Senior Software Engineer – (Go/Rust/C++)

Alicante, Spain · Hybrid (3 days onsite/week) · Full-time

Context & Impact:

Lansweeper is the AI Cyber Asset Intelligence platform helping IT and Security teams gain full visibility, reduce cyber risk, and scale automation with confidence. We transform raw asset data into a continuously validated, trusted source of truth — so teams can move faster and act with certainty.

The Recognition & DataCore team owns the core intelligence layer of our platform: the systems that discover, identify, classify, and enrich millions of assets across IT, OT, cloud, and IoT environments. This is high-stakes, high-scale backend engineering — the kind of work where precision, performance, and reliability directly affect the security posture of our enterprise customers worldwide.

We are looking for a Senior Software Engineer who writes production-quality Go or Rust , thinks deeply about distributed systems , and treats AI‑assisted development as a daily practice — not an experiment.

AI Fluency

At Lansweeper, we are building an AI-native engineering culture . We expect all engineers to actively use AI tools to enhance productivity and quality across the software development lifecycle, including coding, testing, documentation, and system design . Candidates should be comfortable working with AI-assisted workflows and continuously evolving their approach as tools and practices advance.

Challenge

The main challenges you'll face are:





- Enhancing and maintaining high-scale distributed backend systems handling millions of assets
- Solving complex data processing, enrichment, and classification problems at scale
- Maintaining performance, reliability, and engineering rigor in an AI‑assisted development environment

Key Responsibilities

- Design and build scalable backend services and data pipelines for asset discovery, recognition, and enrichment
- Work on distributed systems problems : concurrency, fault tolerance, and high-throughput processing
- Integrate AI and ML capabilities into product workflows
- Contribute to architecture decisions and technical standards
- Use AI-assisted development tools as part of your daily workflow
- Mentor engineers and raise the technical bar
- Participate in code reviews, design discussions, and continuous improvement

Key Requirements

Hard Skills

- Primary language: Go or Rust
- Proven experience building distributed systems at scale
- Strong experience with AI-assisted development tools (Claude Code, Cursor, Copilot, etc.)
- Hands-on experience with AWS, Kubernetes, and Terraform
- Strong understanding of backend systems and data-intensive platforms
- Active engineering practice ( GitHub, open-source,



or personal projects — we will look )

Soft Skills

- Strong systems thinking and problem‑solving ability
- High ownership and accountability
- Ability to work effectively in AI-augmented environments

AI Specific Skills

Lansweeper is an AI-native company. In this role, you are expected to actively use AI-assisted development tools such as Claude Code, agents, subagents, and MCP-based workflows as a core part of your engineering workflow. You should be comfortable prompting, validating, and refining AI-generated code , and using AI to improve development speed while maintaining production-quality standards.

Team Info

You will join an enthusiastic team of 40 engineers based in Spain (integral engineering team is 120 people)

Our Offer

- Salary Range : €48,295 – €78,478 gross per year
- Competitive benefits: comprehensive health insurance, meal vouchers, pension plan, internet reimbursement
- Career growth and learning opportunities within a fast-scaling SaaS company
- Flexibility in working hours and hybrid work options; 3 days a week in office
- Office location: Isla de Corfu shopping center, Avenida Doctor Jiménez Díaz, 19, 1st floor, box 3, 03005, Alicante
- Engaging company culture with team events and international collaboration

Pay Transparency

At Lansweeper, every role is assigned to a level defined by three things: the expertise it requires, the complexity it involves, and the scope of impact it carries.

Each leve

📌 Senior Software Engineer (España)
🏢 Lansweeper
📍 España