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Edvantis Logo Edvantis · IT - Software Development

Senior Full-Stack Developer

Poland · Job Posted January 20, 2026
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Job Description

We are opening the position of a Senior Full-Stack Developer for a new short-term project of our enterprise-level Customers, who provide SaaS solutions to help companies optimize their businesses. The project goal is to include design and develop (along with counterparts and distinguished Architects) a ground-up cloud native GenAI/UX platform.

Job Responsibility

  • Work on the design and development of scalable, AI-enabled applications using Python
  • Build intuitive front-end interfaces using React to deliver seamless user experiences for AI agents
  • Maintain robust back-end services using Python (e.g., FastAPI), with a focus on performance and security
  • Collaborate with Product Owners, Scrum Masters, and SMEs to translate business needs into technical solutions
  • Drive innovation by exploring new tools and techniques to improve scalability and performance
  • Stay current with emerging AI/ML technologies and industry trends

Requirements

  • 5+ years of experience with React and Node.js
  • Experience with APIs and event-driven architecture (Kafka, Redis)
  • Solid understanding of microservices and service-oriented architecture
  • Exposure to any of latest technologies e.g. Kafka, Akka, Storm, Spark/Flink, and GraphQL
  • Eagerness to learn new tools, languages, and frameworks
  • English level – Upper-Intermediate or higher

Nice to have

  • Experience with Pyton/FastAPI
  • Familiarity with AI/ML techniques such as NLP, computer vision, and LLMs
  • Experience with building AI agents

What we offer

  • Remote-first work model with flexible working hours (we provide all equipment)
  • Comfortable and fully equipped offices in Lviv and Rzeszów
  • Competitive compensation with regular performance reviews
  • 18 paid vacation days per year + all state holidays
  • 12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
  • Medical insurance with an affordable family coverage option
  • Mental health program which includes free and confidential consultations with a psychologist
  • English, German, and Polish language courses
  • Corporate subscription to learning platforms, regular meetups and webinars
  • Friendly team that values accountability, innovation, teamwork, and customer satisfaction
  • Inclusive environment where everyone feels valued and treated equally. We proudly partner with VeteranHub to support Ukrainian veterans
  • We are committed to supporting Ukraine and actively participate in charity initiatives
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