Senior Backend Engineer (Kotlin)

TL;DR

Senior Backend Engineer (Kotlin): Driving technical direction and quality standards for accounting integrations with an accent on building scalable integration foundations and reusable patterns. Focus on improving ways of working, collaborating cross-functionally, and mentoring engineers in a fast-paced scale-up environment.

Location: Remote or hybrid for candidates based in the United Kingdom, Spain, or Portugal.

Salary: £80,000–£85,000 (United Kingdom), €87,000–€93,000 (Spain/Portugal) per year.

Company

hirify.global is a company building spend solutions that make managing money seamless, empowering, and effective for finance teams and employees.

What you will do

• Drive technical direction for integration platform, considering trade-offs and sequencing.
• Define and raise engineering quality standards for integrations, including for external developers.
• Lead initiatives for scalability, reusable patterns, and frameworks, primarily using Kotlin.
• Improve team’s planning, prioritisation, and protection from constant churn.
• Collaborate with cross-functional teams to develop innovative solutions across various domains.
• Participate in code reviews, post-mortems, and provide mentorship to other engineers.

Requirements

• English: B2 required for all communication.
• Senior-level systems thinking, able to operate outside the team and influence stakeholders.
• Expertise in server-side languages, especially Kotlin, and experience with distributed systems, microservices, and cloud environments (e.g., AWS, Kubernetes).
• Proficiency with relational databases like PostgreSQL, testing frameworks (e.g., JUnit, Testcontainers), and observability tools like Grafana.
• Strong problem-solving skills and a collaborative mindset to mentor and upskill teammates.
• Proven ability to lead large projects, manage ambiguity, and maintain high standards for code quality and reliability.

Nice to have

• Expertise in building integrations or working on accounting systems.

Culture & Benefits

• Flexible working options: hybrid and fully remote available.
• hirify.global card for expenses and catered meals or lunch allowance.
• Comprehensive private healthcare (Vitality, Alan, or Médis, depending on your location).
• 25 days of holiday plus public holidays, with an option to purchase 5 additional days.
• Access to free mental health and well-being support via MyndUp.
• Paid parental leave to support families.