Engineering Manager

🧠 Job Description: Senior Java Developer (8+ Years Experience)

Location: Mumbai, India

Employment Type: Full-time, Hybrid mode of working

Company: Wissen Technology

Website: www.wissen.com

🚀 About Wissen Technology

Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.

• 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
• 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
• 🏆 Great Place to Work® Certified
• 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
• 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
• 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies

Learn more about our work and thought leadership:

📄 Articles by Wissen | 💼 LinkedIn

About the Role

We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain complex applications using Core Java and Spring frameworks
• Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
• Implement and optimize multithreaded applications for high-performance systems
• Work with SQL databases for efficient data modeling, query optimization, and integration
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
• Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
• Mentor junior developers and contribute to technical knowledge sharing within the team
• Ensure application scalability, performance tuning, and security compliance

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 8+ years of professional experience in Java development
• Strong expertise in Core Java, OOPS, and Multithreading
• Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
• Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
• Solid understanding of software development life cycle (SDLC) and Agile methodologies
• Strong analytical, problem-solving, and communication skills

🌟 Why Wissen?

Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

Department: S&C – Site Reliability Engineering (SRE)  

Experience Required: 4–8 Years  

Location: Bangalore / Pune /Mumbai 

Employment Type: Full-time

• Provide Tier 2/3 technical product support to internal and external stakeholders. 
• Develop automation tools and scripts to improve operational efficiency and support processes. 
• Manage and maintain system and software configurations; troubleshoot environment/application-related issues. 
• Optimize system performance through configuration tuning or development enhancements. 
• Plan, document, and deploy applications in Unix/Linux, Azure, and GCP environments. 
• Collaborate with Development, QA, and Infrastructure teams throughout the release and deployment of lifecycles. 
• Drive automation initiatives for release and deployment processes. 
• Coordinate with infrastructure teams to manage hardware/software resources, maintenance, and scheduled downtimes across production and non-production environments. 
• Participate in on-call rotations (minimum one week per month) to address critical incidents and off-hour maintenance tasks. 

Key Competencies 

• Strong analytical, troubleshooting, and critical thinking abilities. 
• Excellent cross-functional collaboration skills. 
• Strong focus on documentation, process improvement, and system reliability. 
• Proactive, detail-oriented, and adaptable in a fast-paced work environment. 

Job Title: MERN Stack Developer (Node.js & React.js Expert)

Experience: 5 – 7 Years

Location: Bangalore

Work Mode : Hybrid

Employment Type: Full Time

Job Summary:

We are seeking a highly skilled MERN Stack Developer with a strong background in Node.js and React.js to join our dynamic team. The ideal candidate should have 5–7 years of hands-on experience building scalable, secure, and high-performance web applications. You will play a critical role in the architecture, design, development, and deployment of end-to-end solutions using the MERN stack.

Key Responsibilities:

• Design, develop, and maintain full-stack applications using MongoDB, Express.js, React.js, and Node.js
• Build RESTful APIs and ensure integration with front-end components
• Optimize components for maximum performance across a vast array of web-capable devices and browsers
• Write clean, modular, and reusable code with proper documentation and testing
• Troubleshoot and debug issues across the stack
• Collaborate with UI/UX designers, product managers, and other developers to deliver high-quality products
• Participate in code reviews, architectural discussions, and continuous improvement of development processes
• Ensure secure coding practices and compliance with best standards
• Manage deployments and maintain CI/CD pipelines

Required Skills and Qualifications:

• 5–7 years of professional experience in full-stack web development with a focus on Node.js and React.js
• Deep understanding of JavaScript, ES6+, and asynchronous programming
• Strong experience in building scalable backend services using Node.js and Express
• Proficient in building rich UI components using React.js, Redux/Context API, and modern front-end tooling (Webpack, Babel, etc.)
• Experience with MongoDB and Mongoose, and understanding of NoSQL database design
• Hands-on experience with API design, JWT/Auth, and third-party integrations
• Familiarity with Git, Docker, and modern DevOps practices
• Knowledge of performance optimization and security best practices
• Experience with testing frameworks (Jest, Mocha, Cypress, etc.)

Nice to Have:

• Exposure to TypeScript
• Experience with GraphQL
• Familiarity with cloud platforms like AWS, Azure, or GCP
• Knowledge of CI/CD tools like Jenkins, GitHub Actions, etc.

Note : Immediate & Serving Notice period candidates are prefered

Who we are looking for

A candidate who can design, build and configure applications to meet business process and application requirements.

Key Role Requirements:

• Experience in Java-J2EE Development
• Hands-on experience in Struts (Core Java, JSP, Servlets, EJB) framework.
• Hands-on experience in Oracle SQL, Procedures
• Hands-on experience in Spring boot, Spring batch
• Should have worked on application servers like IBM WAS / Jboss / Web logic.
• Knowledge of basic Linux commands and BIRT reporting tool is an added advantage.
• Knowledge in SVN or any other version control is an added advantage.
• Knowledge in Build tool like ANT, Maven is an added advantage
• Strong problem solving and analytical capabilities.

Responsibilities:

1. Identify and research new business opportunities and potential clients.
2. Support the implementation of business development and marketing strategies.
3. Conduct market research to understand trends, competitors, and customer needs.
4. Generate leads through various channels, including email, phone, social media, and events.
5. Collaborate with sales and marketing teams to create engaging content and promotional materials.
6. Attend business meetings, conferences, and events to network with potential clients.
7. Maintain accurate records of business development and marketing activities.
8. Provide regular progress reports and updates to the team.
9. Stay up-to-date with industry trends and best practices.

Qualifications:

• Pursuing or recently completed a degree in Business, Marketing, Sales, or a related field.
• Ability to work independently and within a team in a fast-paced environment.
• Strong organizational skills with the ability to prioritize and manage multiple tasks.
• Proficient in Microsoft Office Suite; familiarity with CRM software is a plus.

Roles and responsibilities

• • Develop well-designed, performant and scalable microservices
  • Write reusable, testable, and efficient code that follow software development best practices
  • Integrate data storage solutions including databases, key-value stores, blob stores, etc.
  • Expose business functionality to frontend/mobile applications and partner systems through secure and scalable APIs.
  • Build integrations with 3rd party applications through apis’ to ingest and process data
  • Ensure security and data protection aspects within the applications
  • Contribute to devops by building CD/CI pipelines to automate releases
  • Ensure high performance and availability of distributed systems and applications
  • Interact directly with client project team members and operational staff to support live customer deployments and production issues.

• 4+ years of experience in developing applications using Scala and related technologies.
• Thorough understanding of multithreading concepts and async execution using Actor model.
• Thorough understanding of Play framework, GraphQL and GRPC technologies.
• Experience in using DAL and ORM (Object Relational Mapper) libraries for data access.
• Experiencing in developing and hosting APIs and integration with external applications.
• Experience in building data models and repositories using relational and NoSql databases.
• Knowledge of JIRA, Bitbucket and agile methodologies.
• Good to have knowledge of AWS services like Lambda, dynamodb, kinesis and others.
• Understanding of fundamental design principles behind a scalable application.
• Familiarity with event-driven programming and distributed architectures.
• Strong unit test and debugging skills
• Affinity for learning and applying new technologies and solving new problems
• Effective organizational skills with strong attention to detail
• Experience in working with docker is a plus
• Comfortable in working with Unix/Linux environment
• Strong communication skills — both written and verbal