Principal Go Engineer

Czym będziesz się zajmować?

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.

Czego wymagamy?

10 lat doświadczenia na podobnym stanowisku
Znajomości:

• Grafana
• Prometheus
• Kubernetes
• PostgreSQL
• REST
• Kafka
• Concurrency
• Distributed systems
• Golang
• Microservices
• Performance optimization
• System Architecture

Mile widziane:

• gRPC
• OAuth

Języki:

• Polski
• Angielski

Jakie warunki i benefity otrzymasz?

• 28k–33.6k PLN netto/m (B2B)
• B2B - Elastyczne godziny pracy (100%)
• Praca zdalna: Możliwa w całości

Kim jesteśmy?
Our client is an international technology company driving digital transformation for industry and business. As an IT integrator, the company delivers end-to-end services — from PLM implementations and data migrations to cloud platforms, IIoT, digital product engineering, advanced Data & AI analytics, and supply chain optimization. Working with global technology partners, it executes projects across sectors such as automotive, manufacturing and agricultural machinery, providing both off-the-shelf and bespoke systems plus organizational change support. Teams build Digital Thread, Digital Twin and sustainability-focused solutions, blending engineering practices with cloud and AI technologies. The company seeks candidates eager to grow in PLM, cloud, IIoT, Data & AI, systems implementation and automation — from junior to senior levels — in a fast‑paced, project-driven international environment.