Senior Software Engineer (Packet Gateway/Go)

Location: Poland, Czech Republic, Ukraine, Slovakia, Romania, Bulgaria, Spain (Remote or Hybrid)Employment Type: Full-time (Remote/Hybrid)

Company:  An international digital solutions company (outsource).

Client: A global cloud provider enabling secure, scalable mobile connectivity for millions of IoT devices across 180+ countries.

Product: platform integrates cellular networking with cloud-native tools to simplify deployment, monitoring, and automation.

About the role:The company is looking for a Senior Software Engineer to join our Packet Gateway team.

You’ll play a key role in developing one of our core systems—a router that seamlessly translates telecom protocols into internet communication.

As part of a 10-person cross-functional team in Engineering, you’ll help evolve the foundation of our packet processing architecture and contribute to building reliable, cloud-native telco services.

Tech Stack Overview:

• Programming: Go (main focus), C (supporting Data Plane)
• Networking frameworks: eBPF, XDP, TC
• Cloud & Infrastructure: AWS (especially EKS), Direct Connect
• Databases: Redis (ElastiCache), DynamoDB, Aurora MySQL
• Communication: Kafka, gRPC

Your Responsibilities:

• Collaborate within a cross-functional team to design and develop Kubernetes-based telco applications for global IoT connectivity.
• Use your expertise in Go to build and maintain Control Plane services on AWS.
• Contribute to network service development with a focus on performance, scalability, and reliability.
• Leverage system metrics and monitoring data to identify impactful improvements.
• Troubleshoot and resolve connectivity issues affecting IoT devices.

What We’re Looking For:

• Strong proficiency in Go and experience building high-performance applications on Linux.
• Background in designing scalable, distributed systems with clean API and database integration.
• Solid understanding of IP networking (Layer 3 and Layer 4).
• Familiarity with CI/CD pipelines, unit testing, and engineering best practices.
• A team-oriented mindset with the ability to clearly communicate across engineering teams.
• Problem-solving attitude with adaptability in a fast-paced environment.