Gizli
Back End Developer
GizliTurkey10 hours ago
Full-timeRemote FriendlyEngineering, Information Technology +1

INTRODUCTION

We are seeking a Mid-Senior Backend Developer to join our Istanbul Maltepe Office and contribute to mission-critical backend systems in the defense industry. You will collaborate with frontend teams to build secure, scalable, and high-performance solutions using technologies like FastAPI, Docker, and MongoDB. In a dynamic, agile software development environment, you’ll work on projects that demand precision, innovation, and adherence to strict security standards. If you thrive in a fast-paced setting and enjoy solving complex technical challenges in defense-grade systems, we want to hear from you.


RESPONSIBILITIES

  • Design, develop, and maintain secure backend services using FastAPI (Python) and/or Go (Golang) for defense applications.
  • Collaborate with frontend teams to integrate APIs, databases, and deployment pipelines.
  • Implement and optimize SQL and NoSQL (MongoDB) solutions for mission-critical data storage.
  • Build and maintain CI/CD pipelines using GitLab CI/CD for automated testing, deployment, and security compliance.
  • Write unit/integration tests to ensure code reliability in a high-stakes environment.
  • Containerize applications with Docker and manage deployments in secure infrastructure.
  • Follow Git-based workflows (feature branches) in GitLab for collaborative, traceable development.
  • Troubleshoot performance bottlenecks, debug issues, and enforce system scalability under strict security constraints.


REQUIREMENTS

  • 3–5 years of backend development experience with FastAPI (Python) or similar frameworks (Flask, Django).
  • Strong proficiency in SQL and NoSQL (MongoDB).
  • Hands-on experience with Docker for containerization and secure deployment.
  • Familiarity with CI/CD pipeline automation tools (CI/CD, GitHub Actions, Gitlab CI/CD).
  • Experience writing unit tests and ensuring code coverage for mission-critical systems.
  • Professional English proficiency for clear communication in cross-functional teams.
  • Ability to work independently and collaboratively in a fast-paced, agile environment.
  • Familiarity with Linux systems and command-line tools (bash, shell, etc.) for development and deployment.


PREFERRED/PLUS IF YOU HAVE

  • Experience with Go (Golang) for backend development in secure systems.
  • Familiarity with message queues (Kafka, RabbitMQ) or microservices architecture.
  • Contributions to open-source projects or a portfolio of backend applications in security-sensitive domains.
  • Experience with agile methodologies (Scrum, Kanban) and DevOps practices.
  • Hands on experience with LLM frameworks, agentic pipelines and tools etc.


WHAT WE OFFER

  • Cutting-edge backend projects in the defense industry, with technologies like FastAPI, Docker, and MongoDB.
  • A dynamic, agile-driven work culture with opportunities to take initiative and own high-impact tasks.
  • Hybrid work model (2 days remote/week) and flexible working hours in a tech-forward environment.
  • Competitive salary with performance-based bonuses and annual salary reviews.
  • Private health insurance, meal card, and transportation assistance.
  • Team-building activities, pre-work breakfast, and a positive, inclusive workplace.
  • Career growth in a company committed to innovation, security, and engineering excellence.

Key Skills

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