> Markdown version of [/jobs/ext/4492278-integration-specialist](https://www.wearedevelopers.com/jobs/ext/4492278-integration-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Integration Specialist - **Company:** Harrington Starr - **Location:** UK (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Business Analytics Applications, C Sharp (Programming Language), Software as a Service, Databases, Database Queries, DevOps, Python (Programming Language), Log Analysis, Windows PowerShell, Standard Sql, Server Administration, SQL Databases, Systems Integration, Scripting, Software Troubleshooting, Information Technology, Enterprise Integration, Grpc, SDET - **Published:** November 2, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/integration-specialist/54699132 ## About the Role Technical Skills Strong scripting experience in Python Proficient in SQL (joins, aggregations, and complex queries) Solid understanding of APIs (REST/gRPC) and system integrations Skilled in technical troubleshooting and log analysis Soft Skills Excellent written and verbal communication Strong time and task management skills Proactive, curious, and able to work independently Knows when to seek help and escalate appropriately Experience 2+ years in a related technical role (e.g., DevOps, Technical Support, Integration Engineer, Solutions Engineer, or SDET) Bachelor's degree (preferably in Computer Science, Engineering, or a technical field) Nice to Have Experience in FinTech, trading, or capital markets Familiarity with C# or Java Experience with PowerShell or basic server administration Background in a startup or scale-up environment Previous client-facing technical experience Why Join? You'll be part of a small, dynamic team where your ideas and input make a direct impact. Expect a fast-moving environment, technical autonomy, and the chance to work on real-world trading integrations that power institutional finance. If you're a technical all-rounder who thrives in a collaborative and client-driven environment, we'd love to hear from you. ## Description We're looking for a motivated and hands-on Technical Solutions Engineer / Integration Specialist to join a profitable and rapidly growing FinTech company that builds cutting-edge trading and analytics solutions for institutional clients. This is a client-facing, technically challenging role ideal for someone who enjoys problem-solving, scripting, and working across integrations and APIs in a fast-paced environment. You'll play a key role in ensuring successful client onboarding and long-term integration success across my client's trading platform. What You'll Be Doing Lead technical onboarding and integration for new clients, configuring their trading platform to work seamlessly with client systems and trading venues. Manage and deliver custom integrations , gathering requirements, liaising between clients and internal teams, and supporting implementation. Provide technical support for live clients - troubleshooting application, API, and database issues using logs and SQL queries. Execute SQL queries, perform configuration updates, and analyse system logs to identify and resolve production issues. Own client deliverables end-to-end, ensuring timely communication, delivery, and client satisfaction.