Senior Ruby/Rails Developer

Salary €4,000 - €6,500
Equity To be negotiated

We are looking to hire a seasoned Ruby / Rails developer.

You would join an ambitious and high-performing team of professionals with experience from leading startups and corporates in Europe, Africa, and the US.

Fuzu builds and operates a career development platform that helps people accelerate their growth through career guidance, learning and inspirational content. To date, the platform has supported more than 15 million users. Similarly, we support employers in finding and nurturing their talent - the most valuable asset any organization possesses. Fuzu personalizes the user experience based on advanced data architecture and ML based algorithms. We have teams in Finland, Kenya, Uganda, Nigeria and Ukraine. Our work has been recognised globally and we have been nominated as one of the most promising growth companies in Africa and the Nordics.

Great software products can only be created by A-level performers who place the needs of the end-users at the forefront of everything. Fuzu's ambition is bold.


This position includes:

  • Leadership & Collaboration: Report directly to the Head of Engineering and collaborate with product managers and designers.

  • Feature Development & Machine Learning: Implement and optimize backend features, including API endpoints, background jobs, and integrations with Machine Learning algorithms.

  • Code & Quality Assurance: Maintain high standards of code quality through unit testing and code reviews.

  • Technical Planning: Evaluate the technical feasibility and RoI of proposed features, and participate in sprint planning.

  • Documentation & Integration: Create technical documentation and integrate features with our React frontend and third-party services.

  • Performance & Troubleshooting: Continuously improve platform performance and resolve production issues.

What we expect from you:

  • Experience: Minimum of 5 years of experience in software development, with a focus on Ruby on Rails. Experience in SaaS and/or high-growth startups is a plus.

  • Technical Skills: Strong back-end development skills, preferably full-stack capabilities. Familiarity with technologies like React, Python, PostgreSQL, and AWS is beneficial.

  • Data-Driven Approach: Ability to evaluate the impact and technical feasibility of solutions, aligning technical specifications with business and user needs.

  • Machine Learning: Exposure to projects that include Machine Learning components, such as data classification or recommender systems, is a plus.

  • Remote Work: Must be comfortable working in a remote setting and can self-manage and be self-steering.

  • Communication Skills: Strong written and verbal communication skills, with the ability to create and maintain technical documentation.

  • Problem-Solving: Excellent problem-solving skills, with a knack for finding optimal design and technical solutions.

These are considered a plus:

  • Experience in creating technical specifications

  • CI/CD and AWS -based infrastructure experience: Docker, Kubernetes, etc.

  • Experience from projects including machine learning (e.g. data classification, natural language processing, recommender systems) components

What we offer:

  • You get to work with one of the most significant challenges of our time

  • Impactful Work: Contribute to solving one of the most significant challenges of our time in career development.

  • International Environment: Work in a diverse and international team, collaborating with colleagues from Finland to Nigeria.

  • Professional Growth: Benefit from in-depth onboarding and continuous support and coaching to help you grow in your career.

  • Data-Driven Culture: Operate in a data-driven environment where you can directly see the impact of your work.

  • Remote Flexibility: Enjoy the flexibility to work remotely, with the option to visit our offices in multiple countries.

  • Machine Learning Exposure: Gain experience in machine learning algorithms and how they are applied in a large-scale platform.

  • Flexible Working Hours: Time is precious. Make it count. Whether you're a morning person or a night owl, this job accommodates your lifestyle.


We strongly encourage candidates of all different backgrounds and identities to apply. We are remote-friendly (the main limitation is availability during Kenyan and Finnish office hours, 9 AM-3 PM) and welcome applications from everywhere. There is a possibility to work from or frequent our offices in Finland, Kenya, or Nigeria.


Fuzu’s vision is to become the undisputed home of opportunities across Africa and support millions of people and thousands of organizations in preparing themselves for success. Now it is your chance to join the Fuzu team and to help us get there!

For more information or questions please contact us at

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Remote work allowed
Remote work allowed

Skill development
Skill development

Paid holiday
Paid holiday

Social gatherings
Social gatherings

Working at
Fuzu Ltd

Fuzu was created to provide every person and organisation with tools to succeed and grow. We specialise in career development, recruitment and learning solutions for emerging market organisations and consumers - with special focus on the African consumers and businesses. Fuzu caters for both grey-and white-collar career builders and helps local businesses, multinational companies and non-profit organizations in identifying and developing talent. Our ambition is to become the go-to platform for emerging market talent and a place to dream, grow and ultimately find the next career opportunity. Fuzu has been nominated by numerous industry observers (Holoniq, Tällt Ventures, etc.) as one of the most promising growth companies across Africa. So why Africa you may ask? Africa provides an incredible opportunity for building high growth businesses with massive social impact. Startup investments are growing at a pace of 5X per annum, working age population grows faster than anywhere on the planet, people are ambitious and ready to make a difference in the global economy. So in short, Africa is the place to be at the moment!

Read more about Fuzu Ltd

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