Software Developer

Software Developer
Lisboa
Lisboa, Lisboa, Portugal

Software Developer (Full-Stack / Front-End)

Remote in Portugal | Full-time, Permanent | English

** Note: The role is remote but only open to candidates based in Portugal or able/willing to relocate

About Us

At Land
OS we're building the intelligence layer for sustainable land use, combining AI, LLMs, and Earth Observation to unlock
- utilized land and enable projects that restore ecosystems, support rural economies, and drive climate action.

We're a
- first startup in Portugal built by people who've designed and scaled global software products, including a track record that includes 4x Apple Design Awards, and who've led
- on engineering teams and platform work across companies such as Facebook, Foursquare, Samsung, AT&T, and AOL. We blend product craftsmanship, deep engineering, and climate/investment experience to move fast with purpose.

At its core, Land
OS exists to reconnect people to land, turning complexity into clarity and potential into real impact. This is more than just a software role. It's a chance to join a small but senior,
- driven team using technology to accelerate Europe's transition to sustainable land use and ecological restoration.

The Role

We're looking for a Developer (Full-Stack or Front-End focused) to help design and build the next evolution of our platform, a system that fuses LLM-powered knowledge, geospatial data, and
- time workflows into an intuitive experience for landowners and institutional partners.

You'll join early enough to shape key architectural and product decisions, working closely with our product, AI, and EO/GIS teams. Depending on your strengths and interests, you may focus more on the full stack or specialize in creating exceptional
- end experiences.

What You'll Do

Design, build, and maintain platform features using Next. js and Type
Script

Develop intuitive, responsive user interfaces that make complex data accessible

Build and integrate backend APIs and data pipelines (for
- stack candidates)

Collaborate with our design and product team to develop agentic workflows and smart user experiences

Work with AI/LLM workflows, Earth Observation data, and land information systems

Ensure system performance, maintainability, and security across the stack

Contribute to Dev
Ops, CI/CD, and cloud deployment strategy

Write clean, modular, and
- tested code, supported by automated workflows

What We're Looking For

Essential:

Portugal based (currently or able/willing to relocate)

Strong affinity with Portugal and our mission

3-5+ years of professional experience in
- stack or
- end development

Deep knowledge of Next. js and Type
Script/Java
Script

Strong experience with modern
- end development (React,
- based architecture, state management)

Solid understanding of RESTful APIs and data handling

Familiarity with LLM integration, AI-powered workflows, or interest in agentic systems

Ability to work autonomously in a remote,
- moving startup environment

Excellent communication skills in English

For Full-Stack Candidates (in addition to the above):

Experience with at least one modern backend framework (Node. js, Fast
API, Nest
JS, etc. )

Solid experience designing and consuming RESTful APIs

Experience with SQL & No-SQL databases

Experience with containers (Docker, Kubernetes)

Nice-to-Have:

Experience with Post
GIS, Earth Observation, or geospatial data

Comfort with Python for AI or data workflows

Why join us?

Mission with Real Impact:

Build tech that directly supports climate, biodiversity, social benefit, and land restoration outcomes.

Tech Ownership:

Shape our stack and architecture at an early stage.

Cross-Disciplinary Team:

Work with AI, EO, and sustainability experts.

Remote-First Flexibility:

Work from anywhere in Portugal. Based in the Centro region or Lisbon is a plus for occasional team meetups.

Growth & Equity:

Early-stage startup with significant responsibility and potential upside.