Senior Software Engineer

Experteer Overview As a Senior Backend Software Engineer at Mambu, you will build secure, high-performance bank connectivity and payment automation features.You’ll own architectural decisions for complex backend systems and collaborate with cross-functional teams to deliver scalable fintech solutions.You’ll shape the technical direction, mentor peers, and drive security-by-design across public and internal APIs.This role offers impact at scale within a fast-paced, innovative fintech environment.You’ll work on critical, high-stakes production issues and help accelerate product velocity.Compensaciones / Beneficios - Develop bank connectivity and payment automation features with emphasis on security, stability, and performance - Own architectural decisions for complex, high-impact projects and guide technical direction - Collaborate with Product Managers and DevOps engineers to maintain fast, iterative delivery - Apply security-by-design principles to APIs and systems - Solve architectural challenges to reduce complexity while delivering value - Mentor and upskill junior/mid-level engineers through code reviews and pairing - Define and execute the technical roadmap to improve velocity and manage technical debt - Serve as technical reference for critical incidents and production issuesResponsabilidades - 5+ years of professional software engineering experience, with strong Golang expertise - Background in fintech, banking, or payments (SEPA, Swift, Ebics…) - Proven track record designing and owning distributed backend systems in production - Strong relational database and SQL skills, including high-concurrency and transactional integrity - Experience building high-volume SaaS platforms with maintainable and well-documented code - Advanced API design skills with focus on security, versioning, and documentation - Proven ability to mentor engineers and raise engineering standards - Curious, product-oriented mindset with high autonomyRequisitos principales - Competitive base salary - Company equity for all - Learning and development opportunities - Hybrid/Remote working (location dependant) - 60 day working abroad - 4 week paid sabbatical after 5 years service

You’ll work on critical, high-stakes production issues and help accelerate product velocity.Compensaciones / Beneficios - Develop bank connectivity and payment automation features with emphasis on security, stability, and performance - Own architectural decisions for complex, high-impact projects and guide technical direction - Collaborate with Product Managers and DevOps engineers to maintain fast, iterative delivery - Apply security-by-design principles to APIs and systems - Solve architectural challenges to reduce complexity while delivering value - Mentor and upskill junior/mid-level engineers through code reviews and pairing - Define and execute the technical roadmap to improve velocity and manage technical debt - Serve as technical reference for critical incidents and production issuesResponsabilidades - 5+ years of professional software engineering experience, with strong Golang expertise - Background in fintech, banking, or payments (SEPA, Swift, Ebics…) - Proven track record designing and owning distributed backend systems in production - Strong relational database and SQL skills, including high-concurrency and transactional integrity - Experience building high-volume SaaS platforms with maintainable and well-documented code - Advanced API design skills with focus on security, versioning, and documentation - Proven ability to mentor engineers and raise engineering standards - Curious, product-oriented mindset with high autonomyRequisitos principales - Competitive base salary - Company equity for all - Learning and development opportunities - Hybrid/Remote working (location dependant) - 60 day working abroad - 4 week paid sabbatical after 5 years service