.NET Engineer

What is the impact you want to make?

Unleash your biggest strengths, apply skills & knowledge, learn new things, connect with your peers and build your career with us!

Why rinf.tech?

#EngineerOfTheFuture, #PeopleofManyTalents

  • At rinf.tech, you’ll encounter friendly people who are eager to explore and reinvent the world of technology.
  • We encourage ideas - we like to share and learn from each other. We’re all in for curious & ambitious people.

#GrowOpportunities

  • We continuously invest in developing core teams focused on technologies like Blockchain, AI, and IoT -  www.rinf.tech/careers/core-blockchain-and-ai-teams/
  • Our Technical Management team, possesses a robust technical background. Many of our team members have advanced to strategic roles through internal promotions.
  • In a state of mutual willingness to share & grow, our RINFers commit to a minimum tenure of 2.5 years on a project.

#EngineeringExcellence

  • Fail fast, learn fast: we experiment, we iterate, we know when to stop and we don't repeat the same mistakes.
  • The right technology stack for the right problem: we don't force technology choices just because we know them; our focus is on solving problems, not on pushing predefined stacks.

#Innovation

Why do we do what we do?

We inspire one another to share our tech-works in this amazing and abundant world. So we became developers, innovators, thinkers, software builders, and hardware makers!

Our Vision!

Founded in 2006 with 650+ engineers & global presence (8 delivery centers in Europe & North America) we strive to become a leading East-European technology partner for growing organizations in need of digital transformation of their products and services!

What you’ll do

  • Design, estimate, and implement technical solutions for medium to high‑complexity applications
  • Actively participate in all phases of the application development lifecycle, from analysis and design to development, testing, deployment, and support
  • Develop, implement, and maintain custom .NET applications supporting customer‑facing and internal business processes
  • Work on user stories covering new features, technical improvements, refactoring, and bug fixing
  • Design and implement REST APIs and microservices, integrating with internal and external systems
  • Collaborate closely with Product Owners, Customer Journey Experts, Architects, BPM, QA, and DevOps engineers to clarify requirements, processes, architecture, and priorities
  • Write clean, testable, and scalable code, following SOLID principles and engineering best practices
  • Develop and maintain unit tests, contributing to overall test coverage and application stability
  • Use AI‑assisted development tools (e.g. GitHub Copilot) for code generation, refactoring, test creation, and documentation, with full accountability for the final implementation
  • Critically review and validate AI‑generated suggestions before integrating them into production code
  • Recommend and promote industry standards, tools, and practices (Agile, DevOps, CI/CD, security) to ensure well‑engineered software products
  • Participate in code reviews and review the work delivered by other development team members
  • Propose continuous improvements, and proactively identify, escalate, and mitigate risks or issues related to development activities
  • Collaborate closely with DevOps teams on CI/CD pipelines, automated deployments, and monitoring
  • Actively participate in Agile ceremonies (daily stand‑ups, refinements, planning, demos, retrospectives)
  • Occasionally coordinate production releases and deployment activities
  • Provide 3rd line support for production incidents, including investigation, root cause analysis, and permanent fixes
  • Mentor and provide technical guidance to less experienced team members
  • Continuously learn and apply new technologies, practices, and tools relevant to the project and organization
  • Participate in internal and external technical communities, knowledge‑sharing sessions, and events, and actively share experience gained from projects

What you need to be successful

  • University degree in Computer Science or related field (or equivalent practical experience)
  • 3+ years of experience in .NET development
  • Strong knowledge of RESTful APIs, microservices, and SQL databases
  • Experience with cloud platforms (Azure preferred)
  • Solid understanding of OOP, design patterns, and SOLID principles
  • Hands‑on experience with unit testing, TDD, and mocking frameworks
  • Familiarity with CI/CD pipelines and DevSecOps practices
  • Knowledge of application security best practices (OAuth, JWT, secure coding)

What we offer you to be successful

  • Flexible working environment, ability to work remotely or in a hybrid model, depending on your project requirements.
  • Work with worldwide technology leaders - We partner and deliver technology to industry giants like Intel, NXP, Panasonic, Visteon, Carrefour, Windriver, Kardex, METRO Digital, and many others.
  • Priority Plus Medical Subscription @Regina Maria (fully covered by the company)
  • Mental Health Online Resources through the Hilio Wellbeing Platform
  • Flexible benefits worth 1300 RON gross per month - you can choose the ones that suit your preference
  • We have profit shares schemed that enable you to financially benefit from the new business you identify
  • We have premium referral bonus for each successful recommendation you make - (500-1500 EUR NET based on seniority)
  • Enjoy our vibrant offices in Romania's top IT hubs – Bucharest, Timisoara, Cluj, and Iasi, perfect for when you want to grab a coffee with your colleagues.
  • Community – No man is an island, we stay connected through ongoing learning, project rotation, idea incubation, as well as through our Football Team, Townhalls, and Fun Thursday Office Day!

Next Steps for you!

  • Apply
  • CV screening
  • HR Interview
  • Technical Interview
  • Offer presented by our CEO

Meet us!

Let's meet! We invite you to drop by anytime for a tour of our office, without any commitment.

Join the #PeopleofManyTalents #EngineerOfTheFuture