
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Position-Tech Lead
Experience: 8-10
Job Location: Pune
We are seeking a highly skilled Tech Lead with strong expertise in Java, microservices architecture, and cloud-native application development. The ideal candidate will bring hands-on leadership experience in designing scalable solutions, guiding development teams, and collaborating with DevOps engineers on OpenShift (OCP) platforms. This role requires a blend of technical leadership, solution design, and delivery ownership.
Key Responsibilities
Lead the design and development of Java / Spring Boot based microservices in a cloud-native environment.
Provide technical leadership to a team of developers, ensuring adherence to coding, security, and architectural best practices.
Collaborate with architects and DevOps engineers to deploy and manage microservices on Red Hat OpenShift (OCP).
Oversee end-to-end delivery including requirement analysis, design, development, code review, testing, and deployment.
Define and implement API specifications, integration patterns, and microservices orchestration.
Work closely with DevOps teams to integrate CI/CD pipelines, containerized deployments, Helm, and GitOps workflows.
Ensure application performance, scalability, and reliability with proactive observability practices (Grafana, Prometheus, etc.).
Required Skills & Qualifications
8-10 years of proven experience in Java application development with at least 4+ years in microservices architecture.
Strong expertise in Spring Boot, REST APIs, JPA/Hibernate, and messaging frameworks (Kafka, RabbitMQ, etc.).
Hands-on experience with containerization (Docker) and orchestration (OpenShift/Kubernetes).
Familiarity with OCP DevOps practices including CI/CD (ArgoCD, Tekton, Jenkins), Helm, and YAML deployments.
Good understanding of observability stacks (Grafana, Prometheus, Loki, Alertmanager) and logging practices.
Solid knowledge of cloud-native design principles, scalability, and fault tolerance.
Exposure to security best practices (OAuth, RBAC, secrets management via Vault or similar).
Key Responsibilities
- Frontend Development: Designing and building responsive, interactive user interfaces using React.js, HTML5, CSS3, and modern JavaScript (ES6+).
- Backend Development: Developing robust, scalable server-side applications and microservices using Java and the Spring Boot framework.
- API Integration: Creating and consuming RESTful APIs to ensure seamless communication between the React frontend and the Java backend.
- Database Management: Designing and optimizing database schemas and queries using SQL (e.g., MySQL, PostgreSQL, Oracle) or NoSQL (e.g., MongoDB) databases.
- State Management: Managing application state in React using tools like Redux, Hooks, or Context API.
- Testing & Quality Assurance: Writing unit and integration tests using frameworks such as JUnit for backend and Jest or React Testing Library for frontend.
- DevOps & Deployment: Collaborating on CI/CD pipelines and using containerization tools like Docker and Kubernetes for application deployment.
- Indeed
- +14
Required Skills & Qualifications
- Core Technical Skills:
- Deep proficiency in Java (8+) and the Spring ecosystem (Spring Boot, Spring Security, Spring Data JPA).
- Expertise in React.js workflows, component-based architecture, and hooks.
- Strong understanding of Microservices architecture and cloud platforms (AWS, Azure, or GCP).
- Experience & Education:
- Typically requires a Bachelor's degree in Computer Science or a related field.
- Proven experience (often 1–5+ years depending on seniority) in full-stack development.
- Tools: Version control systems like Git, build tools like Maven or Gradle, and Agile project management tools like Jira.
- Indeed
- +13
Typical Salary Ranges (India)
- Freshers: ₹3.8 Lakh to ₹12 Lakh per year.
- Experienced (5+ years): ₹18 Lakh to ₹30 Lakh+ per year.
- Average (General): Approximately ₹29 Lakh per year for high-demand specialized roles.
Skills Required:
- 4+ years of technical experience in a developer role
- Strong proficiency with Core Java
- Database experience preferably with DB2, Sybase, or Oracle
- Complete SDLC process and Agile Methodology (Scrum)
- Strong oral and written communication skills
- Excellent interpersonal skills and professional approach
- Bachelor’s degree in Computer Science, MIS, or other technology/engineering discipline
Skill Desired:
-Strong proficiency with Scala on Spark
- Previous experience in front office and back office reports
- Strong understanding Order Life Cycle management from Equities or Listed derivatives perspective
- Previous experience in Trade Surveillance or working with data from the order lifecycle
- Good to have knowledge on Hadoop Technologies
- High quality software architecture and design methodologies and patterns
- Work experience as level-3 support for applications
- Layered Architecture, Component based Architecture
- XML-based technologies
- Unix OS, Scripting, Python or Perl
- Experience in development on other application types (Web applications, batch, or streaming)
Job Title: Java Developer - Immediate Joiners Only
Recro, a leading software development company, is currently seeking a skilled and motivated Java Developer to join our team. If you have a minimum of 3 years of experience in Java development and are eager to work on exciting projects, we encourage you to apply for this opportunity.
Responsibilities:
- Collaborate with a team of talented developers to design, develop, and maintain high-quality Java-based applications.
- Write clean, efficient, and maintainable code, adhering to industry best practices and coding standards.
- Analyze requirements provided by product managers and technical leads and translate them into technical specifications.
- Conduct thorough code reviews, identify and address performance bottlenecks, and ensure the overall reliability and scalability of the software.
- Troubleshoot and resolve issues related to Java applications, identifying root causes and implementing effective solutions.
- Stay up-to-date with the latest trends and advancements in Java development to continuously enhance our software offerings.
- Ensure timely project delivery and maintain a high level of code quality throughout the development lifecycle.
- Collaborate with cross-functional teams to ensure smooth integration of different software components.
