Madfish
Location:
On-site (Warsaw) Company:
GB2B Industry:
iGaming / Platform Development
GB2B is a leading technology provider in the iGaming industry, building robust admin panels and management systems that power high-traffic platforms. We are looking for an experienced Senior Node.js Developer to join our growing backend team.
Responsibilities
Develop, maintain, and optimize backend systems using Node.js (Nest.js / Express.js)
Analyze and improve existing systems, fix bugs, and contribute to new high-performance platform developments
Design and implement scalable solutions for high-traffic and complex distributed systems
Work with PostgreSQL and MongoDB databases, ensuring performance, optimization, and data consistency
Manage and deploy cloud-based architectures (AWS / GCP / Azure)
Contribute to performance tuning, load balancing, and Kubernetes-based deployments
Collaborate with cross-functional teams to deliver reliable and secure solutions
Apply best practices for data privacy and application security
Requirements
5+ years of professional experience with Node.js, including Nest.js or Express.js frameworks
Strong proficiency in PostgreSQL, MongoDB, and cloud database management
Proven experience with high-traffic, large-scale, and complex system architectures
Hands‑on experience with Kubernetes, load balancing, and performance scaling strategies
Solid understanding of system design, data optimization, and cloud infrastructure
Familiarity with security standards and data protection principles
Excellent problem‑solving skills and ability to propose effective, scalable solutions
Good communication skills and a proactive, solution‑oriented mindset
Why Join GB2B
Be part of an innovative team shaping the future of the iGaming industry
Work on challenging, large-scale projects with cutting‑edge technologies
Competitive compensation package
If you are passionate about building scalable, high-performance, and secure backend systems — we’d love to meet you.
#J-18808-Ljbffr
On-site (Warsaw) Company:
GB2B Industry:
iGaming / Platform Development
GB2B is a leading technology provider in the iGaming industry, building robust admin panels and management systems that power high-traffic platforms. We are looking for an experienced Senior Node.js Developer to join our growing backend team.
Responsibilities
Develop, maintain, and optimize backend systems using Node.js (Nest.js / Express.js)
Analyze and improve existing systems, fix bugs, and contribute to new high-performance platform developments
Design and implement scalable solutions for high-traffic and complex distributed systems
Work with PostgreSQL and MongoDB databases, ensuring performance, optimization, and data consistency
Manage and deploy cloud-based architectures (AWS / GCP / Azure)
Contribute to performance tuning, load balancing, and Kubernetes-based deployments
Collaborate with cross-functional teams to deliver reliable and secure solutions
Apply best practices for data privacy and application security
Requirements
5+ years of professional experience with Node.js, including Nest.js or Express.js frameworks
Strong proficiency in PostgreSQL, MongoDB, and cloud database management
Proven experience with high-traffic, large-scale, and complex system architectures
Hands‑on experience with Kubernetes, load balancing, and performance scaling strategies
Solid understanding of system design, data optimization, and cloud infrastructure
Familiarity with security standards and data protection principles
Excellent problem‑solving skills and ability to propose effective, scalable solutions
Good communication skills and a proactive, solution‑oriented mindset
Why Join GB2B
Be part of an innovative team shaping the future of the iGaming industry
Work on challenging, large-scale projects with cutting‑edge technologies
Competitive compensation package
If you are passionate about building scalable, high-performance, and secure backend systems — we’d love to meet you.
#J-18808-Ljbffr