working within a collaborative engineering … environment to deliver robust, distributed solutions. The successful candidate will have strong backend development experience, a solid understanding of architectural patterns and practical experience building event-driven applications. Key Responsibilities Design, develop and maintain backend services and applications within a pod-based delivery model. Implement and support systems built ...

Security Clearance (SC) is essential for this position. We are seeking a Mid Backend Engineer to join a delivery pod, contributing to the design, development and maintenance of scalable, resilient backend systems. The role will specialise in event-driven architecture and CQRS-based systems, working within a collaborative engineering … environment to deliver robust, distributed solutions. The successful candidate will have strong backend development experience, a solid understanding of architectural patterns and practical experience building event-driven applications. Key Responsibilities Design, develop and maintain backend services and applications within a pod-based delivery model. Implement and support systems built ...

will design, develop and deliver robust, scalable Java applications that support critical client services and digital transformation initiatives. Taking ownership across the software development lifecycle, you'll use Java and Spring Boot to build high-performing back-end solutions, applying modern engineering practices to ensure quality, security and reliability. … culture of collaboration and engineering excellence. You'll also have opportunities to expand your technical capabilities and contribute to CGI's growing software development practice across the UK.Key responsibilities:• Design & Develop: Build, enhance and maintain secure, scalable enterprise applications using Java and Spring Boot.• Engineer & Integrate: Develop robust RESTful ...

seeking a highly skilled and innovative Lead Agentic AI Engineer to join our team and drive the design, development, and deployment of production‐grade generative AI and agentic solutions using Microsoft technologies. This role is ideal for a technically strong engineer who has hands‐on experience building AI solutions … Agent Framework Proficient in Python and production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What ...

Infrastructure-as-Code experience using Terraform, Bicep or similar technologies.* Experience with Azure DevOps, GitHub, Gitlab and modern CI/CD practices.* Microsoft Graph API development and automation experience.* Experience with or working knowledge of Microsoft Purview, Information Protection, Data Loss Prevention and Records Management.* Knowledge of Microsoft ...

work. About You Strong PHP and Laravel experience, with solid SQL, MySQL preferred, and a real understanding of optimisation and indexing. REST/JSON API development experience, and comfortable working with Redis alongside MySQL. AWS experience, particularly API Gateway, ECS and containers, plus Docker and Docker Compose. ...

Doing (Responsibilities) Integration Design & Implementation Design and build integrations between core business systems (ERP, HRIS, CRM, ATS, ITSM, project management, finance, procurement) Implement API-based integrations, webhooks, scheduled data syncs, and event-driven workflows Work with the Palantir Foundry team to enable as the primary integration platform Build … upstream and downstream systems. Maintain data consistency across entities and currencies.Lead data migration for new entities and acquisitions. Delivery and Partnership Own the systems development lifecycle, including source control, testing and deployment. Translate business requirements into documented technical solutions.Partner with external consultants on integration and platform work. Solution Architecture ...

team in London. You will work with Solution Architects to implement AnyPoint platform-based integrations across on-premises and cloud systems, shaping API design and deployment strategies. The role emphasizes REST API development with RAML/OpenAPI, DataWeave transformations, and CI/CD deployment. Strong communication ...

usable interfaces. Feed delivery learnings back into platform patterns and defaults so the next system ships faster. What You\'ll Work With Full-Stack & API Development: React, TypeScript, REST, gRPC, FastAPI, Go services, API design. Auth & Governance: OIDC authentication, RBAC, audit logging. Workflows & Integrations: Event-driven systems … About You Strong full-stack engineering background with experience shipping production-grade applications end-to-end. Comfortable owning the full delivery surface — UI through API through auth — without needing to hand off between layers. Experience integrating with external systems or customer environments and making those integrations reliable and maintainable. ...

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 ...

