Senior React & .NET Developer – Payments & Microservices

Synechron is seeking a detail-oriented and technically proficient Associate Payment Developer to support the development and enhancement of payment systems. In this role, you will work with innovative front-end and back-end technologies to build scalable, secure, and reliable payment solutions. Collaborating with cross-functional teams, you will help deliver seamless payment experiences aligning with organizational goals and industry standards, ensuring operational excellence and compliance within the payments domain.

Must Have

• Design, develop, and implement payment processing modules and services using React, C#, and .NET technologies.
• Collaborate with product owners, UI/UX designers, and backend teams to define technical specifications under Agile methodologies.
• Create responsive, high-performance user interfaces using React and TypeScript.
• Develop and consume RESTful APIs, microservices, and integrate third-party payment APIs.
• Implement asynchronous messaging solutions for reliable, event-driven communication.
• Ensure applications are secure, scalable, and follow best practices around performance and maintainability.
• Conduct code reviews, write unit and integration tests, and support continuous integration and deployment efforts.
• At least 5 years of experience in software development with a focus on React, C#, and API integration.
• Proven experience designing secure, scalable, and maintainable microservices architecture.
• Bachelor’s degree or higher in Computer Science, Software Engineering, or related field.

Good to Have

• Server-Side Rendering with Node.js (Next.js, Remix)
• Frameworks like Next.js and Tailwind CSS
• Azure services, particularly Cosmos DB integration
• Containerization with Docker/Kubernetes
• Node.js
• JavaScript
• NoSQL databases (Azure Cosmos DB, MongoDB)
• React Router
• Kafka

Job Summary

Synechron is seeking a detail-oriented and technically proficient Associate Payment Developer to support the development and enhancement of payment systems. In this role, you will work with innovative front-end and back-end technologies to build scalable, secure, and reliable payment solutions. Collaborating with cross-functional teams, you will help deliver seamless payment experiences aligning with organizational goals and industry standards, ensuring operational excellence and compliance within the payments domain.

Software Requirements

Required Software Skills:

• React.js (v17+) or later
• TypeScript (latest stable versions)
• C# (latest versions) with experience in .NET/ASP.NET Core
• REST API development and integration
• Git version control
• Familiarity with CI/CD pipelines (Jenkins, Azure DevOps, GitLab CI)
• Understanding of microservice architecture
• Knowledge of message queues and event buses (e.g., RabbitMQ, Azure Service Bus)

Preferred Software Skills:

• Server-Side Rendering with Node.js (Next.js, Remix) a plus
• Frameworks like Next.js and Tailwind CSS
• Azure services, particularly Cosmos DB integration
• Containerization with Docker/Kubernetes

Overall Responsibilities

• Design, develop, and implement payment processing modules and services using React, C#, and .NET technologies.
• Collaborate with product owners, UI/UX designers, and backend teams to define technical specifications under Agile methodologies.
• Create responsive, high-performance user interfaces using React and TypeScript.
• Develop and consume RESTful APIs, microservices, and integrate third-party payment APIs.
• Implement asynchronous messaging solutions for reliable, event-driven communication.
• Ensure applications are secure, scalable, and follow best practices around performance and maintainability.
• Conduct code reviews, write unit and integration tests, and support continuous integration and deployment efforts.
• Stay abreast of emerging technologies in payments and software development to recommend enhancements.

Performance Outcomes:

• Stable, efficient, and scalable payment solutions that meet technical and business requirements.
• Reduced bugs and deployment issues through rigorous testing and code quality standards.
• Timely delivery of features within sprint cycles, with effective collaboration across teams.
• Continuous improvement driven by industry best practices and innovation.

Technical Skills (By Category)

Programming Languages

• Required: React.js, TypeScript, C# (.NET/ASP.NET Core)
• Preferred: Node.js, JavaScript

Databases / Data Management

• SQL databases (MySQL, PostgreSQL)
• NoSQL databases (Azure Cosmos DB, MongoDB) (preferred)

Cloud Technologies

• Azure cloud platform, particularly Cosmos DB and related services (preferred)

Frameworks & Libraries

• React.js, React Router, Tailwind CSS (preferred)
• Next.js, Remix (preferred)

Development Tools & Methodologies

• Git, Jenkins, Azure DevOps, Maven/Gradle
• Agile methodologies (Scrum/Kanban)
• Testing: Unit testing (Jest, NUnit), Integration testing, End-to-end (Selenium, Cypress)

Security & Messaging

• REST API security best practices (OAuth2, JWT)
• Message Queues: RabbitMQ, Azure Service Bus, Kafka (preferred)

Experience Requirements

• At least 5 years of experience in software development with a focus on React, C#, and API integration.
• Extensive experience developing payment or financial transaction systems is preferred.
• Proven experience designing secure, scalable, and maintainable microservices architecture.
• Familiarity with cloud deployment and serverless solutions, especially Azure, is highly desirable.
• Alternative pathways: Candidates with extensive experience in financial technologies or large-scale enterprise systems may also qualify.

Day-to-Day Activities

• Build and enhance payment processing features across client applications and platforms.
• Collaborate with cross-functional teams to define technical specifications and deliverables.
• Develop UI components in React with TypeScript, ensuring responsive design and cross-browser compatibility.
• Integrate back-end APIs, message queues, and third-party payment services.
• Conduct unit, integration, and end-to-end testing; participate in code reviews.
• Troubleshoot technical issues, optimize performance, and ensure security standards are maintained.
• Participate in sprint planning, daily stand-ups, and retrospective meetings to ensure seamless delivery.
• Continually research industry trends, emerging technologies, and new frameworks relevant to payments.

Qualifications

• Bachelor’s degree or higher in Computer Science, Software Engineering, or related field (or equivalent industry experience).
• Relevant certifications related to JavaScript frameworks, C#/.NET, or cloud platforms are a plus.
• Demonstrable experience with modern front-end and back-end frameworks, especially in the payments or finance sector.
• Familiarity with regulatory standards and compliance in payments is advantageous.
• Commitment to ongoing learning, innovation, and best practices in software development.

Professional Competencies

• Critical thinking and strong analytical problem-solving skills.
• Effective communication skills to articulate complex technical concepts to stakeholders.
• Leadership and collaboration skills in agile team environments.
• Adaptability and eagerness to learn new technologies and industry trends.
• Ability to manage multiple priorities and deliver results within deadlines.

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

About Us

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.

For more information on the company, please visit our website

or LinkedIn

community.

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Sustainability and Health Safety Commitment

At Synechron, we are committed to integrating sustainability into our business strategy, ensuring responsible growth while minimizing environmental impact. Employees play a key role in driving our sustainability initiatives, from reducing our carbon footprint to fostering ethical and sustainable business practices across global operations. All positions are required to adhere to our Sustainability and Health Safety standards, demonstrating a commitment to environmental stewardship, workplace safety, and sustainable practices.

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