Senior .Net Developer with Mobile Development (IOS Swift)

Posted Yesterday
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2 Locations
In-Office or Remote
Senior level
Fintech • Financial Services
The Role
Design, develop, test, and support enterprise applications using C# and .NET while building mobile applications with Swift and Kotlin. Develop REST APIs and microservices, integrate backend and mobile platforms, optimize security and performance, participate in architecture and code reviews, mentor developers, troubleshoot issues, and contribute to Azure, CI/CD, DevOps, and Agile practices.
Summary Generated by Built In

Job Summary

We are looking for a highly skilled Senior .NET Developer with 8+ years of experience in designing, developing, and supporting enterprise applications. The ideal candidate should have strong expertise in Microsoft .NET technologies along with hands-on experience in mobile application development using iOS (Swift). The role involves building scalable backend services and integrating them with mobile applications to deliver seamless user experiences.

Key Responsibilities

  • Design, develop, test, and maintain enterprise-grade applications using .NET technologies.

  • Develop and enhance RESTful APIs and microservices to support web and mobile applications.

  • Build and maintain mobile applications using iOS (Swift)

  • Collaborate with business analysts, product owners, UI/UX designers, and cross-functional teams.

  • Ensure application performance, scalability, security, and reliability.

  • Participate in architecture discussions and technical design reviews.

  • Perform code reviews and mentor junior developers.

  • Troubleshoot, debug, and resolve application issues across backend and mobile platforms.

  • Contribute to CI/CD pipelines and DevOps practices.

  • Follow Agile development methodologies and best coding practices.

Required Skills

Backend Development

  • 8+ years of experience in software development using C# and .NET Framework/.NET Core.

  • Strong experience in ASP.NET MVC, ASP.NET Core, and Web APIs.

  • Experience with Microservices Architecture.

  • Proficiency in SQL Server and database design.

  • Strong understanding of REST APIs, authentication, and authorization mechanisms.

  • Experience with Git-based version control systems.

Mobile Development (Mandatory)

  • Android Development

    • Strong experience in Kotlin.

    • Experience with Android SDK, Jetpack Components, MVVM Architecture, and REST API integration.

Cloud & DevOps

  • Experience with Azure or other cloud platforms.

  • Knowledge of CI/CD pipelines and deployment automation.

  • Familiarity with Docker and containerized deployments is an advantage.

Preferred Skills

  • Experience working with enterprise or customer-facing applications.

  • Understanding of security best practices for web and mobile applications.

  • Knowledge of design patterns and clean architecture principles.

  • Experience with Agile/Scrum methodologies.

  • Exposure to unit testing and automated testing frameworks.

Domain Experience (Good to Have)

  • Banking, Financial Services, FinTech, Insurance, Healthcare, Retail, or E-commerce domain experience.

  • Understanding of secure transaction processing and regulatory compliance requirements.

Experience

  • Experience: 8+ Years

  • Employment Type: Full-Time

  • Location: Open

  • Notice Period: Immediate to 30 Days Preferred
     

Keywords

.NET Core, ASP.NET Core, C#, Web API, Microservices, SQL Server, Azure, Swift, iOS Development, Kotlin, Android Development, REST APIs, CI/CD, Agile, Git, Mobile Application Development.

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT
 

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

Candidate Application Notice

Skills Required

  • 8+ years of software development experience
  • Strong experience with C# and .NET Framework or .NET Core
  • Experience with ASP.NET MVC, ASP.NET Core, and Web APIs
  • Experience with microservices architecture
  • Proficiency in SQL Server and database design
  • Understanding of REST APIs, authentication, and authorization
  • Experience with Git-based version control systems
  • Strong experience with Kotlin
  • Experience with Android SDK, Jetpack Components, MVVM architecture, and REST API integration
  • Experience with iOS mobile application development using Swift
  • Experience with Azure or other cloud platforms
  • Knowledge of CI/CD pipelines and deployment automation
  • Experience with enterprise or customer-facing applications
  • Knowledge of web and mobile application security best practices
  • Knowledge of design patterns and clean architecture principles
  • Experience with Agile/Scrum methodologies
  • Exposure to unit testing and automated testing frameworks
  • Banking, financial services, FinTech, insurance, healthcare, retail, or e-commerce domain experience

Synechron Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Synechron and has not been reviewed or approved by Synechron.

  • Fair & Transparent Compensation Pay is frequently characterized as competitive, particularly relative to large service-consulting peers and in certain in-demand skill areas. Compensation sentiment appears strongest when staffing is stable on strong client engagements and for market-aligned roles in major hubs.
  • Healthcare Strength Healthcare coverage is often portrayed as a strong point in the U.S., with broad coverage and relatively favorable out-of-pocket experiences. Core medical, dental, and vision options are consistently described as meeting or exceeding a baseline expectation for consulting roles.
  • Equity Value & Accessibility Equity was made broadly accessible through a company-wide RSU grant tied to a major revenue milestone. This is positioned as a notable upside even if it is framed as a one-time recognition event rather than an ongoing program.

Synechron Insights

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The Company
HQ: New York, New York
12,827 Employees
Year Founded: 2001

What We Do

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 14,700+, and has 48 offices in 19 countries within key global markets. For more information on the company, please visit our website: www.synechron.com.

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