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Senior / Lead Backend Developer (Node.js)

1 week ago
Serbia, Georgia, Latvia, Moldova, Portugal
Full-time
Lead
Backend Engineer
Software Development
Kafka Load Balancing Microservices Node.js PostgreSQL RabbitMQ System Design TypeScript
Apply Now
Gomining

Gomining

Gomining operates the largest global network of mining hotels, providing specialized accommodations for cryptocurrency miners, with its headquarters situated in Hungary.

Construction & Engineering
11-50
Founded 2017
View All Jobs 14

Description

  • Lead development of a cryptocurrency payment gateway and related financial services.
  • Design and implement high-load, scalable backend architectures.
  • Own integration and orchestration of multiple third-party payment providers.
  • Drive technical decisions and architecture design across services.
  • Build and maintain microservices infrastructure with clear separation of concerns.
  • Optimize system performance for latency, throughput, and fault tolerance under heavy load.
  • Participate in system design, data modeling, and load calculations.
  • Collaborate with product, DevOps, and other teams to deliver reliable solutions.
  • Mentor engineers and help define engineering standards and best practices.

Requirements

  • Strong experience building high-load systems.
  • Proven experience handling large-scale data under heavy load.
  • Solid production experience with Node.js and TypeScript.
  • Deep understanding of TypeScript, including the ability to design abstractions and libraries.
  • Strong system design skills, including architecture, scaling, and trade-off analysis.
  • Advanced knowledge of PostgreSQL, including transactions, indexing, query optimization, replication, concurrency, and data modeling.
  • Hands-on experience with message brokers such as Kafka or RabbitMQ.
  • Experience designing microservice architectures, including service communication, authentication/authorization, and fault tolerance.
  • Understanding of distributed systems limitations and trade-offs.
  • Experience in fintech, crypto, or payment systems is a plus.
  • Experience building payment gateways or billing systems is a plus.
  • Leadership or mentoring experience is a plus.

Benefits

  • Full support during onboarding plus a learning budget for courses, English, and conferences up to 100%.
  • 28 calendar days of vacation plus company holidays and personal days.
  • Remote-first environment with a flexible schedule.
  • International team and product.
  • Corporate apartments, such as in Cyprus, and team retreats.
  • Clear growth path from senior engineer to architecture role.

Interested in this position?

Apply directly on the company website

Apply Now

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