MortgageTech Client #1 | Senior Full Stack Developer

SD Solutions; Warszawa; Remote; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Remote work

Job summary

SD Solutions is partnering with MortgageTech Client #1 to recruit a Senior Full Stack Developer. You will build features across the stack with Vue 3 + TypeScript on the frontend and Django + DRF on the backend, while evolving loan pricing and investor eligibility engines.

You will integrate with mortgage ecosystem providers, design scalable data models, and implement automated tests using pytest, Vitest, and Playwright.

Qualifications

• 5+ years building production software across the full stack.
• 3+ years hands-on Vue.js + TypeScript.
• Strong Python + Django and REST API experience.
• Experience implementing AI features in a product.
• Excellent English, written and spoken.

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 mortgage ecosystem: LOS platforms, due diligence providers, credit and valuation vendors.
• Design data models and pipelines that scale with volume growth.
• Write tests to keep quality high: pytest, Vitest, Playwright.

Skills

Vue.js

TypeScript

Python

Django

REST API design

Database design

AI integration

English communication

Remote collaboration

Tools

OpenSearch

Playwright

pytest

Vitest

Job description

On behalf ofMortgageTech Client #1, SD Solutions is looking for a talented Senior Full Stack Developer

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.

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