15 of 15 Remote API Integration Jobs in Chelmsford

frontend when needed. Tech Stack Primary (Backend) : TypeScript/Node.js Fastify framework PostgreSQL with Prisma ORM TypeBox for schema validation OpenAPI/Swagger for API documentation Secondary (Frontend): React Native with Expo Expo Router Zustand TanStack Query Key Responsibilities Primary: Develop and maintain RESTful APIs using Fastify and TypeScript … and authorization flows Write clean, maintainable, and well-documented code Participate in code reviews and maintain code quality standards Help optimize database queries and API performance Contribute to API documentation using Swagger/OpenAPI Secondary: Collaborate with frontend team on API integration Assist with React Native … implement and maintain frontend-backend interfaces Contribute to mobile app performance optimization Required Skills Essential: Strong experience with TypeScript and Node.js Proficiency in RESTful API development Experience with PostgreSQL or similar relational databases Understanding of database design and optimization Knowledge of authentication and authorization patterns Experience with API More ❯

Responsibilities: Develop Solutions for Dynamics Business Central in C/AL and AL Develop on the Microsoft Power Platform, Dynamics 365, PowerApps and PowerBI Integration development via API’s Design and develop bespoke solutions for customers and vertical products Skills Required: Minimum 4 years’ experience in developing Business … Central (C/AL) Minimum 4 years’ experience in developing Business Central Extensions (AL) Azure DevOps is a bonus API Integration and development Hands on developer Location The client has an office in Surrey Role is fully remote Client is not offering sponsorship Salary £70,000 + attractive More ❯

development, with a solid background in designing and deploying robust applications Technical Proficiency: Strong skills with modern Android development practices, server-side technologies, and API integrations (see technical skills for more details) Eye for Design: Experience in developing products that are user friendly and easy to use with Jetpack More ❯

scaling, and maintaining their growing SaaS platform. 🛠️ What You’ll Be Working With: JavaScript/TypeScript React Node.js (backend services) AWS Serverless – particularly Lambda , API Gateway, DynamoDB, etc. RESTful APIs and cloud-native architectures CI/CD workflows and version control (Git) 🧠 What You’ll Bring: 5–7+ years … focus Strong track record of building commercial projects and modern, responsive user interfaces with React Proven ability to contribute across the stack (Node.js backend, API integration) Strong experience working with AWS , particularly serverless environments Experience collaborating with UX/UI and Design teams to bring polished, thoughtful features More ❯

is a D365BC role) Role You will join a small Partner who are looking for a D365BC Developer to with C# skills to create API integrations for their clients. Key Skills Dynamics D365BC Developement (ESSENTIAL) C# API Integration development (ESSENTIAL) Good English communication Location: UK based No More ❯

Frontend-Leaning Fullstack Developer (React) – Contract (6+ Months) 🔧 React | UI & Reporting Interfaces | UK Payroll Reporting | API Integration 📍 Remote (UK-based) | Start: ASAP We’re hiring a Frontend-leaning Fullstack Developer to join a high-performing team driving transformation in UK payroll reporting for a leading global payroll and … and insights. 🎯 Key Objectives Develop and enhance UI-driven payroll reporting tools, dashboards, and data visualisations Support the uplift of payroll reporting APIs and integration with backend services (bonus: experience with .NET) Collaborate on building a scalable, maintainable frontend architecture aligned with long-term global reporting and AI initiatives More ❯

leading cross-functional teams in complex, fast-paced environments Strong commercial awareness and budget management skills Desirable: Experience with cloud technologies and/or API integration Background in Healthcare, Social care, or similar regulated industries Why Join Hallmark? Work on a high-impact, business-critical digital transformation programme More ❯

and secure Play a hands-on role in development, especially in Java (ideally with Quarkus/GraalVM, or SpringBoot as an alternative) Oversee backend API design and integration, including messaging platforms such as Pub/Sub Define and track technical KPIs (e.g. system availability, latency, error rates) Collaborate … for Quarkus or GraalVM; SpringBoot experience also considered Familiarity with messaging systems such as Pub/Sub, Kafka, or RabbitMQ Strong understanding of REST API design, CI/CD practices, and Agile methodologies Experience in fintech, payments, or banking domains Who this suits: Someone who is technically strong and More ❯

