
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

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Job Description: Java Developer for Hypertest SDK Development
[See assignment at the end as well]
Company Overview
At Hypertest (https://hypertest.co), we're not just writing code; we're rewriting the rules of software development.
Our autonomous testing tool has already transformed the NodeJs ecosystem for developers at more than 50 teams, and now we're bringing this revolution to Java with your help.
Our Mission: Save developers from the mundane. We automate test case generation, letting you bid farewell to countless hours spent on JUnit, Mockito, RestAssured, Postman, etc.
Imagine a development cycle where your focus is purely on creating, not correcting.
Role: Java Developer
HyperTest seeks a Senior Java Developer with profound expertise in Java's core mechanics and a passion for solving complex problems. This role is central to the development of our Java SDK, crucial for expanding HyperTest's functionalities. Ideal candidates will have a strong background in Java, including experience with library patching, bytecode manipulation, and observability frameworks like OpenTelemetry, New-Relic, Datadog etc.
Location
This is a hybrid position based in Gurugram.
Key Responsibilities
- Develop the HyperTest Java SDK, employing advanced Java techniques for runtime library manipulation and data mocking.
- Extend OpenTelemetry for observability and monitoring in distributed systems, ensuring our SDK integrates seamlessly with modern development ecosystems.
- Create solutions for simulated testing environments that operate in various modes without modifying the original application code.
- Serve as a Java subject matter expert, guiding the team in best practices and innovative software development approaches.
Qualifications
- Java Expertise: Extensive experience in Java, including familiarity with its internals, memory model, concurrency, and performance optimization. Not just experience with high-level frameworks, but a solid understanding of underlying principles and the ability to manipulate Java's core functionalities.
- Software Architecture: Strong grasp of software design patterns, architectural principles, and the ability to solve complex problems with efficient, scalable solutions.
- Analytical Skills: Exceptional problem-solving abilities, capable of addressing complex challenges and driving innovative solutions.
- Communication: Excellent verbal and written communication skills, essential for teamwork and collaboration.
- Specialized Knowledge: Experience with bytecode manipulation, library patching (e.g., Byte Buddy), and a clear understanding of Java's compilation and execution process.
Ideal Candidate Profile
- Not Just Another Java Developer: We're looking for someone who has moved beyond just building applications with Spring Boot or similar frameworks. You should have an experience that demonstrates a deep understanding of Java, including direct manipulation of bytecode, custom library creation, and performance optimization.
- A True Java Enthusiast: You find excitement in exploring Java beyond the surface level, delving into its internals, and leveraging this knowledge to build innovative solutions.
Technical Assessment Overview
Shortlisted candidates will complete a short technical assessment focused on:
- Library Patching and Dynamic Data Mocking: Demonstrating advanced Java skills in runtime library functionality manipulation.
- OpenTelemetry Integration: Applying observability frameworks to trace and monitor distributed systems, a key component of our SDK development.
- Simulated Testing Environments: Creating flexible testing scenarios that replicate real-world conditions without altering the original code.
- Innovative Problem-Solving: Tackling complex Java-related challenges that reflect the technical depth required for this role.
This assessment will help us identify candidates who not only have the technical expertise but also the creativity and problem-solving skills essential for success at HyperTest.
Why Join HyperTest?
Joining HyperTest means being at the forefront of the automated testing revolution. We offer a dynamic work environment, opportunities for professional growth, and the chance to make a significant impact on our product and the wider development community.
Assignment Link
https://t.ly/sp5Xa
Self-Assessment/Screening Questions
- Do you have experience with Java bytecode manipulation?
- Are you familiar with library patching techniques in Java, such as using Byte Buddy?
- Have you used OpenTelemetry or similar frameworks for observability in distributed systems?
- Do you understand how opentelemetry java sdk works?
- have you developed SDKs or libraries in Java?
- How many years of Java development experience do you have?
- How many projects have you worked on that required deep knowledge of Java's internals (e.g., memory management, concurrency)?
- After reviewing the detailed assignment at https://t.ly/sp5Xa , how confident are you in your ability to meet the technical challenges outlined, on a scale from 1 to 10?
