23 of 23 Permanent API Integration Jobs in East Sussex

a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate API for aggregating social media data. Contribute to system architecture and backend service design, including authentication and data flow across … 6+ years of experience in full-stack development roles. Strong proficiency in JavaScript/TypeScript , React , NestJS , and MongoDB . Solid experience with API integration (GraphQL, REST, OAuth). Familiarity with infrastructure tools like Docker or cloud platforms (e.g., AWS, Vercel, or GCP). Comfortable working in dynamic More ❯

and motivated Data Engineer to join a dynamic team. The ideal candidate will have a strong background in SQL, Python, ETL processes, and data integration, ideally in Databricks. You will play a crucial role in continuing an exciting project designing, developing, and maintaining data infrastructure to ensure the seamless … data validation routines to ensure data quality and integrity. Develop and optimize SQL queries for data extraction, transformation, and loading. Strategic Solution Design: Data Integration: Integrate data from multiple sources, including APIs & relational databases. Collaborate with cross-functional teams to gather and understand data requirements. Database Management: Design and … maintain relational database schemas to support business needs. Ensure efficient storage, retrieval, and management of large datasets. API Management: Develop and maintain APIs for data access and integration. Utilize tools like Postman for API testing and documentation. A good understanding of working with APIs: Ensure robust and efficient More ❯

builds and integrations, particularly WordPress and Contentful. Familiar with animation libraries (e.g., GSAP, Lottie, Framer Motion). Skilled in CI/CD, Git workflows, API integration, and cloud platforms (AWS, GCP, Azure). Solid grasp of scalable architecture patterns and infrastructure fundamentals. Excellent communicator, capable of clear technical More ❯

Microsoft Dynamics 365 Business Central Skilled in utilising the AL language for extension development Hands-on experience connecting Business Central with external platforms through API integrations Well-versed in database architecture and proficient in SQL Server Thorough grasp of the full software development lifecycle, with practical knowledge of Agile More ❯

customers - making commerce smarter, faster, and seamless. As we continue to expand we need elite developers to join us. We're talking big architecture, API-first development, scalable microservices, and cloud-native everything. If you live and breathe clean code, thrive in fast-paced environments, and want to be … Doing Leading, architecting and building scalable, high-performance SaaS solutions using Laravel (PHP), React/Vue.js, and cloud-based serverless architecture. Design and develop API-first applications, integrating with multiple third-party services in the eCommerce and fintech ecosystems Lead the development of new features and products with speed … culture of innovation and learning What You'll Need Experience as a software developer in fast-paced SaaS, eCommerce, fintech, or affiliate marketing environments API integration expertise with a deep understanding of RESTful services and scalable architectures Experience working with Google Cloud Platform (GCP), or AWS, using cloud More ❯

years in), looking to grow and shape their expertise in a dynamic, fast-paced setting. You’ll support the delivery and implementation of API-driven integrations as this organisation moves away from legacy SQL environments towards a scalable, cloud-first middleware ecosystem. With Azure Logic Apps and the broader … decisions, shaping modern data flows, and helping define what “good” looks like in a blank-slate environment. Key Skills & Experience: Must-have: Experience with API integration , Azure Stack , and Azure Logic Apps Experience supporting or delivering integration projects , ideally in operational systems Familiarity with data modelling techniques … motivated, curious, eager to roll up your sleeves and make an impact. You might be in your second or third role, already contributing to integration or data migration work, and now looking for a chance to take ownership and grow your capability in a more complex, cloud-based architecture. 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 ❯

lifecycle management Ideal Candidate Profile 4+ years of SQL experience (PostgreSQL, Oracle, or MSSQL) 3+ years in Python or PowerShell scripting Hands-on with API integrations (REST, SOAP) Strong experience with DBT and Snowflake Confident in data modelling, automation, and testing frameworks Familiarity with GIT, Jenkins, and Agile environments More ❯

