Software Developer

Design, develop, and maintain backend services using Java

Build scalable RESTful APIs and microservices

Work with Spring / Spring Boot frameworks

Implement business logic, data access layers, and integrations

Optimize application performance, scalability, and security

Write clean, testable, and maintainable code kafka

Perform unit and integration testing

Participate in code reviews and technical discussions

Collaborate with frontend, DevOps, and QA teams

Troubleshoot and resolve produc

Key Responsibilities

• Design, develop, test, and deploy robust Java-based applications.
• Build and maintain scalable RESTful APIs and Microservices.
• Collaborate with cross-functional teams including Product, QA, DevOps, and Business stakeholders.
• Optimize application performance and troubleshoot production issues.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Develop secure and high-performance applications.
• Contribute to CI/CD pipeline implementation and automation.

Required Skills

• 5+ years of experience in Java development.
• Strong knowledge of Java 8/11/17 and Object-Oriented Programming concepts.
• Experience with Spring Boot, Spring MVC, Spring Data JPA, Hibernate.
• Hands-on experience in Microservices Architecture.
• Strong expertise in designing and consuming REST APIs.
• Experience with SQL databases (Oracle, MySQL, PostgreSQL).
• Knowledge of Git, Maven/Gradle, and version control practices.
• Experience with Kafka/RabbitMQ or other messaging platforms.
• Understanding of design patterns and software development best practices.
• Familiarity with Agile/Scrum methodologies.

Role: Backend Developer (Node.js)

Key Responsibilities

Backend Development

• Build scalable, high-performance backend services and REST APIs using Node.js.
• Develop robust, maintainable, and production-ready applications.

Database Optimization

• Design efficient database schemas.
• Optimize queries, indexing, and overall database performance.
• Work extensively with PostgreSQL or MySQL.

Frontend Collaboration

• Collaborate closely with frontend engineers to integrate APIs.
• Basic understanding of React or Angular is a plus.

System Design

• Participate in both Low-Level Design (LLD) and High-Level Design (HLD) discussions.
• Design systems with scalability, security, and reliability in mind.

Cloud & Infrastructure

• Deploy and manage applications on AWS.
• Utilize Redis for caching and performance optimization.

Code Quality

• Write clean, maintainable, and well-documented code.
• Participate in code reviews and follow engineering best practices.

Testing & Debugging

• Write comprehensive test cases.
• Ensure backward compatibility.
• Debug and resolve issues related to functionality, performance, and scalability.

Required Skills & Experience

Must Have

• 2+ years of backend development experience.
• Strong proficiency in Node.js.
• Experience with PostgreSQL or MySQL.
• Good understanding of REST APIs.
• Experience with AWS cloud services.
• Knowledge of distributed systems and microservices architecture.
• Experience with Redis or similar caching technologies.
• Strong understanding of system design concepts.
• Excellent debugging and problem-solving skills.
• Focus on writing scalable, reliable, and testable code.

Good to Have

• Basic knowledge of React or Angular.
• Experience working in fast-paced startup environments.

Why Join Vahan?

• Unlimited Paid Time Off (PTO)
• Comprehensive Medical Insurance
• Monthly Wellness Leaves
• Competitive Compensation
• Opportunity to work on products impacting millions of users
• Fast-paced, high-growth startup backed by leading investors
• Ownership-driven engineering culture with meaningful technical challenges

About Us

Rezo.ai is an AI-Powered Contact Center that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs

How do we do it

Rezo’s AI-Powered contact center leverages groundbreaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing customer-agent conversations across multiple channels including voice, email, chat/Whatsapp, and social media, whilst coaching them. 

What Makes You A Good Fit :

• You are passionate about technology and software development
• You are continuously experimenting and learning more
• You love solving problems and digging into complex problems
• You believe in taking decisions as close to the product and technical expertise as possible.
• You believe in creativity, trying new things and learning from your mistakes.
• You believe in sharing insights and helping one another to build an even better user plan.

Key Skills Required:

• 3-8 years of Experience in Java Product Development.
• Good understanding of MYSQL.
• Practitioner of clean code and SOLID principles
• Exposure to GIT and Maven
• Good verbal and written communication skills
• Understands different major language paradigms (Object Oriented and Functional)
• Understanding and Experience with Multi-Threaded Applications
• Prior Experience in a SAAS Product company is a Plus 
• Experience with Managing Team is a plus

Educational Background:

• Bachelor's/Master’s degree in Computer Science Engineering from Tier 1 College is a Plus.

Why You Should Join Rezo.AI

• You will be surrounded by Passionate Team Members with Exposure to Product Building
• You will be learning About various Product Development Cycles
• Big Career Opportunities
• Learning by doing
• The Opportunity of Innovation
• Recognition
• Enhanced Responsibility and Team Management

Cultural fitment 

Work at the heart of AI and customer engagement.

If you are fascinated by AI and looking to work with the latest AI technologies, in a fast growing and flexible work environment with immense growth opportunities, come and join us.

