C
Cresta
Senior Backend Software Engineer
Skills
PythonGolangMicroservicesPostgreSQLMachine LearningElasticsearch
2 months ago
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Important information
Contract type:
Permanent
Location:
Berlin, Germany
Work mode:
Onsite
Published on:
29 August 2026
What they need
- As a Senior full-stack engineer, with a backend focus, you will be at the forefront of shaping the future of customer engagement
- As we work towards our vision, you’ll be instrumental in delivering timely, actionable insights that drive business growth from day one
- We’re building a state-of-the-art Customer Data Platform, visualizing relevant insights for businesses post-onboarding and guiding customer engagement across all touch-points
- Be part of the team that’s redefining the way businesses connect with their customers
- Design, implement, and maintain backend services and APIs to support applications
- Build and optimize data storage solutions using Postgres, ClickHouse and Elasticsearch to ensure high performance and scalability
- Collaborate with cross-functional teams, including frontend engineers, data scientists, and machine learning engineers, to deliver end-to-end solutions
- Monitor and troubleshoot performance issues in distributed systems and databases
- Write clean, maintainable, and efficient code following best practices for backend development
- Participate in code reviews, testing, and continuous integration efforts
- Ensure security, scalability, and reliability of backend services
- Analyze and improve system architecture, focusing on performance bottlenecks, scaling, and security
Benefits
- Weekly lunch & learn
- Work with an A+ team of ex-Founders, world leading scientists, and nationally competitive athletes
- Mentorship - A world class mentorship board advises and mentors our team-members to capture the opportunity ahead of us- Hands-on experience with Elasticsearch for indexing and searching large datasets
- Strong problem-solving skills and attention to detail
- Proficient in backend programming languages such as Python, Go
- Solid understanding of distributed systems, microservices architecture, and cloud infrastructure
- Proven experience as a Backend Engineer with a focus on database design and system architecture
- Experience with RESTful API design and development
- Strong expertise in ClickHouse or similar columnar databases for managing large-scale, real-time analytical queries
- Experience with performance tuning, data modeling, and query optimization
- Excellent communication and teamwork abilities
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