FinTech Client #3 | Backend Engineer

On behalf of FinTech Client #3 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.
• 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:

• 10 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.
  
• Experience in domain ownership - a must.
• Hands-on experience with relational databases (e.g. MySQL PostgreSQL) and non-relational databases (e.g. MongoDB DynamoDB).
  
• Experience with AI tools and a strong interest in continuously exploring and applying them in everyday work are highly valued.
• 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 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:

A fintech company that builds point-of-sale financing and consumer credit products for everyday service businesses. Their solution is deployed at thousands of service locations including auto service centers dental offices optical clinics and veterinary practices and is managed through a no-fee mobile credit card.

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