Senior Full Stack Developer
Miejsce pracy: Kraków
Technologies we use
Expected
- Python
- FastAPI
- SQL
- TypeScript
- React
- Claude Code
Optional
- TypeScript
- React
- https://jobeax.com/link/Z30sZYC3jcRenVso
- Storybook
- Playwright
- Radix UI
- Zustand
- PostgreSQL
- OpenSearch
- PySpark
- Spark SQL
About the project
We're seeking a Senior Full-stack Developer to help build a new product using Python and FastAPI for the backend, React/TypeScript for the frontend, and PostgreSQL and OpenSearch for database management. The product runs in a multi-cloud environment and relies heavily on Databricks.
Your responsibilities
- Build and maintain web applications with Python/FastAPI and SQL
- Design APIs and integrations that handle high-load database operations
- Improve query performance across production systems
- Support front-end development efforts using TypeScript and React
- Use GenAI engineering tools to enhance development workflows
- Work both collaboratively with the team and independently on assigned tasks
- Maintain proactive communication with team members and stakeholders
- Own product features and contribute meaningfully beyond simply completing tickets
- Handle ambiguity and deliver results within a fast-paced startup setting
Our requirements
- 5+ years of hands-on production experience with Python, FastAPI, and SQL
- Strong expertise in web application development, API design, and integrations
- Skilled in managing high-load databases and optimizing query performance
- Some front-end experience with TypeScript and React, along with openness to full-stack work
- Practical experience using GenAI engineering tools, Claude Code preferred
- Excellent communication skills and a proactive mindset, comfortable working solo or as part of a team
- Ability to navigate ambiguity and make progress independently in a transparent, fast-moving startup setting
- English fluency at B2 level or above
Optional
- Strong background in TypeScript, React, https://jobeax.com/link/Z30sZYC3jcRenVso, Storybook, Playwright, Radix UI, and Zustand
- Hands-on experience with PostgreSQL and OpenSearch
- Knowledge of cloud platforms, Infrastructure as Code, and related tooling
- Experience in data engineering, particularly working with PySpark and Spark SQL
- Prior experience working directly with clients
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
This is how we work on a project
- Continuous Deployment
- Continuous Integration
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
- Recruiter Interview (30 min)
- Technical Interview (90 min)
- Manager Interview (60 min)
- Meeting with the Project Team or Client (60 min, optional)
- 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.
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