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Senior Backend Engineer
Location
Berlin, Germany
Work type
Onsite
Employment
Full Time
Experience
5-8 years
Compensation
Compensation not disclosed
Posted
7h ago
Summary and responsibilities
Role overview
Summary
The Senior Backend Engineer will design, build, and operate production-grade backend services and APIs primarily using Go. This role involves building event-driven workflows and distributed systems, modernizing existing services, and improving reliability through observability and incident response. Collaboration with various teams to translate complex requirements into practical, scalable solutions is a key aspect of the position.
What you’ll do:
Design, build, and operate production-grade backend services, APIs, and integrations, primarily using Go.
Build event-driven workflows and distributed systems using technologies such as Kafka and asynchronous processing.
Define clear service boundaries, data models, schemas, and API contracts that other teams can use confidently.
Build capabilities supporting merchant acquisition, identity, marketing technology, operations, risk, and compliance.
Own technical work end to end, from discovery and system design through implementation, testing, deployment, and production follow-up.
Modernise existing services and improve reliability through observability, security, failure handling, and incident response.
Collaborate with Product, Data, Operations, Compliance, Risk, Sales, Marketing, and other engineering teams to turn complex requirements into practical solutions.
Review code and designs, make pragmatic technical trade-offs, share knowledge, and mentor engineers around you.
You’ll be great for this role if you:
Bring a strong backend engineering background in Go, or are a typed-language generalist ready to ramp up quickly.
Have designed APIs and distributed systems with clear contracts, versioning, and integration patterns.
Are fluent in relational and analytical databases (PostgreSQL, Snowflake) and comfortable making the right choice for the right use case.
Have built Kafka-based, event-driven systems and understand event sourcing and CDC patterns.
Have experience in auditable, high-trust systems where every decision must be traceable fintech, payments, or similar domains.
Have experience with testing, observability, and incident response practices and treat them as first-class concerns, not afterthoughts.
Take ownership of ambiguous problems and turn them into clear, scalable, and maintainable solutions.
Communicate clearly, collaborate effectively, and explain technical concepts and trade-offs to different audiences.
Value pragmatic engineering, continuous improvement, mentoring, and reliable production operations.
Updated 7h ago
Candidate fit
Skills and qualifications
Additional skills
Experience
5-8 years
How this role is positioned
Role classification
Job domains
Industries
Employment
Full Time
Contract duration
Permanent
Hiring type
Direct
Global hiring
Location specific
Offer details
Compensation and benefits
Compensation
Compensation not disclosed
Benefits and perks
Location, schedule, and role shape
Work setup
Work conditions
Bandwidth profile
Context on the employer
Company snapshot
Company
SumUp
Team size
Growing team
Location
Berlin, Germany
At SumUp, we're on a mission to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 36 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships. Our commitment to small businesses is reflected in our diverse team of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our core values lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster inclusivity and a continuous learning culture, providing a safe space for personal and professional growth.
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Senior Backend Engineer
Berlin, Germany • Full Time