Java Backend Developer – Spring WebFlux

Role Overview

We are seeking a technically strong Java Support Engineer who combines solid development knowledge with a passion for support and operational excellence. The ideal candidate should have hands-on experience in Java, Spring Boot, and Angular, along with a strong understanding of application engineering concepts, and must be comfortable working in a production support environment handling incidents, troubleshooting, monitoring, and system stability.

Work Location: Hyderabad or Chennai

Key Responsibilities

· Provide L2/L3 production support for enterprise applications.

· Troubleshoot, debug, and resolve application issues within defined SLAs.

· Analyze logs, identify root causes, and implement fixes or workarounds.

· Collaborate with development teams for permanent issue resolution.

· Monitor application health, performance, and availability.

· Support deployments, releases, and environment validations.

· Perform minor code fixes and enhancements when required.

· Document issues, solutions, and support procedures.

· Participate in on-call rotations and handle incident management.

Required Skills & Qualifications

· Strong hands-on experience in Java and Spring Boot.

· Working knowledge of Angular for frontend understanding.

· Good understanding of application architecture, APIs, microservices, and debugging techniques.

· Experience with log analysis tools, monitoring tools, and ticketing systems.

· Knowledge of SQL databases and query troubleshooting.

· Familiarity with Linux/Unix environments.

· Understanding of CI/CD, release processes, and version control (Git).

· Strong analytical, problem-solving, and communication skills

JOB DESCRIPTION:

Location: mumbai, bangalore, pune

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 8 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Job Title: Devops+Java Engineer

Location: Bangalore

Mode of work- Hybrid (3 days work from office)

Job Summary: We are looking for a skilled Java+ DevOps Engineer to help enhance and maintain our infrastructure and applications. The ideal candidate will have a strong background in Java development combined with expertise in DevOps practices, ensuring seamless integration and deployment of software solutions. You will collaborate with cross-functional teams to design, develop, and deploy robust and scalable solutions.

Key Responsibilities:

• Develop and maintain Java-based applications and microservices.
• Implement CI/CD pipelines to automate the deployment process.
• Design and deploy monitoring, logging, and alerting systems.
• Manage cloud infrastructure using tools such as AWS, Azure, or GCP.
• Ensure security best practices are followed throughout all stages of development and deployment.
• Troubleshoot and resolve issues in development, test, and production environments.
• Collaborate with software engineers, QA analysts, and product teams to deliver high-quality solutions.
• Stay current with industry trends and best practices in Java development and DevOps.



Required Skills and Experience:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent work experience).
• Proficient in Java programming language and frameworks (Spring, Hibernate, etc.).
• Strong understanding of DevOps principles and experience with DevOps tools (e.g., Jenkins, Git, Docker, Kubernetes).
• Knowledge of containerization and orchestration technologies (Docker, Kubernetes).
• Familiarity with monitoring and logging tools (ELK stack, Prometheus, Grafana).
• Solid understanding of CI/CD pipelines and automated testing frameworks.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration skills.

Job Title: Senior Java Developer

Location: Mumbai (On-site)

Notice Period: Immediate Joiners Preferred / 15 Days or Less

Job Description:

We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.

Key Responsibilities:

• Lead end-to-end design, development, and deployment of Java applications
• Translate functional and technical requirements into detailed design
• Build scalable, secure, and high-performing applications
• Develop and consume RESTful APIs and ensure seamless integration
• Implement microservices architecture and containerized deployments
• Write clean, efficient, and well-documented code
• Perform code reviews, debugging, and performance tuning
• Collaborate with DevOps for CI/CD and production deployments
• Guide junior developers and conduct knowledge-sharing sessions
• Stay updated on new technologies and industry trends

Required Technical Skills:

• Languages & Frameworks:
• Core Java, J2EE
• Spring Framework (Spring Boot, Spring MVC, Spring Security)
• Hibernate / JPA
• Apache Maven / Gradle
• API Development & Integration:
• RESTful APIs, JSON, Swagger/OpenAPI
• Databases:
• MySQL, PostgreSQL, Oracle
• MongoDB, Redis (preferred)
• Frontend Exposure (Optional but Preferred):
• HTML, CSS, JavaScript, jQuery
• Angular / React
• Tools & Platforms:
• Git, GitHub / GitLab / Bitbucket
• Jenkins, Docker, Kubernetes (basic knowledge)
• SonarQube, Log4j, ELK stack (preferred)
• Cloud & DevOps (Good to Have):
• AWS (EC2, S3, Lambda, RDS), Azure or GCP
• CI/CD pipeline setup
• Architecture & Patterns:
• Microservices, MVC, Design Patterns
• Event-driven architecture (Kafka/RabbitMQ is a plus)
• Testing:
• JUnit, Mockito
• Postman, REST Assured

