Senior .NET Full Stack Developer (React + AWS)

Synechron is seeking a Senior .NET Full Stack Developer with expertise in React and AWS to lead the development of scalable, high-performance web applications. The ideal candidate will excel in designing seamless front-end experiences and robust back-end services, leveraging cloud-native patterns and modern DevOps practices. This role plays a critical part in delivering innovative, customer-centric solutions that support our organization’s digital transformation and operational goals.

Must Have

• Extensive hands-on experience developing web applications using React or Angular.
• Proficiency in JavaScript/TypeScript, Redux or Context API, responsive design.
• Expertise in back-end development using .NET Core (C#) and designing secure, scalable RESTful/GraphQL APIs.
• Proven ability to build and optimize SQL and NoSQL databases.
• Experience with cloud-native architectures, particularly AWS services (EC2, Lambda, S3, ECS, CloudFormation).
• Strong understanding of microservices, event-driven architectures, and containerization (Docker).
• Familiarity with CI/CD pipelines such as GitHub Actions, Jenkins, or Azure DevOps.
• Lead full-stack development of enterprise-scale web applications.
• Collaborate with cross-functional teams.
• Design and implement responsive, accessible user interfaces.
• Develop and optimize back-end services leveraging .NET Core.
• Manage and enhance CI/CD pipelines.
• Troubleshoot performance bottlenecks, bugs, and security issues.
• Ensure adherence to quality standards and best practices.
• 7 to 10 years of full-stack development experience.
• Bachelor’s degree in Computer Science, Engineering, or a related field.

Good to Have

• Experience implementing infrastructure-as-code (Terraform, CloudFormation).
• Exposure to DevSecOps practices and security best practices in cloud environments.
• Knowledge of other automation tools or scripting languages such as Python or PowerShell.
• UI component libraries or design systems (Material UI, Bootstrap).
• Event-driven patterns, serverless computing (AWS Lambda).
• Data modeling, performance tuning, ORM frameworks (Entity Framework, Dapper).
• Monitoring and logging (CloudWatch, DataDog).
• Experience in financial services or highly regulated industries.
• Relevant certifications (AWS Certified Solutions Architect, Microsoft MVP).

Job Summary

Synechron is seeking an experienced Senior .NET Full Stack Developer with expertise in React and AWS to lead the development of scalable, high-performance web applications. The ideal candidate will excel in designing seamless front-end experiences and robust back-end services, leveraging cloud-native patterns and modern DevOps practices. This role plays a critical part in delivering innovative, customer-centric solutions that support our organization’s digital transformation and operational goals.

Software Requirements

Required Skills:

• Extensive hands-on experience developing web applications using React (preferred) or Angular, with proficiency in JavaScript/TypeScript, Redux or Context API, responsive design, and automated testing frameworks (e.g., Jest, Cypress)
• Deep expertise in back-end development using .NET Core (C#), including designing secure, scalable RESTful and/or GraphQL APIs
• Proven ability to build and optimize SQL and NoSQL databases, including performance tuning and data modeling
• Experience working on cloud-native architectures, particularly with AWS services (EC2, Lambda, S3, ECS, CloudFormation, etc.)
• Strong understanding of microservices, event-driven architectures, and containerization (Docker)
• Familiarity with CI/CD pipelines such as GitHub Actions, Jenkins, or Azure DevOps

Preferred Skills:

• Experience implementing infrastructure-as-code (Terraform, CloudFormation) and monitoring solutions (CloudWatch, DataDog)
• Exposure to DevSecOps practices and security best practices in cloud environments
• Knowledge of other automation tools or scripting languages such as Python or PowerShell

Overall Responsibilities

• Lead the full-stack development of enterprise-scale web applications, integrating modern front-end frameworks with scalable, secure back-end services
• Collaborate with cross-functional teams—including product, design, quality, and operations—to deliver customer-centric features from concept through production
• Design and implement responsive, accessible user interfaces with React/Angular, ensuring high usability and performance
• Develop and optimize back-end services leveraging .NET Core, ensuring secure, performant APIs and data workflows
• Manage and enhance CI/CD pipelines for automated testing, deployment, and infrastructure provisioning
• Troubleshoot performance bottlenecks, bugs, and security issues across the stack
• Stay updated with emerging technologies and continuously propose improvements to system architecture and development practices
• Collaborate with DevOps teams to implement cloud-native patterns, infrastructure-as-code, and monitoring strategies
• Ensure adherence to quality standards and best practices through comprehensive testing and code reviews

Technical Skills (By Category)

Programming Languages:

• Essential: C# (.NET Core), JavaScript/TypeScript
• Preferred: Python, PowerShell for scripting tasks

Front-end Frameworks & Libraries:

• Essential: React (preferred), Angular; experience with Redux or Context API, responsive design, automated testing frameworks (Jest, Cypress)
• Preferred: UI component libraries or design systems (Material UI, Bootstrap)

Back-end Development & APIs:

• Essential: RESTful API design, GraphQL, microservices architecture, secure coding practices
• Preferred: Event-driven patterns, serverless computing (AWS Lambda)

Databases & Data Management:

• Essential: SQL Server, NoSQL databases (DynamoDB, MongoDB)
• Preferred: Data modeling, performance tuning, ORM frameworks (Entity Framework, Dapper)

Cloud & DevOps:

• Essential: AWS services (EC2, S3, ECS, Lambda, CloudFormation), containerization (Docker), CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps)
• Preferred: Infrastructure-as-code (Terraform), monitoring and logging (CloudWatch, DataDog)

Experience Requirements

• 7 to 10 years of full-stack development experience in enterprise environments
• Proven track record building large-scale web solutions with React and .NET Core
• Experience working with cloud-native architectures on AWS or similar platforms
• Demonstrated ability to lead projects from planning to deployment in Agile teams
• Strong background in DevOps, CI/CD, and infrastructure automation
• Experience in financial services or highly regulated industries is a plus
• Experience with modern testing approaches (unit, integration, E2E) and performance optimization

Day-to-Day Activities

• Lead the development and enhancement of enterprise web applications, ensuring adherence to architecture best practices
• Write clean, maintainable, and efficient code for both front-end and back-end components
• Conduct code reviews and mentor junior developers to improve team skills and code quality
• Collaborate with product owners, designers, and QA to develop user stories, acceptance criteria, and testing strategies
• Integrate APIs, perform performance tuning, and troubleshoot issues across the stack
• Manage CI/CD pipelines, infrastructure-as-code, and deployment automation
• Monitor system health and performance, utilizing cloud monitoring tools to optimize applications
• Stay current with new technology trends to incorporate innovative solutions into projects

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field; advanced degrees preferred
• Relevant certifications such as AWS Certified Solutions Architect or Microsoft MVP are advantageous
• Proven experience in developing, deploying, and maintaining full-stack enterprise applications in a cloud environment

Professional Competencies

• Strong problem-solving and analytical thinking skills
• Excellent communication and collaboration abilities
• Leadership qualities with the ability to influence and mentor team members
• Adaptability to changing project priorities and technologies
• A detail-oriented, disciplined work ethic and sense of ownership
• Continuous learner committed to staying current with industry best practices

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.