18 of 18 API Integration Jobs in the Thames Valley

Full-Time .Net MAUI Mobile App Developer (iOS & Android) — Remote (Europe / Asia)

Hiring Organisation
Astera
Location
Slough, Berkshire, UK
Employment Type
Full-time
designs into pixel-accurate UI User onboarding, application flows, and status tracking Admin-driven workflows and internal review tools Secure authentication and backend/API integrations App Store and Google Play deployment Tech expectations .NET MAUI strongly preferred (Equivalent cross-platform frameworks considered if well justified.) Proven experience implementing ...

Senior Embedded Android Developer

Hiring Organisation
Technology Resourcing
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £95000/annum hybrid working + many benefits
embedded devices (not just mobile apps). Strong Java for Android skills , including associated tools and test frameworks. UI design and implementation expertise. API integration experience. Ability to produce detailed requirements and design documentation. Clear communicator, comfortable explaining complex technical issues to technical and non-technical colleagues. Desirable ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
Slough, Berkshire, UK
Employment Type
Full-time
mobile development patterns. Proven track record of shipping complex mobile applications to production Comfortable mentoring peers and supporting technical decision-making. Solid understanding of API integration (GraphQL and/or REST). Strong communication skills — able to work effectively with engineers, product managers, and designers. Experience with native ...

Creative Engineer

Hiring Organisation
Tata Consultancy Services
Location
Slough, Berkshire, UK
Employment Type
Full-time
Good to have: Exposure to AR/VR development (Unity, Unreal Engine). Knowledge of generative art, motion design, or data visualisation. Experience with API integration and cloud platforms. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature ...

Payment Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
should not exclude otherwise strong candidates: Knowledge of BIAN, TOGAF, ArchiMate or C4. Experience with Avolution Abacus or similar architecture tools. Familiarity with microservices, API integration patterns and cloud concepts such as AWS. Exposure to global banking environments or large scale payment transformations. ...

Full Stack Engineer (Next.js

Hiring Organisation
Angry Swan Labs
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
5. Timeline Phase 1: Core Chassis, Auth, and Asset Import. Phase 2: State Management & Sync Logic. Phase 3: Client-Side Rendering Pipeline. Phase 4: API Integration & UI Polish. ...

Lead Software Engineer

Hiring Organisation
Bounce Digital
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
decisions, you'll love this. What You'll Do Lead the build of a complex reporting platform end-to-end Own front-end + API integration, dynamic forms, validations, workflows, and exports Make key architectural decisions that set the direction for the entire system Work independently … your own delivery cadence Align with cloud teams on integration, APIs, and infrastructure Ensure high standards: accessibility, security, performance, reliability Turn legislative requirements into clean, intuitive digital journeys What We're Looking For 6+ years engineering, including 2+ in a senior/lead role Deep experience in React, TypeScript ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
Slough, Berkshire, UK
Employment Type
Full-time
contribute to our mission! Responsibilities: As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems, focusing on API development and integration. Engineering on our TypeScript-based frontend systems, primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance … result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure ...

Account Executive

Hiring Organisation
How Ya Doing
Location
Slough, Berkshire, UK
Employment Type
Full-time
Mindset: You are equally comfortable prospecting your own leads as you are closing high-value deals. Market Fluency: You can speak confidently about API integrations, settlement cycles, and the shifting regulatory landscape. London Presence: You are ready to be part of the energy in the London office, driving ...

Business Operations Intern (AI & Automation)

Hiring Organisation
MosaiQ Labs
Location
Reading, Berkshire, UK
Employment Type
Full-time
script, dashboard, automation, or internal tool — even informally • You have exposure to product, engineering, or ops environments • You have tried light scripting or API integrations (not required) Mindset That Matters • Bias toward action — you build and iterate quickly • Builder mentality — small experiments first, scale once validated • Ownership — you drive ...

Business Operations Intern (AI & Automation)

Hiring Organisation
MosaiQ Labs
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
script, dashboard, automation, or internal tool — even informally • You have exposure to product, engineering, or ops environments • You have tried light scripting or API integrations (not required) Mindset That Matters • Bias toward action — you build and iterate quickly • Builder mentality — small experiments first, scale once validated • Ownership — you drive ...

