Senior Java Developer - ESB/Architect

Lead Java Developer (Spring Boot)

Job Type: Full-Time

Location: Bangalore / Hyderabad / Pune / Chennai 

Work Mode: Hybrid

Experience: 6+ Years

Key Responsibilities:

Lead the design and development of scalable backend applications using Java (Spring Boot).

Mentor and guide a team of developers to ensure high-quality deliverables.

Take ownership of solution architecture, coding standards, and design patterns.

Develop and manage RESTful APIs and integrate third-party services.

Collaborate with front-end teams, QA, and stakeholders to align technical implementation with business goals.

Oversee deployments in hybrid cloud environments in coordination with DevOps teams.

Conduct code reviews, lead design discussions, and manage agile development processes (Scrum/Kanban).

Monitor application performance and drive improvements proactively.

Troubleshoot and resolve complex software issues across systems and services.

Required Skills:

8+ years of professional experience in Java development, with at least 2 years in a lead role.

Strong hands-on expertise in Spring Boot and microservices architecture.

Working knowledge of Node.js and JavaScript/TypeScript.

Experience with REST APIs, SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB).

Familiar with CI/CD pipelines, Git, and modern DevOps practices.

Proven ability to lead distributed teams and manage deliverables in a remote/hybrid work setup.

Strong communication, leadership, and problem-solving skills.

Note: Apply only if you have worked minimum of 2 years  in your current organisation 

Basic Qualifications

• Bachelor’s degree in Engineering with specialization in Computer science or related field
• 5+ years of experience as a software engineer in a product development setting
• Love of technology and experience with one or more programming languages from Java, Python, or Go
• Experience in full-stack development including designing APIs and integration patterns, implementing security, implementing frameworks for Unit and End-to-End testing
• Experience with micro-services architecture
• Experience in one or more frameworks like Spring, GRPC, Flask, etc.
• Extensive experience in a test-driven development environment
• Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
• Ability to grasp new technologies and use them effectively to create industrial-strength software.
  
  

Preferred Qualifications

• Good communication skills. You can communicate well in the English language with product managers, your team members, and external stakeholders, to understand their needs and convey yours, in a clear, precise manner - verbally, or in writing. 
• Strong collaboration skills. You have demonstrated the ability to work with both - senior & junior technical professionals and get work done. You quickly earn the trust of the people you work with. People enjoy and have fun working with you.
• Deadline oriented. You understand that deadlines are meant to be met. Challenges will surface, and obstacles and roadblocks will cause delays, but you plan for them in advance and still ship your features on time to meet your commitments.
• Bias for action. Your default setting is to take action, and not wait for things to happen. You love to learn about new technologies and advancements in the software industry.

Job Title: Java Fullstack Developer (with Angular Experience)

Location: Mumbai, India

Experience: 8 to 12 Years

Company: Wissen Technology

Job Description:

Wissen Technology is seeking a highly skilled and experienced Java Fullstack Developer with a strong background in Angular to join our dynamic team in Mumbai. The ideal candidate will have a passion for technology, a strong analytical mindset, and the ability to work collaboratively in a fast-paced environment.

Key Responsibilities:

- Design, develop, and maintain robust and scalable web applications using Java and Angular.

- Collaborate with cross-functional teams to define, design, and ship new features.

- Write clean, maintainable, and efficient code.

- Ensure the performance, quality, and responsiveness of applications.

- Identify and correct bottlenecks and fix bugs.

- Help maintain code quality, organization, and automation.

- Conduct code reviews and provide constructive feedback to team members.

- Stay up-to-date with the latest industry trends and technologies.

Requirements:

- Bachelor’s degree/Master’s Degree in Computer Science, Information Technology, or a related field.

- 8 to 12 years of hands-on experience in fullstack development with Java and Angular.

- Proficiency in Java, Spring Boot, and RESTful APIs.

- Strong experience with Angular and front-end development (HTML, CSS, JavaScript/TypeScript).

- Knowledge of databases such as SQL Server, PostgreSQL, Oracle, or similar.

- Experience with version control systems (Git, SVN, etc.).

- Familiarity with Agile/Scrum methodologies.

- Strong problem-solving skills and a keen attention to detail.

- Excellent communication and teamwork skills.

- Ability to work independently and manage multiple tasks effectively.

Why Join Wissen Technology:

- Competitive salary and benefits package.

- Opportunity to work with cutting-edge technologies.

- Collaborative and inclusive work environment.

- Continuous learning and professional development opportunities.

- Chance to work on exciting and challenging projects.

Join Wissen Technology and be a part of a team where innovation meets excellence! Share this opportunity with colleagues and friends who might be interested.

