Senior FinTech Full-Stack Engineer High-Load AI-Driven

DevBrother; Wrocław; Hybrid; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Flexibility & Hubs

Health & Wellness

Time Off

Growth

Equipment

Contractor Support

Culture

Job summary

DevBrother in Poland seeks a Senior Full-Stack Engineer (Web & Backend) to drive the integration of a high-load trading platform with a major bank. You will build and optimize secure, scalable components bridging the trading engine with the bank's architecture.

The role requires 5+ years of experience, strong Node.js/TypeScript backend and React frontend skills, plus database, CI/CD, and containerization expertise. English fluency and clear communication with executive teams are essential.

Qualifications

• 5+ years of commercial development as a Full-Stack or Senior Backend Engineer.
• English: Upper-Intermediate or Fluent, excellent technical communication.
• Deep knowledge of Node.js/TypeScript, RESTful APIs, WebSockets, and message queues.
• Strong React.js/TypeScript frontend skills and data-heavy interfaces.
• Experience with relational databases, SQL optimization, CI/CD, and containerization.

Responsibilities

• Infrastructure Integration: Design and implement secure, scalable integrations bridging our trading engine with the bank's architecture.
• Full-Stack Development: Build and maintain high-performance server-side services and responsive web interfaces for complex financial operations.
• High-Load Engineering: Optimize services for low latency, multi-threaded data processing, and real-time streaming protocols (WebSockets).
• Technical Communication: Collaborate with bank tech leads, architects, and CTO to align on architecture, APIs, and strict security protocols.
• Engineering Standards: Write clean, reliable, and testable code, conduct rigorous code reviews, and help define architectural best practices.

Skills

English

5+ years experience

Node.js/TypeScript

RESTful API design

WebSockets

Message queues

React.js/TypeScript

State management

Relational databases

SQL optimization

CI/CD pipelines

Containerization

Job description

DevBrother in Poland seeks a Senior Full-Stack Engineer (Web & Backend) to drive the integration of a high-load trading platform with a major bank. You will build and optimize secure, scalable components bridging the trading engine with the bank's architecture.

The role requires 5+ years of experience, strong Node.js/TypeScript backend and React frontend skills, plus database, CI/CD, and containerization expertise. English fluency and clear communication with executive teams are essential.