[Remote] Senior Golang Software Engineer

Note: The job is a remote job and is open to candidates in USA. EPAM Systems is seeking a Senior Software Engineer to join a team focused on building a platform for evaluating Large Language Model performance and providing inference endpoints for Generative AI applications. In this role, you will design and implement scalable backend systems using Go, ensuring reliability and performance while collaborating with cross-functional teams.ResponsibilitiesDesign and implement production-grade backend features using Go in a microservices-style architectureBuild and maintain provider integration frameworks for external LLM vendors (OpenAI, Anthropic, cloud AI services)Own backend service quality through robust unit and integration testing; continuously improve CI/CD quality gatesImprove data access reliability and performance across PostgreSQL and RedisCollaborate cross-functionally on architecture, scalability, security, and operational excellenceLead technical design discussions and deliver solutions independently end-to-endWork with product teams on API requirements, troubleshoot issues, and identify new requirementsContribute to platform roadmap through technical input on feasibility, trade-offs, and system designSkills7+ years of professional software engineering experience with strong backend ownershipDeep expertise in Go, including idiomatic design, interfaces, concurrency, context management, and error handlingHands-on experience building HTTP APIs, middleware, and service-oriented architecturesStrong experience with PostgreSQL — schema design, query optimization, and database migration workflowsPractical experience with Redis — caching strategies, counters, and distributed rate-limiting patternsExperience designing or working with authorization and policy systems (RBAC/ABAC concepts)Strong testing discipline in Go (table-driven tests, mocks, integration tests, and test containers)Experience operating production systems with observability tooling (OpenTelemetry metrics and tracing, dashboards, and alerting)Solid experience with Kubernetes and Helm deploymentsStrong CI/CD experience (GitHub Actions or equivalent)Demonstrated ability to lead technical design and execute independentlyFamiliarity with GenAI concepts and OpenAI APIs, with a drive for self-learningFamiliarity with AI-assisted development while maintaining strong quality and architectural standardsGood communication and collaboration skillsB2+ English level (written and verbal)Experience building LLM gateways, API gateways, or multi-provider AI/ML integration platformsExperience with gRPC, cloud SDKs, or service integrations on AWS, Azure, or GCPFamiliarity with API platform security controls — API keys, OIDC, secrets management, and abuse preventionExposure to cost and performance optimization for high-volume inference or request-processing workloadsExperience contributing to platform roadmap planning (epics, user stories, backlog prioritization)Background working with UX/product teams during early-stage platform definitionBenefitsDelivering innovative solutions to industry leaders, making a global impactEnjoyable working environment, whether it is the vibrant office or the comfort of your own homeOpportunity to work abroad for up to two months per yearRelocation opportunities within our offices in 55+ countriesCorporate and social eventsLeadership development, career advising, soft skills and well-being programsCertifications, including GCP, Azure and AWSUnlimited access to LinkedIn Learning and UdemyFree English classes with certified teachersParticipation in the Employee Stock Purchase PlanMonetary bonuses for engaging in the referral programComprehensive medical & family care packageFive trust days per year (sick leave without a medical certificate)Benefits package (sports activities, a variety of stores and services)Four trust days per year for personal needsDiscounts for fitness clubsBenefits package (hotels, restaurants, stores and services)Company OverviewEPAM leverages its core engineering expertise as a leading global product development and digital platform engineering services company. It was founded in 1993, and is headquartered in Newtown, Pennsylvania, USA, with a workforce of 10001+ employees. Its website is https://www.epam.com.Company H1B SponsorshipEPAM Systems has a track record of offering H1B sponsorships, with 11 in 2026, 120 in 2025, 172 in 2024, 232 in 2023, 373 in 2022, 359 in 2021, 502 in 2020. Please note that this does not guarantee sponsorship for this specific role.