Lead Engineer - Java Full Stack

Job Title : React + Node.js Developer (Full Stack)

Experience : 5+ Years

Location : Mumbai or Pune (Final location to be decided post-interview)

Notice Period : Immediate to 15 Days

Interview Rounds : 1 Internal Round + 1 Client Round

Job Summary :

We are looking for a highly skilled Full Stack Developer (React + Node.js) with strong expertise in both frontend and backend development.

The ideal candidate should demonstrate hands-on experience with databases, excellent project understanding, and the ability to deliver scalable, high-performance applications in production environments.

Mandatory Skills :

React.js, Node.js, PostgreSQL/MySQL, JavaScript (ES6+), Docker, AWS/GCP, full-stack development, production system experience, and strong project understanding with hands-on database expertise.

Key Responsibilities :

• Design, develop, and deploy robust full-stack applications using React (frontend) and Node.js (backend).
• Exhibit a deep understanding of database design, optimization, and integration using PostgreSQL or MySQL.
• Translate project requirements into efficient, maintainable, and scalable technical solutions.
• Build clean, modular, and reusable components following SOLID principles and industry best practices.
• Manage backend services, APIs, and data-driven functionalities for large-scale applications.
• Work closely with product and engineering teams to ensure smooth end-to-end project delivery.
• Use Docker and cloud platforms (AWS/GCP) for containerization, deployment, and scaling of services.
• Participate in design discussions, code reviews, and troubleshooting production issues.

Required Skills :

• 5+ Years of hands-on experience in full-stack development using React and Node.js.
• Strong understanding and hands-on expertise with relational databases (PostgreSQL/MySQL).
• Solid grasp of JavaScript (ES6+), and proficiency in Object-Oriented Programming (OOP) or Functional Programming (FP).
• Proven experience working with production-grade systems and scalable architectures.
• Proficiency with Docker, API development, and cloud services (preferably AWS or GCP).
• Excellent project understanding, problem-solving ability, and strong communication skills (verbal and written).

Good to Have :

• Experience in Golang or Elixir for backend development.
• Knowledge of Kubernetes, Redis, RabbitMQ, or similar distributed tools.
• Exposure to AI APIs and tools.
• Contributions to open-source projects.

Experience: 5+ years

Location: Mumbai - Andheri Marol

Company: Wissen Technology

Website: www.wissen.com

Job Description:

Wissen Technology is currently hiring experienced Full Stack Java Developers with strong expertise in Core Java, Spring Boot, front-end technologies (Angular/React), REST APIs, multithreading, data structures, and SQL.

You will be working on enterprise-grade solutions as part of a global development team tackling complex problems in domains like Banking and Finance.

This is an excellent opportunity to be part of a high-caliber, technically strong team delivering impactful solutions for Fortune 500 companies.

Key Responsibilities:

• Develop and maintain scalable, high-performance applications with a focus on both backend (Java/Spring Boot) and frontend (Angular/React).
• Participate in all phases of the development lifecycle – design, coding, testing, deployment, and maintenance.
• Work closely with cross-functional teams to understand requirements and deliver quality solutions.
• Optimize application performance and ensure responsiveness across platforms.
• Write clean, maintainable, and well-documented code.

Required Skills:

• 5+ years of hands-on experience in Java, Spring Boot.
• Strong proficiency in frontend frameworks like Angular or React.
• Experience with RESTful APIs, microservices, and web technologies (HTML, CSS, JavaScript).
• Sound knowledge of data structures, algorithms, and multithreading.
• Experience in developing and deploying enterprise-grade applications.
• Solid understanding of RDBMS (e.g., Oracle, MySQL, PostgreSQL).
• Exposure to DevOps practices, version control (Git), and CI/CD pipelines.
• Familiarity with Unix/Linux environments.
• Strong problem-solving, communication, and analytical skills.

Good to Have:

• Exposure to cloud platforms like AWS, Azure, or GCP.
• Understanding of containerization using Docker/Kubernetes.
• Knowledge of Agile methodologies.

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.

• Proven experience as a Full Stack Developer with hands-on expertise in Core Java, Angular/ React and SQL.
• Good expertise in microservices.
• Good experience in cloud platform, AWS preferred.
• Experience with RESTful services and APIs.
• Solid understanding of object-oriented programming principles.
• Familiarity with version control systems like Git.
• Excellent problem-solving skills and attention to detail.
• Strong communication skills and the ability to work well in a team environment.

