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StartupSoft Logo StartupSoft · IT - Software Development

Senior Full Stack Engineer (Python)

Ukraine Employment contract · Job Posted May 16, 2026
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Job Description

The product focuses on transforming the large and inefficient returns segment of retail into a more structured and engaging experience. It aggregates high volumes of returned and surplus goods and redistributes them through a digital platform that combines elements of discovery, dynamic pricing, and localized fulfillment.

Job Responsibility

  • Design and implement new product features across the customer marketplace and internal operations tools
  • Translate loosely defined business problems into scalable technical solutions
  • Take ownership of projects from planning to production deployment
  • Help prioritize and execute a growing feature backlog
  • Build and maintain scalable backend services and APIs
  • Contribute to ongoing migration from C# to Python for internal systems
  • Improve performance, reliability, and scalability of existing services
  • Work with PostgreSQL and Elasticsearch integrations
  • Develop and maintain modern web frontends using Vue/Nuxt
  • Collaborate with product and operations teams to improve user workflows
  • Write clean, maintainable, well-tested code
  • Participate in code reviews and help raise engineering standards
  • Improve SDLC practices, sprint planning, and delivery predictability
  • Contribute to technical decision-making and architecture discussions
  • Work closely with product, operations, and support teams
  • Help investigate and resolve technical issues when needed
  • Provide mentorship and guidance to less experienced engineers

Requirements

  • Strong full-stack engineering experience (mid-senior or senior level)
  • Experience designing and delivering production systems end-to-end
  • Strong backend experience with at least one of: Python (preferred), or C# / .NET
  • Frontend experience with modern JS frameworks: Vue / Nuxt or similar (React/Angular acceptable)
  • Experience working with relational databases (PostgreSQL or similar)
  • Experience building REST APIs and scalable web services
  • Strong problem-solving skills and ability to work autonomously

Nice to have

  • Experience migrating systems between technologies
  • Experience with AWS or cloud infrastructure
  • Familiarity with CI/CD pipelines and modern deployment workflows
  • Experience with Elasticsearch or search technologies
  • Experience working in startups or fast-growing environments

What we offer

  • Work with top entrepreneurs and startups from Silicon Valley and EU
  • Become an integral part of the core team — be more than someone who just writes code
  • Potential to receive equity in high-growth startups
  • Beautiful offices in the best locations with high-end amenities
  • Above average salary, benefits & medical insurance
  • Only the latest, modern technologies with no legacy code and management bureaucracy
  • Contribute to well-funded products with potential to impact millions
  • Tight-knit team with an inclusive and transparent culture
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