Backend Developer

13 hours ago

Bucharest, Bucureşti, Romania SII Group Romania Full time 40,000 - 80,000 per year

Who we are:

Open-minded intellectuals who embrace emerging technologies on our mission to create innovative Software Engineering Solutions that will impact millions of users around the world.

We are looking for:

We are seeking an experienced Backend Developer proficient in .NET C# and AWS cloud technologies to design, develop, and maintain scalable and secure server-side applications and APIs. The ideal candidate will have strong expertise in building cloud-native backend solutions, API development, and working collaboratively within Agile teams. This role involves driving the full backend development lifecycle, optimizing application performance, and integrating services to support evolving business needs.

What you will do:

  • Design, develop, and maintain server-side logic and RESTful API services using .NET (C#).
  • Build scalable, performant cloud-native backend applications leveraging AWS services such as Lambda, S3, DynamoDB, and API Gateway.
  • Optimize application performance and data storage, focusing on reliability and low latency.
  • Collaborate closely with frontend, DevOps, and product teams in an Agile environment.
  • Implement CI/CD pipelines and automate deployments using Infrastructure-as-Code tools.
  • Ensure adherence to security best practices including encryption, authentication, and role-based access control.
  • Maintain code quality through unit tests, code reviews, and documentation.

What you must have:

  • 4+ years of backend development experience with .NET/C#.
  • Strong knowledge of designing APIs, cloud architecture (preferably AWS), and modern database systems (SQL/NoSQL).
  • Experience building and integrating scalable applications in cloud environments.
  • Proficient in English (B2+); excellent collaborative and communication skills.
  • Familiarity with DevOps practices and microservices/container technologies (Docker, Kubernetes) is preferred.

What's in it for you:

  • Extended compensation and benefits package
  • Continuous learning opportunities to enhance your professional and soft skills
  • A great working environment with people who put their heart, mind, and soul into everything they do and understand the importance of team spirit

We really welcome open-minded and committed people:

  • Eager to take on new challenges and learn new things;
  • Who put their heart, mind, and soul into everything they do;
  • Who enjoy sharing knowledge and understand the importance of team spirit.

Note*

SII Romania is proud to be an equal opportunity workplace. We are committed to promoting diversity, equality and inclusion within our workforce and working environment. For this purpose, we encourage all qualified candidates regardless of gender, age, sexual orientation, race ethnicity, beliefs, marital status, disability or other characteristics to send us their applications.

  • Join Now Our Team and Start Engineering Your Future

  • Backend Developer

    1 week ago

    Bucharest, Bucureşti, Romania emagine Full time €20,000 - €40,000 per year

    Work model: fully remote in RomaniaAssignment type: B2B Project length: 6 months + extensions. Project language: English. Industry: Ad Tech industryAbout The RoleWe are looking for aBackend Developerto join our Integration & Backend team. You will build robust, scalable microservices that power our platform, using , , and TypeScript.ResponsibilitiesDevelop...

  • Backend Developer

    2 weeks ago

    Bucharest, Bucureşti, Romania AllCloud Full time 60,000 - 80,000 per year

    About AllCloudAllCloud is a global professional services company that provides organizations with the tools for cloud enablement and transformation. As an AWS Premier Consulting Partner and audited MSP, a Salesforce Platinum Partner, and a Snowflake Premier Partner, AllCloud helps clients connect their front and back offices by building a new operating model...

  • Backend Developer

    1 week ago

    Bucharest, Bucureşti, Romania Integress, Inc. Full time €30,000 - €60,000 per year

    About The PositionAbout AllCloudAllCloud is a global professional services company that provides organizations with the tools for cloud enablement and transformation. As an AWS Premier Consulting Partner and audited MSP, a Salesforce Platinum Partner, and a Snowflake Premier Partner, AllCloud helps clients connect their front and back offices by building a...

  • Senior Backend Developer

    2 weeks ago

    Bucharest, Bucureşti, Romania Qualitest Full time 40,000 - 80,000 per year

    Job description:We are looking for a Senior Backend engineer with expertise in Java development.Responsibilities:Design and development a SaaS cloud-based tool for tracking and managing investigationsImplement rich and extremely strict Rest API for all product and administration operationsPerform technical research and implementation of selected...

  • Senior Backend Developer

    13 hours ago

    Bucharest, Bucureşti, Romania EPAM Systems Full time

    We are seeking aSenior Backend Developerto lead the development and optimization of backend batch processes that support key business functions.You will work extensively with C, Unix shell scripting, and SQL to manage high-volume data flows and enhance the reliability and performance of scheduled operations. Your role involves technical leadership and...

  • Backend Software Developer

    13 hours ago

    Bucharest, Bucureşti, Romania eSolutions Full time €40,000 - €80,000 per year

    Full-time | Remote or Hybrid | Romanian residents only | Long-term collaboration | Employment contract onlyAbout you:You're a seasoned backend software developer with a passion for clean, maintainable code and scalable architectures. You've been working with C# and .NET for at least 4–5 years, and you feel confident designing and developing modern backend...

  • Senior Backend Developer

    2 weeks ago

    Bucharest, Bucureşti, Romania Orion Innovation Full time $90,000 - $120,000 per year

    Orion Innovation is a premier, award-winning, global business and technology services firm. Orion delivers game-changing business transformation and product development rooted in digital strategy, experience design, and engineering, with a unique combination of agility, scale, and maturity. We work with a wide range of clients across many industries...

  • Senior Backend Developer

    13 hours ago

    Bucharest, Bucureşti, Romania Orion Innovation Full time €40,000 - €80,000 per year

    Orion Innovation is a premier, award-winning, global business and technology services firm.  Orion delivers game-changing business transformation and product development rooted in digital strategy, experience design, and engineering, with a unique combination of agility, scale, and maturity.  We work with a wide range of clients across many industries...

  • Senior Backend Developer

    1 week ago

    Bucharest, Bucureşti, Romania Danfoss Full time €80,000 - €120,000 per year

    Job DescriptionDanfoss Group IT is seeking aSenior Backend Developerto join our global Digital Customer Experience team. With over 125 international colleagues, we drive digital innovation to enhance customer interactions across Danfoss. If you're passionate about building scalable systems, solving complex challenges, and leveraging cutting-edge technology,...

  • Backend Developer

    6 days ago

    Bucharest, Bucureşti, Romania AD01 Full time €30,000 - €60,000 per year

    We're AD/01, the tech studio that builds the future of food retail. Whether it's in-store aisles, online baskets, or behind-the-scenes operations, we innovate the daily food experiences for farmers and families, grandmas and greengrocers, and pickers and packers alike.We're part of the Ahold Delhaize network, one of the world's largest global food retail...