Java Backend Developer at Fintech · Gurugram · 2 - 6 years · ₹15L - ₹28L / yr · Posted 19 Sep 2025

Responsibilities:
● Design, develop, and maintain scalable backend services and APIs using Java and Spring
Boot.
● Create and optimize SQL database schemas and queries in PostgreSQL to ensure efficient
data storage and retrieval.
● Implement RESTful APIs to facilitate seamless communication between frontend and backend
components.
● Configure and manage Nginx web servers to efficiently handle incoming requests and improve
application performance.
● Deploy and manage applications on AWS or GCP, ensuring scalability, reliability, and
security.
● Configure and optimize message broker systems using Kafka for real-time data processing
and communication.
● Containerize applications using Docker for easy deployment, scaling, and management.
● Create detailed Low-Level Designs (LLDs) and High-Level Designs (HLDs) to guide the
development and architecture of backend systems.
● Automating CI/CD pipelines and streamlining the software development lifecycle.
● Integrate AI/ML models into backend workflows using Python, PyTorch/TensorFlow, or
third-party AI APIs.
● Leverage AI tools (e.g., OpenAI APIs, Hugging Face, AWS AI services) to build intelligent
features.
● Collaborate closely with frontend developers, product managers, data scientists, and other
stakeholders to deliver high-quality AI-powered solutions.
● Monitor and troubleshoot production systems to ensure optimal performance, reliability, and
uptime.
What We’re Looking For:
● Bachelor’s degree in Computer Science, Engineering, or related field.
● 3-5 years of experience in backend development.
● Proficiency in Java, Spring Boot, PostgreSQL, SQL, and GitActions.
● Strong understanding of RESTful API design principles and best practices.
● Experience with configuring and optimizing Nginx web servers.
● Experience with configuring and optimizing Kafka service.
● Hands-on experience with AWS or GCP.
● Familiarity with Docker containers and container orchestration.
● Ability to create comprehensive Low-Level Designs (LLDs) and High-Level Designs (HLDs)
for backend systems.
● Experience with Python for AI/ML model integration in backend services.
● Familiarity with AI platforms and APIs such as OpenAI, Hugging Face, AWS AI/ML, or GCP
Vertex AI.
● Excellent problem-solving skills and attention to detail.
● Strong communication and collaboration skills, with the ability to work effectively in a team
environment.
Preferred Qualifications:
● Knowledge of microservices architecture and related technologies.
● Experience with cloud-native development and serverless computing.
● Understanding of software development best practices, including Agile methodologies

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Job Description:
We are looking for experienced Java professionals with strong backend development experience to join our technology team. The ideal candidate should have hands-on experience in Java, Spring Boot, Microservices, and related backend technologies.
Key Responsibilities:
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Develop and integrate RESTful APIs and Microservices.
- Work with Kafka for event-driven architecture and messaging.
- Write clean, efficient, and maintainable code.
- Troubleshoot and resolve application issues.
- Collaborate with frontend, QA, DevOps, and other technical teams.
- Participate in code reviews, design discussions, and technical solutioning.
- Ensure application performance, scalability, and reliability.
Primary Skills:
- Core Java
- Spring Boot
- Microservices
- REST API
- Kafka
- SQL / Database
Good to Have:
- React.js
- Cloud technologies
- Docker / Kubernetes
- CI/CD
- Agile/Scrum experience
Required Skills
- 5+ years of experience in Backend Java Development.
- Strong proficiency in Core Java.
- Hands-on experience with Spring Boot.
- Experience with Spring Framework, Spring Data JPA, and Hibernate.
- Experience with Spring Batch.
- Strong understanding of RESTful APIs.
- Good knowledge of Microservices architecture.
- Strong experience with SQL databases.
- Exposure to NoSQL databases.
- Experience with Git and CI/CD.
- Experience with JUnit, Mockito, or similar testing frameworks.
- Strong debugging and troubleshooting skills.
- Good understanding of software development best practices.
Good-to-Have Skills
- Docker / Kubernetes
- AWS / Azure / GCP
- Kafka / RabbitMQ
- Redis
- Swagger / OpenAPI
- Monitoring and logging tools
Urgent Requirement 🔥
👉 Java Backend with AWS
👉 Java Backend with React, Spring Boot, Microservices
Exp: 3+ Yrs
Loc: Chennai, Bangalore, Hyderabad
Immediate Joiners Preferred!