Rezo is the place to be if you want to work in an atmosphere where you can do meaningful research, contribute to the platform, and grow fast.

Culture/Values

We believe that allowing employees to pursue their interests and challenge the existing quo only helps to make Rezo a successful workplace. To that end, we are committed to assisting our employees in enhancing the skills that are vital to their professional growth.

FOCUS, INTEGRITY, TEAMWORK, PASSION, INNOVATION

Why Us?

We are a fast-paced start-up with some of the best talents from diverse backgrounds. Working together to solve customer service problems. We believe a diverse workforce is a powerful multiplier of innovation and growth, which is key to providing our clients with the best possible service and our employees with the best possible career. Diversity makes us smarter, more competitive, and more innovative.

Visit our website: https://rezo.ai/">https://rezo.ai/ for more information

Job description 

• Lead design, development, implementation and maintenance of applications & back-end  services demonstrating service-oriented architecture. 
• Design, build, test, and maintain scalable APIs, services, and systems within the  platform. 
• Choose the right Data Structures, tools, and tech stacks and do high-level design with guidance. 
• Build, develop, mentor, review code and coach junior team members. 
• Extensive programming experience with cross-platform development: Java/SpringBoot,  Javascript/Node.js, Express.js or Python 
• Extensive knowledge of ElasticSearch, MongoDB or Cassandra, Redis, SQS and data  streaming (Spark, Flink, Kafka streams, storm, etc.). 
• Well versed in Kafka Understanding cloud native technologies such as Docker and  Kubernetes, capable to cover full development lifecycle including CI/CD 
• Experience in use of source code management system like GIT, bitbucket and build tools  like ant, maven, Gradle or make. 
• Take great pride in Code quality and developer productivity. 
• Put in Microservcies architecture in place that paves road for scalability, efficiency,  observability, and availability. 
• Build (and open source) data processing, storage and fetch systems at the petabyte scale  with the lowest cost/GB while still responding in milliseconds at the 99th percentile. 
• Write algorithms and services to influence personalisation and recommendation from a  real-time recommendation engine for both home feed to surface most viral videos +  video e-commerce 
• Build machine learning pipelines using Kinesis,Spark/Flink/TensorFlow etc 
• Agile methodologies, Sprint management, Roadmap, Mentoring, Documenting, Software  architecture 
• Proven experience in handling large infrastructure and distributed systems Liaison with Product Management, DevOps, QA, Client and other teams Your Experience Across The Years in the Roles You’ve Played 

• Have total or more 7 - 9 years of experience with 2-3 years in a startup. Have B.Tech or M.Tech or equivalent academic qualification from premier institute. Experience in Product companies working on Internet-scale applications is preferred 
• Thoroughly aware of cloud computing infrastructure on AWS leveraging cloud native  service and infrastructure services to design solutions.
• Follow Cloud Native Computing Foundation leveraging mature open source projects  including understanding of containerisation/Kubernetes. 

We Value Engineers Who Are :

• Customer-focused: We believe that doing what’s right for the creator is ultimately what  will drive our business forward. 
• Obsessed with Quality: Your Production code just works & scales linearly 
• Team players. You believe that more can be achieved together. You listen to feedback  and also provide supportive feedback to help others grow/improve. 
• Pragmatic: We do things quickly to learn what our creators desire. You know when it’s  appropriate to take shortcuts that don’t sacrifice quality or maintainability 

Chingari Benefits 

The glory. Almost too much responsibility. 

A fun-life balance 

A ticket on our rocket ship to the moon. �� 

• Understand the overall requirements of the product/platform and specifically for the assigned feature/module.
• Design and Develop Software as per the product architecture and requirements.
• Code and unit testing of the feature/modules including appropriate design reviews and code inspections.
• Ensure adherence to the software development processes.
• Investigates software/system problems to isolate the root cause and provides innovative solutions.
• Collaborates with cross-functional teams (locally & globally) to ensure product releases meet quality, performance, scalability, reliability, and schedule goals.

• Bachelor’s or Master’s degree in Computer Science, Software Engineering or Information Technology.
• 6-10 years of experience in software development using J2EE technologies
• Experience with Core Java, JEE5 (JSP/JMS/Web Services/Servlets), Spring, Hibernate, REST, JBOSS/Tomcat Servers
• 1+ years of experience using Azure IOT technologies
• Work experience in Azure IoT Suite: IoT HUB, Azure TSI, DPS, Service Bus, Azure Functions, Azure KeyVault, MCI/AKS, Azure AD
• Knowledge in Azure Data Lake, Azure SQL
• Strong understanding of object-oriented programming
• Knowledge in ReactJS, JQuery is a plus
• Good knowledge in SQL -preferable
• Must have worked in agile/scrum environment
• Good understanding of software development processes, preferably for a regulated medical devices environment (ISO13485/FDA)
• Ability to work with cross-functional and remote teams.
• Flexibility to work on different areas of the product/platform
• Good written and verbal English communication
• Ability to travel as needed (minimal)