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Lead Full-stack Developer
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building an AI/data-driven product using Python and FastAPI on the backend and React/TypeScript on the frontend. It leverages PostgreSQL, OpenSearch, Databricks and a multi-cloud setup. Responsibilities include architecting APIs and integrations, developing and maintaining web applications, improving query performance for high-load databases and supporting front-end tasks. Required experience includes 7+ years in production with Python/FastAPI/SQL and practical use of GenAI engineering tools (Claude Code preferred).

newyou can start ASAP

Lead Full-stack Developer

Company: EPAM Systems (Poland) sp. z o.o.

from: 22 September 2026
to: 22 October 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior • expert
working mode:remote
Kraków, Grzegórzki
Kraków, GrzegórzkiFabryczna 1AView on map

Requirements

Expected technologies

Python
FastAPI
SQL
TypeScript
React
Claude Code

Optional technologies

TypeScript
React
Next.js
Storybook
Playwright
Radix UI
Zustand
PostgreSQL
OpenSearch
PySpark
Spark SQL

Our requirements

  • Minimum of 7 years working in production with Python, FastAPI, and SQL
  • Strong background in building web applications, designing APIs, and creating integrations
  • Skilled at managing high-load databases and enhancing query performance
  • Some exposure to TypeScript and React front-end work, along with openness to full-stack responsibilities
  • Practical experience using GenAI engineering tools, Claude Code experience preferred
  • Excellent communication abilities and self-motivation, with comfort working solo or as part of a team
  • Ability to navigate uncertainty and execute tasks independently in an open, rapidly evolving startup
  • English language skills at B2 level or above

Optional

  • Strong familiarity with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
  • Background working with PostgreSQL and OpenSearch
  • Knowledge of cloud platforms, Infrastructure as Code, and associated tooling
  • Data engineering exposure, particularly with PySpark and Spark SQL
  • Prior experience interacting directly with clients

Your responsibilities

  • Build and maintain web applications leveraging Python/FastAPI and SQL
  • Architect APIs and integrations capable of supporting demanding database workloads
  • Improve query performance throughout production environments
  • Support front-end work involving TypeScript and React
  • Utilize GenAI engineering tools to streamline development processes
  • Work both collaboratively and independently on assigned responsibilities
  • Maintain proactive communication with teammates and stakeholders
  • Own product features and go beyond simply closing tickets to make meaningful contributions
  • Handle ambiguous situations and produce results within a fast-paced startup setting

About the project

We're seeking a Lead Full-stack Developer to help build a new product powered by Python and FastAPI on the backend, React/TypeScript on the frontend, and PostgreSQL and OpenSearch for database management. This product runs in a multi-cloud setup and relies extensively on Databricks.

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration

What we offer

We gather like-minded people:
  • Top tech minds driving innovation in AI, cloud and digital platform modernization
  • Supportive team and agile, startup-like culture
  • Hybrid by design mode and opportunity to work remotely within Poland
  • Chance to work abroad for up to 60 days annually
  • Business-driven relocation opportunities
    • We provide growth opportunities:
  • Career development programs
  • Thought leadership, mentoring, soft skills and well-being programs
  • Certification (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
    • We cover it all:
  • Stable pay
  • Participation in the Employee Stock Purchase Plan with a 15% discount
  • Benefits package (health insurance, multisport, shopping vouchers)
  • Referral bonuses up to $2,000
  • Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
  • Corporate, social and well-being events
    • Please, note:
  • Benefits listed above are available to employees only
  • We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
  • We will reach out to selected candidates exclusively

    • Development opportunities we offer

    • conferences in Poland
    • development budget
    • external training
    • industry-specific e-learning platforms
    • intracompany training
    • mentoring
    • soft skills training
    • space for experimenting
    • substantive support from technological leaders
    • support of IT events
    • technical knowledge exchange within the company

    Benefits

    • private medical care
    • life insurance
    • flexible working time
    • fruits
    • integration events
    • retirement pension plan
    • no dress code
    • video games at work
    • coffee / tea
    • parking space for employees
    • leisure zone
    • employee referral program
    • charity initiatives

    Recruitment stages

    • 1.
      Recruiter Interview (30 min)
    • 2.
      Technical Interview (90 min)
    • 3.
      Manager Interview (60 min)
    • 4.
      Meeting with the Project Team or Client (60 min, optional)
    • 5.
      Welcome Aboard!

    EPAM Systems (Poland) sp. z o.o.

    EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
    Lead Full-stack Developer
    I apply to:
    EPAM Systems (Poland) sp. z o.o.
    Kraków, Grzegórzki
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