Java Developer

Job Title: Senior Java Architect (12+ Years Experience)

Location: Remote (2 PM - 11 PM IST)

Experience: 12+ Years

Salary: ₹15L - ₹21L/yr

Employment Type: Contract (1 Year Extendable)

Job Description:

We are looking for a highly experienced Java Architect to join our team on a long-term contract basis. The ideal candidate should have deep expertise in designing scalable enterprise applications using Java and microservices architecture. The candidate should be capable of driving architecture decisions, mentoring development teams, and delivering high-performance solutions for enterprise-grade systems.

Key Responsibilities:

• Design and architect scalable enterprise applications using Java and microservices
• Lead system design and architecture decisions for complex applications
• Develop and implement microservices architecture patterns
• Drive technical architecture across multiple development teams
• Mentor and guide senior developers and engineering teams
• Handle high-traffic, scalable enterprise application architecture
• Collaborate with stakeholders to define technical requirements and roadmaps
• Ensure system performance, scalability, and reliability
• Review code and architecture designs for best practices
• Work with Spring Boot, Spring Cloud, and modern Java frameworks

Required Skills & Qualifications:

• 12+ years of hands-on experience in Java development and architecture
• Strong expertise in microservices architecture and design patterns
• Deep knowledge of system design principles and enterprise architecture
• Hands-on experience with Spring Boot and Spring Cloud
• Experience designing scalable, high-performance enterprise applications
• Proficiency in RESTful APIs, messaging systems, and API gateways
• Strong understanding of cloud platforms (AWS, Azure, or GCP)
• Experience with containerization (Docker) and orchestration (Kubernetes)
• Knowledge of database design (SQL and NoSQL)
• Expertise in JVM tuning and performance optimization

Technical Skills:

• Java 11+ (Java 17/21 preferred)
• Spring Boot, Spring Cloud, Spring Security
• Microservices architecture and design patterns
• RESTful APIs, GraphQL, gRPC
• Apache Kafka, RabbitMQ, or similar messaging systems
• Docker, Kubernetes, CI/CD pipelines
• PostgreSQL, MySQL, MongoDB, or similar databases
• Redis, Elasticsearch, or caching solutions
• Maven, Gradle, Git

Additional Requirements:

• Ability to work 2 PM - 11 PM IST (US/Europe Shift Timing)
• Immediate availability or short notice period (15 days max)
• Strong problem-solving and analytical skills
• Excellent communication skills for stakeholder collaboration
• Experience mentoring technical teams
• Contract commitment for a minimum of 1 year (extendable)

Good to Have (Preferred Skills):

• Experience with reactive programming (WebFlux, Project Reactor)
• Cloud certification (AWS Solutions Architect, etc.)
• Experience with observability tools (Prometheus, Grafana)
• Knowledge of domain-driven design (DDD)
• Experience with multi-cloud or hybrid cloud architectures
• Freelance/contract experience (preferred)

What We Offer:

• 1.2 ~ 1.8 LPM fixed contract salary
• Long-term contract (1-year extendable)
• Remote work with a flexible 2-11 PM IST schedule
• Work with cutting-edge enterprise technologies
• Opportunity to architect large-scale systems
• Collaborate with experienced engineering teams
• Immediate start for the right candidates

We are seeking an experienced & highly skilled Java Lead to join our team. The ideal candidate will have a strong background in both front end & Back-end Technologies with expertise in JAVA, and Spring.

As a Lead, you will be responsible for overseeing the development

team, architecture saleable application & ensuring best practices in software development. This role requires a hands on leader with excellent problem solving abilities & a passion for mentoring junior

team members.

Responsibilities

• Lead & mentor a team of developers proving guidance on coding standards, architecture & best
• practices
• Architect, design & develop ent to end JAVA based web applications & ensure high performance,
• security & scalability
• Work closely with cross functional teams, including product managers, designers & other developers
• to ensure alignment on project requirements & deliverable.
• Conduct code reviews & provide constructive feedback to team members to improve code quality &
• maintain a consistent codebase
• Participate in Agile/Scrum Ceremonies such as stand ups, sprint planning & retrospectives to
• contribute to the development process.
• Troubleshoot & resolve complex technical issues & ensure timely resolution of bugs & improvements.
• Stay up to date with emerging technologies & industry trends recommending & implementing
• improvements to keep our stack modern & effective

Skills & Requirements

• Minimum 8 Years of experience in Java development, with at least 2 years in Lead developer role.
• Back-end - Core JAVA/JAVA8, Spring-boot, Spring Framework, Micro-services, Rest API’s, Kafka,
• Database - MySQL
• Must be working in the fintech/ Payments domain

Preferred

• Experience with Batch writing, Application performance, Caches security, Web Security

Overview

adesso India specialises in optimization of core business processes for organizations. Our focus is on providing state-of-the-art solutions that streamline operations and elevate productivity to new heights.

Comprised of a team of industry experts and experienced technology professionals, we ensure that our software development and implementations are reliable, robust, and seamlessly integrated with the latest technologies. By leveraging our extensive knowledge and skills, we empower businesses to achieve their objectives efficiently and effectively.

Job Description

We are looking for a skilled and experienced Senior backend Developer specializing in FSE tools to join our team. In this role, you will be responsible for designing and implementing user interfaces that enhance our customer experience. Your contributions will play a critical role in driving the success of our projects by creating dynamic, intuitive, and responsive web applications.

