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Senior .NET Developer with Scala, Medical Platform

  • Belgrade
  • Cluj-Napoca
  • Krakow
  • Larnaca
  • Lodz
  • Lublin
  • Monterrey
  • Montevideo
  • Remote.Argentina
  • Remote.Brazil
  • Remote.Bulgaria
  • Remote.Colombia
  • Remote.Georgia
  • Remote.Poland
  • Riga
  • Rosario
  • Sofia
  • Tbilisi
  • Varna
  • Warsaw
  • Wroclaw
  • Yerevan
Big team (20+ people)

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Client

Our client is one of the leading healthcare technology platforms in the United States, helping millions of patients connect with healthcare providers and book appointments online.
More than 40% of U.S. residents use the platform across 2,000+ cities, with over 10 million appointments booked every month.

Join a great company, not merely an individual project

Team

The team is focused on modernizing and evolving critical backend systems that power the platform at scale. This role is primarily backend-oriented, with a strong emphasis on understanding and reverse-engineering existing Scala services while designing and building new solutions in .NET.

Position overview

We are looking for a Senior .NET Developer with strong backend expertise and experience with React to support the modernization of a high-traffic healthcare platform. You will focus on understanding existing Scala-based services and translating their logic into scalable and maintainable .NET solutions. You will contribute to system design, backend development, and technical decision-making while working closely with distributed teams. Engineers are expected to leverage Claude as part of their daily workflow to accelerate code analysis, system understanding, development, and technical problem solving.

This position requires maintaining at least a 3-hour overlap with Eastern Standard Time (EST).

Responsibilities

  • Develop, review, and maintain high-quality backend services and APIs
  • Analyze, understand, and reverse-engineer existing Scala services and business logic to support platform modernization initiatives
  • Collaborate remotely with product managers, engineers, and other stakeholders to align on requirements and technical solutions
  • Create technical specifications and translate business requirements into executable development tasks
  • Design and implement scalable, reliable, and maintainable backend solutions
  • Design and implement automated end-to-end tests
  • Monitor application performance, reliability, and operational health using observability and monitoring tools
  • Prioritize, manage, and deliver work independently in a distributed team environment

Requirements

  • Strong backend engineering experience with the ability to read, understand, and reverse-engineer existing Scala codebases using Claude as part of the engineering workflow
  • Strong proficiency in C# / .NET
  • Hands-on experience with AWS services such as Lambda, SQS/SNS, DynamoDB, and CloudFormation
  • Solid understanding of CI/CD pipelines, automated testing strategies, and version control systems
  • Experience working in distributed, cross-functional teams
  • Strong analytical and problem-solving skills
  • Fluent English for daily communication in a distributed environment

Nice to have

  • Experience working with Scala in production environments
  • Experience with React and JavaScript in modern web applications
  • Experience modernizing or migrating legacy systems
  • Experience with microservices and distributed architectures
  • Experience building highly scalable systems
  • Experience in the healthcare domain

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We offer

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Vacation

As per the laws of your country. We do ask you to take a proper rest

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Health insurance

We help you to take out an insurance policy for you and your loved ones

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Sick pay

10 days without a doctor's note, afterwards - as per the laws of your country

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Time off for state holidays

According to the official calendar, regardless of the client’s schedule

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Pleasant environment

Two large corporate parties and many small get-togethers for colleagues

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Comfort service

Solving technical and everyday problems at work

The benefits package may vary depending on the region and the type of contract
Most wanted
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FAQ for Candidates

Work on global projects, grow your career in a supportive, flexible, and innovative tech environment. We help cover the cost of IT certifications and provide access to top-tier courses and learning platforms. View current openings and take the next step with us.

DataArt is a global software engineering company that helps businesses build powerful data, analytics, and AI solutions. We work with clients across a range of industries — including Finance, Healthcare & Life Sciences, Consumer Goods & Retail, Travel, Media & Entertainment, Mobility, and Manufacturing.

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DataArt supports flexible work formats to help you find the balance that works best for you. You can choose to work from the office, go hybrid, or stay fully remote—each option comes with equal opportunities for growth. We’ll help set you up with secure access and the equipment you need. With 46 remote and onsite official locations, you can join us from almost anywhere in the world.

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At DataArt, we put people first—fostering a culture built on trust, flexibility, and professional growth. We believe in open communication, mutual respect, and the freedom to choose how and where you work. Diversity, equity, and inclusion are core to our values, and we actively support a workplace where everyone can thrive. From mental health support to global sustainability efforts, we aim to create a healthy, empowering environment for all.

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There's no one-size-fits-all career path at DataArt—your growth is yours to shape. Whether you want to deepen your technical skills, move into management or sales, or even switch professions entirely, you'll have the support to do it. With exam fees fully covered, you can also earn professional certifications, like AWS, Azure, or Google Cloud. With tools like the Professional Development Map, the Talent Lab, and access to expert mentoring, we help you build your desired career.

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DataArt offers competitive compensation along with a range of thoughtful benefits that support your well-being, growth, and daily comfort. You’ll get flexible vacation and sick leave, mental health programs, and access to a corporate laptop or BYOD option. We also offer bonuses for referrals, parental leave, and smooth exit and return-to-work options.

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At DataArt, we focus on creating an environment where people want to stay and grow. With 95% of employees recommending us to a friend on Glassdoor and a 100% CEO approval rating, we’re proud of the trust we’ve built. From mentoring programs and professional development services to support and conflict resolution programs, we invest in our colleagues' growth and wellbeing—because when people feel valued, they stick around.

Learn more about our company >here.

Our interview process is designed to be thorough, transparent, and supportive. It starts with a CV review, followed by an HR interview to discuss your background and goals. You'll then go through communication and technical assessments, where we evaluate your English skills and knowledge of relevant technologies. If all goes well, you’ll meet someone from the project team to learn more about the work, and we’ll guide you every step of the way—including helping you prep for any client interviews.

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DataArt looks for candidates with strong technical skills, analytical thinking, and a commitment to continuous learning. We value experience in relevant technologies and industries, adaptability, and excellent communication skills. If you’re a junior or just starting out, don’t worry—our mentorship programs and training will support your growth from day one. The most important thing is your willingness to learn and develop professionally in our collaborative, people-first environment.

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