Principal Engineer - Java

Job Description :

Position : Full Stack Developer (Python + React.js)

Location : Gurgaon (Work From Office, 6 days a week)

Employment Type : Full-Time

Role Overview :

We are seeking a highly skilled and motivated Full Stack Developer with expertise in Python and React.js to join our dynamic team in Gurgaon. The ideal candidate will have a strong foundation in backend and frontend development, a passion for building scalable applications, and the ability to thrive in a collaborative environment.

Key Responsibilities :

• Design, develop, and maintain scalable web applications using Python for the backend and React.js for the frontend.
• Build RESTful APIs and integrate third-party APIs to enhance application functionality.
• Collaborate with cross-functional teams, including designers and other developers, to deliver robust software solutions.
• Optimize applications for maximum speed, scalability, and responsiveness.
• Write clean, maintainable, and testable code following industry best practices.
• Debug and resolve technical issues across the stack.
• Stay updated with emerging technologies and contribute to improving existing development processes.

Required Skills and Qualifications :

• Experience: 3+ Years of professional experience as a Full Stack Developer.
• Backend Expertise: Strong proficiency in Python (Django/Flask/FastAPI).
• Frontend Expertise: In-depth knowledge of React.js, HTML5, CSS3, and JavaScript (ES6+).
• Database Management: Experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB).
• Version Control: Proficiency in using Git for version control.
• Development Practices: Familiarity with Agile methodologies, CI/CD pipelines, and test-driven development (TDD).
• Problem-Solving: Strong analytical and problem-solving skills.
• Communication: Excellent communication and teamwork skills.

Preferred Qualifications

• Experience with Docker, Kubernetes, or cloud platforms such as AWS, GCP, or Azure.
• Familiarity with GraphQL and WebSockets.
• Knowledge of UI/UX design principles.

What We Offer

• Competitive salary package.
• Opportunity to work on exciting and challenging projects.
• Collaborative and inclusive work environment.
• Career growth and skill development opportunities.

Design, develop, and maintain high-quality software solutions using programming

languages such as Java.

Implement backend services using frameworks like Spring Boot and frontend

interfaces using frameworks like React.

Apply deep knowledge of algorithms and data structures to solve complex problems

efficiently.

Optimize code for performance, scalability, and reliability.

Work with SQL and NoSQL databases to design, implement, and manage data storage

solutions.

Ensure data integrity and optimize database queries.

Leverage open-source tools and frameworks to develop scalable and maintainable

solutions.

Stay updated on the latest trends in open-source technologies.

Utilize Linux systems for development and deployment.

Automate and streamline processes using Linux tools and scripts.

Develop and maintain mobile applications that align with user requirements and

business goals.

Collaborate with cross-functional teams to ensure seamless integration with backend

systems.

Work closely with product managers, designers, and other engineers to bring ideas to

life.

Participate in code reviews, testing, and debugging to ensure high-quality

deliverables.

Experience: 8-15 Years

Qualification: BE / B. Tech 

Location: Pune, Remote

Technical Know -How: React.js/ReactJs, Java Spring Boot, Spring Framework, Java Spring developers, Rest API, Microservices, front end and Back-end technologies etc.

Key Responsibilities

• Work with team of Java & Springboot Developers in the design, development, and maintenance of applications.
• Work with business stakeholders and technical teams to gather and analyze requirements for Java & Springboot applications.
• Lead a team of developers in building scalable, secure, and high-performance applications using React and Spring Boot.
• Drive end-to-end ownership of application development including requirement analysis, design, coding, testing, and deployment.
• Collaborate with product owners, architects, and cross-functional teams to define and deliver high-quality solutions.
• Ensure adherence to coding standards, best practices, and agile development methodologies.
• Mentor and guide team members, conduct code reviews, and encourage technical excellence.
• Oversee application performance tuning, debugging, and troubleshooting in production and non-production environments.
• Participate in architectural discussions and contribute to technology roadmaps.

