Senior Backend Engineer (HR Tech)

TL;DR

Senior Backend Engineer (HR Tech): Design, develop, and maintain highly scalable backend systems for an intuitive HRIS platform with an accent on microservices architecture, API integrations, and continuous delivery. Focus on optimizing performance, ensuring reliability under high load, and owning the full development cycle from technical design to deployment and monitoring.

Location: Hybrid in Lisbon, Portugal

Company

Fast-growing HRIS platform serving mid-size and multinational companies globally, with offices in Lisbon, London, Amsterdam, New York, Sydney, and Tel Aviv.

What you will do

• Design, develop, and maintain scalable backend systems and APIs for seamless platform integrations.
• Collaborate with product managers, frontend engineers, and stakeholders to implement features aligned with the product roadmap.
• Write clean, efficient code, participate in code reviews, and provide feedback to team members.
• Own the full development cycle: technical design, implementation, testing, deployment, and monitoring in a microservices environment with frequent production deploys.
• Mentor and coach fellow team members while impacting the product and customers.

Requirements

• Hybrid work in Lisbon, Portugal
• 6+ years professional software engineering experience with strong backend focus.
• Excellent knowledge of software design, scalable architecture, and testing methodologies (unit-testing, TDD, mocking).
• Experience with AWS or equivalent cloud platform and relational databases (PostgreSQL, MySQL).
• Ability to work across multiple languages (Python, Go, Kotlin, C#) and adopt AI tools for development.
• Proactive team player, fast learner, independent, with mentoring experience.

Nice to have

• Python, Go, or Kotlin as primary language.
• Background in financial applications, payroll, or HR tech.
• Familiarity with large-scale data processing and storage.

Culture & Benefits

• Competitive compensation, company share options, and health insurance for you and family.
• Flexible hybrid model with work-from-home allowance and prepaid meal card.
• 2 social impact days for volunteering, employee referral program ($2,500 per referral), and fun social events.
• Temporary remote work from anywhere for up to 2 months after 6 months employment.
• Bob balance days (company-wide long weekends quarterly).