Step into the role of a Principal Information Architect (Executive Director) at JPMorganChase and become a promoting force behind the development and adoption of cutting-edge, cloud-based technologies. Make metadata real, usable, and impactful in modern engineering. In this role, you’ll sit at the intersection of Information … influence direction through thought leadership (not people management), partnering with stakeholders to drive standards and adoption. You will help ensure models and metadata support development practices and regulatory asks in a clear, implementable way. This could suit a strong Information Architect with metadata experience and an interest in software ...

reward those people who embody them. Skills We Need for This Role Solid proven experience with .NET and C#, particularly .NET6-10 Familiarity with API development, microservice patterns and practices, ideally including experience of OpenAPI standards Experience with both relational and non-relational databases such as Microsoft … Server, Azure Cosmos Knowledge of Microsoft Graph API and Microsoft 365 policy management Experience of integrating with third-party APIs Working knowledge of cloud-based providers like Azure/AWS/GCP Ability to thrive in a fast-paced environment and adapt to changing requirements Strong problem-solving skills ...

sources, tool calling, and working with evaluations and monitoring to ensure agent success Solid software engineering foundations, with a background in web app and API development - a modern language such as Python, C# or TypeScript, integration design, source control, CI/CD (ideally Azure DevOps or GitHub Actions … testing and infrastructure as code - backed by strong awareness of the related Azure platform services Experience in MCP (Model Context Protocol) development - building and consuming MCP servers to expose internal systems and data to agents securely Practical knowledge of RAG, ideally with experience of Azure AI Search An understanding ...

working on multiple contract opportunities within leading financial services environments, spanning trading, risk and full-stack engineering. If you have extensive Python development experience and a background in high-performance trading or financial services environments, we'd love to hear from you. The opportunities We're looking for experienced … supporting trading workflows and financial markets. Risk Engineering: Building Back End services and distributed systems for risk data processing, analytics and reporting. Full-Stack Development: Building scalable applications across Back End services, APIs and Front End technologies. Financial Platforms: Improving business-critical systems, data processing pipelines and enterprise-grade ...

transformation techniques. Required Skills and Experience 3+ years of experience in data integration or similar technical roles Strong programming skills with demonstrated experience in API development Deep understanding of database systems and data modeling Experience with ETL processes and data migration projects Familiarity with integration platforms and middleware ...

networking concepts such as Virtual Private Clouds and DNS Experience working with LLMs Experience with Terraform or other Infrastructure as Code tools Experience in API development and design #J-18808-Ljbffr ...

3+ years of experience engineering with Python as your primary language An academic background in STEM Fluency in SQL and other OOPLs Experience with API development and integration A practical understanding of distributed systems The ability to write concurrent code in IO/CPU bound situations Experience with ...

3+ years of experience engineering with Python as your primary language An academic background in STEM Fluency in SQL and other OOPLs Experience with API development and integration A practical understanding of distributed systems The ability to write concurrent code in IO/CPU bound situations Experience with ...

Lisbon and Porto. We seek a Senior Software Engineer to work across Go, JavaScript/TypeScript and Python, designing scalable architectures and contributing to API development, cloud infrastructure and observability. You will mentor engineers and promote engineering best practices across the team. If you're curious, collaborative ...

write robust and fault-tolerant software. Proficient understanding of Git and CI/CD. Good understanding of Databases and data architecture. Experience with API development (REST, GraphQL, etc) Nice to have Experience in using web frameworks (Django). Experience working on B2B product features Experience working with OCPI … Experience integrating third-party API solutions Why else you'll love it here • Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct ...

Back End services Maintain high code quality through testing, reviews and best practices Mentor junior developers where required Required Skills Strong Core Python development experience Experience with enterprise trading and risk platforms (eg Quartz, SecDB, Athena, Kanon, Beacon or similar) Strong SQL and large-scale data handling expertise Pandas … NumPy for data processing and analytics REST API development using Flask, FastAPI or Django Strong understanding of performance optimisation and scalable systems Unix/Linux and Shell Scripting experience Domain Experience Investment Banking or Capital Markets background Experience across Market Risk, CCR, PnL, Trade Lifecycle and Reconciliations Knowledge ...

NetSuite, Salesforce, Workday, SAP, HRMS, CRMs, data warehouses) Evaluate integration approaches and make build-vs-buy recommendations: native connectors, iPaaS platforms (Workato, Boomi), custom API development Review and validate solution designs created by Solution Architects; push back when designs are technically risky, over-engineered, or misaligned with customer … zones Technical Depth & Solution Design Capability Strong understanding of integration architectures: REST APIs, webhooks, iPaaS platforms, authentication protocols (OAuth, SAML, SSO) Ability to read API documentation, evaluate technical feasibility, and provide direction to engineering teams (you don't write production code, but you can prototype and troubleshoot) Experience designing ...

profitable, fast-growing company builds its engineering team Nice to have Palantir Foundry or AIP in production TypeScript, API development or front-end work ERP (SAP, Oracle) or CRM data at enterprise scale Experience in specialty chemicals, building materials or other industrial sectors Why engineers join ...