
Java Developer
Requirements
- 2+ years of experience in the Development of JAVA technology.
- Strong Java Basics
- Linux
- SpringBoot or Spring MVC
- Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Java 8
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 2+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding AI/ML algorithms is a plus.

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Core Responsibilities:
- Design, develop, and maintain backend services and APIs using Python or Golang.
- Write high-quality, testable, and maintainable code with a focus on performance and scalability.
- Implement automated tests and contribute to CI/CD pipelines.
- Collaborate with product, QA, and DevOps teams for end-to-end feature delivery.
- Troubleshoot production issues and provide timely resolutions.
- Participate in design and architecture discussions to improve system efficiency.
- Contribute to improving development processes, coding standards, and best practices.
Experience and Expertise:
- 1-2 years of experience in backend development with Python or Golang.
- Solid understanding of RESTful APIs, microservices, and distributed systems.
- Strong knowledge of data structures, algorithms, and OOPS principles.
- Hands-on experience with relational and/or NoSQL databases.
- Familiarity with Linux development, Docker, and basic cloud concepts (AWS/GCP/Azure).
- Proficiency with Git and version control workflows.
- Familiarity with AI-powered development tools or exposure to projects involving large language models (LLMs) is a plus.
Skills:
- Strong analytical and debugging skills with the ability to solve complex problems.
- Good communication and collaboration skills across teams.
- Ability to work independently with minimal supervision while being a strong team player.
- Growth mindset – eagerness to learn new technologies and improve continuously.
Required Skills: TypeScript, MVC, Cloud experience (Azure, AWS, etc.), mongodb, Express.js, Nest.js
Criteria:
Need candidates from Growing startups or Product based companies only
1. 4–8 years’ experience in backend engineering
2. Minimum 2+ years hands-on experience with:
- TypeScript
- Express.js / Nest.js
3. Strong experience with MongoDB (or MySQL / PostgreSQL / DynamoDB)
4. Strong understanding of system design & scalable architecture
5. Hands-on experience in:
- Event-driven architecture / Domain-driven design
- MVC / Microservices
6. Strong in automated testing (especially integration tests)
7. Experience with CI/CD pipelines (GitHub Actions or similar)
8. Experience managing production systems
9. Solid understanding of performance, reliability, observability
10. Cloud experience (AWS preferred; GCP/Azure acceptable)
11. Strong coding standards — Clean Code, code reviews, refactoring
Description
About the opportunity
We are looking for an exceptional Senior Software Engineer to join our Backend team. This is a unique opportunity to join a fast-growing company where you will get to solve real customer and business problems, shape the future of a product built for Bharat and build the engineering culture of the team. You will have immense responsibility and autonomy to push the boundaries of engineering to deliver scalable and resilient systems.
As a Senior Software Engineer, you will be responsible for shipping innovative features at breakneck speed, designing the architecture, mentoring other engineers on the team and pushing for a high bar of engineering standards like code quality, automated testing, performance, CI/CD, etc. If you are someone who loves solving problems for customers, technology, the craft of software engineering, and the thrill of building startups, we would like to talk to you.
What you will be doing
- Build and ship features in our Node.js (and now migrating to TypeScript) codebase that directly impact user experience and help move the top and bottom line of the business.
- Collaborate closely with our product, design and data team to build innovative features to deliver a world class product to our customers. At company, product managers don’t “tell” what to build. In fact, we all collaborate on how to solve a problem for our customers and the business. Engineering plays a big part in it.
- Design scalable platforms that empower our product and marketing teams to rapidly experiment.
- Own the quality of our products by writing automated tests, reviewing code, making systems observable and resilient to failures.
- Drive code quality and pay down architectural debt by continuous analysis of our codebases and systems, and continuous refactoring.
- Architect our systems for faster iterations, releasability, scalability and high availability using practices like Domain Driven Design, Event Driven Architecture, Cloud Native Architecture and Observability.
- Set the engineering culture with the rest of the team by defining how we should work as a team, set standards for quality, and improve the speed of engineering execution.
The role could be ideal for you if you
- Experience of 4-8 years of working in backend engineering with at least 2 years of production experience in TypeScript, Express.js (or another popular framework like Nest.js) and MongoDB (or any popular database like MySQL, PostgreSQL, DynamoDB, etc.).
- Well versed with one or more architectures and design patterns such as MVC, Domain Driven Design, CQRS, Event Driven Architecture, Cloud Native Architecture, etc.
- Experienced in writing automated tests (especially integration tests) and Continuous Integration. At company, engineers own quality and hence, writing automated tests is crucial to the role.
- Experience with managing production infrastructure using technologies like public cloud providers (AWS, GCP, Azure, etc.). Bonus: if you have experience in using Kubernetes.
- Experience in observability techniques like code instrumentation for metrics, tracing and logging.
- Care deeply about code quality, code reviews, software architecture (think about Object Oriented Programming, Clean Code, etc.), scalability and reliability. Bonus: if you have experience in this from your past roles.
- Understand the importance of shipping fast in a startup environment and constantly try to find ingenious ways to achieve the same.
