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C# .Net Developer with React.JS

Synechron
United Statesfull_timeVerifiedPosted 25 Jul 2025
💰 $115,000/yr($105,000/yr$115,000/yr)

About the role

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 14,500+, and has 58 offices in 21 countries within key global markets.

Our challenge

We are seeking a highly skilled and experienced Senior Application Developer to join our dynamic team. The ideal candidate will have extensive expertise in designing, developing, and maintaining scalable applications using C#, .NET, .NET Core, Microservices architecture, and front-end technologies such as React.js. Candidate will be responsible for building robust APIs, implementing RESTful services, and ensuring seamless integration across various platforms.

Additional Information*

The base salary for this position will vary based on geography and other factors. In accordance with law, the base salary for this role if filled within Dallas, TX is $105k - $115k/year & benefits (see below).

The Role

Responsibilities:

  • Develop, enhance, and maintain enterprise-grade applications using C#, .NET, and .NET Core.
  • Architect and implement microservices-based solutions to ensure scalable and maintainable systems.
  • Design and develop RESTful Web APIs for integration with front-end applications and third-party services.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Optimize applications for maximum speed, scalability, and security.
  • Integrate front-end components with back-end services and APIs.
  • Write clean, efficient, and well-documented code adhering to best practices.
  • Conduct code reviews, troubleshoot issues, and provide technical mentorship to junior developers.
  • Utilize tools like Swagger UI for API documentation and testing.
  • Implement responsive UI components using React.js, Bootstrap, and other modern front-end technologies.
  • Work closely with QA teams to ensure high-quality deliverables.

Requirements:

  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • Proven experience as an Application Developer, with a focus on C# and .NET technologies.
  • Strong knowledge of .NET Core and microservices architecture.
  • Experience designing and building RESTful APIs and Web Services.
  • Proficiency in SQL and relational database design.
  • Hands-on experience with React.js, Bootstrap, and modern front-end development.
  • Familiarity with Swagger UI for API documentation.
  • Solid understanding of software development best practices, CI/CD pipelines, and version control systems.
  • Excellent problem-solving skills and ability to work independently and in a team environment.
  • Strong communication skills.

Preferred, but not required:

  • Experience with cloud platforms such as Azure or AWS.
  • Knowledge of containerization technologies like Docker and orchestration tools like Kubernetes.
  • Exposure to Agile/Scrum methodologies.
  • Understanding of security principles and data protection.

We offer:

  • A highly competitive compensation and benefits package.
  • A multinational organization with 58 offices in 21 countries and the possibility to work abroad.
  • 10 days of paid annual leave (plus sick leave and national holidays).
  • Maternity & paternity leave plans.
  • A comprehensive insurance plan including medical, dental, vision, life insurance, and long-/short-term disability (plans vary by reg

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Company

Synechron

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