Company: Mentorsmoon Systems

Job Type: Full-Time

Work Mode: Onsite

Location: Noida, Uttar Pradesh

Experience: 1–6 Years

Industry: Fintech / Payments

About Mentorsmoon SystemsMentorsmoon Systems is an Indian technology company specializing in Business Consulting, Information Technology, and Outsourcing Services. We help businesses leverage cutting-edge technologies to accelerate growth, improve operational efficiency, and achieve greater scalability.

We are looking for a motivated and skilled Java Backend Developer – Fintech to join our dynamic team and work with one of our leading clients at their Noida location.

Role OverviewAs a Java Backend Developer – Fintech, you will be responsible for designing, developing, deploying, and maintaining scalable, secure, and high-performance backend systems for financial and payment applications.

The ideal candidate should have hands-on experience with Java, Spring Boot, Microservices, Payment Systems, Kafka, AWS, Redis, SQL/NoSQL databases, and modern software development practices. Candidates with relevant experience across the 1–6 years range are encouraged to apply.

Key Responsibilities

- Design, develop, and deploy high-performance, fault-tolerant, and secure backend services using Java and Spring Boot.
- Develop and maintain scalable microservices architectures.
- Work with relational databases such as MySQL and PostgreSQL and NoSQL databases such as MongoDB.
- Write optimized SQL queries and ensure data integrity and performance.
- Build and integrate payment systems, handling transaction processing, reconciliation, and security requirements.




- Implement event-driven architectures using Apache Kafka for real-time data processing and asynchronous communication.
- Utilize AWS services such as EC2, S3, RDS, Lambda, and other relevant services for deployment and scalability.
- Implement Redis caching and session-management solutions.
- Participate in the complete Software Development Life Cycle (SDLC).
- Write clean, maintainable, scalable, and well-tested code.
- Participate in code reviews and collaborate with other developers and technical teams.
- Troubleshoot and resolve complex issues in production and non-production environments.
- Research and adopt new technologies to improve application performance and development processes.
- Contribute to continuous learning and technical improvement within the team.

Must-Have Skills & Experience
- 1–6 years of professional experience in Java backend development.
- Experience in the Fintech domain, preferably working on financial or payment applications.
- Experience with AI-assisted development and modern AI-powered developer tools/workflows.
- Strong proficiency in Java 8+ and Spring Boot.
- Experience with Microservices architecture and design patterns.
- Experience with payment systems, transaction processing, reconciliation,



and security practices.
- Hands-on experience with MySQL/PostgreSQL and optimized SQL queries.
- Experience with MongoDB or other NoSQL databases.
- Experience with AWS cloud services.
- Experience with Apache Kafka for event-driven systems.
- Experience with Redis for caching and session management.
- Good understanding of Data Structures and Algorithms (DSA).
- Strong problem-solving and analytical skills.
- Understanding of software development best practices, testing, CI/CD, and version control.

Good to Have
- Experience with Azure or GCP.
- Knowledge of Docker and Kubernetes.
- Familiarity with Agile/Scrum or Kanban methodologies.
- Experience with Prometheus, Grafana, ELK Stack, or similar monitoring and logging tools.
- Contributions to open-source projects.
- Experience working with high-volume or high-availability applications.

Education
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.

What We Offer
- Opportunity to work on challenging projects in the rapidly evolving Fintech and Payments industry.
- Exposure to modern technologies and scalable backend systems.
- Collaborative and supportive work environment.
- Continuous learning and career development opportunities.
- Opportunity to work with experienced technology professionals.
- Competitive salary and benefits package.

Apply NowIf you are a passionate Java Backend Developer with experience in Java, Spring Boot, Microservices, Fintech, Payment Systems, and Cloud Technologies, we encourage you to apply.

📌 Java Backend AI Developer-Fintech (Noida)
🏢 Mentorsmoon
📍 Noida