1 to 25 of 26 API Development Jobs in London

GenAI, Gemini, or open-source LLMs; train, fine-tune, and onboard new LLMs Experience in building GenAI applications using Python Hands-on experience with API development and microservices architecture and end-to-end integrations Knowledge of RAG (Retrieval-Augmented Generation) and ADK, MCP Solid understanding of LLMs, prompt … engineering, and graph-based workflows Hands-on experience with API development and microservices architecture Experience in CI/CD pipelines and containerization (Docker/Kubernetes), Harness, and Git Actions Build scalable data pipelines and workflows on GCP (Big Query, Vertex AI, Dataflow, Pub/Sub, Redis and NoSQL ...

Summary As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. Your role will … driving innovation within telecom domain projects, contributing to business success and societal impact. 5 days per week at the offices in Canary Wharf Responsibilities API Architecture & Design: · Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. · Collaborate with cross-functional teams ...

improves the overall student experience. How youll spend your day As a Full Stack Lead Engineer, you will be responsible for leading the design, development, and maintenance of scalable, high-performance applications across both frontend and backend systems. You will collaborate closely with product managers, designers, and other engineers … Youll also be expected to actively explore, evaluate, and adopt the latest Generative AI tools and practices to enhance productivity, streamline workflows, and accelerate development across the engineering team. Lead full stack development using ReactJS, TypeScript, Node.js , and related technologies. Architect and implement robust, scalable, and secure APIs ...

Minimum of 15 years of broad IT experience with 10-12+ years proven Java development Experience of a broad range of development languages and technologies ;Java 8, 17, Spring, SpringBoot, Hibernate, JEE, Swing, MVC, Angular & AngularJS, JQuery, AJAX, JSON, HTML, CSS, XSLT, Webservice, JAXB, JSP, Tomcat, Apache … JBoss Enterprise Application Platform, SQL, Jira, Subversion, Azure Pipeline ADO, XML, and related technologies. Extensive experience in API development both REST and SOAP. Experience in OpenText Livelink APIs will be added bonus. Build scripts: Maven, Ant, CI/CD using Azure pipeline. Experience with JavaScript MVC frameworks like ...

process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas … business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. ...

process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas … business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. ...

candidates have led enhancements, maintenance, or improvements of existing systems. This position is especially suitable for those with hands-on experience in financial system development or financial IT consulting. Employment Type: Full-time, Permanent Salary: £40k-£65k depending on experience Start Date: Negotiable Working Hours: Monday to Friday … Server Propose and implement improvements or new functionalities for existing systems Coordinate with internal and external stakeholders Financial Systems Developer Ideal Candidate: Development experience with C#.NET (3+ years preferred) Experience with SQL and database operations Knowledge of financial systems or financial operations (e.g., payments, settlements, reporting) is a plus ...

experience working as a Full Stack Developer within the public sector Active Security Clearance (SC) Strong proficiency in Java and Spring Boot for Backend development Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Experience implementing CI/CD pipelines … familiarity with Docker/Kubernetes Skilled in API development and microservices architecture Strong technical and leadership capabilities Nice to have: Immediate availability Previous experience delivering greenfield development If you're interested in this role, click 'apply now' to forward an up-to-date copy of your ...

engineers and workflow architects to translate business challenges into technical solutions. • Ensure adherence to secure coding practices, including authentication, credential management, data protection, and API security. About You Python Development: Proficient in Python 3.x (OOP, data structures, exception handling, modules); experience with requests, pandas, numpy, asyncio, FastAPI/… automation. (Guardrails and Prompt engineering experience added advantage) Authentication & Security: Experience with MSAL authentication, secure coding practices (Key Vault, input validation, encryption), RBAC, and API key/credential management. Data Handling & Storage: Skilled in structured/unstructured data (CSV, JSON, XML, PDF, DOCX); efficient data processing and storage using ...

This is an opportunity to work on high-impact digital projects for purpose-driven organisations and contribute to the evolution of a modern, innovative development function. You will collaborate closely with strategists, designers, and developers to build exceptional web applications, take full ownership of development projects, and help … enjoys solving complex problems, and values craftsmanship in engineering. Tech stack: Vue.js, Nuxt, Headless CMS, Laravel or Node.js Key Responsibilities • Lead end-to-end development of bespoke, responsive websites and digital experiences • Build modern front-end interfaces with Vue.js, Nuxt and contemporary tooling • Develop and integrate backend services ...

system integration . Key Skills & Experience Proven experience as a Backend Python Developer , ideally within cloud environments. Solid understanding of microservice architecture and API development . Experience with AWS or Azure and containerisation (Docker, Kubernetes). Exposure to MLOps or AI model integration is desirable. Strong coding standards ...

components. Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions. Support the migration and refactoring of legacy ColdFusion code to modern development standards. Troubleshoot performance issues, implement fixes, and ensure best practices in coding and testing. Contribute to documentation, code reviews, and continuous improvement initiatives. ColdFusion …/CFML (Adobe ColdFusion or Lucee). Proficient in SQL and relational databases such as MySQL, PostgreSQL, or SQL Server. Solid understanding of REST API development, integrations, and modern application architecture. Familiarity with JavaScript frameworks (e.g., Vue.js, React) and front-end best practices. Experience with Git, CI/ ...

