Senior Golang Developer

For our client, we are looking for a Senior Go Backend Engineer to join a long-term, full-time, remote collaboration. Our client is building a scalable, developer-friendly messaging platform covering email, SMS, and RCS . The product focuses on messaging infrastructure optimizing for deliverability, speed, and API quality .Youll be part of a lean, high-performing team working directly with the Product Manager, DevOps, and Customer Success teams. While you wont mentor initially, the company expects you to bring leadership energy and technical ownership . Work setup: Type: Full-time, remote Start: ASAP Collaboration: Long-term Overlap from time to time: 16:00 до 22:00 Kyiv time The ideal candidate Youre a seasoned Go backend engineer (5+ years) who thrives in building high-volume distributed systems . Youre comfortable with cloud-native development , proactive in communication, and naturally take technical ownership and leadership. What you will do Architect, design, and implement backend systems using Go . Build and maintain high-volume messaging systems for email, SMS, and RCS. Champion API design, distributed systems , and messaging reliability best practices. Take a technical leadership role : participate in code reviews, mentor peers, and define standards. Collaborate closely with Product, DevOps, and Frontend teams to deliver business-critical features. Communicate effectively and drive product and technical discussions forward. Requirements 5+ years of backend experience with Go (Golang) . Solid understanding of REST APIs, gRPC, microservices , and scalable architectures . Hands-on experience with GCP (preferred) , Docker , and Kubernetes . Strong communication and collaboration skills. Nice-to-have Experience with messaging deliverability, carrier compliance, A2P workflows . Knowledge of Kafka, Airflow, Apache Beam, BigQuery , or other data streaming tools. Familiarity with real-time systems , WebSockets , or push notifications . Background as a startup engineer or technical founder . Open-source contributions or tech community involvement. Experience with SMTP, SMPP, Twilio, Mailgun, or RCS APIs . What the company offers Competitive salary and equity ; Fully remote work with flexible hours; High level of autonomy and ownership ; Fast-moving, transparent team culture ; Learning and development budget . Interview process Intro call with recruiter; Technical interview 15-minute client call; Final technical interview with the client. Information about the processing of your personal data is provided in our Privacy Policy, which is available online at Privacy Policy.