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Back End Developer (Node.js, SQL) Job Opening In Spain – Now Hiring Action1


Job description

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Action1 is an autonomous endpoint management platform trusted by many Fortune 500 companies.

Cloud-native, infinitely scalable, highly secure, and configurable in 5 minutes—it just works and is always free for the first 200 endpoints, with no functional limits.

By pioneering autonomous OS and third-party patching with peer-to-peer patch distribution and real-time vulnerability assessment without needing a VPN, it eliminates routine labor, preempts ransomware and security risks, and protects the digital employee experience.

In 2025, Action1 was recognized by Inc.

5000 as the fastest-growing private software company in America.

The company is founder‑led by Alex Vovk and Mike Walters, American entrepreneurs who previously founded Netwrix, a multi‑billion‑dollar cybersecurity company.

About us

Action1 is an autonomous endpoint management platform trusted by many Fortune 500 companies.

Cloud-native, infinitely scalable, highly secure, and configurable in 5 minutes—it just works and is always free for the first 200 endpoints, with no functional limits.

By pioneering autonomous OS and third-party patching with peer-to-peer patch distribution and real-time vulnerability assessment without needing a VPN, it eliminates routine labor, preempts ransomware and security risks, and protects the digital employee experience.

In 2025, Action1 was recognized by Inc.

5000 as the fastest-growing private software company in America.

The company is founder‑led by Alex Vovk and Mike Walters, American entrepreneurs who previously founded Netwrix, a multi‑billion‑dollar cybersecurity company.

You will

  • Develop API and backend for a high-load product with numerous endpoints
  • Optimize SQL queries to handle billions of data
  • Do code optimization to support many connections
  • Make the world more cyber secure every day!

Requirements

  • 4+ years of software development experience
  • Excellent knowledge of Node.js, JS, SQL/MySQL
  • Experience in designing and developing REST APIs
  • Good knowledge of AWS (Lambda, RDS, Dynamo)
  • Knowledge of PHP or readiness to learn it
  • Ability to work independently and as part of a team in a highly dynamic and fast‑paced environment

Benefits

  • A multitude of interesting challenges and opportunities
  • Stable income and flexible working hours, opportunities for promotion
  • Friendly and professional peers, eager to help and grow you

Join Action1 and be a driving force behind our success!

Seniority level

  • Mid‑Senior level

Employment type

  • Full‑time

Job function

  • Software Development

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Required Skill Profession

Informática Y Tecnología


  • Job Details

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Unlock Your Back End Potential: Insight & Career Growth Guide


Real-time Back End 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 Back End in , , Spain, Spain, highlighting market share and opportunities for professionals in Back End roles.

8174 Jobs in Spain
8174
369 Jobs in , , Spain
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Download Back End Jobs Trends in , , Spain and Spain

Are You Looking for Back End Developer (Node.js, SQL) Job?

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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 Action1 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 Back End Developer (Node.js, SQL) Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in Spain. 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 Back End Developer (Node.js, SQL)?

Key qualifications for Back End Developer (Node.js, SQL) typically include Informática Y Tecnología 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.

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Interview Tips for Back End Developer (Node.js, SQL) Job Success

Action1 interview tips for Back End Developer (Node.js, SQL)

Here are some tips to help you prepare for and ace your Back End Developer (Node.js, SQL) job interview:

Before the Interview:

Research: Learn about the Action1'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 Back End Developer (Node.js, SQL) interview at Action1, 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 Action1'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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