Principal Go Engineer

Solid Company; Województwo wielkopolskie; Hybrid; PLN 420,000 - 660,000; Full time

Benefits offered by this job

100% remote (EU hours)

Job summary

Solid Company in a remote European role seeks a Principal Go Engineer to own architecture for a distributed data platform. You will design scalable Go services, build high-throughput data pipelines, and drive architectural decisions across teams.

Expect hands-on leadership, mentoring, and collaboration with DevOps and product teams to resolve production incidents and improve observability while optimizing performance on Kubernetes in production environments.

Qualifications

• 10+ years of development experience with 5+ years on Go.
• Ownership of high-availability, high-volume distributed systems.
• Advanced Go including concurrency, memory management, profiling, optimization.
• Experience with microservices, REST, and distributed patterns.
• Fluency in English.

Responsibilities

• Design scalable Go backend services and high-performance data pipelines.
• Build Kafka-based event-driven architecture and define data flows.
• Make architectural decisions regarding scalability, consistency, and disaster recovery.
• Optimize Go at the CPU, memory, and concurrency levels.
• Raise standards in code quality, security, and observability.
• Lead cross-team technical initiatives and mentor engineers.
• Collaborate with DevOps/Product teams and resolve production incidents.

Skills

Go

Observability

Troubleshooting

Architectural decision-making

Fluent English

Tools

Docker

Kubernetes

Kafka

PostgreSQL

gRPC

Protobuf

Terraform

Helm

Ansible

Prometheus

OpenTelemetry

Job description

Requirements:

• 10+ yrs dev, 5+ yrs Go.
• Role: Tech Lead, Staff, or Principal Engineer.
• Core: Ownership of high-availability, high-volume distributed systems.
• Go: Advanced (concurrency, memory, profiling, optimization).
• Architecture: Microservices, REST, distributed patterns (partitioning, idempotency).
• Data/Messaging: Kafka (or similar), Advanced PostgreSQL.
• Infra: Docker & Kubernetes (production).
• Skills: Observability, troubleshooting, architectural decision-making.
• Language: Fluent English.

Additional Advantages:

• Scale: Millions of events/sec, TB-scale, real-time data.
• Advanced Go: Deep CPU/memory optimization.
• Tech Stack: Druid, gRPC, Protobuf, Terraform, Helm, Ansible.
• Cloud & Monitoring: AWS/GCP/Azure, Prometheus, OpenTelemetry.
• Security & Testing: OAuth 2.0, TLS, Load/Stress testing.
• Domain: Telecom, network analytics, open-source contributions.
• Leadership: Strong hands-on skills mixed with mature architectural trade-off experience.

Kogo poszukujemy?

About the role

Principal Go Engineer for a distributed data and analytics platform. You will code and take ownership of the architecture, performance, and key components. Requires hands-on experience with large production systems processing network data on Kubernetes, public cloud, and on-premises.

• Designing scalable Go backend services and high-performance data pipelines.
• Building Kafka-based event-driven architecture and defining data flows.
• Making architectural decisions regarding scalability, consistency, and disaster recovery.
• Optimizing Go at the CPU, memory, and concurrency levels.
• Raising standards in code quality, security, and observability.
• Leading cross-team technical initiatives and mentoring engineers.
• Collaborating with DevOps/Product teams and resolving production incidents.

We offer:

• A distributed system you designed or significantly redesigned.
• A scalability or performance problem you solved independently.
• Systems handling massive volumes of events or data.
• A complex technical initiative you led.
• Two stages: tech interview with the client, followed by an end-client interview.
• End-client meetings occur within ~72h, usually after 4:00 PM.
• Employment requires a successful HireRight background and address check.
• 100% remote working in European hours, available ASAP.