Key Responsibilities:
- Around 4+ years of experience in Java backend development. Candidates with 3+ years of relevant experience may also be considered.
- Strong problem-solving and coding skills in Java are mandatory.
- Strong knowledge of the Spring Framework, including Spring Boot, RS services, and Spring Batch.
- Experience with microservices architecture is preferred. Candidates with basic microservices exposure may also be considered.
- Good understanding of SQL and NoSQL databases. Strong knowledge of at least one database system, such as BigQuery or Oracle, is mandatory.
- Exposure to Kafka, Docker and Kubernetes will be an added advantage.
- Familiarity with AI coding tools such as Claude Code or Cursor will be an added advantage.
- Candidates should have strong programming fundamentals to validate and review AI-generated outputs.
Java backend (Java + Kafka)
Bangalore
5+yrs
immediate to 15days
Java, Spring Boot, Kafka, microservice
Call or WhatsApp: 6 3 8 5 0 7 6 1 4 2
Job Description:
We are looking for experienced Java professionals with strong backend development experience to join our technology team. The ideal candidate should have hands-on experience in Java, Spring Boot, Microservices, and related backend technologies.
Key Responsibilities:
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Develop and integrate RESTful APIs and Microservices.
- Work with Kafka for event-driven architecture and messaging.
- Write clean, efficient, and maintainable code.
- Troubleshoot and resolve application issues.
- Collaborate with frontend, QA, DevOps, and other technical teams.
- Participate in code reviews, design discussions, and technical solutioning.
- Ensure application performance, scalability, and reliability.
Primary Skills:
- Core Java
- Spring Boot
- Microservices
- REST API
- Kafka
- SQL / Database
Good to Have:
- React.js
- Cloud technologies
- Docker / Kubernetes
- CI/CD
- Agile/Scrum experience
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java and Spring Boot.
- Build and consume RESTful APIs and integrate with third-party services.
- Develop scalable microservices and distributed systems.
- Optimize application performance, reliability, and security.
- Write clean, maintainable, and well-documented code.
- Collaborate with front-end developers, QA engineers, DevOps, and product teams.
- Troubleshoot production issues and implement bug fixes.
- Participate in code reviews and follow software development best practices.
- Contribute to CI/CD pipelines and deployment processes.
Required Skills & Experience
- Strong proficiency in Java (Java 8/11/17+).
- Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
- Experience building RESTful APIs and microservices.
- Knowledge of Hibernate/JPA.
- Strong understanding of SQL databases such as MySQL or PostgreSQL.
- Familiarity with Git and version control.
- Understanding Maven or Gradle.
- Knowledge of unit testing frameworks such as JUnit and Mockito.
- Understanding object-oriented programming principles and design patterns.
Pickyourtrail (PYT) is an expert co-creator of super hit customised holidays. We are the perfect partner to the ‘designated travel planner/s’ of every group - big or small. Our service, customisation and expertise help us deliver super hit holidays and make the planner the hero of the holiday.
PickYourTrail is a technology-driven travel company building personalized, end-to-end travel experiences. Our platform powers dynamic itinerary creation, real-time pricing, booking orchestration, and post-booking workflows at scale. We operate in a high-throughput, real-time environment where backend systems are critical to business success.
What are we looking for in you?
You are enthusiastic about developing highly scalable, foolproof, end-to-end quality software. You have worked on api integrations, have a good understanding of api docs, SOAP, REST, rate limiter and caching. You are very passionate about data structures and algorithms. You are flexible in working with multidisciplinary teams and you push your teammates to their limits & ensure that the work is done. You consider AI as your friend and use them in all facets to augment your work, as your pair programmer, code reviewer and design philosopher. If you feel we are talking about you, contact us asap.
Who will you work with?
Being a part of a small team of backend engineers, you get to solve a wide range of problems in the travel space. Be it feature discussion, solution design, development, dev testing, deployment, enhancement or maintenance, you get to experience everything.
What's in it for you?
- Opportunity to contribute and solve interesting problems in the travel space.