Interim API Developer | Hybrid or Remote | 3 Month Contract | Global Facilities Organisation We're working with a rapidly growing global facilities management business undertaking a large-scale digital transformation — moving from a patchwork of heavily customised on-prem systems to a modern cloud environment. The Situation Phase 1 of … the integration has been delivered by a third-party integrator, but Phase 2 is stalling. The business needs an experienced, independent API Developer to step in immediately, take the reins, and deliver point-to-point integrations between multiple systems. What’s In Place Legacy ERP, payroll, ops, and … on the journey of the "what", "how", and "why". Must Haves Independent mindset — able to deliver under your own steam Strong experience building API integrations end-to-end Able to work across systems, define and advise on best approaches Comfortable working across business teams and tech stakeholders Integration More ❯

and data workflows – Working knowledge of SQL and NoSQL, especially Postgres – Familiarity with cloud infrastructure (AWS preferred) and modern deployment patterns – Experience with RESTful API design and integration – Experience building pipelines for large-scale data sets – A collaborative mindset and drive to solve real-world problems at scale More ❯

Integration & Automation Consultant (APIs & Data) Fully remote, competitive salary + car allowance. Leading SaaS provider are growing their data integration & automation team. As we grow our Consulting Practice, we’re looking for a Senior Consultant who thrives on designing smart, scalable solutions that make a real impact for … of customer projects focused on system integrations and automation solutions. You’ll act as the subject matter expert in Power Platform, Power Automate and API integrations, and play a central role in shaping end-to-end solutions—from discovery and scoping through to delivery and support. You'll work … alongside Sales and Customer Success teams Promote innovation, continuous improvement, and technical excellence What You Bring 5+ years of hands-on experience in REST API development & design and Power Automate solutions Strong knowledge of Azure services (especially Power Platform, APIM, Event Grid ) Proven experience in s ystem integration More ❯

Roles & Responsibilities Create, maintain, and optimise Logic Apps and Sentinel playbooks to automate incident detection and response workflows in Microsoft Sentinel. Develop and implement API integrations between Microsoft Sentinel and other systems to enhance data collection, cross-system communication, and automation. Leverage APIs to streamline security operations and increase … workflows, and incident response processes within Microsoft Sentinel. Experience in building and maintaining workflows with Azure Logic Apps to automate processes. Strong experience in API development and integration. Proficiency in KQL, JSON, and PowerShell. Good written and verbal communication skills. Technical understanding of IT infrastructure – Microsoft 365 suite, Defender More ❯

Tilo are currently recruiting for a market-leading Software Solution provider in the UK. They are looking for a Senior Integration Consultant to join the team. The position is being offered as fully remote. This is a client facing role, working with clients to design and implement API More ❯

HubSpot Consultant | HubSpot Expert | API Integrations | CRM Customisations | Fully remote with access to central London office if required | £90,000 + bonus I am currently working with a exceptional digital consultancy with 20000+ employees, currently they have a small team in the UK as one of their most recent … technical expert across a number of large projects they are currently working on. Key Skills Strong experience in CRM implementation Experience with web-hooks, API integrations, and CRM customisations. HubSpot Expert with experience across the whole platform with hands-on experience configuring workflows, automation, and integrations Salesforce Marketing Cloud More ❯

Manage the end-to-end delivery of strategic projects, from initiation to delivery primarily focused on technology and data Oversee projects surrounding data transformation, API integrations, and migration to a standardised set of systems and applications Maintain project governance and contribute to the development and adherence of project management … learn and develop Ability to support and contribute to the maintenance of governance and best practice from a PMO perspective Nice to have requirements API Integrations, Data Migration, related projects Reporting into the Senior Programme Manager this role offers a collaborative working environment with a friendly team culture. There More ❯