Senior Go Engineer — Cloud-Native, Scalable Systems Lead

Vonage; Wrocław; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Medical Insurance (Allianz)

Life Insurance (Uniqa)

Glasses Reimbursement

Cafeteria (My Benefit)

Discretionary Time Off (DTO)

Volunteer Time (VTO)

Ericsson Care Line

Job summary

Vonage is seeking a senior backend engineer to design and build highly concurrent, cloud‑native services. You will own architectural decisions and drive performance improvements at scale across teams.

You will work with Go, containerized applications, and modern databases, ensuring high reliability and robust testing. Collaboration and mentorship are key to success within the team and on-call support is required.

Qualifications

• Strong programming skills in Go (Golang) for enterprise-grade, highly concurrent systems.
• Experience developing and maintaining scalable, distributed architectures.
• Hands-on with containerised apps and cloud-native environments.
• Experience with REST/HTTP services and database ecosystems (PostgreSQL, Redis).
• Experience with performance profiling and optimisation at scale.
• Proficiency in unit/integration/smoke testing to enable safe production releases.
• Excellent communication skills to articulate complex technical problems.

Responsibilities

• Design and develop highly concurrent, distributed backend services with a focus on high availability.
• Take ownership of architectural contributions and drive decisions across teams.
• Lead performance optimisation and diagnose complex system issues.
• Design, develop, test new features with high quality and reliability.
• Support release and documentation of features and code promotion to production.
• Define and champion coding standards and development processes.
• Mentor junior engineers and provide on-call support as needed.

Skills

Go (Golang)

Distributed systems

High concurrency

REST/HTTP

PostgreSQL/Redis

Testing: unit/integration/smoke

Architectural decisions

Excellent communication

Tools

Docker

Cloud-native environments

Terraform/Kubernetes

AWS (SQS/SNS/DynamoDB)

Kafka

Job description

Vonage is seeking a senior backend engineer to design and build highly concurrent, cloud‑native services. You will own architectural decisions and drive performance improvements at scale across teams.

You will work with Go, containerized applications, and modern databases, ensuring high reliability and robust testing. Collaboration and mentorship are key to success within the team and on-call support is required.