Senior Fullstack Node.js+React Engineer (iGaming)

SweepTech iGaming Solutions; Köln; Vor Ort; EUR 70.000 - 100.000; Vollzeit

Zusammenfassung

A leading company in the iGaming sector is seeking a Senior Full-stack Engineer to architect robust solutions for their innovative Skin Gambling and Casino Platform. The role requires extensive experience in Node.js, React, and integrating powerful back-end services with responsive front-end development. Work within a dynamic team environment to deliver high-performing applications that elevate user experience globally.

Qualifikationen

• 6+ years of software development experience with a portfolio of complex web applications.
• 3+ years as a Fullstack Developer, proficient in JavaScript/TypeScript.

Aufgaben

• Design and implement full-stack solutions using Node.js and React.js.
• Collaborate with cross-functional teams to meet technology requirements.

Kenntnisse

Node.js

React.js

JavaScript

TypeScript

PostgreSQL

Redis

CSS (SCSS/Tailwind)

WebSockets

APIs

Docker

Jobbeschreibung

1 week ago Be among the first 25 applicants

Job Summary

As a

Job Summary

As a Senior Full-stack Engineer, you will architect and deliver end-to-end solutions for our cutting-edge Skin Gambling and Casino Platform, seamlessly integrating robust back-end services with responsive front-end experiences. Using Node.js and React, you’ll transform design visions into a high-performance, secure platform that operates flawlessly across web and mobile devices, serving players globally.

Required Qualifications (Must-Have)

• 6+ years of commercial software development experience, with a portfolio demonstrating complex web applications.
• 3+ years of experience as a Fullstack JavaScript/TypeScript Developer
• Solid expertise in Node.js, Nest.js, TypeORM, WebSockets, PostgreSQL, and Redis.
• Deep knowledge of SQL and NoSQL database architecture, optimization, and management.
• Proven hands-on experience with React.js and Next.js for building complex interactive web interfaces for desktop and mobile devices.
• Proficiency in TypeScript, MobX/Redux for state management, and modern CSS frameworks (SCSS or Tailwind CSS).
• Hands-on experience with Vite, monorepo tooling (e.g., Turborepo), and WebSocket integration.
• Experience with SSR and SPA architectures, understanding of reactive programming, and state management.
• Experience writing and executing tests, including unit, integration, and failure tests.
• Knowledge of Docker, Kubernetes, and the concepts and benefits of CI/CD processes.
• Knowledge of SOLID, GRASP, CQRS principles, GoF design patterns, and DDD concepts.
• Knowledge of Event Sourcing, including events, aggregates, projections, and event streams.
• Good knowledge of traditional monolithic architectures, microservices architecture, and hexagonal architecture's emphasis on separation of concerns.
• Fluency in Ukrainian or Russian and proficiency in English for technical collaboration in a remote/global team setting.
• Ability to work within the CET/EET time zone.
  
  

Your Advantage (Nice-to-Have)

• Experience with Skin/NFT Gambling or Online Casinos.
• Experience with high-load systems and payment service providers integration.
• Experience with blockchain technology in iGaming or Fintech.
• Previous experience working in a start-up environment with rapid iteration cycles.
  
  

Key Responsibilities

• Architect & Develop Full-Stack Solutions: Design, build, test, deploy, and maintain secure, scalable features for our Skin Gambling/Casino Platform using Node.js (Nest.js) and React.js (Next.js) across web and mobile.
• Build & Optimize Backend Services: Develop high-performance backend logic, APIs (including WebSockets), data access layers, and integrations using Node.js, PostgreSQL, Redis, and TypeORM.
• Engineer Frontend Experiences: Create responsive, complex UIs with React.js, Next.js, TypeScript, MobX/Redux, and modern CSS (SCSS/Tailwind), ensuring optimal user experience.
• Apply Architectural Principles: Implement SOLID, GRASP, DDD, CQRS, Event Sourcing, and design patterns (GoF), choosing appropriate architectures (mono/microservices, hexagonal).
• Ensure Performance & Scalability: Identify and resolve bottlenecks, optimize databases (PostgreSQL), implement caching (Redis), and design for global traffic demands.
• Uphold Quality: Write and execute comprehensive tests (unit, integration, E2E); conduct code reviews to ensure stability and prevent regressions.
• Partner Cross-Functionally: Collaborate with Product, Design, QA, and stakeholders to translate requirements into technical solutions on time.
• Solve Problems & Innovate: Troubleshoot complex issues; research and propose new technologies to enhance platform capabilities and efficiency.
• Document Systems: Create and maintain clear technical documentation for architectures, APIs, and processes.

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Full-time

Job function

• Industries

  Food and Beverage Services, Manufacturing, and Food and Beverage Manufacturing

Referrals increase your chances of interviewing at SweepTech iGaming Solutions by 2x

Get notified about new Senior jobs in Cologne, North Rhine-Westphalia, Germany.

Senior Teamlead HR Operations, 40h (m/w/d)

Cologne, North Rhine-Westphalia, Germany 1 week ago

Senior Data Analyst - Retail & Marketing Controlling (m/w/d)

Cologne, North Rhine-Westphalia, Germany 2 weeks ago

Bonn, North Rhine-Westphalia, Germany 1 month ago

Wuppertal, North Rhine-Westphalia, Germany 1 month ago

Neuss, North Rhine-Westphalia, Germany 4 months ago

Cologne, North Rhine-Westphalia, Germany 2 days ago

Cologne, North Rhine-Westphalia, Germany 1 month ago

Cologne, North Rhine-Westphalia, Germany 1 week ago

Cologne, North Rhine-Westphalia, Germany 3 weeks ago

ASD - (Senior) Consultant – Security Testing (m/w/d)

Cologne, North Rhine-Westphalia, Germany 21 hours ago

Cologne, North Rhine-Westphalia, Germany 2 weeks ago

(Senior) Sales Manager Digitale Transformation / Banking (all genders)

Cologne, North Rhine-Westphalia, Germany 3 months ago

ASD - (Junior/Senior) Consultant – Hardware Security Testing (m/w/d)

Cologne, North Rhine-Westphalia, Germany 4 months ago

Cologne, North Rhine-Westphalia, Germany 5 days ago

ASD - (Junior/Senior) Consultant – Cyber Security Engineering (m/w/d)

Technical Author (multiple roles and seniority levels)

(Senior) Product Designer - Business Travel Club (all genders)

Cologne, North Rhine-Westphalia, Germany 2 weeks ago

Cologne, North Rhine-Westphalia, Germany 1 month ago

Manager Professional Relations and Medical Education (f/m/d) Central Europe

Cologne, North Rhine-Westphalia, Germany 1 week ago

(Senior) Media Analysis Consultant (m/w/d)

Cologne, North Rhine-Westphalia, Germany 2 weeks ago

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.