Lead Full-stack Developer

EPAM Systems, Inc.; Poland; Hybrid; PLN 180,000 - 270,000; Full time

Benefits offered by this job

Health insurance

Multisport

Remote within Poland

Employee Stock Purchase Plan

Job summary

EPAM Systems, Inc. is seeking a Lead Full-stack Developer to help build a new product using Python/FastAPI on the back end and React/TypeScript on the front end. The stack includes PostgreSQL, OpenSearch, multi-cloud deployment, and Databricks for data processing.

You will design and implement scalable APIs, optimize complex queries, and contribute across the stack, including data engineering with PySpark. Collaboration with clients and internal teams is expected in a hybrid model within Poland.

Qualifications

• 7+ years producing production Python, FastAPI and SQL.
• Strong web app design, API creation and integrations.
• Experience handling high-load databases and performance tuning.

Responsibilities

• Build and maintain web apps using Python/FastAPI and SQL.
• Improve query performance in production environments.
• Support frontend work with TypeScript and React.
• Collaborate with GenAI engineering tools to speed delivery.
• Own features and drive results in a fast-moving startup.

Skills

Python

FastAPI

SQL

APIs design

OpenSearch

PostgreSQL

Databricks

TypeScript

React

Cloud & IaC

PySpark

Tools

Databricks

PostgreSQL

OpenSearch

Terraform / IaC

Job description

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.ResponsibilitiesBuild and maintain web applications leveraging Python/FastAPI and SQLArchitect APIs and integrations capable of supporting demanding database workloadsImprove query performance throughout production environmentsSupport front-end work involving TypeScript and ReactUtilize GenAI engineering tools to streamline development processesWork both collaboratively and independently on assigned responsibilitiesMaintain proactive communication with teammates and stakeholdersOwn product features and go beyond simply closing tickets to make meaningful contributionsHandle ambiguous situations and produce results within a fast-paced startup settingRequirementsMinimum of 7 years working in production with Python, FastAPI, and SQLStrong background in building web applications, designing APIs, and creating integrationsSkilled at managing high-load databases and enhancing query performanceSome exposure to TypeScript and React front-end work, along with openness to full-stack responsibilitiesPractical experience using GenAI engineering tools, Claude Code experience preferredExcellent communication abilities and self-motivation, with comfort working solo or as part of a teamAbility to navigate uncertainty and execute tasks independently in an open, rapidly evolving startupEnglish language skills at B2 level or aboveNice to haveStrong familiarity with TypeScript, React, Next.js, Storybook, Playwright, Radix UI, and ZustandBackground working with PostgreSQL and OpenSearchKnowledge of cloud platforms, Infrastructure as Code, and associated toolingData engineering exposure, particularly with PySpark and Spark SQLPrior experience interacting directly with clientsWe offerWe gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits 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 moreCorporate, social and well-being eventsPlease, 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 exclusivelyEPAM 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.