Lead Full-stack Developer

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.

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 stakeholdersOwn product features and go beyond simply closing tickets to make meaningful contributions
• Handle ambiguous situations and produce results within a fast-paced startup setting
• 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 aboveNice to haveStrong familiarity with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and Zustand
• Background working with PostgreSQL and Open
• Search
• Knowledge of cloud platforms, Infrastructure as Code, and associated tooling
• Data engineering exposure, particularly with PySpark and Spark SQL
• Prior experience interacting directly with clientsWe offerWe 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 opportunitiesWe provide growth opportunities:

Career development programs

Thought leadership, mentoring, soft skills and well-being programs

Certification (Anthropic, Gemini, GCP, Azure, AWS)

English classesWe 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 $2,000Offices 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 onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusively

EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.