At interop.io, we empower the world’s leading financial institutions to integrate and automate mission-critical applications across the enterprise desktop. To strengthen our Product Support team, we’re looking for a Developer Support Engineer with strong technical skills — ideally someone with a software development background who wants to apply their expertise in a client-facing support role.
You’ll be analyzing logs, debugging code, troubleshooting APIs, and collaborating directly with Engineering and Product to solve complex client problems. If you enjoy combining hands-on technical problem solving with real client impact, and you’re looking for something beyond a call center role we would love to hear from you!
In this role you will:
- Investigate and resolve complex client issues by analyzing logs, stack traces, APIs, and integration flows
- Debug JavaScript/TypeScript in production-like scenarios; write small scripts/tests to reproduce client environments
- Communicate with customers via ticketing system, or email
- Initiate and participate in audio/video calls to deeply troubleshoot issues within the customer’s environment
- Collaborate closely with Product and Engineering teams to identify root causes and ensure smooth resolutions
- Build diagnostic tools, scripts, and sample applications to streamline support and improve client outcomes
- Contribute to our knowledge base and internal runbooks with developer-grade solutions and examples
- Act as a trusted technical advisor, explaining issues and best practices to both technical and non-technical stakeholders
- Participate in on-call rotation (shared across the team / approx. 1 week per month)
Your profile:
- Strong JavaScript / TypeScript literacy (read/debug production code; write small scripts/tests)
- Proficient in log analysis (stack traces, errors, correlation across services)
- API troubleshooting (REST/GraphQL; auth flows; headers; Postman/cURL)
- Working knowledge of desktop/web fundamentals: Electron, iframes, browser contexts, CORS, storage
- Practical understanding of environments/config management (dev/QA/stage/prod; feature flags; versioning)
- Excellent written and verbal communication skills, with the ability to translate technical findings into client-friendly language
- Desire to help customers and willingness to contribute to the team’s success
- Fluent in English – verbally & written
- Availability to perform on-call duties
Nice to have
- QA/Automation or DevOps exposure (CI logs, releases, telemetry)
- Scripting beyond JS (Python/Node CLI, .NET, Java) for quick internal tools
- Experience with enterprise client support and secure data handling
- Familiarity with Jira/JSM workflows and disciplined documentation
We offer:
- Competetive, market-leading salary
- The freedom to work from home or the office
- Performance bonuses
- 25 days off with up to 8 extra bonus days paid annual holiday
- Premium healthcare and dental package.
- Co-funded Multisport card
- Food vouchers
- Access to an employee Well-being program
- Long-term employee value distribution scheme (LEVD)
- Modern office space at Campus X, recreation zones, and a spacious rooftop terrace
- Generous refer-a-friend program
- Experienced, skilled and friendly teammates
- Clear career path and continuous learning opportunities.
About interop.io
interop.io is a software infrastructure company delivering technology solutions to some of the largest financial institutions in the world.
interop.io was formed in June 2023 through the merger of Finsemble and Glue42 to create a global powerhouse driving application interoperability in capital markets and beyond. interop.io brings together the award-winning technologies of both companies to offer a suite desktop and browser products.
At the core is io.Connect, which enables clients to build and deploy highly intuitive front ends that bring different applications and functionality into a single, harmonized smart desktop. In this way, the boundaries between different applications are dissolved, and users are free to focus on higher-value tasks.
The company employs over 120 people, including R&D and implementation engineers located in New York, Charlottesville, London, and Sofia.
