Software Development

Atmen Solutions GmbH

1-10

Spain

Atmen is a **RegTech startup** revolutionising green certification. Our **SaaS platform** helps energy-intensive industries (fuels, chemicals, materials) **automate compliance and certification**—cutting down time by up to **90%**.

We replace today's **manual, costly, and unpredictable** certification processes with **continuous, technology-driven verification**. Our mission? Making **sustainable production simple, scalable, and cost-effective.**

Our HQ is in Munich, Germany, but we recently opened an office in Madrid as well.

## Tasks

As a **Desarrollador(a) de Software** / **Senior Software Engineer**, you will play a **key role** in shaping our product, working closely with our engineering and product teams to build **robust, scalable, and maintainable** software solutions. You will:

*   **Develop, test, and deploy** full-stack software solutions, ensuring high-quality, maintainable code.
*   **Drive development** from ideation to production, working closely with designers, engineers, and product managers.
*   **Lead by example** by writing clean, testable code and supporting engineering best practices.
*   **Own features end-to-end**—from architecture to implementation, deployment, and monitoring.
*   **Improve performance, reliability, and scalability** to ensure our platform meets enterprise-grade standards.
*   **Mentor and collaborate** with team members, fostering a culture of continuous learning and growth.

## Requirements

🏆 Must-haves

*   **5+ years of professional experience** in software development, preferably in full-stack roles.
*   Proficiency in **TypeScript, React, Node.js, PostgreSQL, and AWS**.
*   **Strong software engineering principles**: clean code, modularity, testing, and maintainability.
*   Experience designing and maintaining **scalable, distributed systems**.
*   **Self-motivated** and able to navigate a **fast-changing startup environment**.
*   **Excellent communication skills** in English (both written and spoken).
*   **Master’s degree or equivalent experience** in Computer Science, Engineering, or a related field.

_We encourage all qualified applicants to apply, even if you don't meet every single requirement._

🙏 Nice-to-haves

*   Experience with **Test-Driven Development (TDD)** and end-to-end testing.
*   Exposure to **AI/ML or GenAI integrations**.
*   Related domain expertise: **energy, certification, sustainability, or regulated industries**.
*   Experience working in a **fast-paced startup environment**.

💻 Our core technologies

*   **Frontend**: React, TypeScript
*   **Backend**: Nest.js (Node.js, TypeScript)
*   **Testing**: Cypress, Jest
*   **Infrastructure**: AWS (AWS CDK)
*   Nx, GitLab CI

☑️ Job requirements

*   Availability: **Full-Time**
*   Valid **working permit** in Spain
*   Fluency in **English**
*   Willingness to regularly work in our office in **Madrid**, Spain.

## Benefits

🛠️ How we work

*   **Asynchronous first**: We minimise unnecessary meetings and document everything in **Notion**.
*   **Focus time & deep work**: Meetings-free mornings + 1 in-office Team Day per week.
*   **Fast-paced, iterative development**: We push to main frequently and release several times per week.
*   **Strong testing culture**: Pragmatic test-driven development (TDD), heavy use of E2E tests.

🤫 Why Join Us?

*   **🚀 Impact:** Be part of **a small, high-performing team** driving **real-world sustainability impact**.
*   🔀 **Hybrid work and Madrid office:** work from the office and from home.
*   **📈 Growth:** Join an **early-stage startup** with significant ownership and career growth potential.
*   **🦾 Cutting-edge tech:** Work on exciting challenges in **automation, AI, and compliance tech**.
*   🏄🏻‍♀️ **“Well Pass”** as an employee benefit - giving you unlimited access to most fitness centres

➡️ Apply for this position

**Send your CV + cover letter (optionally) + answer our screening questions.**

⚖️ Atmen **is an equal opportunity employer**

We embrace diversity and are committed to creating an inclusive environment for all employees and stakeholders. We are open to all candidates without regard to age, color, national origin, religion, gender or any other characteristics.

