Principal Go Engineer

Solid Company; Polska; Hybrid; PLN 527,000 - 791,000; Full time

Benefits offered by this job

100% remote in European hours

Hands-on leadership role

Challenging distributed systems scale

Job summary

Solid Company seeks a Principal Go Engineer to own architecture and performance for a distributed analytics platform. You will design scalable Go services, drive high-volume data pipelines on Kubernetes in cloud and on-prem environments.

You will lead architectural decisions, optimize CPU/memory usage, and mentor engineers across multiple teams while collaborating with DevOps and Product teams to ensure production reliability.

Qualifications

• 10+ years of software development experience
• 5+ years Go programming
• Hands-on leadership in tech leads or principal roles
• ownership of high-availability distributed systems
• Advanced Go: concurrency, memory, profiling, optimization

Responsibilities

• Design scalable Go backend services
• Build Kafka-based event-driven architecture and data flows
• Make architectural decisions on scalability, consistency, and disaster recovery
• Optimize Go performance at CPU, memory, and concurrency levels
• Raise coding standards, security, and observability
• Lead cross-team technical initiatives and mentor engineers
• Collaborate with DevOps and product teams; resolve production incidents

Skills

Observability

Troubleshooting

Architectural decisions

Leadership

Tools

Docker

Kubernetes

Kafka

Terraform

Helm

Ansible

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.