Senior Software Engineer (f/m/d)

Overview

Senior Software Engineer (f/m/d) role at Kaiko Systems. Founded in 2020, Kaiko Systems is a tech company driving digital innovation in the global maritime industry. Our mission is to make shipping safer, smarter, and more collaborative by transforming manual processes into actionable intelligence. With our products, ship crews can collect reliable vessel data on the job, while our AI-powered analysis generates actionable insights for technical teams onshore. These insights help predict incidents, reduce downtime, and enhance safety and efficiency, empowering shipping companies to operate at their best. At Kaiko Systems, we’re delivering solutions that make a real difference in people’s work lives and their professional environment. Join us as we navigate the future of maritime together.

Your mission

We are looking for an experienced Senior Software Engineer to join our journey at Kaiko Systems in Berlin, London or Brasil. If you're passionate about clean code, smart architecture, and product impact—you'll feel right at home.

What You’ll Do

• Deliver End-to-End Value: Own features from idea to delivery, collaborate with Product Managers, test, perform code reviews, and manage deployment to ensure reliable and impactful software.
• Code with Purpose: Write and maintain Python code using Django, Celery, and PostgreSQL with attention to performance, readability, and scalability.
• Design Thoughtfully: Develop scalable, maintainable, and secure mid-sized project architectures.
• Build Reliable Systems: Create robust, testable code and implement automated testing strategies.
• Own the Infra: Support and improve the DevOps stack with CI/CD and infrastructure-as-code practices.
• Secure by Design: Apply secure development practices and participate in security reviews and threat mitigation.
• Collaborate in Agile Flow: Contribute as a core member of cross-functional agile teams, participate in sprints, provide feedback, and help improve team workflows.
• Mentor & Grow: Mentor engineers and lead by example.

Our Current Tech Stack

• Python
• Django
• Celery
• PostgreSQL
• HTMX
• Tailwind

Your Skillset To Navigate Success

• You have 5+ years of experience building complex applications in a full-stack environment.
• You’ve experienced product and company growth and know how to navigate the challenges that come with it.
• You strike the right balance between agile frameworks (Scrum, Kanban) and getting things done — knowing when structure helps and when speed matters most.
• You've shipped large-scale products while keeping simplicity, maintainability, and performance in mind.
• You make technical decisions based on pragmatism, not hype — always choosing the right tool for the job.
• Ideally, you’ve had exposure to ReScript or are curious about ML-style languages like OCaml, ReasonML, or Gleam.
• You take projects from idea to delivery, with a strong sense of ownership and accountability.
• You’re self-driven but also a great team player who collaborates openly and supports others.

Hiring Process

• Screening Interview – Talent Acquisition Manager: An initial conversation to learn more about your background, motivation, and fit with Kaiko Systems.
• Take-Home Coding Task: A practical challenge that reflects the type of work you’ll encounter with us.
• Code Review & Systems Design Interview – CTO: Discuss design decisions and approach to building scalable systems.
• Product Delivery Team Interview: Meet future teammates and demonstrate collaboration in product delivery.
• Reference Check: Final step to complete the overall picture of your experience and working style.

Our process is designed to be fair, structured, and respectful of your time, while ensuring we find the right mutual fit.

Worried you don’t check every box? If this role excites you, but your experience doesn’t align perfectly with every qualification, we encourage you to apply anyway. You could be exactly what we’re looking for — either for this role or another one!

Why Us?

• Join a highly ambitious and diverse team with a collaborative working environment at a very exciting time in the company’s development.
• Be at the forefront of digitalization in a critical global industry.
• Great office in the heart of Berlin as well as flexible / remote options.
• Flexible and hybrid work environment that values work-life balance.
• Generous vacation policy on top of bank holidays.

About Us

We’re a growing company expanding our business and team. We are committed to building an inclusive workplace and values diversity of perspectives. We believe innovation thrives when diverse perspectives come together to revolutionize the maritime sector through technology.

These values guide how we work and will be part of our conversations during the recruiting process.