Senior Software Engineer

We are looking for a highly skilled and experienced .NET Developer with a strong background in Microservices architecture, AWS cloud services, and hands-on experience in Payment systems (e.g., card processing, wallets, gateways, PSPs). The ideal candidate will play a critical role in designing, developing, and deploying scalable and secure microservices-based applications for our payment platform.

Key Responsibilities:

• Design, develop, and maintain .NET Core-based microservices in a high-availability environment.
• Collaborate with product managers, architects, and DevOps engineers to implement cloud-native solutions on AWS.
• Integrate and maintain payment gateways (Stripe, Adyen, PayPal, Visa/Mastercard, etc.) and ensure PCI compliance.
• Write clean, scalable, and secure code following best practices (TDD, SOLID principles, etc.).
• Work closely with the QA and DevOps teams for CI/CD integration, automated testing, and deployment.
• Monitor, troubleshoot, and optimize microservices performance using AWS CloudWatch, X-Ray, or similar tools.
• Participate in code reviews and provide technical guidance to team members.
• Document APIs, services, and architecture using Swagger/OpenAPI and Confluence.

Required Skills & Qualifications:

• 5+ years of experience in .NET development, with at least 2+ years in .NET Core / .NET 6/7.
• Proven experience in building microservices architecture (REST APIs, asynchronous messaging, service discovery).
• Hands-on experience with AWS services (e.g., ECS, Lambda, API Gateway, SQS/SNS, DynamoDB, RDS, CloudFormation).
• Strong experience in integrating payment systems (e.g., Visa, Mastercard, ACH, wallets, PSPs).
• Deep understanding of security in payments: tokenization, PCI-DSS, encryption, fraud detection.
• Familiarity with containerization tools like Docker and orchestration with Kubernetes or AWS ECS/EKS.
• Experience with SQL and NoSQL databases (e.g., SQL Server, PostgreSQL, DynamoDB, MongoDB).
• Proficiency in Git, CI/CD pipelines, and Agile methodologies (Scrum/Kanban).

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.

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