Full-Stack Team Lead: Build Scalable, Data-Driven Apps

INFUSE; Poznań; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Reduced hours on Fridays in summer

Job summary

INFUSE is seeking a Team Lead Full Stack Developer to drive end-to-end solution delivery within our PMO department, leading a cross-functional team, shaping architecture, and ensuring high-quality, on-time releases.

You will mentor developers, build frontend with React/Vue, design robust backend APIs, integrate third-party services, and champion scalable data pipelines while collaborating with stakeholders to translate business needs into technical solutions.

Qualifications

• Mid-level+ hands-on experience with modern frontend frameworks (React and/or Vue).
• Strong backend development skills, including API design and database management (PostgreSQL and/or MongoDB; Redis; S3).
• Strong command of Python and Node.js; experience building REST and/or GraphQL APIs.
• Proficiency with AWS and Git; comfortable working with CI/CD pipelines.
• Daily, practical use of AI coding assistants (Claude, Cursor, GitHub Copilot, or similar); understanding of strengths/limitations across tools.
• Architecture-focused mindset: scalable systems, clean integration points, long-term maintainability.
• Startup mindset: comfortable with ambiguity, fast iteration, and wearing multiple hats.
• Experience with data/web scraping, MarTech, or SalesTech (highly desirable).
• Proficiency in Ukrainian and/or Russian language.
• English proficiency at B2 level or higher.
• Data analysis and data pipeline experience.

Responsibilities

• Drive the full product lifecycle – from rapid MVP scoping through maintainable production release.
• Build responsive frontend components using modern frameworks.
• Design and develop robust backend APIs and databases built for long-term maintainability.
• Integrate and manage third-party APIs, ensuring seamless, reliable data flow.
• Analyze data and build efficient data pipelines (strongly preferred).
• Collaborate with cross-functional teams to translate business requirements into clean technical solutions.

Skills

React

Vue

Python

Node.js

REST APIs

GraphQL

AWS

Git

CI/CD

AI coding assistants

Data pipelines

Web scraping

MarTech

SalesTech

Ukrainian/Russian

English (B2+)

Tools

PostgreSQL

MongoDB

Redis

S3

AWS

Git

CI/CD

Claude

Cursor

GitHub Copilot

Job description

INFUSE is seeking a Team Lead Full Stack Developer to drive end-to-end solution delivery within our PMO department, leading a cross-functional team, shaping architecture, and ensuring high-quality, on-time releases.

You will mentor developers, build frontend with React/Vue, design robust backend APIs, integrate third-party services, and champion scalable data pipelines while collaborating with stakeholders to translate business needs into technical solutions.