Java Backend Developer – Spring WebFlux at Pattem Digital · Bengaluru (Bangalore) · 4 - 6 years · ₹8L - ₹16L / yr · Profitable · Posted 16 Apr 2026

Java Developer – Backend (Spring Boot + WebFlux)
Company Overview
Dive into the galaxy of innovative possibilities and unfold the future with Pattem Digital. We are a leading software product development company specializing in delivering 100+ services across frontend, backend, CMS, and cutting-edge technologies. With a global presence and proven track record, we help businesses scale through agile and efficient software solutions.
Position Overview
We are looking for a skilled Java Backend Developer with strong expertise in Core Java, Spring Boot, and Spring WebFlux. The ideal candidate will be responsible for building scalable backend systems, developing reactive and RESTful APIs, and contributing to high-performance applications.
📍 Location: Whitefield, Bangalore (Onsite – 5 Days/Week)
📅 Experience: 5–6 Years
Key Responsibilities
● Develop and maintain backend services using Java, Spring Boot, and Spring WebFlux
● Design and implement RESTful and reactive APIs for scalable applications
● Work with databases (SQL/NoSQL – MongoDB preferred)
● Implement multithreading, concurrency, and reactive programming for performance optimization
● Collaborate with frontend teams, QA, and product managers
● Debug, troubleshoot, and resolve production issues
● Write clean, maintainable, and efficient code
● Participate in code reviews and maintain coding standards
● Ensure application performance, scalability, and security
Required Qualifications
Technical Skills
● Strong hands-on experience in Core Java (OOPs, Collections, Multithreading)
● Experience with Spring Boot, Spring MVC, and Spring WebFlux
● Good understanding of Microservices architecture
● Experience with MongoDB / SQL databases
● Knowledge of Java Streams, Exception Handling, Concurrency, and Reactive Programming
● Familiarity with Linux environment
● Experience with Git, Maven, CI/CD pipelines
● Understanding of API design, reactive systems, and system architecture
Experience & Education
● 5–6 years of experience in backend development
● Bachelor’s degree in Computer Science or related field
Soft Skills
● Strong problem-solving and analytical skills
● Good communication and teamwork abilities
● Ability to work in a fast-paced environment
● Ownership mindset and attention to detail
Preferred Qualifications
● Experience with Kafka or event-driven architecture
● Exposure to AWS or cloud platforms
● Experience working in Reactive systems / high-throughput applications
● Experience working in Agile environments

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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!
Design, develop, test, and maintain scalable backend applications using Java.
Develop and maintain RESTful APIs and backend services.
Work with Spring Boot, Spring MVC, and related Java frameworks.
Design and optimize database queries and data models.
Integrate applications with internal and third-party APIs/services.
Write clean, maintainable, reusable, and well-documented code.
Troubleshoot production issues and identify root causes.
Improve application performance, reliability, security, and scalability.
Participate in code reviews and follow software engineering best practices.
Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
Contribute to application architecture and technical design decisions.
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:
- 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.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Design, develop, and maintain backend services using Java
Build scalable RESTful APIs and microservices
Work with Spring / Spring Boot frameworks
Implement business logic, data access layers, and integrations
Optimize application performance, scalability, and security
Write clean, testable, and maintainable code kafka
Perform unit and integration testing
Participate in code reviews and technical discussions
Collaborate with frontend, DevOps, and QA teams
Troubleshoot and resolve produc
Total Experience: 2+ years
Mode Of Hire: Permanent
Required Skills Set (Mandatory): Object Oriented Programming, data structures, algorithms, software design, and database systems.
Desired Skills (Good if you have): Springboot, ElasticSearch, MongoDB, MySQL, Redis, Crawling/ Web Scraping, Programming languages(Java, Python, C, C++)
Job Responsibilities
- Collaborate with Managers and other Engineers to help define, scope, and implement high-quality features that solve critical user needs.
- Break down requirements into architecture and deliver code, while keeping operational issues in mind.
- The ability to own end-to-end responsibility right from the requirement to release.
- Write clear documentation so that other engineers can jump in and get things done.
- Actively participate in design and code reviews.
- Help take Tracxn to the next level as a world-class engineering team
Job Requirements
- Experience with building backend services. Strong algorithm and CS skills.
- Experience designing and implementing large‐scale distributed systems.
- Experience with multiple programming languages (Java, Python) and data stores (MongoDB, MySQL, Redis, etc)
- Proven ability to work in a fast-paced, agile, and in ownership, and results-oriented culture.
- Strong problem-solving and analytical skills.
Culture
- Work with performance-oriented teams driven by ownership and passion.
- Learn to design systems for high accuracy, efficiency, and scalability.
- No strict deadlines focus on delivering quality work.
- Meritocracy-driven, candid culture. No politics.
- Very high visibility regarding which startups and markets are exciting globally.
About Tracxn
Tracxn (Tracxn.com) is a Bangalore-based product company providing a research and deal sourcing platform for Venture Capital, Private Equity, Corp Dev, and professionals working around the startup ecosystem. We are a team of 800+ working professionals serving customers across the globe. Our clients include Funds like Andreessen Horowitz, Matrix Partners, GGV Capital, and Large Corporations such as Citi, Embraer & Ferrero.
