Lead Full-stack Developer w Kraków, Polska

Lead 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 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.

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

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, https://jobeax.com/link/Z30sZYC3jcRenVso, 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

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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