Senior Go Backend Engineer

Develop and maintain production Go microservices for delivery-platform business logic, including subsidies, transaction-based tariffs, pay-per-view billing models, internal APIs, and service integrations.

Work with PostgreSQL, Redis, gRPC, REST APIs, CI/CD pipelines, automated tests, operational data flows, and service contracts. Improve reliability, correctness, maintainability, performance, and integration boundaries across business-critical delivery flows.

Contribute React, TypeScript, and Jest changes where backend and frontend delivery UI work intersects. Act as a Security Champion through threat modeling, risk analysis, and secure-by-design practices.

Worked in a regulated fintech and payment-service-provider environment with high requirements for correctness, reliability, security, and payment-related business logic.

Designed and implemented B2B payment scenarios and payment-method integrations. Developed NestJS BFF and backend-facing layers for API integration and frontend-facing services.

Built complex product flows with React, TypeScript, Jest, and frontend architecture patterns. Refactored legacy code, reduced technical debt, and participated in architecture discussions and technical decisions.

Worked in a distributed SRE and infrastructure team supporting internal systems, CI/CD-adjacent tooling, automation, monitoring, and developer workflows for a large search and information-retrieval platform.

Built internal backend services, developer tools, CLI utilities, npm packages, and automation using Node.js, Go, Python, JavaScript, and TypeScript.

Worked with ClickHouse, monitoring systems, metrics, dashboards, cloud storage, CI/CD workflows, and operational automation. Migrated internal packages from JavaScript to TypeScript and collaborated closely with SRE engineers.

Held a long-term engineering and technical leadership role covering desktop applications, backend services, internal web tools, infrastructure automation, and technical coordination.

Developed C++ and Qt desktop and network applications involving GUI development, multithreading, networking, byte-stream processing, and binary protocols. Worked with SQL databases and Elasticsearch and built traffic and protocol analysis tools.

Designed RESTful APIs, implemented Node.js and Express backend services, and created an internal Vue/Vuetify SLA and administration dashboard with maps and graph analytics. Automated operational tasks through Linux administration and Bash, Python, and PowerShell scripts.

Developed industrial automation and refrigeration-control software involving SCADA, PLC-based solutions, and operator-facing applications.

Built control and visualization software using C++ and C#. Worked with Siemens Simatic S7-300, TIA Portal, Step 7, SCL, FBD, WinCC, and WinCC Flexible.

Built a foundation in low-level programming, reliability, safety-critical thinking, real-world constraints, and industrial software integration.