NDA FinTech | Backend Engineer

On behalf of NDA FinTech SD Solutions is looking for a talented Backend Engineer.

As a Backend Engineer you will design develop and maintain robust server-side systems that power our financial technology products. You will focus on building scalable secure and high-performance backend services handling critical data processing API development and integration with various systems. Working closely with frontend engineers product managers and other stakeholders you will contribute to delivering reliable solutions that enhance user experience and support key business objectives in a fast-paced fintech environment.

SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer.

Responsibilities:

• Design and implement scalable backend architecture services and APIs for core financial products and features.
  
• Develop high-quality maintainable server-side code with a strong emphasis on performance reliability and security.
  
• Build and maintain RESTful APIs (and potentially GraphQL) to support mobile and web applications.
  
• Manage databases (relational and non-relational) optimize queries and ensure data integrity and consistency.
  
• Integrate with third-party services payment gateways and internal systems while adhering to strict security and compliance standards.
  
• Collaborate with cross-functional teams (frontend product QA DevOps) to translate business requirements into technical solutions.
  
• Participate in code reviews write unit/integration tests and contribute to improving engineering practices.
  
• Monitor system performance troubleshoot production issues and participate in on-call rotations as needed.
  
• Contribute to continuous improvement by refactoring legacy code adopting best practices and staying current with relevant technologies.

Requirements:

• 6 years of professional experience as a Backend Engineer (or similar role) building scalable server-side applications.
  
• Strong proficiency in at least one modern backend language such as Java or Kotlin.
  
• Solid experience with microservices architecture and distributed systems.
  
• Hands-on experience with relational databases (e.g. MySQL PostgreSQL) and non-relational databases (e.g. MongoDB DynamoDB).
  
• Familiarity with message queue / streaming technologies such as Kafka RabbitMQ SQS or similar.
  
• Good understanding of cloud platforms (preferably AWS or similar) including services for compute storage and networking.
  
• Experience building secure high-performance APIs and handling sensitive data (especially valuable in fintech).
  
• Strong problem-solving skills attention to detail and ability to work effectively in a fast-paced collaborative environment.
  
• Excellent communication skills and fluency in English.
  
• . in Computer Science or equivalent practical experience.

Preferred Experience:

• Expertise in Java / Kotlin and the Spring Framework (Spring Boot).
  
• Experience with fintech or payment processing systems compliance requirements (e.g. PCI DSS) or secure transaction handling.
  
• Familiarity with containerization (Docker) and orchestration (Kubernetes).
  
• Knowledge of CI/CD pipelines and infrastructure as code.
  
• Exposure to modern development tools and practices (e.g. Git automated testing observability tools).

About the company:

NDA FinTech builds financial technology for real life. Our technology eases the stress of paying for lifes expenses by giving people more options on how and when they pay. Founded in 2016 NDA FinTech offers a next-generation no-fee credit card that can be managed through a powerful mobile app as well as a point-of-sale payment option available at more than 25000 service locations including auto dealership service centers optical practices dentist offices veterinary clinics and specialty healthcare services

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