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  • Forteil GmbH - bonify

    Berlin

    • About us

    Join bonify, Germany’s leading platform for credit scoring and financial management. We are on the mission to revolutionize the FinTech industry and make the credit score and financial data available and transparent for our users. We are seeking a talented Sr. Staff Engineer — Backend (AWS Platform) to join our dynamic team in Berlin.

    We are hiring a Staff / Senior Staff Backend Engineer to lead the transformation of our AWS-based backend platform, built primarily with TypeScript Lambda functions. This role goes beyond feature delivery: you will reshape architecture, improve system reliability, and define how backend services evolve over the next phase of growth.

    You will act as a force multiplier across teams, setting technical direction while staying hands-on where leverage is highest.

    While this is a backend role, we value engineers with an end-to-end mindset. We expect strong partnership across the stack and departments to deliver high-quality, reliable outcomes.

    Your tasks

    • Lead backend modernization and platform improvements
    • Drive best practices across TypeScript, AWS, and event-driven architecture
    • Improve reliability, observability, and operational excellence
    • Partner closely with product, design, frontend, and infrastructure
    • Make pragmatic refactor vs rebuild decisions and mentor senior engineers

    Requirements

    • 8+ years of engineering experience (or equivalent impact)
    • Deep AWS experience (Lambda, IAM, API Gateway, event-driven systems)
    • Proven system-level transformation experience in production
    • Strong distributed systems fundamentals
    • Experience with SQL/NoSQL and Infrastructure-as-Code (CDK/Terraform)
    • Comfort working beyond one stack (e.g., Spring Boot / containers) and proposing alternatives when they’re the better tool
    • Frontend familiarity is a plus — able to collaborate across the stack and debug end-to-end flows when needed If you enjoy shaping frontend platforms, improving performance and reliability at scale, and raising the bar across teams — we’d love to talk.

    What we offer

    As part of the bonify team, you'll have:

    • The opportunity to take ownership from day one
    • The chance to thrive in a dynamic and flexible startup environment.
    • Access to extensive coaching and training programs through our personal development budget
    • 30 vacation days
    • Mental health support platform
    • Subsidies for BVG and UrbanSportsClub
    • 1:1 language classes in both German and English.

    The Company is committed to the principle that no employee or job applicant shall receive unfavourable treatment on grounds of age, disability, gender reassignment, race, religion or belief, sex, sexual orientation, marriage or civil partnership, pregnancy, and maternity.

    Please note, to be compliant with AML requirements, due to the specifics of fintech industries additional background checks are required (applicable only at the offer stage).

    If you're ready to make a meaningful impact in the world of FinTech and embark on an exciting career journey, apply now to join bonify!

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