Senior Back-End Engineer

Lansweeper is an IT asset management software helping businesses better understand, manage and protect their IT devices and network. We currently discover and monitor around 100 million connected devices from 25,000+ customers, including Mercedes, FC Barcelona, Michelin, Sony, Carlsberg, Nestlé, IBM, Maersk and Samsung to governments, banks, NGOs, and universities, driven by its 150+ strong teams in Belgium, Spain, Italy, Ireland, UK and the USA.

Over 90% of our customers renew their subscriptions every year and we onboard 250 new customers every month. Our high-performance / high-reward culture emphasizes improvement and progress. Under the "work hard, play hard" motto we want employees to grow professionally through ongoing learning and taking on new challenges.

If you believe you have what it takes to help us take Lansweeper to the next level contact us now!

Senior Back-End Engineer You will play a key role in designing, building, and maintaining robust, scalable, and secure server-side applications. You will collaborate closely with front-end developers, DevOps engineers, and product stakeholders to implement efficient APIs and business logic. Your responsibilities will include writing clean, maintainable, and well-tested code, optimizing application performance, and staying current with best practices and emerging back-end technologies.

A day in the life of a Senior Back-End Engineer Manage the full lifecycle of new epics, from technical design to customer delivery

Design and implement scalable, high-performance backend features

Write and maintain clear technical documentation and architecture decisions

Analyze and troubleshoot system performance issues

Ship production updates daily with minimal risk

Provide technical leadership and support across engineering teams

Conduct code reviews to uphold engineering standards and code quality

Are you the new Senior Back-End Engineer at Lansweeper?

I am someone who

Delivers consistent, high-quality results in modern software engineering

Brings a user-centered mindset and works comfortably in Agile teams

Uses AI-powered coding tools as part of my daily workflow

Keeps up with emerging technologies, patterns, and best practices

Communicates effectively with engineers, product managers, and stakeholders

I have

At least 4 years of experience in cloud-native backend development

Strong expertise in Golang and Node.js

Bonus points for Rust experience

Hands-on experience deploying services to Kubernetes , with full CI / CD ownership using GitHub

Proven skills with Postgres and MongoDB

Familiarity with Kafka and distributed messaging architectures

Bonus experience with ClickHouse and Iceberg-based data lakes

Good knowledge of observability, monitoring, and system health metrics

Complete professional fluency in English

This role may include participation in our on-call duty system, which means being available outside regular hours to respond to urgent technical incidents. On-call weeks are planned in advance, and we offer a base allowance plus potential overtime compensation. You would need to respond within 30 minutes and be reachable by laptop, phone, or email when on call.

Our offer you can’t refuse Growing along with a company in full expansion

Variation, challenges and responsibility

Easygoing teamwork

Working with leading tools and newest technology

Full-time long-term contract

Competitive wage

Extra company benefits

Flexible working hours

Internal and external training

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