Senior Software Engineer - C# / Java

New
T
ThreecoltsEcommerce software
Location: EuropeContractSenior
Salary140,000 USD per year
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Job Details

Experience
5–8+ years of professional software engineering experience
Required Skills
AWSSQLGitJavaC#RESTful APIsData modeling

Requirements

  • Have 5–8+ years of professional software engineering experience.
  • Demonstrate strong proficiency in C# and Java.
  • Have experience building and maintaining backend services, APIs, and scalable application components.
  • Understand REST APIs, system design, and scalable application patterns.
  • Have experience with SQL databases and data modelling.
  • Be familiar with cloud infrastructure, ideally AWS.
  • Be able to debug production systems and resolve issues independently.
  • Be comfortable working with Git, code reviews, and team-based development.
  • Be able to work in an existing codebase and improve quality without over-engineering.
  • Be willing to work on a contractor / self employed basis.

Responsibilities

  • Own features across Inventory Lab’s C# and Java-based systems from initial design through production.
  • Design and build clean, scalable services, APIs, and application components.
  • Ensure components are maintainable, well-tested, and performant.
  • Make technical decisions within a defined scope, balancing delivery speed with long-term quality.
  • Debug production issues, identify root causes, and implement durable fixes.
  • Contribute to technical discussions and evolve architecture within the domain.
  • Review code and collaborate with Product, QA, and DevOps on features and improvements.
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140,000 USD per year
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