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Expert Go Engineer

Ciklum

Polska

Hybrid

PLN 120,000 - 180,000

Full time

2 days ago
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Job summary

A custom product engineering company in Poland is looking for an Expert Go Engineer to join their team. You will work on complex backend systems as part of a leading cybersecurity initiative, driving architecture for scalable and reliable services. The ideal candidate has over 4 years of experience in backend development and strong knowledge of Go. This role offers a hybrid model with comprehensive support and professional growth opportunities in a collaborative environment.

Benefits

Company-paid medical insurance
Mental health support
Financial & legal consultations
Tailored learning opportunities
Flexible work arrangements

Qualifications

  • 4+ years of experience developing backend systems.
  • Strong knowledge and proficiency with Go programming language.
  • Extensive experience with large-scale databases like PostgreSQL and Neo4j.
  • Familiarity with microservices architecture and cloud design patterns.
  • Broad knowledge of container ecosystem and orchestration tools.

Responsibilities

  • Design and lead complex backend systems in Go.
  • Drive architecture for scalable, concurrent, distributed services.
  • Build reliable services running on Kubernetes-based infrastructure.
  • Mentor engineers and influence long-term technical direction.

Skills

Go programming language
Backend system development
Large-scale databases (PostgreSQL, Neo4j)
Microservices architecture
Cloud design patterns
Container ecosystem (Docker, Kubernetes)
AWS cloud services
REST API
gRPC
Message brokers (Kafka/NATS)
Cybersecurity
Linux
Networking
Job description

Ciklum is looking for a Expert Go Engineer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Expert Go Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.

Our Client is a cybersecurity company that secures private cellular (solo) networks used by large enterprises, including Fortune 100 companies. Its platform provides purpose-built security and operational visibility for isolated cellular networks that traditional security solutions cannot protect.

Join our talented R&D team to create groundbreaking products in a rapidly growing market. You'll collaborate closely with the Client’s product team to develop and implement innovative features from conception to deployment. As a key contributor, you'll build and maintain our core product offering, ensuring scalability, performance, and stability.

Responsibilities:
  • Design and lead complex backend systems in Go as part of a large-scale cybersecurity product
  • Drive architecture for scalable, concurrent, distributed services
  • Work on an event-driven backend architecture, leveraging message brokers (e.g. Kafka / NATS)
  • Implement and optimise Go concurrency mechanisms (goroutines, channels, synchronisation primitives)
  • Build scalable, reliable services running on Kubernetes-based infrastructure
  • Own code quality end-to-end: design, implementation, testing, and production readiness
  • Collaborate within a cross-functional squad (backend, frontend, QA, DevOps as enablers)
  • Mentor engineers and influence long-term technical direction
  • Follow and help shape engineering standards and best practices
  • Participate in technical discussions, reviews, and architectural decisions within the team
Requirements:
  • 4+ years of experience developing backend systems
  • Strong knowledge, experience, and proficiency with Go programming language
  • Extensive experience with large-scale databases (PostgreSQL, Neo4j)
  • Familiarity with microservices architecture and cloud design patterns
  • Broad knowledge of container ecosystem and orchestration tools (Docker, Kubernetes)
  • Experience with AWS cloud services
  • Proficiency in REST API, gRPC, message brokers (Kafka/NATS), and server-side API integration
  • Background in cybersecurity, Linux, and networking
What`s in it for you?
  • Strong community: Work alongside top professionals in a friendly, open-door environment
  • Growth focus: Take on large-scale projects with a global impact and expand your expertise
  • Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
  • Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands‑on experience with cutting‑edge technologies
  • Flexibility: Enjoy flexibility – full remote working possibilities
  • Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations
About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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