Website: [www.wissen.com](http://www.wissen.com)

LinkedIn: [https://lnkd.in/gnK-vXjF](https://lnkd.in/gnK-vXjF)

Required Skills

• Extensive senior level full-stack software development experience with Node.js (2 or more years) with detailed understanding of user interface frameworks, back-end software architecture interactions and node module capabilities.
• Two or more years' experience with one or more JavaScript frameworks/technologies such as Express.js, Angular.js, React.js, MobX or Flux.js.
• Strong development experience with developing RESTful Web Services using Node.js.
• Comprehensive knowledge of Scrum and Kanban Agile development process and ceremonies including scrums, planning events, backlog grooming, retrospectives and demos.
• Complex programming, program debugging, data analysis, problem analysis and resolution of issues within open source applications.
• Strong communication and collaborative skills in providing technical direction and hands-on software development to include design, development and testing.

Desired Skills

• Client development experience with HTML, DHTML, CSS, JavaScript
• Experience with other JavaScritpt frameworks such as Express, Restify, Hapi, Sails, JOI, and Kinex.
• Javascript experience with ECMAScript2015 (ES6), ECMAScript2016 (ES7) or Bable compiler.
• Operating System and Infrastructure experience with Linux, Windows 7, Unix, Solaris, JMS, OOD, CVS.
• Experience with VersionOne Application Lifecycle Management Tools
• Experience with Jenkins and Continuous Integration.
• Standards & Protocols knowledge including XML, XSLT, WSDL, JSON.
• Experience with Testing Tools including Mocha, Chai, Sinon, Supertest, Enzyme, Instanbul, Selenium, Load Runner, JSLint and Cucumber.
• Experience with source code versioning and Pull Requests with Git and Stash.
• Experience with IDEs such as Sublime and Atom.
• Knowledge of SonarCube, Phabricator, Gerritt, Karma, Jasmine
• Knowledge of projects using SAFe methodology.
• Experience with DevOps processes and implementation.
• Experience with environments utilizing Cloud Technologies such as Amazon Web Services.
• Experience with NGiNX web server.

**Responsibilities:**

- Lead the backend development team, providing mentorship and guidance to junior developers.

- Design, develop, and maintain robust backend systems using Node.js and NestJS with TypeScript.

- Implement event sourcing and message queue solutions using technologies such as Kafka or RabbitMQ.

- Utilize strong PostgreSQL knowledge to design, optimize, and manage databases effectively.

- Implement DevOps practices and tools to ensure continuous integration and delivery (CI/CD), containerization with Docker, and orchestration with Kubernetes.

- Collaborate closely with frontend developers to integrate backend services with user interfaces seamlessly.

- Lead and contribute to architectural discussions and decisions to ensure scalability, reliability, and performance of our systems.

- Troubleshoot and resolve technical issues promptly, demonstrating strong analytical and problem-solving skills.

**Requirements:**

- Bachelors or Masters degree in Computer Science, Engineering, or a related field.

- 5+ years of experience in software development, with a significant focus on backend technologies.

- Proven leadership experience as a team lead or senior developer, with a track record of mentoring junior developers and leading successful projects.

- Profound expertise in Node.js and NestJS with TypeScript.

- Experience with event sourcing and message queues (e.g., Kafka, RabbitMQ).

- Strong knowledge of PostgreSQL, including database design, optimization, and management.

- Solid understanding of DevOps practices and tools (CI/CD, Docker, Kubernetes, AWS/GCP/Azure).

- Ability to collaborate effectively with cross-functional teams, including frontend developers.

- Strong analytical skills and problem-solving abilities.

- Excellent communication and leadership skills.

What are we looking for:

● Good problem solving skills.

● Strong knowledge of CS fundamentals, data structures.

● Experience working in software development with one or more of the following programming languages: Java, Go, Scala, Python, C/C++.

● Strong understanding of relational and non-relational databases (MySql, Postgresql, MongoDB, Cassandra).

● Experience in working with distributed caching (Memcached, Redis, or comparable technology).

Experience in working with distributed messaging technologies like RabbitMQ, Kafka etc.

● Ability to design and implement low latency RESTful services.

● Experience with microservices and web application/services development. 

•  4-8 years of relevant experience in designing & developing and architecting systems/software
• for large business environments (Java, J2EE).
• • Strong design and coding skills in Enterprise Java, Hibernate, Spring, Spring Boot, REST web
• services, JMS (ActiveMQ), XML, JSON.
• • Must have good experience in Unix/Oracle/SQL.
• • Experience in any communication framework (MQ) is an added advantage.
• • Experience in Agile Development, Scrum, and Iterative approaches
• • Participate in requirement gathering JAD sessions and support documentation