Sr Backend Engineer (Go) - remote in Poland

<h2><strong>Job Description</strong></h2> <p><strong>About the Role</strong></p> <p>We are looking for a Senior / Staff Backend Engineer in Poland to join Inflect as a contractor on our Engineering team and take strong technical ownership of key backend services. This is a hands-on, execution-focused role for an experienced engineer who enjoys building, scaling, and improving production systems that directly power the business.</p> <p>This role is suitable for a senior engineer operating at senior or early staff level, with strong technical ownership and autonomy.</p> <p>You will work in a small, senior engineering team, where each engineer has significant ownership, autonomy, and direct impact on the product. You will have a real influence on backend architecture, technical direction, and tooling choices, while staying closely aligned with product and business goals.</p> <p>This role does not involve people management or ownership of legacy systems - it is focused on building, scaling, and improving modern backend services.</p> <p><strong>About Inflect</strong></p> <p>Inflect builds and operates an IT infrastructure marketplace, connecting buyers and service providers through a single, product-driven platform - not a software house or agency.</p> <p>We manage complex marketplace workflows at the intersection of cloud infrastructure, network services, and large-scale compute (CPU/GPU). Our marketplace integrates directly with service providers and enables buyers to discover, compare, and transact infrastructure services in a frictionless way.</p> <p>Our engineering culture values pragmatism, ownership, and fast feedback. We focus on delivering real business value over rigid process frameworks or excessive ceremony.</p> <p><strong>How You’ll Work</strong></p> <ul> <li>Primary working hours are in the Polish (CET) time zone, with regular collaboration and overlap with engineers and stakeholders in the United States</li> <li>Hybrid work model: 1–2 days per week in our Warsaw office is preferred</li> <li>Daily communication in English with US-based engineers and partners</li> <li>Close collaboration with Product, Backend, and Infrastructure-focused teammates</li> </ul> <p><strong>Responsibilities</strong></p> <ul> <li>Take technical ownership of key backend services that power Inflect’s marketplace and service provider integrations</li> <li>Design, implement, and scale backend systems that support onboarding and integration of new groups of service providers</li> <li>Actively collaborate with Product and Engineering leadership to translate marketplace and integration requirements into pragmatic, production-ready technical solutions</li> <li>Design and implement distributed backend services with a strong focus on:</li> <ul> <li>reliability</li> <li>throughput and latency</li> <li>resiliency</li> <li>delivery speed</li> <li>and cost efficiency</li> </ul> <li>Rapidly validate ideas, build production-ready solutions, and iterate based on real usage and feedback</li> <li>Write robust, well-structured code with full test coverage to ensure reliability and long-term maintainability</li> <li>Proactively identify architectural, performance, and scalability risks and address them before they impact the business</li> <li>Mentor other engineers through code reviews, technical discussions, and knowledge sharing, helping raise overall engineering quality</li> <li>Maintain empathy for end users while staying focused on delivering measurable business value</li> </ul> <p><strong>Definition of Success (First 6 Months)</strong></p> <p>Success in this role after approximately 6 months means:</p> <ul> <li>Successfully delivering backend integrations with a new group of service providers, enabling them to operate within Inflect’s marketplace</li> <li>Ensuring that core marketplace flows (e.g. provider onboarding, offer availability, transactional or pre-transactional workflows) are reliable, scalable, and production-ready</li> <li>Taking ownership of the backend systems that support these flows and being accountable for their correctness, stability, and performance</li> <li>Becoming a trusted technical partner for product and engineering leadership in the evolution of the marketplace</li> <li>Improving delivery speed and technical confidence of the team through better tooling, CI/CD, and pragmatic engineering practices</li> </ul> <p><strong>Minimum Requirements</strong></p> <ul> <li>7+ years of professional backend development experience, including 5+ years of production experience in Go</li> <li>Strong experience designing, building, and operating backend systems at scale in cloud environments</li> <li>Hands-on experience with relational and in-memory data stores such as Postgres and Redis</li> <li>Experience deploying and operating services in AWS, GCP, or another major public cloud</li> <li>Ability to communicate technical concepts clearly and collaborate effectively across teams</li> <li>Native-level Polish (spoken and written) and strong professional English for daily collaboration with US-based engineers</li> <li>Familiarity with JIRA and Confluence for day-to-day workflow management</li> </ul> <p><strong>Highly Valued / Nice-to-Have Experience</strong></p> <p>These skills are highly valued, but not required. They will significantly accelerate your impact at Inflect:</p> <ul> <li>Marketplace or transaction-heavy systems</li> <li>Experience building platforms that connect multiple parties, handle pricing logic, or manage marketplace-style workflows.</li> <li>AI-enabled backend systems <ul> <li>Experience building and shipping LLM-powered features (chatbots, internal AI tools) and designing multi-agent workflows (planner/worker, master-agent orchestration, tool delegation, memory strategies)</li> <li>Practical prompt/context engineering (structured outputs, context limits, prompt versioning)</li> <li>Ability to debug and improve AI quality in production (hallucinations, retrieval relevance, logging, evals)</li> </ul> </li> </ul> <ul> <li>Infrastructure or networking domain exposure</li> <li>Familiarity with cloud infrastructure, network services, or large-scale compute systems (CPU/GPU), even at a conceptual or integration level</li> </ul> <p><strong>What You Won’t Be Doing</strong></p> <ul> <li>No people management</li> <li>No ownership of large, legacy monolithic systems</li> <li>No rigid, ceremony-heavy process frameworks</li> </ul> <p>&nbsp;</p>