Role & Responsibilities:
-
Handle multiple products/modules simultaneously, lead the team in development and support
-
Lead development teams
-
Daily updates to customers and Product Managers/Delivery Managers
-
Participate in design discussions
-
Design and Architect small modules
-
Effort estimations for modules, subsystems or use cases.
-
Learn new skills and mentor the new team members
-
Champion best practices within the team, including code reviews
Work Experience & Skills:
-
B.E/B.Tech or any relevant Masters degree from reputed college.
-
Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring, JDBC, Jquery, Java script, HTML 5 and CSS
-
Strong experience in Postgres or any SQL technology
-
Experience with working on Tomcat, Apache, JBoss or any similar application server
-
Should have 3+ years of experience in leading team.
-
Good experience in JSON / RESTful API / Web Services.
-
Experience in working on Agile methodology using Scrum and sprints
-
Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
-
Experience in cloud technologies, Microservices and frameworks such as AWS or GPC,
container technologies like Docker is a plus.
-
Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
-
Experience in Microservices, SpringBoot and Angular is a plus.
-
Experience with tuning deployed applications for scalability and performance.
-
Good knowledge of deployment and scripting on Linux/Unix servers
-
Strong technical documentation skills.
-
Good oral and written communication skills
We are looking for a Senior Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well. Collaborate with front-end and back-end developers and designers to build website following client requirements.
Responsibilities
- Create clear, simple, and reusable code
- Develop all server-side logic, including data storage to optimize website performance
- Identify programming bottlenecks and bugs and find fixes
- Test, update and validate web applications to be used on different web browsers
- Execute automated testing platforms and system tests
- Familiarity with front-end technologies
- Attention to detail, especially in identifying and fixing errors.
Required Skills
- 3+ Years of experience in back-end development
- Knowledge and experience in Node js and Mongo DB
- Experience in Microservices Architecture


Responsibilities :-
· Discuss training plans with customers to build custom courses to suit their needs.
- Maintain records of training activities, participant progress, and program effectiveness.
- Develop programs and processes that provide a service to industry, business, students, and/or other external/internal clients.
- Serve as technical assistant or point of contact with customer until 'go live' date and hand-off to support.
- Update course documentation as needed to ensure timeliness and relevance.
- Has a mix of being a technical instructor, a solution architect, and an evangelist.
- Coordination of training schedules to ensure the most efficient use of resources.
- Work in tandem with peers in technical training to develop best in class training department across all areas of training.
- Responsible for lectures, demonstration, discussion, and related instructional delivery methods.
- Deliver standard and customized training based on field needs and the delivery of new product and technology training in support of field readiness.
- Help to create, test, and review new and existing courseware.
- Build relationships with OCI product development teams to understand roadmaps and plan for content updates or new training offerings.
- Keep informed of and maintain proficiency with all company products.
- Coordinate logistics for instruction events, including scheduling classes reserving classrooms, travel arrangements and preparing workstations.
Skills
Teaching
Adaptability
Public speaking
Active listening
Communication
- Bachelor's or Graduate's Degree in business, business administration, computer science or railroad engineering or equivalent experience.
- Experience with LMS, Cloud, Cloud computing, computing, and Camtasia processes, software and systems.
- A leader and collaborator with strict attention to detail.
- Comfortable making decisions and suggesting problem solving measures.
- Can run expercies and other mechanisms.
- Prior consulting experience.
- Demonstrated skill at time management.
Roles & Responsibilities JOB TITLE: AEM Developer - Senior
RESPONSIBILITIES:
1. Participation in software development and maintenance
processes as per quality requirements, procedures and best
practices applicable.
2. Implementing, optimizing and supervising efficiency of IT
systems in accordance with specific standards, resolution or
escalation of problems, as appropriate.
3. Drawing up technical documentation.
4. Developing knowledge in scope of information technology used.
5. Developing knowledge in scope of best practices and standards
of creating software.
6. Developing soft skills in scope of effective communication and
efficient teamwork, solution presentation and knowledge sharing.
7. Interpreting business cases, preparing specifications and
analyzing functional and technical requirements.
8. Designing solutions and creating documentation, estimating
individual scope of works and time consumption of works.
9. Within the team and project/services, proactively identifying
problems and proposing measures to increase the level of services.
10. Developing knowledge in scope of information technology
used.
11. Developing knowledge in scope of best practices and standards
of creating software.
