
Job Description
Apply only if you have experience in data structure and algorithms. (Data structure and algorithms based questions is a part of the interview)
Experience: 3 + years
Location: Bangalore
Notice Period: Immediate to 20 days
Working: currently WFH
Skills: Core Java developer, hashmap, linked list, array, spring, hibernate, OOPS
Please mention the IT skills worked on.

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Company Description
NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.
Role Description
This is a full-time hybrid role for a Java Software Engineer, based in Pune. The Java Software Engineer will be responsible for designing, developing, and maintaining software applications. Key responsibilities include working with microservices architecture, implementing and managing the Spring Framework, and programming in Java. Collaboration with cross-functional teams to define, design, and ship new features is also a key aspect of this role.
Responsibilities:
● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
● Code Reviews: Participate in code reviews to maintain high-quality standards
● Troubleshooting: Debug and resolve application issues in a timely manner
● Testing: Develop and execute unit and integration tests to ensure software reliability
● Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
● Familiarity with RESTful APIs and web services
● Proficiency in working with relational databases like MySQL or PostgreSQL
● Practical experience with AWS cloud services and building scalable, microservices-based architectures
● Experience with build tools like Maven or Gradle
● Understanding of version control systems, especially Git
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
Why Join Us?
● Opportunity to work on cutting-edge technology products
● A collaborative and learning-driven environment
● Exposure to AI and software engineering innovations
● Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
Job Title: Lead Java Developer
Experience Required: 7+ Years
Location: Mumbai
About the Role
We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.
Key Responsibilities
- Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
- Build and optimize APIs for large-scale applications ensuring high performance and reliability.
- Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
- Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
- Write efficient SQL queries and integrate with relational and NoSQL databases.
- Collaborate with product managers, architects, and other developers to define and align on technical decisions.
- Identify and solve complex problems with innovative and scalable solutions.
- Drive best practices in coding standards, system design, and performance optimization.
- Communicate complex technical concepts clearly across teams and stakeholders.
Skills & Qualifications
- 7+ years of experience as a Backend Developer.
- Strong expertise in Java, Spring Boot, Microservices, SQL.
- Significant experience in API design and optimization for enterprise-scale applications.
- Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
- Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
- Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
- Strong communication and collaboration skills, with the ability to influence and align teams.
Profile- Java Developer
Experience– 4 to 7 Years
Skills Required - Java, Spring Boot, Hibernate, Microservices, Design Patter, JUnit, Mockito
Roles & Responsibilities -
- Experience in Java, J2EE, and Java 8 Features
- Experience in Java frameworks such as Spring, Hibernate.
- Experience in Microservices Architecture.
- Expertise in designing and implementing RESTful APIs.
- Familiarity with build tools such as Ant, Maven, and Gradle
- Proficient understanding of code versioning tools, such as Git
- Familiarity with Agile methodologies and Scrum framework.
- Sound knowledge of Oops programming
- Basic knowledge of any cloud and CI/CD Tools

