MortgageTech Client #1 | Senior Full Stack Developer

Location: Warsaw, Poland On behalf of MortgageTech Client #1 , SD Solutions is looking for a talented Senior Full Stack Developer SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer. Responsibilities: Build features across the stack: Vue 3 + TypeScript on the front, Django + DRF on the back Evolve core engines: loan pricing and investor eligibility matching Integrate with the mortgage ecosystem: LOS platforms, due diligence providers, credit and valuation vendors Design data models and background pipelines that stay fast as volume grows Write the tests that keep it all honest: pytest, Vitest, Playwright Requirements: Daily, hands-on work with AI coding agents (Cursor, Claude Code, Codex, or similar): runs several in parallel and knows where their output needs judgment Hands-on experience building AI into a product: LLM features, agents, retrieval, evaluation. Not only coding with AI tools 5+ years building production software, with real depth on both sides of the stack 3+ years hands-on Vue.js + TypeScript Strong Python + Django, solid REST API instincts, and real database skills: schema design, query performance, safe migrations Experience in complex platform companies: real integrations, real data, real scale A strong eye for UI/UX and clear communication Proven remote work: has shipped for years from a home office, communicates in writing by default, and does not need someone nearby to stay unblocked Strong team player, easy to work with, and quick to move Charismatic and likes to lead: pulls people along without needing the title Excellent English, written and spoken Able to work independently and carry several threads at once Proactive mindset and a real appetite for learning new technologies Comfortable in a client-facing, professional environment Advantages: Fintech or mortgage background OpenSearch Playwright About the company: A direct marketplace for whole-loan mortgage transactions, providing lenders and investors with smarter pricing, automated eligibility assessment, and end-to-end transaction management — built to modernize an industry still heavily reliant on manual processes. By applying for this position, you agree to the terms outlined in our Privacy Policy. Please take a moment to review our Privacy Policy https://sd-solutions.breezy.hr/privacy-notice , and make sure you understand its contents. If you have any questions or concerns regarding our Privacy Policy, please feel free to contact us.