implementation and improving the overall quality of these key growth drivers. Key Skills: Proficient in React Experience in Ruby environments. Experience with GraphQL for API development and integration. Solid understanding of HTML, CSS, and JavaScript standards. Knowledge of testing frameworks (e.g., Jest, React Testing Library) is a plus. If More ❯

to MPB's ability to scale and innovate, supporting our growing platform and diverse customer base. You'll work on both backend services and API integrations that power key parts of the business. Maintaining and Extending Existing Services: You'll take ownership of existing Python web services, working to More ❯

of them. Key skills and experience required: Proven experience in DevOps or Software Engineering with a focus on security Azure/M365 Security Scripting & API integration CNAPP (with Crowdstrike) EntraID The role is ideally looking for someone that could start immediately, however for the right candidate, we are More ❯

you will be: Managing a team of 3/4. Building models to produce KPI trackers, such as linear regression and statistical models. Accessing API integration of different software, working with databases and supporting the revenue team with their data analysis requirements. Skills & Experience Statistics Data Science Modelling More ❯

within 4 weeks Clean GitHub repo + README Deployment to staging/production Post-launch bug support 📌 Requirements Experience with Whisper, GPT-4, and API integrations SaaS healthcare startup experience is a strong bonus Fluent English + available for Zoom kickoff 💰 Budget: $2,000–$3,000 depending on experience More ❯

front-end and back-end development, ensuring the platform remains secure, performant, and user-friendly. Back-End Development with Drupal, using PHP and REST API integrations Implement Figma designs into fully responsive, engaging front-end interfaces. React components along with headless Drupal Work with UX designers and product teams More ❯

the business. Key Responsibilities Own the post-sales relationship with assigned clients, ensuring a smooth onboarding and implementation process. Provide hands-on support for API integrations and platform configuration, escalating issues internally where needed. Manage client projects and service requests using tools like Jira, ensuring accurate tracking and timely More ❯

be built by on or offshore engineers Work effort estimations Enterprise ACD, CTI and IVR experience including management of system limitations (threads, memory, etc..) API integrations and Web service experience including authentication and synchronous/asynchronous designs Management of implementation being performed by engineers including code reviews, troubleshooting, requirements … sales or project deliveries. Eventus Solutions Group, LLC, operating under the brand Navixus has successfully merged with its parent organization, Tech Mahindra. This strategic integration strengthens our operational efficiency, enhances our service offerings, and enables us to deliver even greater value to our clients. By combining complementary resources and More ❯

Working with Docker, containers, and Linux infrastructure to streamline deployments. Leading problem-solving sessions, code reviews, and architectural planning for exciting ecommerce innovations. Managing API integrations and optimising database performance. What You’ll Need Strong experience with PHP 8 and Laravel 10+ Proficiency with JavaScript frameworks (Vue.js, Alpine.js) Docker … containers, and Linux expertise Solid experience with Git and MySQL RESTful API design and integration knowledge Bonus Skills Familiarity with queueing mechanisms and distributed task processing Experience integrating payment systems (Stripe, PayPal, etc.) CI/CD and unit testing best practices Agile/Scrum background Why Join? Generous 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 ❯

AI for automated ad creation, content personalization, and A/B testing. Enhance Dynamic Creative Optimization (DCO) capabilities for personalized ad experiences. 3. Data & Integration Framework Define data ingestion, processing, and activation strategies across first-party, second- party, and third-party data sources. Ensure seamless API integrations with 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 ❯

with business requirements, scalability needs, and best practices. Build complex applications and customisations on the Salesforce platform using Apex, Visualforce, Lightning Web Components, and API integrations. Manage data models, facilitate data migrations, and ensure data integrity across Salesforce and integrated systems. Work closely with cross-functional teams, including business … the role: 4+ years of hands-on experience with Salesforce Development Hands-on experience using APEX, Visualforce, LWC Strong experience with REST and SOAP API integrations Salesforce Certified - PD1 Ideally Exposure to various Salesforce clouds including Sales, Service and Experience Cloud. Experience with Agile/Scrum methodologies Full Right 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 ❯