Java/Python Developer(60% Java - 40% Python) - Mid Level Hands On Strong Developer
- 3 Years to 5 Years - Level 2
- 5 Years to 7 Years - Level 3
Location - Mumbai Commerz3 Office Only
He/She candidate must possess a strong technology background with advanced knowledge of Java
and Python based technology stack.
Java, J2EE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
. At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
. Experience with Web Service development, REST and Services Oriented Architecture.
. Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
· Working knowledge of Databases including Design, SQL proficiency.
. Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
. Experience with Unix/Linux Operating System and Basic Linux Commands.
. Strong development skills with ability to understand technical design and translate the same into workable solution.
. Basic knowledge of Python and Hand-on experience on Python scripting
. Build, deploy, and monitor applications using CI/CD pipelines.
Job Description
We are looking for a great Java Developer who is passionate about working in the Microsoft tech stack using Java. Your primary focus will be on developing common reusable components and implementing them following well-known best practices. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving and an attitude to learn is essential.
Job Responsibilities:
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
- Contribute in all phases of the development lifecycle.
- Write well designed, testable, efficient code.
- Prepare and produce releases of software components.
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
- Design and develop dockerised microservices for cloud
Required skills and experience include:
- BS in Computer Science or other field of study and applicable work experience.
- Most likely 3-5 years of experience on Java Web Development.
- Experience in developing Microservices for cloud (Azure/AWS/GCP) is preferred
- Experience in Spring Framework (Spring boot, spring Batch), Spring MVC, Microservice model, RESTful web services
- Experience in databases like SQL Server, Oracle, PostgreSQL, MySQL, MongoDB is desired.
- Should have hands-on experience on Hibernate, JPA or MyBatis or any other persistence framework.
- Must have strong teamwork orientation and the ability to foster collaboration within and across teams
- Knowledge of Maven/gradle
- Knowledge of Docker, Kubernetes
- Good Communication skills ( English)
Primary Skills(Mandatory)
Core and Advanace Java 1.8 , Web and Microservice development using java (Jsp, Servlet, Spring boot, Spring MVC), Restful Web Services, Spring framework, RDBMS (Postgres, Mssql server), Hibernate
Secondary Skills
Java script, Frontend web development - (Angular,nodejs) ( Not mandatory)
Additional Information
- Should have experience of working in any previous IT Software company
- Any additional certification will be a plus
- Comfortable working from Office.
Role / Purpose - Lead Developer - API and Microservices
Must have a strong hands-on development track record building integration utilizing a variety of integration products, tools, protocols, technologies, and patterns.
- Must have an in-depth understanding of SOA/EAI/ESB concepts, SOA Governance, Event-Driven Architecture, message-based architectures, file sharing, and exchange platforms, data virtualization and caching strategies, J2EE design patterns, frameworks
- Should possess experience with at least one of middleware technologies (Application Servers, BPMS, BRMS, ESB & Message Brokers), Programming languages (e.g. Java/J2EE, JavaScript, COBOL, C), Operating Systems (e.g. Windows, Linux, MVS), and Databases (DB2, MySQL, No SQL Databases like MongoDB, Cassandra, Hadoop, etc.)
- Must have experience implementing API Service architectures (SOAP, REST) using any of the market-leading API Management tools such as Apigee and frameworks such as Spring Boot for Microservices
- Should have Advanced skills in implementing API Service architectures (SOAP, REST) using any of the market-leading API Management tools such as Apigee or similar frameworks such as Spring Boot for Microservices
- Appetite to manage large-scale projects and multiple tracks
- Experience and knowhow of the e-commerce domain and retail experience are preferred
- JAVA Microservices with AWS needed
- Provide solution architecture & design involving Cloud and DevOps
- Develop new microservices in a cloud-native way.
- Ensure the unit testing and code coverage are achieved as per the agreed percentage.
- Build reusable code and libraries for future use.
- Optimize application for maximum performance and scalability.
- Collaborate, and coordinate with team members and key stakeholders.
- Communicate effectively with different stakeholders.
- Ensure best practices & standards are followed during SDLC.
- Takes ownership of the whole solution from a technical perspective and ensures adherence to defined Architecture & Design.
- Ensures the latest technology standards, and guidelines are utilized for development.
- Performs consistent & adequate code reviews & feedback to the team.
- Training and induction of new resources on the projects.
Skills and Qualifications
- Deep understanding of OOPs and OOAD.
- Expert and hands-on in Java JEE and Spring framework, Spring Boot.
- Should have experience with RESTful web services and API standards.
- Should know various integration patterns in distributed environments.
- Working knowledge of microservice architecture and different design patterns.
- Hands-on in writing unit tests with Mockito and code coverage tools.
- Hands-on data modeling (Logical physical).
- Knowledge of RDBMS, SQL and any ORM framework (JPA, Hibernate etc.)
- Should know Event-driven and asynchronous programming using message broker.
- Should know about cloud IaaS, PaaS, SaaS and Serverless models of any cloud provider (AWS, Azure, GCP), preferably AWS.
- Knowledge of JavaScript frameworks like NodeJS (For the Backend) and Angular React (For Frontend) will be added advantage.
- Good to have DevOps related technologies like Container (Docker), Container Orchestrator (Kubernetes EKS)
- Excellent in communication

- 8+ Bachelor’s degree in Computer Science or equivalent combination of technical education and work experience;
- 7+ years of Software Development experience and at least 1+ years of experience in building and leading strong engineering teams
- Deep hands-on technical expertise on server side technologies.
- Solid software development background including design patterns, data structures, test driven development, experience in building microservices and highly scalable and performant applications.
- Excellent verbal and written communication skills, and effective stakeholder management, in cross functional teams.
- Managed a team of 5+ engineers, taking care of the delivery planning, resource alignments, prioritization, performance management(including managing appraisal cycles), and effective feedback for the team and individuals.
Junglee Games is a leader in the skill-gaming space, with over 25 million users. Founded in San Francisco in 2012, and funded by top-tier Silicon Valley VCs, Junglee Games is the fastest-growing skill-gaming company in the world. Some of our notable games are Junglee Rummy, Eatme.io, Junglee Teen Patti, and Howzat.
With teams in 7 countries, Junglee is 250 people strong and has close to doubled in revenues and headcount every year. With YOY growth of 80-100% and high profitability, Junglee will see close to $600 million in gross transaction volumes in FY19-20 and scale to 50 million users.
Junglee is not just a gaming business - it is a blend of data science, innovation, cutting-edge technology and, most importantly, a values-driven culture that is creating the next set of conscious leaders.

Experience: 8-12 yrs
Location: Noida
Notice Period: Immediate Or 15 days
Job Description:
• 8-12 yrs. experience in Java, J2EE, SQL, JavaScript, HTML, CSS, XML, Oracle, SQL Server
• Strong in Core Java, J2EE and MVC architecture.
• Good written and oral communication skills (English required).
• Good interpersonal skills, with a focus on listening and questioning skills.
• Ability to absorb and retain information quickly.
• Proven analytical and problem-solving abilities.
Must Have:
* Min 3 years in Angular.
* 1 year in AWS.
* Basic knowledge 3-4 months exposure in Python .

Strong competencies in data structures and algorithms.
Optimizing algorithm and code for performance or memory.
Familiarity with Linux/UNIX tools.
Engineers from Tier 1 college

