Backend Engineer – Java Modernization & Application Remediation

Java Backend

5+ , 25lpa

Bangalore

java 17+ , springboot , kafka , agile , Oracle

Email: revathi.r @ vysystems. com

Call/WhatsApp: 6 3 8 5 0 7 6 1 4 2

INTERESTED CANDIDATE SHARE YOUR CV IN MAIL OR WHATSAPP

Role – Java Backend Developer

Experience: 7–10 Years

Location: Bangalore

Job Description:

We are looking for an experienced Java Backend Developer with strong hands-on experience in building scalable, high-performance backend applications.

Candidates should have expertise in Java 8+, Spring Boot, Microservices, multithreading, concurrency, and transaction management. Experience in REST APIs, Kafka/RabbitMQ, SQL, Spring Transactions, JPA/JDBC, and distributed systems is required.

Strong understanding of system design, performance optimization, scalability, and fault-tolerant applications is expected.

Mandatory Skills: Java 8+, Spring Boot, Microservices, Multithreading, Concurrency, Transaction Management, SQL, Kafka/RabbitMQ.

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

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

Senior Backend Developer – Java

Location: Mohali

Experience: 5+ Years

Looking for an experienced Senior Backend Developer with strong expertise in Java, Spring Boot, and microservices development.

Key Skills Required:

• Strong proficiency in Java, Spring Boot & Microservices
• Hands-on experience with Apache Kafka and MySQL
• Expertise in REST APIs, Docker, Kubernetes & Helm
• Knowledge of JWT, OAuth2, Firebase/FCM and CI/CD pipelines
• Experience with Agile/Scrum, code reviews, and production support
• Excellent communication, problem-solving, and ownership skills

Role Type

Backend Engineering (Java + Distributed Systems/API)

Role Summary

We are looking for an experienced Java Backend Engineer who has strong hands-on expertise in multithreading (concurrency), distributed systems, transactional processing, and backend design. The role requires someone who can design, develop, and optimize services running in high-volume, low-latency enterprise environments.

Key Responsibilities

· Design and implement scalable backend services using Java (8/11/17) and Spring Boot.

· Build high-performance systems leveraging multithreading, concurrency controls, and asynchronous programming.

· Work on distributed system components such as messaging, caching, service discovery, and consistency models.

· Implement robust transaction handling using ACID principles, isolation levels, distributed transactions, and rollback mechanisms.

· Develop RESTful and event-driven APIs following best practices for security and reliability.

· Participate in architecture discussions, design reviews, and technical planning.

Must-Have Skills

· Strong Java 8+ (Streams, functional programming, Collections)

· Spring Boot, Spring MVC, Spring Data

· Concurrency & multithreading (executor frameworks, locks, synchronization, concurrent collections)

· Transaction handling: JPA/JDBC, Spring transactions, isolation levels

· Distributed systems: microservices communication, Kafka/RabbitMQ, caching, resilience patterns

· System design: scalability, load balancing, fault tolerance

🚀 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
• 
  

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

Role Overview

We are looking for a Senior and Lead Java Backend Engineer with strong experience in Apache Kafka and Kafka Streams, along with Java, Spring Boot, and Microservices. The candidate will build and support scalable, event-driven backend applications and work with containerization and cloud technologies.

Required Skills

Java

Spring Boot

Microservices architecture

Apache Kafka — topics, partitions, producers, consumers, and message-processing guarantees

Kafka Streams — stream processing, joins, windowing, and stateful aggregations

Docker

Kubernetes

AWS

Key Responsibilities

Develop and maintain backend services using Java, Spring Boot, and Microservices.

Build and support event-driven applications using Apache Kafka and Kafka Streams.

Design and maintain Kafka topics, partitions, producers, and consumers based on application needs.

Implement stream-processing logic, including joins, windowing, and aggregations.

Troubleshoot performance, reliability, and message-processing issues in distributed applications.

Package and deploy applications using Docker and Kubernetes, and support deployments on AWS.

Collaborate with engineering teams to deliver reliable, scalable backend solutions.

This job is Remote India only

Job Title: Software Engineer / Senior Software Engineer – Java Backend

Experience: 5–10 Years

Location: Pune (Baner) – Work from Office (5 Days a Week)

About the Role :

We are looking for passionate Java Backend Engineers to build highly scalable, high-performance enterprise applications used by millions of users globally. The ideal candidate should have strong experience in Java, Microservices, Payment Gateway integrations, and Checkout platform development, with a product engineering mindset.

Candidates from FinTech, E-commerce, Payments, or Product-based companies will be preferred.

Key Responsibilities :

Design, develop, and maintain scalable backend applications using Java and Microservices.

Build secure, high-performance REST APIs and distributed services.

Develop and enhance Checkout platforms and Payment Gateway integrations for seamless payment processing.

Collaborate with Product, Architecture, QA, and DevOps teams throughout the SDLC.

Participate in system design, architecture discussions, and technical decision-making.

Ensure high code quality through unit testing, code reviews, and engineering best practices.

Build and support CI/CD pipelines and containerized deployments.

Troubleshoot production issues, optimize performance, and improve application reliability.

Mentor junior engineers and contribute to engineering excellence.

Required Skills :

5–10 years of backend development experience.

Strong expertise in Java, Spring Boot, Spring MVC, Hibernate/JPA.

Hands-on experience with Microservices Architecture.

Experience building RESTful APIs.

Strong knowledge of SQL/NoSQL databases.

Experience with Payment Gateway Integration (Stripe, Adyen, Razorpay, Worldpay, PayU, Checkout.com, etc.).

Hands-on experience developing Checkout and Payment Processing workflows.

Understanding of Payment Lifecycle, including Authorization, Capture, Refunds, Settlement, Webhooks, and Transaction Management.

Experience with Docker, Kubernetes, and containerized applications.

Good understanding of CI/CD pipelines using Jenkins or similar tools.

Familiarity with Git, Agile methodologies, and engineering best practices.

Strong problem-solving and debugging skills.

Preferred Skills :

Experience working in FinTech, Payments, E-commerce, or Product-based organizations.

Exposure to Cloud Platforms (GCP/AWS/Azure).

Experience with Kafka or event-driven architecture.

Knowledge of OAuth2, JWT, Keycloak, or similar authentication mechanisms.

Experience with Monitoring & Observability tools (Grafana, Prometheus, ELK, Splunk).

Performance tuning and scalability optimization experience.

Preferred Background :

Candidates from FinTech, Digital Payments, Banking Products, E-commerce, or Product Engineering companies.

Experience working on high-volume transaction systems handling secure payment processing and checkout experiences.