Senior Software Engineer, Backend Jobs

Cresta

Location:
Germany, Berlin

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

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!

Job Responsibility:

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

Requirements:

Proven experience as a Backend Engineer with a focus on database design and system architecture
Strong expertise in ClickHouse or similar columnar databases for managing large-scale, real-time analytical queries
Hands-on experience with Elasticsearch for indexing and searching large datasets
Proficient in backend programming languages such as Python, Go
Experience with RESTful API design and development
Solid understanding of distributed systems, microservices architecture, and cloud infrastructure
Experience with performance tuning, data modeling, and query optimization
Strong problem-solving skills and attention to detail
Excellent communication and teamwork abilities

What we offer:

Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 28 days in Germany

Additional Information:

Job Posted:
December 07, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Software Engineer, Backend