Requirements:
- Minimum 3 years of professional experience as a Java Developer, with a proven track record of delivering successful projects.
- Strong proficiency in Java programming language and associated frameworks.
- Hands-on experience with Spring and Spring Boot frameworks.
- Familiarity with web services, RESTful APIs, and microservices architecture.
- Excellent understanding of object-oriented design principles and software development patterns.
- Proficient in database design and SQL queries, with experience in working with popular databases.
- Strong problem-solving skills and the ability to think critically to develop innovative solutions.
- Self-motivated and detail-oriented, with the ability to work both independently and as part of a team.
- Excellent communication skills to effectively collaborate with team members and stakeholders.
- Must be willing to work from our office location [mention office location] on a full-time basis.
If you are a Java Developer looking for a new opportunity to showcase your skills and contribute to exciting projects, apply now to join the talented team at Recro. Immediate joiners are preferred, and we look forward to reviewing your application.
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Whom are we looking for?
Our groundbreaking technology, requires highly skilled and talented Web Backend Developers to understand the depth of the problem and device a solution for it.
We are seeking a Software Engineer, with a depth of experience in developing Web Applications enabled using REST APIs backed by a data warehouse solution, to join our growing company and be a part of our success story. We are looking for individual with great attention to detail, who is genuine, confident, committed and not only passionate about technology, but excited to work in a fun and friendly start-up environment. The ideal candidate will be passionate about technology and getting things to work while at the same time being able to mentor (and lead) other engineers by way of example to achieve excellence in their work.
What does the role involve?
As a Web Backend Software Engineer you will be responsible for creating REST APIs which are used to drive the User Interface. Given the nature of the application, these APIs needs to be very efficient and high performing. This requires optimising queries for faster execution and introducing database changes that may be required.
You would be working with a complex technology stack which includes (but is not limited to) Spring, Hibernate, HornetQ, Quartz, etc. This requires extensive understanding of transaction management and data handling across different application layers.
In addition to the technical ownership, you will also be involved in detailing requirements for requested functionalities and be responsible for providing technical insight into how requirements will be implemented and made available to users. Accurate estimation of tasks and planning are qualities we look for in our engineers.
Responsibilities include:
Develop, test, implement and maintain application software
Take part in software and architectural development activities
Transform requirements into implementation details
Debug application issues and helping support respond to client queries
Participate in application development meetings
Provide accurate estimates, clearly communicate status of tasks and identification of risks
Commitment to accomplishing the task at hand and identify the fastest and most reliable way to solve a problem
Performance tuning of application code at different service levels
Incorporate design changes to improve performance of the application
Interact with customers of the application and help address issues reported
Interact with customers of the application and collect requirements or potential uses cases and draft technical and user requirements
ESSENTIAL SKILLS / EXPERIENCE REQUIRED:
Minimum Bachelor's degree in Computer Science or equivalent
Minimum 2+ years experience with Java and J2EE/Java EE
Minimum 2+ years experience with Spring MVC, Spring Security and Hibernate
Strong understanding of relational database and normal forms
Strong understanding of SQL concepts and ability to write optimised and high performing queries
Strong understanding of Java concurrency, concurrency patterns, experience building thread safe code
Experience building RESTful web services
Experience with web application servers like JBoss
Strong written and verbal communication skills
Strong interpersonal skills and time management skills
Strong problem solving and analytical skills
Experience using task tracking systems e.g. Jira and distributed version control systems e.g. Git
DESIRABLE SKILLS / EXPERIENCE:
Understanding of testNg/JUnit
Unix/Windows shell and related command line tools
Experience in Continuous Integration and deployment tools such as Jenkins
Experience with database partitioning and column Indexing
Experience with query optimisation techniques
Why work for us?
Above market remuneration
Stimulating challenges that fully utilise your skills
Work on real-world technical problems to which solution cannot simply be found on the internet
Working alongside other passionate, talented engineers
Hardware of your choice
Our fast-growing company offers the potential for rapid career progression
Click Here to apply: https://hire.withgoogle.com/public/jobs/blueoptimacom/view/P_AAAAAAEAAADLjl0iWO3_0a?trackingTag=cutshort
Software Engineer - II (Backend)
As a Software Engineer – II, you'll bring a good understanding of design and coding practices and apply these independently in development. In this role - you could expect to:
- Own the lifecycle of a feature from requirement analysis to deployment and post production processes
- Perform code reviews and support your team implement best practices
- Explore trade off's on module designs
- Continuously improve performance metrics of modules owned. Performs RCAs and deploys long term fixes.
- Implement initiatives that improve engineering efficiency and excellence
- Participate in the hiring and interview process for junior developers on your team
Responsibilities / Requirements:
● Be hands-on implicated in the design and implementation of NestJs REST APIs.
● Work with DevOps engineers to scale and optimise NestJs micro-services.
● Must have an excellent understanding of how the web works.
● Extensive knowledge of OOP, Design Patterns, and SOLID Principles.
● Familiar with modern engineering practices: coding standards, code reviews, continuous deployment, automated testing.
● Must be willing to constantly learn new things.
● Knowledge of algorithms and data structures.
Technologies:- • Nestjs • TypeScript 3. MySQL • Docker • Kafka
Knowledge of NestJS would be preferable.
Requirements
- Experience in open source technologies - Solr, Redis, Kafka
- Exposure to building & managing applications in Amazon Webservices (AWS)
- Experience in security, scalability & performance aspects of solution
- Critical Skills: 1. Java / J2EE, Spring, PostGreSQL 2. Nginx, Tomcat 3. Developing REST webservices
Desired Skills and Experience











