Senior Back-End Engineer

Lansweeper NV; Alicante; Presencial; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A leading IT asset management company in Alicante is seeking a Senior Back-End Engineer to design and build scalable server-side applications. The ideal candidate has at least 4 years of cloud-native backend experience, expertise in Golang and Node.js, and strong knowledge of Kubernetes and databases. This full-time role offers competitive compensation, flexible working hours, and professional development opportunities.

Servicios

Competitive wage

Flexible working hours

Internal and external training

Extra company benefits

Formación

• At least 4 years of experience in cloud-native backend development.
• Strong expertise in Golang and Node.js.
• Hands-on experience deploying services to Kubernetes.
• Proven skills with Postgres and MongoDB.
• Complete professional fluency in English.

Responsabilidades

• Design and implement scalable, high-performance backend features.
• Write and maintain clear technical documentation.
• Analyze and troubleshoot system performance issues.
• Conduct code reviews to uphold engineering standards.

Conocimientos

Cloud-native backend development

Golang

Node.js

Kubernetes

Postgres

MongoDB

Kafka

CI/CD

Emerging technologies

Descripción del empleo

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