Hybrid Senior Software Engineer

Posted 7 hours ago

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About the role

  • Backend-focused Software Engineer stabilizing and scaling core systems for fintech startup. Building reliable solutions to real-world problems in the debt management space.

Responsibilities

  • Own backend robustness: Improve and maintain core backend components with a focus on correctness, performance, and long-term maintainability
  • Solve complex business logic: Identify and fix edge cases caused by heterogeneous customer data and evolving requirements
  • Improve database performance: Analyze and optimize slow queries, data access patterns, and schema decisions as data volume increases
  • Build pragmatic solutions: Extend existing systems carefully, choosing simplicity over premature optimization & abstraction
  • Collaborate on operations where it matters: Contribute to infrastructure, CI/CD, observability, and deployment improvements that directly impact backend stability and scalability
  • Work closely with the team: Collaborate with other engineers and product to turn real operational needs into reliable backend behavior

Requirements

  • Strong problem-solving skills
  • 2+ years of experience with Python in production systems
  • 2+ years of experience with Django
  • Hands-on experience with PostgreSQL, including data modeling and query optimization
  • Experience designing and implementing RESTful APIs
  • Proficient with Git and collaborative workflows (feature branches, pull requests, code reviews)
  • Experience writing automated tests to ensure reliability and prevent regressions
  • Ability to make pragmatic technical decisions, avoiding overengineering while maintaining high standards
  • Experience working with AWS ECS and containerized deployments in production environments
  • Clear, collaborative communication in English
  • Nice to have: Prior exposure to financial or data-heavy systems

Benefits

  • Flexible work setup Berlin-based or remote within Europe, with clear expectations around collaboration
  • Feedback as dialogue, not one-way input
  • Real focus on development Regular development talks, documented progress, and concrete next steps to support your growth
  • Early-stage fintech startup Work close to the product, the problems, and the decisions that shape the company

Job title

Senior Software Engineer

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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