Node.js Developer

Position : Lead – Java Full Stack Developer

Experience : 7 to 12 Years

Location : Kochi / Thiruvananthapuram / Remote

Notice Period : Immediate to 15 Days

Open Positions : 1

Role Overview :

We are looking for a Lead Java Full Stack Developer with strong expertise in Java (Java 21, Spring Boot, and Hibernate), Angular (v19), and AWS to lead agile scrum teams and drive end-to-end feature delivery.

Key Skills Required :

• Java 21, Spring Boot MVC, Spring Data, Hibernate, Gradle
• Angular 19, HTML5, CSS3, JavaScript, REST APIs
• PostgreSQL / RDBMS / NoSQL
• AWS services: S3, Secrets Manager, CloudWatch
• CI/CD (Jenkins, GitHub), Docker
• Unit Testing (Jasmine/Karma or Jest)
• Tools: JIRA, Azure DevOps, Confluence
• Strong in design patterns, OOPs concepts, and performance optimization
• Excellent debugging and communication skills

Responsibilities :

• Design, develop, and deploy scalable full stack solutions
• Lead sprint tasks, perform code reviews, and ensure code quality
• Collaborate with stakeholders and convert requirements into technical specs
• Participate in Agile ceremonies and follow DevOps/CI-CD best practices
• Guide team members and promote technical best practices

Interview Process :

1. Technical Round
2. 2–3 Technical Rounds
3. Final Technical Discussion

Key Responsibilities

• Collaborate with the Tech Lead to design and implement scalable, maintainable backend systems.
• Build robust APIs and backend logic using NestJS, Node.js, or similar frameworks.
• Translate product and feature requirements into efficient, production-ready code.
• Contribute to database schema design, query optimization, and performance tuning (primarily with PostgreSQL).
• Participate in code reviews, testing, and debugging to maintain high code quality.
• Take full ownership of backend modules, ensuring seamless integration with frontend and third-party services.

Requirements

• 1–3 years of experience building and maintaining backend APIs.
• Proficient in Node.js and familiar with NestJS or Express frameworks.
• Strong understanding of relational databases—preferably PostgreSQL (MySQL or SQLite also acceptable).
• Solid grasp of REST API design principles and backend architecture best practices.
• Familiarity with version control (Git), containerization (Docker), and basic cloud deployment workflows.
• Self-driven, detail-oriented, and capable of owning features end-to-end.

Qualifications:

- Bachelor's degree in Computer Science Engineering, or a related field (or equivalent experience).

- At least 7 years of experience in back-end development, specifically with Node.js.

- Strong understanding of JavaScript and TypeScript would be a plus.

- Experience with asynchronous programming and event-driven architecture.

- Familiarity with RESTful APIs and/or GraphQL.

- Proficient in working with databases (e.g., PostgreSQL).

- Knowledge of version control systems, particularly Git.

- Experience with cloud services (e.g., Azure Cloud) and containerization tools (e.g., Docker).

- Strong problem-solving skills and the ability to work independently as well as part of a team.

- Excellent communication and collaboration skills.

We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
• Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
• Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
• Collaborate with cross-functional teams to define, design, and implement new features and improvements.
• Troubleshoot and resolve issues related to system performance, scalability, and reliability.
• Ensure software quality through best practices, including testing, code reviews, and continuous integration.
• Implement and maintain security best practices in both code and data handling.
• Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.

Required Skills & Qualifications:

• 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
• Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
• Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
• Experience with microservices architecture and RESTful APIs.
• Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
• Strong understanding of distributed systems, message-driven architectures, and event streaming.
• Familiarity with version control systems like Git.
• Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
• Experience with CI/CD pipelines and automated testing.

Job Summary: 

We are seeking a highly skilled and experienced Backend Lead to design, develop, and maintain scalable, reliable, and high-performance backend solutions for our multi-tenant SaaS products. The ideal candidate will have a deep understanding of distributed systems, microservices, and cloud-based architectures, with a proven track record in handling production issues at scale. You will collaborate closely with the AI Lead and Frontend Lead to ensure seamless integration of backend services, AI/ML pipelines, and front-end functionalities, thereby

delivering a robust, secure, and feature-rich experience to our customers.

Key Responsibilities:

1. System Architecture & Design

• Define and implement the overall backend architecture for multi-tenant SaaS applications, ensuring scalability, high availability, security, and compliance.
• Design microservices and RESTful/GraphQL APIs and Websockets in alignment with front-end and AI requirements.
• Establish design patterns and best practices for code modularity, performance optimization, and scalability.
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2. Scalability & Performance

• Identify performance bottlenecks and oversee optimization strategies (caching, load balancing, message queues, etc.).
• Implement and maintain monitoring/observability solutions (e.g., Prometheus, Grafana, Loki, ELK Stack) to ensure real-time system health insights and rapid incident response.
• Establish performance baselines, conduct stress tests, and implement disaster recovery strategies.

3. Production Stability & Issue Resolution

• Proactively monitor production environments, anticipating potential failures and bottlenecks.
• Triage, diagnose, and resolve production incidents with minimal downtime, using robust logging, tracing, and on-call rotation strategies.
• Drive root cause analysis and post-mortems for production incidents, implementing preventative measures.
• 
  

4. Collaboration & Cross-Functional Coordination

• Work closely with the AI team to integrate MLOps pipelines, ensuring smooth data flow and secure model deployment.
• Collaborate with the Frontend team to provide well-defined API contracts, enabling efficient UI/UX development.
• Partner with DevOps to define CI/CD pipelines, container orchestration (Docker, Kubernetes), and infrastructure-as-code (Terraform, CloudFormation) practices.