- Collaborate well with everyone on the team. We communicate a lot and don’t hesitate to get quick feedback from other members on the team sooner than later.
- Can take ownership of goals and deliver them with high accountability.
Don’t hesitate to try out new technologies. At company, nobody is limited to a role. Every engineer in our team is an expert of at least one technology but often ventures out in adjacent technologies like React.js, Flutter, Data Platforms, AWS and Kubernetes. If you are not excited by this, you will not like working at company. Bonus: if you have experience in adjacent technologies like AWS (or any public cloud provider, Github Actions (or CircleCI), Kubernetes, Infrastructure as Code (Terraform, Pulumi, etc.), etc.
PayPal is Hiring !!
Designation: Java back-end developer
Experience:3-7yrs
Location: Chennai, Tamilnadu (Work from OFFICE)
Job description :
Must have skills
3 to 5 years
Java, Spring Boot, Hibernate, REST API
Design Patterns
SQL, Oracle, Table design
Experience: 2 to 8 Years
Job Description
- Technical Skills requirement : JAVA, Multithreading, OOPS, Data Structure, Karaf.
- Total experience required should be around 2 to 8 years.
Job Description :
- Strong development skills in Java JDK 1.7 or above.
- Knowledge of Java 8 features and Multithreading is a must-have.
- Should have a strong acumen in Data Structures, Algorithms, problem-solving and LogicalAnalytical skills.
- Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
- Sound understanding of concepts like Exceptional handling, SerializationDeserialization and Immutability concepts, etc.
- Experience with Multithreading, Concurrent Package and Concurrent APIs Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
Job Summary
- Expand the product to suit the needs of all kinds of travellers. From family travellers to hardcore backpackers and from free independent travellers to those who need a more guided approach to planning their trip.
- Launch across more countries. This means adding support for more geographies, things to do, weather, currencies and payments, transport and accommodation.
- Scale it up to serve millions of users a year, from across the globe. We are seeing decent growth, but it is time to up the game.
Responsibilities and Duties
How you'll add value:
- Own the architecture and design decisions that go into shaping our backend microservices
- Build and ship robust features.
- Work with web and mobile engineers to design and build APIs to power the traveler and influencer applications.
- Help us scale out to multiple geographies and serve millions of travelers
Required Experience, Skills and Qualifications
- An innate desire to grow. Both personally and with respect to the value you add to other people's lives.
- 4+ years industry experience working with golang/Django
- Sound understanding of CS fundamentals. We don't expect you to remember every algorithm by heart. But if you know how to find the most appropriate one for any given problem, let's talk.
- Personal projects that show an aptitude for technical excellence and product sense.
- Interest in contributing to open source projects
- Bonus points if you have an interest in the philosophy behind technologies. - You are intrigued by why did people develop certain technologies the way they did.
Benefits
- Work with a bunch of amazing people on a challenging problem.
- 1 backpacking trip each year to travel outside India. We don't allow you to travel, we WANT you to travel.
- Stock.
- We don't mind work from home/cafe/some random city in the world as long as your work and your team is not disrupted.
- We don't have a leave policy (there is a guideline for legal reasons) but you are free to take as much personal time as you need as long as you get your job done.
Job Type: Full-time
Salary: ₹2,000,000.00 to ₹3,000,000.00 /year

| Upgrade existing Java (1.6) application running on Apache Tomcat to new Java (1.8) version and new Apache Tomcat version |
| Make necessary code changes for porting application to new Java versions and Tomcat versions |
| Set up new application environments for Dev, SIT and Production |
| Perform unit testing and support user testing. |
| Deploy new upgraded application in production |
| Provide post implementation support. |
| Analyze and resolve defects coming out of testing and post production deployment. |
| Modify existing application code to use Sql Server as backend. |
| Develop Java code as needed. |
The Java/Backend Developer is responsible for the development and maintenance of Bytemark’s backend APIs. This person utilizes their knowledge of Java development & web technologies as an integral part of the software development team.
Responsibilities:
- Design, develop, maintain, and deliver highly scalable and reliable APIs
- Collaborate with development team and product owners to analyze, design, and implement user stories using an agile methodology.
- Write high-quality software code that complies with design specifications and meets development and support requirements.
- Develop unit tests and test changes using an agile methodology.
- Use a variety of tools to perform unit testing, automated builds, and source control.
- Participate as a member in Agile teams, and work with other team member to review user stories, estimate effort for user stories, and participate in sprint reviews.
- Maintaining current web and back-end features
- Learning new skills and technologies as company products and industry standards warrant
Required Skills:
- 2-6 years of experience building RESTful APIs
- 2+ year of hands-on Java experience using Play 1.x framework
- Knowledge of Spring or Grails frameworks is a plus
- Ability to write SQL.
- Understanding of OOP
- Experience with Test Driven Development (TDD) using JUnit, Selenium or a similar technology
- Basic knowledge of Unix
- Excellent verbal, written, and interpersonal communication skills
- 3-8 years of software development experience
- Undergraduate degree in the field of computer science or equivalent
- Able to handle multiple tasks in a fast paced environment










