Sr Backend Engineer (Go)

TL;DR

Sr Backend Engineer (Go): Building and scaling an IT infrastructure marketplace connecting buyers and service providers with an accent on distributed backend services and provider integrations. Focus on designing reliable marketplace workflows, optimizing latency, and ensuring system resiliency under high throughput.

Location: Hybrid (Warsaw, Poland). Must be based in Poland; 1–2 days per week in the Warsaw office is preferred.

Company

hirify.global operates a product-driven IT infrastructure marketplace that connects buyers and service providers for cloud, network, and large-scale compute services.

What you will do

• Take technical ownership of backend services powering the marketplace and service provider integrations.
• Design and scale distributed backend systems focusing on reliability, throughput, latency, and cost efficiency.
• Collaborate with Product and Engineering leadership to translate business requirements into production-ready technical solutions.
• Write robust, well-structured code with full test coverage to ensure long-term maintainability.
• Identify and address architectural, performance, and scalability risks before they impact the business.
• Mentor other engineers through code reviews and technical knowledge sharing.

Requirements

• 7+ years of professional backend development experience, including 5+ years in Go.
• Strong experience designing and operating scalable backend systems in cloud environments (AWS, GCP).
• Hands-on proficiency with relational and in-memory data stores such as Postgres and Redis.
• Native-level Polish (C2) and strong professional English for daily collaboration with US teams.
• Must be based in Poland for a hybrid work arrangement in Warsaw.
• Ability to communicate technical concepts clearly across different teams.

Nice to have

• Experience with marketplace or transaction-heavy systems and pricing logic.
• Knowledge of AI-enabled backend systems, LLM-powered features, and multi-agent workflows.
• Exposure to infrastructure or networking domains, including CPU/GPU compute systems.

Culture & Benefits

• Pragmatic engineering culture that values ownership, fast feedback, and real business value over rigid processes.
• High degree of autonomy and direct impact on backend architecture and technical direction.
• Small, senior engineering team with a focus on modern services rather than legacy systems.
• Collaborative environment with regular overlap between Poland (CET) and US-based stakeholders.