Required Skills & Experience

• Bachelor’s degree in computer science, computer engineering or similar.
• Excellent communication skills.
• Critical thinker and good problem-solver.
• 8–15 years of overall software development experience, with at least 3 + years in a lead/mentorship role.
• Strong proficiency in React.js, JavaScript/TypeScript, HTML5, CSS3, Redux, and related libraries/frameworks.
• Solid backend development experience using Spring Boot, Spring Security, REST APIs, and Microservices architecture.
• Strong understanding of Test Driven Development ( Junit)
• Write efficient and well-structured code to implement business logic and functionality on the Java platform.
• Perform unit testing and debugging to ensure the quality and reliability of developed applications.
• Maintain and enhance existing Java & Springboot applications by troubleshooting issues, implementing bug fixes, and optimizing performance.
• Strong understanding of RDBMS/NoSQL databases (e.g., MySQL, MongoDB / Azure Cosmos DB).
• Experience with cloud platforms (AWS / Azure / GCP) and containerization (Docker, Kubernetes).
• Proficiency in version control (Git), CI/CD pipelines, and DevOps practices.
• Strong problem-solving skills, debugging expertise, and performance optimization experience.
• Excellent communication and leadership skills with the ability to drive technical discussions
• Good knowledge of security best practices (OAuth2, JWT, SSO, etc.).
• Good to have experience with message brokers (Kafka, Azure Service Bus).

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.

Description

We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications. You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing. Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.

Responsibilities

·      Contribute in all phases of the development lifecycle

·      Write well designed, testable, efficient code

·      Ensure designs are in compliance with specifications

·      Prepare and produce releases of software components

·      Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

Requirements

·      BS/MS degree in Computer Science, Engineering or a related subject

·      Proven hands-on Software Development experience

·      Proven working experience in Java development

·      Hands on experience in designing and developing applications using Java EE platforms

·      Object Oriented analysis and design using common design patterns.

·      Profound insight of Java and JEE internals (Class loading, Memory Management, Transaction management etc)

·      Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)

·      Experience in the Spring Framework

·      Experience as a Sun Certified Java Developer

·      Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)

·      Experience with test-driven development

Description

Zycus is looking for a Meanstack/Mernstack Developer, who is motivated to combine the art of design with the art of programming. Responsibilities include implementing visual elements and their behavior with user interactions.. You will also be playing an active role on front end as well as backend development, and defining how the application looks and functions. We are looking for candidates with strong experience in MongoDB, Express.js, Angular, Node.js, Javascript, HTML, CSS, Jquery, Ajax. If you are a Mean Stack or full stack developer with a strong technical experience, then you could be the best fit for the role!

Roles & Responsibilities

· Creating Apps by working on all layers of architecture Understanding the flow of code and how it interacts with different components.

· Creating technical design documents by understanding requirements, and product objectives.

· Writing effective Unit tests

· Good analytical skills and innovative mind.

· Source code management.

· Excellent communication skills.

Requirements

· Total experience of 5 - 8 years

· Experience on Mean Stack/Mernstack (MongoDB, Express.js, Angular, Node.js)

· Strong understanding of JavaScript, object-oriented JS, its quirks, and workarounds·

· Strong hands on experience in JavaScript· Strong proficiency with JavaScript or CoffeeScript depending on your technology stack.·

· Good understanding of server-side CSS preprocessors such as Stylus, Less·

· Basic understanding of web markup, including HTML5 and CSS3· Good understanding of asynchronous request handling, partial page updates, JQuery, and AJAX·

· Proficient understanding of cross-browser compatibility issues and ways to work around such issues· Familiarity with JavaScript module loaders, such as Require.js and AMD·

· Proficient understanding of code versioning tools, such as SVN· Good understanding of browser rendering behaviour and performance

· Key Programming Skills: MEAN stack, full stack, Angular, Java, HTML/CSS, Javascript, Bootstrap.

· Experience working with Rest based APIs

Five Reasons Why You Should Join Zycus

1. Cloud Product Company: We are a Cloud SaaS Company and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.

2. A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.

3. Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization

4. Get a Global Exposure: You get to work and deal with our global customers.

5. Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.