Senior Golang Developer

This is a fully remote position, open to applicants in Czechia.

📋 Description

• Oversee the design and development of high-performance backend services utilizing Go, ensuring they are scalable, reliable, and built on a clean architecture.

• Influence critical architectural choices within a microservices environment, assess technology options, and establish integration patterns and best practices.

• Analyze applications, enhance CPU and memory usage, optimize Go's garbage collection, and utilize concurrency primitives to attain peak performance.

• Create efficient data models, refine complex queries and indexing strategies in PostgreSQL/MySQL, ensuring optimal performance under heavy read/write loads (thousands of QPS).

• Integrate observability into services by establishing metrics, logging, and distributed tracing. Engage in production incident investigations and conduct root cause analysis across application code, networking, and operating system layers.

• Perform comprehensive code reviews, impart technical knowledge, mentor engineers, and advocate for engineering best practices throughout the team.

• Work closely with DevOps, QA, Product, and other engineering teams to deliver production-ready features promptly, securely, and reliably.

⛳️ Requirements

• 4–5+ years of professional experience using Go as the main programming language, with an in-depth understanding of its internals, including memory management, scheduler, maps, channels, garbage collection, sync.Pool, and atomic operations.

• Demonstrated experience in designing, constructing, and managing large-scale distributed systems and microservices in high-load production settings.

• Strong proficiency in PostgreSQL or MySQL, covering query optimization, indexing strategies, replication, clustering, and resolving lock contention in multi-terabyte databases.

• Practical experience with messaging platforms like NATS and Apache Kafka, along with a robust understanding of their architectural trade-offs, such as latency and persistence.

• Thorough knowledge of Linux internals, networking principles, virtualization, and containerization technologies (Docker/Kubernetes), with the capability to effectively troubleshoot production issues.

🏝️ Benefits

• 20 vacation days and 5 family days each year

• Flexible start times for the workday

• Access to support from a professional corporate coach and psychologist

• Regular internal and external activities, workshops, trips, and corporate events

• Access to our internal knowledge base, meetups, and team-building activities

• Continuous training in new technologies and ongoing professional development support