Posted 9 days ago
Mid-Senior Backend Engineer (.NET)
AthensOn-siteFull-time
AI Summary
Mid-Senior Backend Engineer (.NET) responsible for developing and maintaining enterprise backend applications, REST APIs, and integrations using C# and .NET, while collaborating with engineers, analysts, and QA teams.
About this role
We are looking for a motivated and experienced Mid-Senior Backend Engineer (.NET) to join a core application development team, with a primary focus on backend development while also contributing to front-end development when needed.
In this role, you will work with C#, .NET Framework, and .NET Core, developing and maintaining enterprise applications, APIs, and integrations while collaborating closely with engineers, Functional Analysts, and QA teams.
Key Responsibilities
- Develop and maintain backend applications using C#, .NET Framework, and .NET Core
- Design and implement REST APIs and integration services with external systems
- Collaborate with engineers and Functional Analysts to analyze requirements and translate them into technical solutions
- Develop clean, maintainable, and reliable application code
- Participate in code reviews, unit testing, and QA processes
- Troubleshoot issues and support bug fixing
- Optimize and improve existing application code
- Work with relational databases and data-driven applications
- Contribute to front-end development activities when required
- Collaborate effectively with development, QA, and business teams throughout the development lifecycle
Requirements
- University degree in Computer Science, Engineering, or a related field
- 3+ years of professional software development experience
- Strong hands-on experience with C#, .NET Framework, and .NET Core
- Good knowledge of designing and consuming REST APIs
- Experience with relational databases, preferably SQL Server or equivalent
- Basic knowledge of front-end technologies
- Experience with collaboration and development tools such as Jira and Azure DevOps
- Experience with code reviews, unit testing, and software quality practices
- Ability to analyze requirements and translate them into effective technical solutions
- Ability to work collaboratively within a development team and meet defined timelines
- Strong analytical and problem-solving skills
- Previous experience in a banking or fintech environment
You will be a great candidate for us if you
- Have a strong backend development mindset and enjoy working with the .NET ecosystem
- Write clean, maintainable, and reliable code
- Are comfortable working with APIs, databases, and enterprise integrations
- Can contribute across the development lifecycle, from requirements through implementation and testing
- Enjoy collaborating with both technical and functional teams
- Take ownership of development tasks and proactively solve technical challenges
Benefits
Why join inventYOU
- Work on challenging enterprise software development projects
- Develop modern backend solutions using C# and .NET technologies
- Gain exposure to complex APIs, integrations, and financial technology environments
- Collaborate with experienced engineering, QA, and business professionals
- Continue developing your technical expertise through modern and challenging projects
Skills
Azure DevOpsBanking/fintech SystemsC#Code ReviewsFront-end TechnologiesJira.NET Core.NET FrameworkRelational DatabasesREST APISQL ServerUnit Testing
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Market data for backend engineer roles
All reports →- Role reportBackend engineer jobs, Sep 2026: new listings up 22.7% in a weekBackend engineer new listings rose 22.7% this week to 481, with 4,949 active roles. Senior positions make up over half. Apply early to new openings.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.