12. Spreading the knowledge throughout the organization by
educating and supporting less experienced Specialists.
13. Maintaining industry standards and practices in projects.
14. Performing tasks assigned by the superior.
PROFESSIONAL EXPERIENCE& TECHNICAL SKILLS
1. Minimum 3 years of experience in work related to CQ/AEM
development.
2. Minimum 5 years of experience in work related to Java
development in IT sector.
SOFT SKILLS:
1. Independence in performance of tasks assigned.
2. Team and end user communications skills.
3. Skills to acquire knowledge and put it in practice.
4. Work time estimation based on functional or technical
requirements.
5. Recommending employment in the case of reviewing technical
knowledge of candidates in recruitment process.
6. Work time estimation.
7. Designing and supervising implementation of solutions.
SPECIAL QUALIFICATIONS: Nice to have: AEM 6 Developer
certification
Skills Primary Skills –
1. AEM including Sling Models
2. Apache Sling
3. JCR
4. Sightly (must)
Secondary Skills –
1. OSGi (Apache Felix),
2. Java, JavaEE (Servlet, Filter, JSP)
3. Git
4. Junit
5. Maven
6. REST
7. Object Oriented Design Patterns, Basic HTML + JavaScript
Experience Total Experience – 4-6 years
Relevant Experience – 4-6 years
Qualification Required to perform the
Job (Any Certifications if Needed)
Bachelor’s in information technology or equivalent qualifications.
Experience :- 5 + years
Location :- Bangalore,Hyderabad
• 5 + years of experience in Core Java, , Spring Boot, Microservices (Mandatory skills) + AWS added advantage
Experience building scalable backend systems using REST APIs & NoSQL databases
• Computer Science fundamentals in algorithm design, problem solving
• Awareness of Amazon build tools and processes is a big plus
What You'll Do:
- Understand the upcoming development requirement of product in depth.
- Design product architecture as per vision, insights and concurred direction.
- Design and develop the APIs using Java, Spring, and Hibernate required for the product and expose them to be used by the front-end developers.
- Design the database and tables in MySQL/PostGreSQL/NoSQL (whichever is suitable for the need of the product) and guide the team to utilize them in the best possible way.
- Get involved in continuous maintenance of the product and get the bugs fixed in time.
- Coordinate the workflow between the UX Designers and front-end developers.
- Work on integrating flows with external tools - Segment, Branch, Clevertap.
Ideal Profile:
- Proficiency in Core Java & Spring framework.
- Expertise in Web Service technologies.
- Experience in building the architecture as per the product’s need.
- Experience in building REST APIs using Java/Spring.
- Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL.
- Experience in full life cycle development of a product (specifically mobile products) is a plus.
- Experience with Java/Spring-Boot, Hibernate Cloud Services, AWS.
- Experience with security principles and frameworks.
- Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools (primarily Git).
- Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Tomcat, SVN, Git, Postman/Newman.
- Should have worked in Agile methodologies.
- Good object-oriented and problem-solving skills.
- Strong communication skills along with the ability to work in a highly collaborative environment.
Responsibilities :
- Knowledge of Node.js and frameworks available for it {such as NestJS, Express, StrongLoop, etc.}
- Experience in Database, Postgres Preferred.
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions
- Strong proficiency with JavaScript
We are looking for a Back-end developer to join our engineering team and help us develop and maintain various software products.
Experience: 0-2 years
Prerequisites:
- In-depth understanding of web development process
- Familiarity with Java and Spring frameworks preferably Spring Boot
- Familiarity with Node JS
- Basic understanding of front-end technologies, such as JavaScript, HTML, CSS.
- Experience with working on REST API (GET, POST, PUT, PATCH, DELETE, UPDATE)
Job Description
The duties and responsibilities of a selected applicant would include:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Design and implement low-latency, high-availability, and performance applications.
- Develop back-end components to improve responsiveness and overall performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Perform UI tests to optimize performance
- Test and debug programs
- Implement security and data protection solutions
If you have the desire to be a part of an exciting, challenging,+ and rapidly-growing company, and create the finest apps in a flourishing industry, please send in your applications on:

Years of Experience:- 1.5+
Qualification:- BE Computer Engineering/MCA
Industry:- Software
Location:- Andheri

