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Backend Developer (Go)

Salary

45,000€ - 60,000

Skills

Location

Languages

Advanced EnglishAdvanced Spanish

Job Description

We are looking for a Mid Go Backend Developer with a proven track record in production-level applications. As part of our team, you’ll lead the development and architecture of a groundbreaking cybersecurity platform. You’ll be responsible for designing new features, improving security and performance, and mentoring junior developers. This role involves both remote work and regular in-person collaboration in our offices in Madrid or Barcelona.

What You’ll Do

• Develop, test, and maintain highly scalable and secure Go-based backend applications.

• Lead architectural improvements, focusing on microservices and performance optimization.

• Ensure best practices for cybersecurity are followed throughout the development process.

• Participate in code reviews and mentor junior developers.

• Work with various programming languages and technologies depending on the project requirements.

What We’re Looking for in a Developer

• Strong proficiency in Go with proven experience in production-level applications.

• Experience with microservices architecture, cloud platforms (AWS, GCP, Azure), and containerization (Docker/Kubernetes).

• Good level on writing Regular Expressions, Restful APIs, and testing methodologies (TDD, BDD...)

• Deep understanding of cybersecurity best practices.

• Knowledge of AI tools like Copilot or Cursor

• Leadership skills with experience mentoring junior developers.

Nice-to-Haves

• Experience with languages like Python, Rust, or JavaScript.

• Familiarity with cybersecurity tools and frameworks.

• Experience with DevOps processes, CI/CD pipelines, and infrastructure as code.

Soft skills

• Good level of English, Spanish will also be valued

• Ability to communicate well with peers

• Capacity to take initiative

• Sense of ownership and accountability for driving results

Perks

• Hybrid work environment (remote and regular in-person work in our Madrid or Barcelona offices).

• Work on exciting, impactful projects and grow with the company.

• A dynamic, innovative team where your contributions are valued.

• Competitive salary and benefits package.

Hiring Process

  1. Interview with senior member of the team
  2. Practical interview
  3. Final interview with CEO or Manager
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Zynap

Zynap is redefining how companies defend themselves in cyberspace, building the first AI agent workflow platform for preventive cybersecurity.

Our agentic AI-driven platform empowers security teams to automate what slows them down, connect what’s fragmented, and turn threat intelligence and context into coordinated, proactive defense. By bringing together offensive security, threat intelligence, and AI agents, Zynap helps organizations detect faster, respond smarter, and prevent threats before they spread.

We act as the operational brain for cybersecurity teams, bringing processes and tools together into one intelligent system. We combine deep cybersecurity expertise with a builder’s mindset, all to achieve one goal: empowering teams to outsmart cybercrime.

Join us in shaping the future of cybersecurity, where anticipation, foresight, and action redefine protection.

Photos

The Zynapers

About the team

37

employees

34

avg. age

7

nationalities

Benefits and perks

  • Work from home

Location

Barcelona, España