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: 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

1. Intro call with recruiter;
2. Technical interview
3. 15-minute client call;
4. Final technical interview with the client.