Senior Full-Stack Engineer – End-to-End & AI-Driven Systems

INFUSE; Gdynia; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Reduced working hours on Fridays"

Schedule: Monday–Friday, 1 PM – 9 PM E

Job summary

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

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

Qualifications

• Experience building full-stack web applications from end to end.
• Strong frontend and backend development skills with modern frameworks.
• Experience designing scalable APIs and data models.
• Familiarity with cloud services and DevOps practices.

Responsibilities

• Drive the full product lifecycle – from rapid MVP scoping through maintainable production release
• Build responsive, well-crafted frontend components using modern frameworks
• Design and develop robust, scalable 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

API design

REST/GraphQL

AWS

CI/CD

Git

AI coding assistants

LLMs integration

Architecture mindset

Startup mindset

English (B2+)

Ukrainian/Russian language

Tools

PostgreSQL

MongoDB

Redis

S3

Docker

Kubernetes

Job description

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

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