- Solve for scalability, availability and performance along with functional integrations.
- Freedom to explore solutions rather than getting tied down by rigid standards.
- Work with some of the best techies in the industry
- An environment where Attitude is higher than Skill and performance scores over politics
- Take the product to the next level that has an impact on the end customer
What you'll bring to the team?
- Good understanding of data structures and algorithms
- Good experience in System & Solution design.
- Working knowledge of Java, Web Services, SOAP, REST and Spring Boot.
- Experience working with coding assistants like co-pilot, Claude desktop etc.
- Knowledge of GIT version control
- Good knowledge of any database (MongoDB, PostgreSQL, MySQL, Oracle)
- Knowledge of Unit testing is a must
- Fair debugging skills
Eligibility:
- Only IIT / NIT graduates
- Immediate joiners preferred
Mandatory Skills:
- Strong experience in Core Java
- Spring Boot & Microservices
- REST APIs
- SQL / Relational Databases
- Data Structures & Algorithms
- Strong problem-solving skills
- Experience in designing scalable backend applications
Good to Have:
- Cloud (AWS/Azure/GCP)
- Kafka / Messaging Systems
- Docker & Kubernetes
Interested candidates who meet the above criteria can share their updated resume along with:
- Total Experience
- Current CTC
- Expected CTC
- Notice Period
- Current Location
Build Products. Solve Real Problems. Grow with Us.
Are you passionate about building scalable applications, solving complex engineering challenges, and working with modern technologies?
At NonStop io Technologies, we're looking for a talented Java Developer who enjoys creating high-quality software, collaborating with smart teams, and continuously learning new technologies.
This isn't just another development role. You'll work on real-world products, modern architectures, cloud technologies, AI-powered development tools, and systems that impact businesses and users every day.
If you're someone who loves writing clean code, takes ownership of your work, and wants to grow into a strong technical contributor or future tech lead, we'd love to connect with you.
About NonStop io Technologies
NonStop io Technologies is a product engineering company with 10+ years of experience building web and mobile applications for startups and enterprises.
We're a team of passionate engineers who believe in:
- Building products, not just projects
- Continuous learning and innovation
- Engineering excellence and quality delivery
- Long-term ownership and customer success
- Collaboration, transparency, and growth
Our engineers don't just execute tasks, contribute ideas, influence architecture decisions, and help shape products from concept to scale.
What You'll Be Working On
- Designing and developing scalable backend applications using Java and Spring Boot
- Building REST APIs and Microservices
- Working on cloud-ready applications and distributed systems
- Collaborating with product managers, designers, and engineers
- Improving application performance, scalability, and reliability
- Contributing to architecture and technical design discussions
- Leveraging AI-powered development tools to enhance productivity
- Working with CI/CD pipelines and modern software engineering practices.
Skills We're Looking For
Must Have
- 3–6 years of experience in Java development(Min 3 Years)
- Strong expertise in Java, Spring Boot, Spring MVC, and Hibernate/JPA
- Experience building Microservices and REST APIs
- Strong understanding of OOP, Design Patterns, and Clean Coding Practices
- Experience with MySQL or PostgreSQL
- Working knowledge of Git
- Hands-on experience with Frontend Technologies (HTML, CSS, JavaScript, React/Angular)
- Experience with Maven or Gradle
Good to Have
- Experience with AWS or cloud environments
- Exposure to CI/CD pipelines and DevOps practices
- Experience with distributed systems and scalable architectures
- Knowledge of automated testing frameworks
- Familiarity with AI-assisted development tools such as GitHub Copilot
Why Developers Love Working With Us
- Work on real products with real impact
- Opportunity to work on modern architectures and cloud technologies
- Exposure to AI-powered software development practices
- Learn directly from experienced engineers and architects
- Friendly, collaborative, and growth-oriented culture
- Freedom to experiment, innovate, and share ideas
- Continuous learning and career growth opportunities
- Work with a team that values ownership, trust, and engineering excellence
Interested in Joining Our Team?
We're always excited to connect with developers who are curious, driven, and passionate about technology.
If you enjoy building quality software, learning new technologies, and taking ownership of your work, this could be the right opportunity for you.
We look forward to connecting with you!












