Tech Lead managing the evolution of Koin's credit decision engine. Leading backend development with Typescript and ensuring integration with product strategy for financial innovation in Latin America.
About the role
- Software Engineering Lead developing scalable web applications with a tech team at Houst, focusing on architecture and mentoring. Remote work with occasional meetups in Kraków.
Responsibilities
- Lead development of scalable web apps using Python 3, React, React Native, Flask, and SQLAlchemy
- Design, implement, and optimise RESTful APIs to power platform functionality
- Set coding standards through CI, peer reviews, and automated testing
- Mentor junior developers and build a culture of learning and technical excellence
- Optimise and maintain databases (PostgreSQL, Redis)
- Collaborate with cross-functional teams (Product, Ops, Growth, CS) to shape new features
- Champion automation to improve scalability and efficiency
- Refine deployment pipelines to ensure smooth, stable releases
- Stay ahead of tech trends and apply them to improve Houst’s platform
Requirements
- 6+ years of software development experience
- Strong background in RESTful API design and implementation
- Expertise in database management (PostgreSQL, Redis)
- Experience with CI/CD pipelines
- Good grasp of agile methodologies (Scrum, Kanban)
- Strong problem-solving skills and workflow optimisation mindset
- Experience designing scalable systems and improving UX
- Leadership skills with proven ability to mentor and guide a dev team
- You must have the full and unrestricted right to work in Poland, and registered as a B2B contractor **
Benefits
- Fully remote role with bi-weekly office meetups in Kraków
- Chance to shape the technical strategy of a fast-growing proptech
- A collaborative, international team who value quality, speed, and innovation
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