Employee

Professional / Experienced

Atmen is a RegTech startup revolutionising green certification. Our SaaS platform helps energy-intensive industries (fuels, chemicals, materials) automate compliance and certification—cutting down time by up to 90%.
We replace today&#39;s manual, costly, and unpredictable certification processes with continuous, technology-driven verification. Our mission? Making sustainable production simple, scalable, and cost-effective.
Our HQ is in Munich, Germany, but we recently opened an office in Madrid as well.
<h2 id="tasks">Tasks</h2>
As a Desarrollador(a) de Software / Senior Software Engineer, you will play a key role in shaping our product, working closely with our engineering and product teams to build robust, scalable, and maintainable software solutions. You will:
<ul>
<li>Develop, test, and deploy full-stack software solutions, ensuring high-quality, maintainable code.</li>
<li>Drive development from ideation to production, working closely with designers, engineers, and product managers.</li>
<li>Lead by example by writing clean, testable code and supporting engineering best practices.</li>
<li>Own features end-to-end—from architecture to implementation, deployment, and monitoring.</li>
<li>Improve performance, reliability, and scalability to ensure our platform meets enterprise-grade standards.</li>
<li>Mentor and collaborate with team members, fostering a culture of continuous learning and growth.</li>
</ul>
<h2 id="requirements">Requirements</h2>
🏆 Must-haves
<ul>
<li>5+ years of professional experience in software development, preferably in full-stack roles.</li>
<li>Proficiency in TypeScript, React, Node.js, PostgreSQL, and AWS.</li>
<li>Strong software engineering principles: clean code, modularity, testing, and maintainability.</li>
<li>Experience designing and maintaining scalable, distributed systems.</li>
<li>Self-motivated and able to navigate a fast-changing startup environment.</li>
<li>Excellent communication skills in English (both written and spoken).</li>
<li>Master’s degree or equivalent experience in Computer Science, Engineering, or a related field.</li>
</ul>
We encourage all qualified applicants to apply, even if you don&#39;t meet every single requirement.
🙏 Nice-to-haves
<ul>
<li>Experience with Test-Driven Development (TDD) and end-to-end testing.</li>
<li>Exposure to AI/ML or GenAI integrations.</li>
<li>Related domain expertise: energy, certification, sustainability, or regulated industries.</li>
<li>Experience working in a fast-paced startup environment.</li>
</ul>
💻 Our core technologies
<ul>
<li>Frontend: React, TypeScript</li>
<li>Backend: Nest.js (Node.js, TypeScript)</li>
<li>Testing: Cypress, Jest</li>
<li>Infrastructure: AWS (AWS CDK)</li>
<li>Nx, GitLab CI</li>
</ul>
☑️ Job requirements
<ul>
<li>Availability: Full-Time</li>
<li>Valid working permit in Spain</li>
<li>Fluency in English</li>
<li>Willingness to regularly work in our office in Madrid, Spain.</li>
</ul>
<h2 id="benefits">Benefits</h2>
🛠️ How we work
<ul>
<li>Asynchronous first: We minimise unnecessary meetings and document everything in Notion.</li>
<li>Focus time &amp; deep work: Meetings-free mornings + 1 in-office Team Day per week.</li>
<li>Fast-paced, iterative development: We push to main frequently and release several times per week.</li>
<li>Strong testing culture: Pragmatic test-driven development (TDD), heavy use of E2E tests.</li>
</ul>
🤫 Why Join Us?
<ul>
<li>🚀 Impact: Be part of a small, high-performing team driving real-world sustainability impact.</li>
<li>🔀 Hybrid work and Madrid office: work from the office and from home.</li>
<li>📈 Growth: Join an early-stage startup with significant ownership and career growth potential.</li>
<li>🦾 Cutting-edge tech: Work on exciting challenges in automation, AI, and compliance tech.</li>
<li>🏄🏻‍♀️ “Well Pass” as an employee benefit - giving you unlimited access to most fitness centres</li>
</ul>
➡️ Apply for this position
Send your CV + cover letter (optionally) + answer our screening questions.
⚖️ Atmen is an equal opportunity employer
We embrace diversity and are committed to creating an inclusive environment for all employees and stakeholders. We are open to all candidates without regard to age, color, national origin, religion, gender or any other characteristics.

Desarrollador de Software - Senior Software Engineer (Full Stack)

Content & Social Media Manager

Atmen logo

Google {privacyLink} and {termsLink} apply.

Benefits

Media

We don't have any open positions at the moment

No available jobs

Offices

Open positions

Values

Videos

Do you have a question?

Spontaneous Application

We’ll send a link to this job to your email.

No time? Just apply later

We are reviewing your account. Once our managers approve it, candidates will be able to apply for this job.

Changes are not visible until you publish your job.

This is a preview of your job ad.

Interested?

The job {jobTitle} was archived or the deadline has passed.

This job is no longer available

Recruiting Team

Our other open positions

We no longer accept spontaneous applications

Are you a talented professional seeking your next career adventure? At {companyName}, we appreciate proactive individuals who can bring a fresh perspective to our team.

While we may not have an immediate job opening that precisely matches your needs, your distinctive experiences and talents might be an excellent fit for us in the future.

To submit your spontaneous application, please use the application form on the right to upload your CV and cover letter. Ensure that you mention your desired position in the cover letter.

Rest assured, our dedicated recruiting team will reach out to you once they identify a role that aligns perfectly with your skills and aspirations.

How to apply

Looking for a job at {companyName}? JOIN works directly with {companyName} to bring you all their open positions. Apply now with JOIN.com.

Jobs at {companyName}. Browse all open positions and become part of our team! Open positions: {jobsCount}

Jobs at {companyName}. Browse our open jobs and join us! We currently have {jobsCount} available jobs. Step up your career and apply today!

Jobs at {companyName}. Browse all our open positions and become part of our team! We have currently {jobsCount} jobs available. Apply today to join us!

Jobs at {companyName}. Browse all open positions and become part of our team! We are currently looking for {jobsCount} additions to our company. Apply today!

Jobs at {companyName}. Browse all open positions and become part of our growing team! We are currently looking for {jobsCount} additions to our company. Apply today!

Jobs at {companyName}. Browse all our open positions and become part of our growing team! We are currently looking for {jobsCount} additions to our company. Apply today!

Browse all our open positions and become part of our team! We are looking for {jobsCount} additions to our company. Take the next step in your career and apply today!

No suitable positions available at {companyName}? Don't wait! Submit a spontaneous job application today and unlock your career possibilities tomorrow.