Skillset

Angular, React/Redux (or Similar Technology)

Node.js

RESTfull API integration

Experience working with Docker and containerized applications

Experience working with Kubernetes or other container orchestration tools

Knowledge and understanding of working in AWS environments

Experience in full-stack development (with a passion)

RDBMS and Document Database

Experience with Agile/Scrum Development Methodology

Exposure to Continues Integration (CI/ CD) Devops, AWS

Version control systems like Git/ TFS

• Participating in design discussions, documentation, and development with the team as needed.
• Working closely with the product manager for deliverables and milestones identification.
• Reporting to technical lead/manager on daily activities planned, expected deliverables, and reports as defined for the project.
• Participating in requirement gatherings as required.

• At least 3 years of proven experience of working as a software developer, out of which at least 2 years must be spent in a solid back end role
• Be able to write clean, maintainable code which others can work on
• Familiarity with RDBMS (MySQL, PostgreSQL) and NoSQL (MongoDB) databases, web servers (e.g. Apache) and UI/UX design
• Experience in taking a problem to a product solution (module/product) from scratch - a proven record of shipping on time and budget
• You've worked with startups before and understand the fast-paced, dynamic nature of work
• People with high attention to detail, flexible and focused on solutions, organized and self-sufficient, prioritize learning and growth and will enjoy working with a team usually tend to excel in this role

Full Stack – Software Developer

Villa Plus is UK's leading villa holiday tour operator, providing holiday makers the ability to book their own private villas across Europe. Customers have a choice of close to 2000 villas in 19 destinations with option of booking flights, car hire, transfers and travel insurance. Over the last 33 years Villa Plus has catered for holidays for nearly 200,000 customers and it manages about 50,000 bookings annually online. 

Our digital platformhttp://www.villaplus.com/">, http://www.villaplus.com/">www.villaplus.com runs totally in Azure Cloud. A headless CMS platform is used for non-villa marketing content.  Ash software is value-added partner and technical arm of Villa Plus which aims at delivering delightful experience to customers.

• Bachelor / Masters degree in Computer Science or Computer Engineering

A good team player with expertise working as part of Agile teams. Hands-on experience in practicing Scrum, XP and Kanban. Hands-on experience in Microsoft .NET technology stack is a must

• Strong hands-on experience in web development using ASP.NET MVC and C#
• Usage of SQL and no SQL databases
• Hands on experience in test-driven development and DevOps practices
• Understanding and following OOAD, SOLID principles using C#
• Well-versed with pair-programming
• Working on solutions hosted in cloud environments (Azure or AWS)
• Implementation of continuous delivery processes
• Usage of Git

The following would be beneficial:

• Understanding of behavior-driven development and domain-driven design
• Experience in :
  • .Net core, Web API
  • Scripting Languages like JavaScript
  • Frontend: Angular7
  • Automating business processes
  • Integration with 3^rd party systems
  • Content management

We are looking for people who have a passion for solving problems, can write exceptional code and don't shy away from challenges and new technology. Our products affect thousands of people everyday and we want someone who would love to contribute towards that end.

If you:

• Know how to write robust and reliable systems
• Have knowledge of managing and scaling for high volume traffic
• Are someone who enjoys execution of an idea as much as finding new and innovative ideas to solve problems
• Actively try to gain more knowledge and pass on knowledge to your peers

Then we are definitely a right match for you

What we expect from you:

• Excellent understanding of web applications.
• Good knowledge about AWS or similar services.
• Ability to quickly learn new technologies.
• Good understanding of the delivery pipeline in a team environment.
• Innovative and creative problem solving.
• Ability to understand and communicate across teams and departments.

What you will be doing:

• Work as a part of a team or individually.
• Build products that help us expand our portfolio and drive growth for the organisation.
• Take up ownership of the entire lifecycle of products.
• Help, mentor and guide interns, new joinees and other developers.
• Engage with the client and people from other departments to come up with the best solutions.
• Point out existing problems with our solutions, processes and architecture

What we look for:

• Should have used/contributed to popular Open Source Libraries and Tools
• Should have worked on web technology (Rails / SpringBoot / Django / NodeJs)
• Always on the cutting edge of technology.
• Ability to divide a larger problem into smaller pieces for everyone to work on.
• Process driven and detail oriented
• Should have mentored new joinees
• More than 3 years of relevant experience in the domain
• Should be able to work out of our Bangalore office.

1. Strong fundamentals OOPS concepts, Exception Handling, Coding Standards, Logging

2. Creating custom, general use modules and components which extend the elements and modules of core Angular. 

3. Creating configuration, build, and test scripts for Continuous Integration environments

4. Communicating with external web services and processing data

5. Experience with offline storage threading and performance tuning

6. Review code and maintain the code quality and suggest best practices

7. Knowledge and experience on data science and programming languages

8. Demonstrable abilities to optimize code. Strong analytical skills for effective problem solving