Business Operations Intern (AI & Automation)

Hiring Organisation
MosaiQ Labs
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
script, dashboard, automation, or internal tool — even informally • You have exposure to product, engineering, or ops environments • You have tried light scripting or API integrations (not required) Mindset That Matters • Bias toward action — you build and iterate quickly • Builder mentality — small experiments first, scale once validated • Ownership — you drive ...

Senior Business Intelligence Developer

Hiring Organisation
Hays
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
hands-on experience with modern frontend frameworks (React, Next.js, Typescript, etc) Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration Strong knowledge of API integration. Proven experience in developing, testing, and deploying robust frontend solutions into production environments, ensuring reliability, scalability, and maintainability … data sources Scalability & performance: Ensure solutions are modular, performant, and scalable across OpCos, with CI/CD, automated testing, and cloud-native deployment Operational integration: Embed visualisations into BA workflows, enabling real-time decision-making and measurable impact Collaboration: Work closely with Data Engineers, Backend Engineers, and Analysts ...

Client Platform Engineering Lead | Digital Asset Trading Innovator

Hiring Organisation
Techfellow Limited
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
exchange, and compliance workflows. You'll guide the engineering strategy for a suite of internal and external systems - including CRM tooling, realtime reporting pipelines, API integrations, client portals, and surveillance utilities - while coaching a small but high-impact engineering team. This is a hands-on leadership position where … regulation-ready client technologies... Key Responsibilities Define and execute the engineering strategy for client-facing systems spanning CRM workflows, reporting platforms, and external integration points Lead, mentor, and develop a team of software engineers, fostering strong delivery discipline, resilience, and technical growth Partner closely with commercial and operational stakeholders ...

Salesforce Tech Lead

Hiring Organisation
Queen Square Recruitment Ltd
Location
Windsor, Royal Borough of Windsor and Maidenhead, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
meeting acceptance criteria. Conduct technical spikes and research into emerging technologies. Perform code reviews and uphold development standards. Collaborate with cross-functional teams on API integrations. Work closely with QA to troubleshoot and resolve issues. Mentor junior developers and support their growth. Required Skills & Experience: 10+ years of overall … Salesforce development (declarative + programmatic). Strong experience with Sales Cloud and Service Cloud. Experience Cloud knowledge. Advantageous: Salesforce Industries (Vlocity) – Omniscripts, EPC, Integration Procedures. Familiarity with Git or equivalent version control tools. Strong background in Agile/SCRUM delivery. Excellent communication, problem-solving, and stakeholder-management skills. Ability ...

C++ Developer MacOS API

Hiring Organisation
Client Server
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
core product, written in C/C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Location/WFH: You can work from home most of the time, meeting up with colleagues in the London office once or twice ...

Solutions Architect

Hiring Organisation
Cocentric
Location
Slough, Berkshire, UK
Employment Type
Full-time
solution design technical deployment for new Connect implementations • Work directly with clients to understand business needs, technical environments, and integration requirements • Define architecture, data flows, authentication methods, and system configurations • Collaborate closely with engineers, project managers, and digital consultants to deliver solutions that are technically sound and practically deliverable … Create solution documentation, diagrams, and technical specifications to guide delivery • Support pre-sales conversations with technical expertise and design input • Champion best practices in integration, identity, and data architecture • Contribute to the continuous improvement of solution design processes WHAT YOU'LL BRING • Strong technical experience designing solutions across ...

AI Services - Business Development Officer (UK only)

Hiring Organisation
Salyant Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
aligned to specific business use cases, including internal AI tools and business process automation AI workflow automation and orchestration (including n8n or equivalent platforms) API integrations and system automation across IT and SaaS platforms AI agent configuration, prompt engineering, and model integration (LLMs, embeddings, OCR, retrieval systems) Development … house AI engineers under defined scopes and commercial terms. Key Responsibilities: Identify and engage UK-based organisations with clear AI, IT automation, or SaaS integration needs Qualify opportunities strictly within Salyant's delivery scope and commercial model Lead discovery calls focused on business outcomes and implementation readiness Own sales ...