
Senior Backend Engineer – Node.js / Rust
- Remote, Hybrid
- Leuven, Vlaams Gewest, Belgium
- Engineering
Job description
Are you a seasoned Node.js Backend Engineer looking to take on exciting technical challenges in a fast-moving, product-driven environment?
At Luzmo, we’re building an outstanding embedded analytics platform, and we’re looking for a Senior Backend Engineer with solid Node.js expertise — and ideally some Rust knowledge — to help us scale, innovate, and deliver real value to our users.
You’ll play a key role in maintaining and developing new features across our backend stack, with the opportunity to work closely with our Rust-based query engine, one of the core components of our product.
If you’re passionate about clean code, performance, and working in a collaborative team that values ownership and innovation — we’d love to hear from you.
Who We Are
Luzmo is an embedded analytics platform that enables software vendors to integrate interactive dashboards and insights directly into their applications. Founded in Belgium in 2015, Luzmo operates in over 33 countries, with core markets in North America and Europe. Rebranded in 2023 and backed by fresh funding, the company is set for significant growth.
Key Responsibilities:
Design, build, and maintain backend services using Node.js and TypeScript
Work with relational databases like PostgreSQL, and NoSQL systems such as Clickhouse or Snowflake
Collaborate with cross-functional teams (Product, Frontend, Platform) to deliver end-to-end features
Take ownership of your work — from concept to deployment
Ensure code quality with tests and best practices — and yes, get a rush when everything turns green 🚦
Contribute to continuous deployment and daily shipping workflows
Occasionally travel for team gatherings (1–2 times per year)
Job requirements
5+ years of professional experience in backend software development
Strong expertise in Node.js / TypeScript
Solid experience with data modeling and SQL databases like PostgreSQL
Familiarity with NoSQL systems (e.g., Clickhouse, Snowflake)
Experience in SaaS product development is a plus
Bonus points for Rust experience, or a willingness to learn it (we use Rust for our query engine)
Strong problem-solving skills and a growth mindset
A true team player, but also capable of working autonomously
Prior experience mentoring junior developers
Detail-oriented and comfortable working in a CI/CD environment
Experience with AWS and Pulumi is a plus
Excellent communication skills in English (written and spoken)
Available to work in the CET timezone
Note: We cannot sponsor a work permit. If you don’t live in Belgium, you are open to a contracting role.
What this job offers:
An exciting scale-up environment with growth opportunities
Shaping the analytics experience of the future
Coaching by a great engineering team
Competitive base salary
Flexible holiday policy
Remote working possibilities
International get-togethers
The equipment/software/tech that you need to do your job
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