Founders
- Neha Singh (ex-Sequoia, BCG | MBA - Stanford GSB)
- Abhishek Goyal (ex-Accel Partners, Amazon | BTech - IIT Kanpur)
About Technology Team
Tracxn's Technology team is 50+ members strong and growing. The technology team is subdivided into multiple smaller teams, each of which owns one or more services/components of the technology platform. Ours is a young team of motivated engineers with a minimal management structure where almost everyone is actively involved in technical development and design activities. We have a team-centric culture where the ownership and responsibility of a feature or module lie with a team as compared to an individual.
We work on an array of technologies, including but not limited to Spring, Elastic Stack, Kafka, Mongo, MySQL, Redis, ReactJS, Next.js, Node, AWS Lambda, Ansible, etc.
We value ownership, continuous learning, consistency, and discipline as a team.
🚀 Senior Spring Boot Developer
Location: Indore
Company: SHJ International Tech Pvt Ltd
Industry: US Logistics
Experience: 3+ years
At SHJ International Tech Pvt Ltd, we’re not just writing code — we’re solving real-world logistics challenges for US-based clients. We’re looking for a Senior Backend Developer who thrives on problem-solving, loves working directly with customers, and wants to build custom, high-impact solutions alongside a smart and supportive team.
You’ll be joining our established backend team, collaborating closely to deliver scalable, reliable systems for mission-critical logistics operations.
💼 What You'll Do
- Build and scale backend systems using Spring Boot and Java
- Design optimized, secure, and reliable data models using MariaDB
- Develop and maintain robust REST APIs powering real-time logistics platforms
- Debug, optimize, and troubleshoot performance issues
- Engage in system design and architecture decisions that define our tech stack
- Work closely with our existing backend team and collaborate across product, DevOps, and frontend teams
- Interact directly with US-based customers to gather requirements and deliver tailored solutions
- Continuously improve code quality, performance, and reliability
👤 Who You Are
- A problem solver who thrives in fast-paced environments
- 3+ years of hands-on experience in Java backend development
- Proficient in Spring Boot, JPA/Hibernate, and MariaDB
- Confident designing schemas, optimizing queries, and tuning performance
- Comfortable with Git, REST APIs, and Agile workflows
- Bonus points if you’ve worked with Docker, CI/CD pipelines, or cloud deployments
- A strong communicator who enjoys collaborating with teammates and customers
🌟 What Sets You Apart
- You don’t just write code — you build scalable, maintainable solutions
- You take initiative, communicate clearly, and own what you build
- You’re constantly learning and always looking to improve
- You enjoy both working independently and as part of a team
- You’re comfortable being the go-to person and wearing multiple hats
🌍 Why Join Us?
- Work on high-impact logistics projects with direct customer interaction
- Be part of an experienced and collaborative engineering team
- Exposure to real-world business problems and rapid iteration cycles
- Flexible work culture built on trust, ownership, and transparency
- A place where your ideas are heard and your work makes a difference
- Career growth opportunities through leadership exposure and diverse projects
Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts
Company Overview:
Euphoric Thought Technologies is a technology-driven firm focused on building scalable software solutions for the digital enterprise. Operating at the intersection of cloud computing and enterprise software, the company develops high-performance platforms that streamline complex business operations. With a strong presence in the Bangalore tech ecosystem, Euphoric Thought Technologies supports clients across diverse sectors by delivering robust, secure, and efficient backend architectures that power modern digital experiences.
Role Overview:
As a Java Developer, you will be responsible for designing and maintaining the core backend systems that drive our client platforms. You will work closely with cross-functional product and engineering teams to translate complex business requirements into high-quality, maintainable code. Your contribution will directly impact the scalability and reliability of our services, ensuring that our end-users experience seamless performance as we continue to expand our technical footprint.
Key Responsibilities:
- Develop and maintain high-performance backend services using Java and Spring Boot to ensure system reliability for our enterprise clients.
- Design and implement scalable microservices architectures that allow for modular growth and easier maintenance of complex application features.
- Optimize database interactions and data persistence layers using Hibernate to improve application speed and resource efficiency.
- Build and expose secure RESTful web services to facilitate seamless communication between internal systems and third-party integrations.
- Deploy and manage application infrastructure on AWS to ensure high availability and fault tolerance for mission-critical business processes.
- Collaborate with engineering leads and stakeholders to troubleshoot production issues and implement performance enhancements that improve the overall user experience.
Required Skillset:
- Demonstrated expertise in Java development with 3 to 6 years of hands-on experience in building enterprise-grade applications.
- Proficiency in Spring Boot and Hibernate for developing robust backend frameworks and managing complex data models.
- Strong understanding of microservices architecture and the ability to design decoupled, scalable service components.
- Practical experience in developing and consuming RESTful web services within a distributed environment.
- Hands-on experience with AWS services for cloud deployment, monitoring, and infrastructure management.
- Excellent communication skills with the ability to articulate technical concepts to both technical and non-technical stakeholders.
- Ability to work effectively in a hybrid office environment in Bangalore, collaborating with distributed teams to meet project milestones.
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






