Senior Golang Developer

2 Months ago • 5 Years + • Programming

Job Summary

Job Description

GT is seeking a Senior Golang Developer for a defence-tech project, focusing on AI, ML, and aerospace. The role involves building secure, cloud-native backend infrastructure for mission-critical aerospace and defense systems. Responsibilities include architecting secure systems, designing scalable infrastructure, data modeling with Postgres, supporting ML integration, cloud deployment (AWS, Kubernetes, CI/CD), event-driven workflows, and adhering to security standards. The developer will collaborate with cross-functional teams and ensure high code quality. The client is an aerospace and defense company committed to delivering innovative and secure solutions.
Must have:
  • 5+ years backend engineering experience
  • Deep expertise in Go
  • Experience building and scaling microservices
  • Familiarity with ML processes
  • Proficiency in Kubernetes and Docker
  • Experience with cloud platforms (AWS preferred)
  • Knowledge of event-driven systems
  • Understanding of secure software development
  • Strong communication and collaboration skills
Good to have:
  • Experience in regulated/high-availability environments
  • Familiarity with Python for scripting
  • Hands-on experience with Postgres/MongoDB
  • Experience with CI/CD pipelines
  • Experience with GCP or Azure
Perks:
  • Health insurance
  • Psychotherapy coverage
  • Sport coverage
  • Learning budget
  • Paid vacations
  • Paid sick leaves
  • All public holidays are paid days off

Job Details

GT was founded in 2019 by a former Apple, Nest, and Google executive. GT’s mission is to connect the world’s best talent with product careers offered by high-growth companies in the UK, USA, Canada, Germany, and the Netherlands.

On behalf of our partner in the defence-tech domain, GT is looking for a Senior Golang Developer interested in AI, ML and aerospace.

About the Client:


Our client is a cutting-edge Aerospace and Defense company committed to delivering innovative, secure, and compliant solutions for our customers. They specialize in mission-critical technology services for government and private sector customers, ensuring excellence in aerospace systems design, performance, and compliance

About the Project & the Role:


This team is building secure, cloud-native infrastructure that powers mission-critical aerospace and defense systems for government and private sector clients. The backend systems they develop must meet the highest standards of reliability, performance, and compliance, supporting everything from real-time data processing to ML-integrated features used in the field.


They are now looking for a skilled and mission-driven Senior Golang Developer to join the product engineering team. In this role, you’ll take ownership of designing, building, and scaling backend services that are both secure and high-performance. You’ll work across cloud infrastructure, data systems, and ML integration to support modern defense and aerospace applications where resilience and precision are non-negotiable.

Responsibilities:

  • Architect Secure Systems: Design, build, and maintain secure backend services and APIs using Go as a primary language.

  • Design Scalable Infrastructure: Define system architecture with a focus on reliability, fault tolerance, and long-term scalability.

  • Data Modeling: Create and manage performant, auditable database schemas in Postgres.

  • Support ML Integration: Collaborate with the AI Architect to support data pipelines and deploy ML-powered features; understand model serving and inference integration.

  • Cloud & DevOps: Deploy cloud-native services using AWS, Kubernetes, and CI/CD pipelines.

  • Event-Driven Workflows: Build reactive systems using Kafka, Redis Pub/Sub, or similar tools.

  • Security-First Engineering: Adhere to security and compliance standards (DoD, FedRAMP, NIST); implement authentication, encryption, and audit controls.

  • Cross-Functional Work: Partner with product managers, QA, and front-end teams to deliver end-to-end features.

  • Code Quality: Lead and participate in peer reviews to uphold code reliability, clarity, and maintainability.

  • Documentation: Produce high-quality documentation for APIs, system architecture, and backend workflows.

Essential knowledge, skills & experience:

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, Mathematics, or a related technical discipline.

  • 5+ years of backend engineering experience, ideally in regulated or high-availability environments (e.g., defense, aerospace, finance, or healthcare).

  • Deep expertise in Go, including experience building and scaling microservices-based systems.

  • Familiarity with machine learning processes — understands common model types, inference workflows, and how to interface with ML systems.

  • Familiarity with Python for infrastructure scripting (CI/CD, DevOps tasks only).

  • Hands-on experience with Postgres/MongoDB and scalable data models.

  • Proficiency in Kubernetes, Docker, and CI/CD pipelines.

  • Experience with cloud platforms, ideally AWS (GCP or Azure also acceptable).

  • Working knowledge of event-driven systems (Kafka, Redis, or equivalents).

  • Solid understanding of secure software development, encryption, and authentication standards.

  • Strong communication and collaboration skills — comfortable working cross-functionally and mentoring junior engineers.

Interview Steps:

  1. GT interview with Recruiter

  2. Technical interview

  3. Final interview

  4. Security Check

We go beyond usual perks… By working with us, you will get:

  • Health insurance.

  • Psychotherapy coverage.

  • Sport coverage.

  • Learning budget.

  • Paid vacations

  • Paid sick leaves.

  • All public holidays are paid days off.

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Warsaw, Masovian Voivodeship, Poland (Remote)

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Kraków, Lesser Poland Voivodeship, Poland (Remote)

Kraków, Lesser Poland Voivodeship, Poland (Remote)

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