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Full-Stack Software Engineer (Principal) Job Opening In españa – Now Hiring Friday Systems


Job description

Full-Stack Software Engineer (Principal)

Friday Systems builds AI that allows industrial robots to adapt to dynamic warehouse environments.

We focus on high-throughput palletizing and related logistic tasks, by building distributed, cloud-native systems where reliability and scalability are non-negotiable.

Tiny team, zero bureaucracy, direct impact, salary + equity.

THE ROLE

Take end-to-end ownership of our platform: Design distributed systems, build backend (80%) and frontend (20%) services, manage cloud infrastructure and ensure quality through testing and reviews.

You’ll collaborate with founders to turn business strategy into technology that scales.

YOU WILL
  • Design, implement, and maintain distributed systems and applications with a strong focus on scalable architecture and design patterns.

  • Build and deploy backend services in Java and contribute to projects in Python or C++ when required.

  • Develop and maintain RESTful APIs and web frontends using Angular.

  • Own infrastructure: Containerize services with Docker, automate operations with Bash scripting, and deploy to Cloud environments (AWS) with CI/CD best practices.

  • Manage databases, ensuring reliability, performance, and proper data modeling.

  • Guarantee software quality by writing comprehensive tests, performing code reviews, and ensuring adherence to best engineering practices.

  • Collaborate with the Leadership Team to ensure product excellence and alignment with business strategy.

    Forge strong relationships with clients, effectively translating their needs into unique technology solutions.

  • Build and nurture a high-performing team by attracting top talent.

    Provide mentorship and leadership to foster a culture of quality and innovation.

YOU HAVE
  • Track record in software engineering, architecture and design patterns.

    8+ years of development experience, with at least 5 years in a senior or lead role.

  • Strong background developing and maintaining applications in Java and Spring framework (this is a must requirement).

    Working knowledge of Python and/or C++ is a strong advantage.

  • Hands‑on experience developing modern web frontends with Angular.

  • Experience with Docker, Bash scripting, Linux environments, and network fundamentals for real‑world production systems.

  • Solid understanding of databases (SQL and NoSQL) and ability to make architectural decisions, balancing performance and scalability.

  • Strong experience with cloud platforms, ideally AWS, including deployment, scaling, and monitoring of services.

  • Experience in testing methodologies (unit, integration, end‑to‑end) and commitment to high‑quality code.

HIRING PROCESS
  • Deep technical session with the Dev.

    Team on your past work (no LeetCode, no homework)
  • Two one‑hour “Traits & Skills” conversations with our two other Co‑founders.

  • Meet the team & offer
Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Technology, Information and Internet

Madrid, Community of Madrid, Spain

#J-18808-Ljbffr

Required Skill Profession

Other General


  • Job Details

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Unlock Your Full Stack Potential: Insight & Career Growth Guide


Real-time Full Stack Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Full Stack in españa, Spain, highlighting market share and opportunities for professionals in Full Stack roles.

11360 Jobs in Spain
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Are You Looking for Full Stack Software Engineer (Principal) Job?

Great news! is currently hiring and seeking a Full Stack Software Engineer (Principal) to join their team. Feel free to download the job details.

Wait no longer! Are you also interested in exploring similar jobs? Search now: .

The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Friday Systems adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Spain laws and regulations

What Is the Average Salary Range for Full Stack Software Engineer (Principal) Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in españa. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Full Stack Software Engineer (Principal)?

Key qualifications for Full Stack Software Engineer (Principal) typically include Other General and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

How Can I Improve My Chances of Getting Hired for Full Stack Software Engineer (Principal)?

To improve your chances of getting hired for Full Stack Software Engineer (Principal), consider enhancing your skills. Check your CV/Résumé Score with our free Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.

Interview Tips for Full Stack Software Engineer (Principal) Job Success

Friday Systems interview tips for Full Stack Software Engineer (Principal)

Here are some tips to help you prepare for and ace your Full Stack Software Engineer (Principal) job interview:

Before the Interview:

Research: Learn about the Friday Systems's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

Be Yourself: Let your personality shine through while maintaining professionalism.

Be Honest: Don't exaggerate your skills or experience.

Be Positive: Focus on your strengths and accomplishments.

Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Full Stack Software Engineer (Principal) interview at Friday Systems, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Friday Systems's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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