
Java Full Stack Developer (Backend focused Java & Spring boot)
Role Description We are seeking a highly skilled and experienced Full Stack Developer with a strong background in product engineering. The ideal candidate will have hands-on experience in Java Spring Boot, Kafka, PostgreSQL, and REST API development. You will be working in a collaborative, cross-cultural environment, contributing to the design, development, and deployment of scalable software products
Key Responsibilities
- Design, develop, test, and maintain high-quality software solutions across the full stack.
- Build and implement RESTful APIs to support frontend and backend services.
- Collaborate with cross-functional teams across different cultures and time zones.
- Work closely with product and engineering teams to understand requirements and deliver features.
- Ensure code quality, performance, and scalability.
- Participate in code reviews and knowledge-sharing activities.
Required Skills and Qualification
- 2– 4 years of experience as a Full Stack Developer.
- Proven experience in Java Spring Boot development.
- Proficiency in Kafka for real-time data streaming and messaging.
- Strong knowledge of PostgreSQL and database design.
- Experience in designing and implementing REST APIs.
- Background in product engineering and working on scalable software platforms.
- Excellent verbal and written communication skills.
- Experience working in multi-cultural and global team environments.
Nice to Have
- Experience with frontend frameworks (e.g., React, Angular, Vue).
- Familiarity with CI/CD pipelines and DevOps practices.
- Cloud platform experience (AWS).

About Zenius IT Services Pvt Ltd
About
At Zenius IT Services, we specialize in delivering top-tier Professional Services for industry-leading platforms such as Avaya, Cisco, Genesys, Amazon Connect, Five9, and NICE inContact.
Our expertise extends to Digital Engineering Solutions powered by AI and Machine Learning, helping businesses drive innovation and achieve excellence.
Candid answers by the company
we specialize in delivering top-tier Professional Services for industry-leading platforms such as Avaya, Cisco, Genesys, Amazon Connect, Five9, and NICE inContact.
Our expertise extends to Digital Engineering Solutions powered by AI and Machine Learning, helping businesses drive innovation and achieve excellence.
Similar jobs
About the role
We are seeking a seasoned Backend Tech Lead with deep expertise in Golang and Python to lead our backend team. The ideal candidate has 6+ years of experience in backend technologies and 2–3 years of proven engineering mentoring experience, having successfully scaled systems and shipped B2C applications in collaboration with product teams.
Responsibilities
Technical & Product Delivery
● Oversee design and development of backend systems operating at 10K+ RPM scale.
● Guide the team in building transactional systems (payments, orders, etc.) and behavioral systems (analytics, personalization, engagement tracking).
● Partner with product managers to scope, prioritize, and release B2C product features and applications.
● Ensure architectural best practices, high-quality code standards, and robust testing practices.
● Own delivery of projects end-to-end with a focus on scalability, reliability, and business impact.
Operational Excellence
● Champion observability, monitoring, and reliability across backend services.
● Continuously improve system performance, scalability, and resilience.
● Streamline development workflows and engineering processes for speed and quality.
Requirements
● Experience:
7+ years of professional experience in backend technologies.
2-3 years as Tech lead and driving delivery.
● Technical Skills:
Strong hands-on expertise in Golang and Python.
Proven track record with high-scale systems (≥10K RPM).
Solid understanding of distributed systems, APIs, SQL/NoSQL databases, and cloud platforms.
● Leadership Skills:
Demonstrated success in managing teams through 2–3 appraisal cycles.
Strong experience working with product managers to deliver consumer-facing applications.
● Excellent communication and stakeholder management abilities.
Nice-to-Have
● Familiarity with containerization and orchestration (Docker, Kubernetes).
● Experience with observability tools (Prometheus, Grafana, OpenTelemetry).
● Previous leadership experience in B2C product companies operating at scale.
What We Offer
● Opportunity to lead and shape a backend engineering team building at scale.
● A culture of ownership, innovation, and continuous learning.
● Competitive compensation, benefits, and career growth opportunities.
Required Skills:
• 4+years of software development experience
• Good grasp on programming fundamentals including OOP, Design Patterns, Data Structures, Networking and OS Concepts
• Excellent coding skills (We prefer java).
• Flexible to work on any technology. Should be able to pick-up new technologies fast.
• Expertise in any programming language
• Good knowledge of relational databases and writing complex queries
• Good knowledge of web 2.0 technologies
• Knowledge of distributed systems, Multi-threading, network programming.
• Exhibit passion and enthusiasm for building and maintaining large scale platforms.
• Passionate about automated testing, good design, performance and scalability.
