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Lentra.ai

Posted 12 Oct 2026

Java Developer

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Employment
Full time
Team
Software Engineering
Posted
12 Oct 2026

About the role

A hands-on developer in the CTO Office innovation team, building prototypes and production-grade services on a modern reactive Java stack, including real-time video and media features, across Lentra's lending products.


Responsibilities:

  • Design and develop reactive, event-driven applications using Java, Spring Boot, WebFlux, and Project Reactor.
  • Build scalable microservices, RESTful and SOAP APIs, and third-party integrations.
  • Implement non-blocking I/O, back-pressure, and performance optimisation strategies.
  • Develop real-time communication and media streaming solutions using WebRTC, TURN, and FFmpeg.
  • Integrate messaging and data systems using Kafka, MongoDB, Redis, and PostgreSQL.
  • Implement secure authentication, secrets management, and secure coding practices using HashiCorp Vault.
  • Monitor application performance, troubleshoot real-time issues, and conduct root cause analysis.
  • Collaborate with cross-functional teams using Agile methodologies, code reviews, and technical documentation.
  • Develop and maintain cloud-native applications using AWS, Docker, Kubernetes, and CI/CD pipelines.
  • Integrate lending and financial technology platforms with external service providers.


Requirements:

  • Programming Languages: Java, Python, Node.js, Go (Golang), Rust, and TypeScript.
  • Backend Technologies: Java, Spring Boot, Spring WebFlux (Project Reactor), Node.js, and Express.
  • Microservices and Messaging: RESTful APIs, SOAP, JSON, Kafka, and third-party integrations.
  • Databases: MongoDB, Redis, and PostgreSQL.
  • Frontend: HTML5, CSS, Angular 21, TypeScript, and RxJS.
  • Real-Time Media: WebRTC, TURN, media streaming, recording, and FFmpeg.
  • Security: HashiCorp Vault, secrets management, authentication, and secure coding.
  • Cloud and DevOps: AWS, Docker, Kubernetes, Jenkins CI/CD, and Git.
  • Monitoring and Observability: Prometheus, Grafana, Elasticsearch, and performance debugging.
  • Lending and Financial Integrations: Perfios, IDfy, Karza, NSDL, Leegality, Hunter, RBIH, and JanSamarth.


Core Competencies:

  • Reactive and event-driven engineering.
  • Microservices architecture and API design.
  • Real-time media processing and streaming.
  • Performance optimisation, reliability, and observability.
  • Application security and secure development practices.
  • Agile Scrum, code reviews, documentation, and end-to-end product development.

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