Senior Backend Developer (Golang)

TL;DR

Senior Backend Developer (Golang): Develop high-quality backend code and libraries for secure IoT connectivity solutions with an accent on distributed systems, cloud technologies, and security. Focus on designing scalable APIs, implementing performance and security requirements, and optimizing system architecture under high loads.

Location: Sant Joan Despí (hybrid: 3 days remote per week, office Mon–Thu 8:30–17:30, Fri 8:30–15:30). Easily accessible by public transport.

Company

International technology group with over 14,000 employees in 40 countries, specializing in SecurityTech for IoT connectivity, digital security, financial platforms, and currency technology.

What you will do

• Develop reusable, testable backend code and modules using Golang.
• Participate in requirement analysis, system architecture definition, and implementation of functional/non-functional requirements like performance and security.
• Review and refactor code, promote best practices, and mentor team members in SDLC.
• Collaborate with solution architects, product managers, and global stakeholders on lighthouse projects in digital currencies.

Requirements

• 5+ years experience as Backend Software Developer.
• 3+ years in backend systems or systems programming; 7+ years in procedural, object-oriented, or functional languages.
• Solid experience with RESTful APIs and Git.
• Hands-on with distributed systems, cloud technologies, security practices.

Nice to have

• Experience with TDD, CI/CD, Kanban, OWASP secure coding.

Culture & Benefits

• People-oriented environment with diverse nationalities, flat hierarchies, and great team spirit; Equal Opportunity and LGBT+ friendly.
• Flexible working hours, 3 days remote, own canteen with affordable meals.
• Flexible compensation including transport tickets, training, private insurance; continuous career development programs.
• Global collaboration and impactful work on digital transformation projects.

Hiring process

• 90-day onboarding: setup environment, training, shadowing, contributions, feature delivery, and mentoring.
• Structured stages with pair programming, workshops, security retrospectives, and documentation.