• Able to solve complex algorithms
• Excellent analytical, logical and problem-solving skills
Software Developer:
- Strong experience on Java and Python
- Experience on Kafka, Kubernetes, and React
- Must have experience on any one database
- Location :Bangalore and Hyderabad
- Experience : 5-10 Years
- 2+ years of experience in Python, Django, Mongo, Express, MySQL, etc
- Have built applications capable of serving high volume with low latency in production
- Following practices of agile development with continuous integration/deployment
- Experience in deploying applications in AWS cloud
- Knowledge in building applications for Fintech/payments domain is a bonus
- Bachelor’s or Master’s degree in CS or equivalent from a reputed institution
- Self-starter, hustler, and a desire to achieve greatness is a MUST
- Immediate joining preferred
- You will have the flexibility to design the application and systems from the ground up.
- Your primary responsibility is to implement business logic in the backend and create awesome restful APIs for seamless integration with our mobile front end.
Founded over 8 years ago, we’ve grown from a small team in India’s start up city Gurgaon to a leading global software consultancy.
Over 100+ clients all over the globe are already satisfied by our services and the list continues to grow.
Ezeiatech is the next-generation global technology company that is helping enterprises reimagine their businesses for the digital age. Our technology products, services, and engineering are built on years of
innovation, a strong culture of invention and risk-taking, and a relentless focus on customer relationships.
We expertly steer our clients through all the hurdles of their digital journey. We do it by enabling the enterprise with all the latest trends and technologies that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight.
Roles & Responsibilities
• Contribute in all phases of the development lifecycle.
• Write well designed, testable, efficient code.
• Ensure designs are in compliance with specifications.
• Prepare and produce releases of software components.
• Support continuous improvement by investigating alternatives and technologies and presenting these
for architectural review.
Desired Qualifications and Experience
• Computer Science or equivalent Engineering degree.
• 2 to 4 years of professional experience as a Java Developer.
• Hands on experience in designing and developing applications using Java EE platforms.
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate).
• Experience in the Spring Framework.
• Experience with test-driven development.
Someone from the product based/Fintech
Immediate Joining or Notice Upto 30 Days
WFH
Roles & Responsibilities:
● Invent, design and build software that is stable and performant
● Primary role will be quality and timely delivery of the application/ feature/ module your team
will be working on
● Adopt and execute good design philosophy and code writing practices
● Ensure the code goes through rigorous tests and quality checks before deployment
● Work with other software engineers and database engineers to set excellent development
practices and deliver innovative changes in new and existing products
● Be hands-on technical, thus, leading by example using web, mobile and database
technologies
● Work on project ideas with customers, stakeholders and peers
● Be actively involved in code review process, design discussions, team planning
Minimum Qualifications:
● Bachelor's degree in Computer Science, Software Engineering, or a related technical
discipline
● 3-6 Years of Experience
● Expertise in software design and development
● Proficiency with at least one Object Oriented language (e.g. Java)
● Have knowledge about Computer Science fundamentals in object-oriented design, data
structures, algorithm design, problem-solving, and complexity analysis
● A strong track record of project delivery for large, cross-functional projects
● Experience with building high-performance, highly available and scalable distributed systems
● Experience with API Design, ability to architect and implement an intuitive customer and
third-party integration story
● Ability to think and analyse both breadthwise (client, server, DB, control flow) and depth-wise
(threads, sessions, space-time complexity) while designing and implementing services

- Computer Science fundamentals in object-oriented design, design patterns, data structures, algorithm design,
- Proficiency with Java
- 1+ years of experience contributing to architecture and design in a product setup
Key Responsibilities
- Understand customer needs by collaborating with Product Managers and Business stakeholders
- Design, development, delivery, and support of large-scale, distributed software applications and tools
- Use software engineering best practices to ensure a high standard of quality and maintainability for all deliverables
- Work in an agile, startup-like development environment, where you are always working on the most important stuff.
- Take initiatives and come up with new ideas to invent solutions for customers
Today, MoEngage is an industry pioneer in the space and engages more than 350M devices. This includes approximately 40B events tracked per month, 30B+ messages sent, to millions of users across the globe.
As part of the Engineering team at MoEngage, here are some things you can expect:
- Take ownership and be responsible for what you build - no micro management
- Work with A players (some of the best talent in the country), and expedite your learning curve and career growth
- Make in India and build for the world at scale of 350M active users, which no other internet company in the country has seen
- Learn together from different teams on how they scale to millions of users and billions of messages.
- Explore the latest in topics like Data Pipeline, MongoDB, ElasticSearch, Kafka, Spark, Samza and share with the team and more importantly have fun while you work on scaling MoEngage.
Skills required:
- Minimum 2 year experience in Android Development
- Good understanding of Java Programming language
- OOPs concepts
- Multi-threading
- Good understanding of Android Framework
- Framework Components
- Data Storage/Persistence
- Offline support for application
- Rest APIs
Good to Have:
- Knowledge and understanding of Kotlin
- Experience in building dynamic UI
- Knowledge of hybrid frameworks like React-Native/Cordova/Xamarin/Flutter, etc.