Software Developer Location: London, 1-2 days every 2 weeks Duration: until 2-Jan-27 Rate: £400-450 per day - umbrella only Required Skills: API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps … JavaScript, PowerShell & C# Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. Front-End Development: Build responsive and user-friendly front-end interfaces using frameworks such as React, Angular, or Vue.js. Back-End Development: Develop and maintain server ...

focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product … London office (close to Waterloo) with flexibility to work from home twice a week. About you: You have strong backend Python coding skills, including API development You have full stack experience, including TypeScript and React (or another framework) You have a good understanding of system design and scalability ...

technical expertise in Python, JavaScript, RESTful APIs, SQL, cloud infrastructure (AWS or Azure), IoT communication protocols (MQTT, Modbus, BACnet), and data visualizationtools. Responsibilities include API development, system integration, dataoptimization, and performance tuning. The candidate will collaborate with global engineering teams to deliver scalable smart facility solutions, ensuring reliability ...

researchers, and founders. Freedom to experiment with state-of-the-art models, tools, and frameworks. Modern tech stack (Python, LangChain, Hugging Face, OpenAI API, Pinecone, Kubernetes, etc.). Flexible working — remote-first culture with in-person team sessions for collaboration. Career acceleration — opportunities to own projects, lead development … Data Pipelines, Prompt Engineering, Model Fine-Tuning, Cloud Computing, AWS, Azure, Google Cloud, AI Infrastructure, Transformers, Reinforcement Learning, Vector Databases, Pinecone, Weaviate, Semantic Search, API Development, AI Deployment, Model Serving, AI Automation, Early Stage Startup, AI Startups, Tech Startup, Machine Intelligence, Applied AI, AI Applications, AI Innovation ...

continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. 'My The client' enables The client passengers to have a single login which is used to access bookings and self-serve their The client … optimise that delivery process. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. Communicate with and influence 3rd Party Stakeholders and the wider The client business to maintain strategic alignment of the products being developed. Grade ...

continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. 'My The client' enables The client passengers to have a single login which is used to access bookings and self-serve their The client … optimise that delivery process. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. Communicate with and influence 3rd Party Stakeholders and the wider The client business to maintain strategic alignment of the products being developed. Grade ...

other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft … stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms ...

Lead/Full Stack Developer AWS,TypeScript, ReactJS, Node.js, RESTful API English Speaking Remote working English Speaking Lead Full Stack Developer, English Speaking Skills: ? Professional experience in software development with a strong background in both Front End and Back End. ? Deep expertise in TypeScript, ReactJS, Node.js, and RESTful … API development. ? Experience with event-driven architecture, and cloud-native development. ? Strong understanding of SQL (structured query language) ? Very Proficient in AWS cloud services especially Lambda, SQS, S3, Cognito, API Gateway, EventBridge, etc. ? Hands-on experience with DevOps practices (eg Git) ? Familiarity with Front End tooling such ...

Software Developer Location: London, 1-2 days every 2 weeks Duration: until 2-Jan-27 Rate: £400-450 per day - umbrella only Required Skills: API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies click apply for full job details ...

practice. Your Profile Essential skills/knowledge/experience: * Strong understanding of HTML/CSS for responsive email. * Strong understanding and experience in SFMC API development * Strong understanding and experience in SSJS Scripting + relevant Scripting languages * Experience using Salesforce Marketing Cloud and Content Builder to deliver automated ...

launch of OrgVue. Support the creation of seamless data transfer between SuccessFactors and OrgVue and prepare data for return to SuccessFactors ahead of API development. Collate, review, cleanse, and prepare all people data for OrgVue modules (Modelling, Talent Selection, Strategic Workforce Planning). Use accurate data to provide insight ...

Enhanced paid sick leave and paid family leave provisions- Eye care and winter flu jabs vouchers- Cycle to work scheme- Investing in your professional development with ongoing quality training and career development opportunitiesThis is a brilliant opportunity for a talented software engineer who’s confident working with Node.js … 59.Other organisations may call this role Software Engineer, Software Developer, Back-End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer. Our commitment to Equality, Diversity & Inclusion: We are happy to consider any reasonable adjustments that candidates may need during the recruitment process, and you will ...

Enhanced paid sick leave and paid family leave provisions - Eye care and winter flu jabs vouchers - Cycle to work scheme - Investing in your professional development with ongoing quality training and career development opportunities This is a brilliant opportunity for a talented software engineer whos confident working with Node.js … 59. Other organisations may call this role Software Engineer, Software Developer, Back-End Software Engineer, Server-Side Developer, Full Stack Developer, or API Developer. Our commitment to Equality, Diversity & Inclusion: We are happy to consider any reasonable adjustments that candidates may need during the recruitment process, and you will ...