Soft Skills:

• Excellent problem-solving and debugging skills
• Strong communication and collaboration abilities
• Ability to lead and mentor a team
• Time management and task prioritization
• Adaptable and quick learner

Qualifications:

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 5+ years of relevant software development experience
• Relevant certifications (Oracle Java, AWS, PMP) are a plus

Eligibility Criteria:

• Must be currently residing in Mumbai
• Must be able to join within 15 days or less
• Immediate joiners preferred

• Design, develop, test and maintain backend services and APIs using Java and Spring Boot.

• Architect and implement microservices to ensure scalability and robustness of

applications.

• Create and maintain data pipelines to handle large volumes of data efficiently.

• Collaborate with cross-functional teams to gather requirements and deliver high-quality software solutions.

• Participate in code and design reviews to minimize rework and catch issues early in the process.

• Optimize and improve the performance, scalability, and reliability of our systems.

• Conduct code reviews and contribute to best practices in software development.

• Stay updated with the latest industry trends and advancements in Java and backend development technologies

Apply only to this link - https://loginext.hire.trakstar.com/jobs/fk01is7?source=" target="_blank">https://loginext.hire.trakstar.com/jobs/fk01is7?source=

LogiNext is looking for a technically savvy and experienced senior engineer to lead development efforts. You will help the team grow in size and skills, optimizing their code while working on your own. You will design, and develop the products that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving access to massive amounts of data and information.

You have hands-on experience in building secure, high-performing and scalable systems in Java. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have successfully shipped applications with beautiful front-end and intelligent backend. You have demonstrated strong interpersonal and communication skills.

Responsibilities

Co-lead end-to-end design and development efforts for high-volume, low-latency applications for real-time event based systems Lead and direct software engineers, define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of platform modules and features Deliver high-availability and high-performance platform using micro-services architecture Identify bottlenecks and inefficiencies in code, and devise solutions to production and non-production issues Keep an eye out for open source projects and technology trends that can be introduced in the products Transform business functionalities and production specifications into technical requirements and low level design Be hands-on, adopt a practical approach to software and technology Work with product management and other teams to build highly scalable products

Requirements

Bachelor’s degree in Computer Science, Information Technology or a related field 4 to 6 years of design and development experience in scalable and distributed enterprise applications using Java/J2EE, JPA, Spring boot framework and RESTful web services Experience in managing, implementing and optimizing big data stores such as MySQL, MongoDB, Elasticsearch, Redis, DynamoDB Experience in deploying applications and using various managed services provided by cloud platforms (AWS, Azure, GCP) Experience in front-end technologies HTML5, CSS3, React.js, Angular and D3.js is preferred Strong foundation in computer science, with strong competencies in data structures, algorithms and software design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership

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:

• Build data pipelines for structured/unstructured, real-time/batch, events/synchronous/asynchronous using MQ, Kafka, Steam processing using Java / Python
• Design the Data stores for Big Data systems with expertise in Cassandra, HBase
• Implementation of Indexing and Search using Elasticsearch
• Setup and Deployment of Cassandra, Elasticsearch clusters

• Strong hands-on experience with Cassandra, data modeling, data replication, clustering, indexing for handling for large data sets
• Experience with SQL, NoSQL, relational database design, and methods for efficiently retrieving data for Time Series Analytics
• Strong understanding of CQL, Data Modeling in-order to achieve highly performant data access
• Strong experience in data modeling in Cassandra to design efficient storage model to meet variety of business needs
• Should have Elasticsearch skill with significant experience working with large Elasticsearch clusters, cluster performance optimisation, capacity planning, enhancing monitoring capabilities for early issue detection, driving operational readiness and ongoing maintenance
• Strong hands-on experience of programming with Java / Python
• Ability to troubleshoot and investigate stability, performance issues