NDX Financial Services
https://ndxfinserv.comAbout
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Jobs at NDX Financial Services
Java
NodeJS (Node.js)
RedisAbout the Role
We're looking for engineers who can independently design and build reliable backend services. Beyond writing code, you should be comfortable thinking about performance, data consistency, reliability, and maintainability.
Responsibilities
● Design and implement backend services.
● Translate business requirements into technical solutions.
● Design efficient database schemas.
● Build reliable asynchronous workflows.
● Debug production issues independently.
● Review code and mentor junior engineers.
● Improve application performance and reliability.
● Contribute to technical design discussions.
Must Have Strong Programming Skills
● Proficiency in at least one backend language.
● Strong Object-Oriented Design.
● Good understanding of design principles.
● REST API design.
● Writing maintainable, testable code.
Database Knowledge Comfortable with:
● Database design
● Query optimization
● Transactions
● Indexing strategies
● Locking (high-level understanding)
● Isolation levels (basic understanding)
● Data modelling Concurrency
Working knowledge of:
● Race conditions
● Concurrent updates
● Idempotency (basic understanding)
● Optimistic vs pessimistic locking (conceptual)
● Thread safety (language dependent)
Asynchronous Systems Experience with:
● Background jobs
● Queues
● Retry mechanisms
● Scheduled jobs
● Event-driven workflows (nice to have)
Problem Solving Should be comfortable:
● Debugging production issues.
● Reading logs.
● Identifying bottlenecks.
● Breaking large features into smaller tasks.
● Evaluating trade-offs before implementation.
Good to Have Experience with:
● Redis
● RabbitMQ / Kafka / BullMQ or similar
● Docker
● Kubernetes
● AWS
● CI/CD
● Monitoring & Logging tools
What We Look For Successful engineers here typically:
● Think before coding.
● Write maintainable solutions.
● Understand why a design works, not just how.
● Consider edge cases.
● Take ownership of production issues.
● Help improve the engineering practices of the team.
Interview Focus
● Programming fundamentals
● Database design
● SQL
● Concurrency scenarios
● API design
● Production debugging
● Problem-solving exercise
● Code review discussion
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finexus - Finexus Inc. partners with the leaders in lending and lending world to tackle their most important challenges and capture their greatest opportunities. Although Finexus Inc. as a company has been incorporated just two years back but the core team is working together for many years and has a combined work experience of more than 50 years in general. To succeed, organizations must blend digital and human capabilities. Finexus has made the digitisation process smooth and easy for many leaders and the numbers speak for our success. Our diverse, global teams bring deep industry and functional expertise and a range of perspectives to spark change through leading-edge solutions, Infrastructure, and management consulting as well as technology and design, digital ventures, and business purpose. We work in a uniquely collaborative model across the firm and throughout all levels of the client organization to deliver results that help our clients thrive. Whether you want to advance an idea, improvise, strategize, develop or grow, Finexus is with you at every step of the way. We excel in the lending solutions and handling every aspect of your product and business from strategy to development to sales to customer implementations. We help you and your business right from the inception to the launch and beyond.
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