5. Team Leadership & Mentorship

• Lead and mentor a team of backend developers, setting clear goals and providing guidance on best practices.
• Perform code reviews to ensure high code quality, maintainability, and adherence to design standards.
• Foster a culture of continuous learning, encouraging the adoption of new technologies, tools, and methodologies.

6. Security & Compliance

• Implement secure coding practices and follow industry standards (e.g., OWASP Top 10).
• Work with compliance teams to ensure data privacy and regulatory requirements (HIPAA) are met.
• Oversee authentication/authorization frameworks (OAuth, JWT, etc.) and data encryption at rest and in transit(Encryption, SSL/TLS).

7. Documentation

• Maintain comprehensive technical documentation, including architecture diagrams, APIs, database schemas, and operational runbooks.
• Facilitate knowledge sharing sessions and handovers to ensure smooth onboarding of new team members.

Qualifications

Education:

Bachelor’s or master's degree in computer science,engineering, or a related field.

Experience:

• 8+ years of experience in backend or full-stack development, with 3+ years in a technical lead or architect role.
• Demonstrated history of leading and delivering large-scale, distributed systems in production environments.

Technical Expertise:

• Languages & Frameworks: Proficiency in modern backend languages (e.g., Python) and associated frameworks (Django/FastAPI, etc.).
• Database Systems: Strong knowledge of both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra) databases, including data modeling and query optimization.
• Microservices & Architecture: Hands-on experience with microservices,containerization (Docker, Kubernetes), and service mesh architectures.
• Cloud Platforms: Experience with cloud providers like AWS and Azure for deployment, scaling, and monitoring.
• CI/CD & DevOps: Familiarity with CI/CD pipelines, Git workflows,infrastructure-as-code, and automated testing.
• Monitoring & Observability: Proficiency with tools like Prometheus, Grafana, ELK Stack, Loki for real-time monitoring and log analysis.

Soft Skills:

• Leadership: Ability to lead teams, manage conflict, and drive a vision for the backend architecture.
• Communication: Strong written and verbal communication skills to coordinate with cross-functional teams (AI, Frontend, QA, Product).
• Problem-Solving: Analytical mindset for troubleshooting complex issues in high- pressure environments.
• Collaboration: Demonstrated capability to work seamlessly across multiple teams and stakeholders.

- Working on Architecture and Standards team to validate designs and standards.

- Perform coding, bug verification, unit testing, and integration testing.

Zycus was incorporated in Princeton, U.S. in 1998. Since then, we have grown everyday, and established as an organization which now is a leading global provider of complete Source-to-Pay suite of procurement performance solutions.

We develop cloud-based (SaaS) https://www.zycus.com/solution/procurement-performance.html">Source-to-Pay solutions for large global enterprises, and have successfully deployed about 200 solutions to over 1000 Global clients. Our spirit of innovation and our passion to help procurement create greater business impact are reflected among procurement solution deployments that we have undertaken over the years. We are proud to have as our clients, some of the best-of- breed companies across verticals like Manufacturing, Automotives, Banking and Finance, Oil and Gas, Food Processing, Electronics, Telecommunications, Chemicals, Health and Pharma, Education and more.

With a team of 1000+ employees, we are present in India with 3 development centers at Bengaluru, Mumbai & Pune and offices in thehttps://www.zycus.com/careers/US-Careers.html">U.S., U.K., Australia, https://www.zycus.com/press-releases/zycus-expands-middle-east-presence-with-new-location-in-dubai.html">Dubai and https://www.zycus.com/press-releases/zycus-continues-global-expansion-with-new-office-in-singapore.html">Singapore and Netherlands.

http://www.zycus.com/">Know more about the LEADER of: Gartner’s 2013, 2015 & 2017 Magic Quadrant for Strategic Sourcing Application Suites and The Forrester Wave™: eProcurement, Q2 2017

PRODUCT PORTFOLIO
7 Product Lines

OFFICES
Princeton, Chicago, Atlanta, London, Netherlands, Melbourne, Bangalore, Mumbai, Pune

MARKET SIZE
USD 2 Billion and grows tremendously during economic downturns

Skill & Experience:

Experience : 4 to 6 years

• Strong understanding of JavaScript/Object Oriented JS, its quirks, and workarounds.
• Must have working knowledge of Node JS.
• Must have knowledge of any one Node JS framework such as Express.js, Hapi.js, Sails.js, etc.
• Understanding of REST API and MVC.
• Understanding of Asynchronous Request handling techniques.
• Understanding of Unit testing frameworks like Mocha/Chai.
• Proficient understanding of code versioning tools, such as SVN or GIT.
• Good to have understanding of Design Patterns and SOLID OOP principles.
• Understanding of modern JavaScript development techniques

Should be able to optimize & effectively manage resources and time of the team members.

Should be able to identify, track and mitigate risks to the product

Should not hesitate to carry out healthy and constructive confrontation with team members, peers and managers for the benefit of Product.

• Attractive compensation with a fast track growth opportunity.
• Opportunity to work with a Young and dynamic innovative team of UI professionals .

• Flexible and employee friendly organization