Responsibilities:

Develop, maintain, and enhance web applications using front end tools to create seamless, user-friendly experiences.

Collaborate with cross-functional teams, including UX/UI designers, product managers, and backend developers, to deliver high-quality products.

Write clean, maintainable, and scalable code while adhering to best practices in frontend development.

Perform code reviews, optimize application performance, and debug issues for a smooth user experience.

Stay updated on the latest FSE features and web development trends to bring innovative ideas to the team.

Skills & Requirements

Java, Spring Framework / Spring Boot, APIs (e.g. REST, RESTful API), Unit testing (e.g JUnit, Mockito ), Build Tools (e.g. maven, gradle), CI/CD (e.g. Gitlab, GitHub, Jenkins, Bamboo, Azure DevOps), DEV Tools (e.g. Git, Atlassian Jira, Atlassian Confluence), Quality Tools (e.g. SonarQube, SonarCloud, Findbugs, PMD, OWASP checker, …), Spring Ecosystem (e.g. Spring Data, Spring REST, Spring MVC, Spring Batch, …), Java Commons (e.g. Apache Commons), Other APIs (e.g. SOAP, GraphQL, WebSocket, Server-Sent-Events / SSE, gRPC), API Documentation (e.g. OpenAPI, Swagger, …), Integration testing / E2E testing (e.g. Selenium, Testcontainers, Cucumber), Containerisation (e.g. Docker, Kubernetes / K18n), Cloud experience (e.g. AWS, Azure, GCP).Java Enterprise / Java EE (e.g. EJB, CDI, JPA, JSF, JAX-RS, JAX-WS, JMS), Other Java Frameworks (e.g. Quarkus), Messaging (e.g. Kafka, RabbitMQ, ActiveMQ, …), NoSQL DB (e.g. MongoDB, Neo4j), Performance testing (e.g. Gatling), Single-Sign-On (e.g. OAuth2, Open ID Connect, JWT, SAML), Monitoring, Logging & Tracing in the frontend application, Experience with Linux operating systems, Shell-Scripting.

In your role as Software Engineer/Lead, you will directly work with other developers, Product Owners, and Scrum Masters to evaluate and develop innovative solutions. The purpose of the role is to design, develop, test, and operate a complex set of applications or platforms in the IoT Cloud area.

The role involves the utilization of advanced tools and analytical methods for gathering facts to develop solution scenarios. The job holder needs to be able to execute quality code, review code, and collaborate with other developers.

We have an excellent mix of people, which we believe makes for a more vibrant, more innovative, and more productive team.

• A bachelor’s degree, or master’s degree in information technology, computer science, or other relevant education
• At least 5 years of experience as Software Engineer, in an enterprise context
• Experience in design, development and deployment of large-scale cloud-based applications and services
• Good knowledge in cloud (AWS) serverless application development, event driven architecture and SQL / No-SQL databases
• Experience with IoT products, backend services and design principles
• Good knowledge at least of one backend technology like node.js (JavaScript, TypeScript) or JVM (Java, Scala, Kotlin)
• Passionate about code quality, security and testing
• Microservice development experience with Java (Spring) is a plus
• Good command of English in both Oral & Written

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

• Design & implement backend APIs 
• Mentor junior developers technically.
• Actively work to reduce tech debt in the backend
• Work towards more stability & scalability of the backend
• Tech stack - Java, AWS, Aurora etc. 

Eligibility

• 4-8 years of product company experience
• OOP implementation experience. Programming language does not matter. We use Java internally but have hired folks from non Java background.
• Hands on experience in SQL, Dynamo DB, Postgres etc preferred. 
• Prior experience building REST APIs
• Advanced understanding of AWS stack
• Prior knowledge of solving problems at scale.

Java
J2ee
working experience with one or more clouds

Understanding of design architecture

Experience with Traditional databases and nosql databases

Sound in Algorithms,data structures and problem solving 

Good at coding and design

• Development & maintenance of Cleartrip’s product lines
• Involved in entire lifecycle including analysis, development, fixing, and monitoring of issues on the assigned Cleartrip product lines
• Unit test cases – Review and writing

• 2+ years of Product Development experience
• Java, Spring Framework preferred
• Solid experience with databases (Oracle/MySQL) – a must
• Excellent OO and design skills
• Experience with Test Driven Development within a continuous Integration environment (Lunt, CruiseControl, etc)

• BE/B.Tech Computer Science Personality Traits/Attributes:
• Excellent communication skills
• Excellent interpersonal skills – team player & desires to works closely with teammates, QA & product teams
• Problem-solving skills – Ability to research, analyze & find solutions independently.

• Own development, design, scaling and maintenance of application and messaging engines that power the central platform of Capillary's Cloud CRM product. 
• Contribute to overall design and roadmap.
• Mentor Junior team members.

Required Skills:

• Innovative and self-motivated with passion to develop complex and scalable applications.
• 3-5 years of experience in software development with strong focus on algorithms and data structures.
• Strong coding and design skills with prior experience in developing scalable & high availability applications using Core Java/J2EE, Spring, Hibernate. 
• Work experience with Relational databases is required (Primarily MySQL)
• Prior work experience with Non-Relational databases (primarily Redis, MongoDb) is an added plus.
• Strong Analytical and Problem Solving Skills.
• BTech