Senior Fullstack Engineer (React & Golang)

Excellent Opportunity- Lead Java Full Stack (React +AWS+ Dynamo) -Wissen Technology, Whitefield Bengaluru

Hi ,

As discussed please find company's details and JD as mentioned:

About Wissen Technology

Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.

For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Job Description:

Requirements Lead (Java+ React+ AWS+ DynamoDB)

• Bachelor’s degree in computer science or related field.
• 7-12 years of experience in software development.
• Hands-on experience working on AWS cloud environment and DynamoDB.
• Proficiency in Java, J2EE, Spring, Hibernate, REST API, Microservices.
• Experience in developing applications using J2EE Design Patterns and AWS services.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills

Amita Soni

Senior Consultant-Talent Acquisition-Wissen Technology, Pune

Responsibilities: 

• Develop and maintain high-quality, efficient, and scalable backend applications. 
• Participate in all phases of the software development lifecycle (SDLC) 
• Write clean, well-documented, and testable code adhering to best practices. 
• Collaborate with team members to ensure the successful delivery of projects. 
• Debug and troubleshoot complex technical problems. 
• Identify and implement performance optimizations. 
• Participate in code reviews 
• Hands-on experience with Springboot, Java 8 and above. 
• 5-7 years of experience developing Java applications. 
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc. 
• Required React developer requirements, qualifications & skills: 
• Proficiency in React.js and its core principles 
• Strong JavaScript, HTML5, and CSS3 skills 
• Experience with popular React.js workflows (such as Redux) 
• Strong understanding of object-oriented programming (OOP) principles. 
• Experience with design patterns and best practices for Java development. 
• Proficient in unit testing frameworks (e.g., JUnit). 
• Experience with build automation tools (e.g., Maven, Gradle). 
• Experience with version control systems (e.g., Git). 
• Experience with one of these databases – Postgres, MongoDb, Cassandra 
• Knowledge on Retail or OMS is a plus. 
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset 
• Ability to reverse engineer existing/legacy and document findings on confluence. 
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

Job Summary

We are looking for an experienced Java Full Stack Developer with strong expertise in Java, React.js, and AWS to design, develop, and maintain scalable web applications. The ideal candidate should have experience building high-performance applications and working across both front-end and back-end technologies.

Key Responsibilities

• Develop and maintain full-stack web applications using Java and React.js
• Design and build RESTful APIs and microservices using Java frameworks
• Develop responsive and interactive frontend interfaces using React.js
• Work with AWS services for deployment, scalability, and infrastructure
• Collaborate with cross-functional teams including product managers, designers, and QA
• Write clean, maintainable, and efficient code following best practices
• Participate in code reviews, testing, debugging, and performance optimization
• Implement CI/CD pipelines and cloud-based solutions

Required Skills

• Strong experience in Java (Spring Boot / Spring Framework)
• Good knowledge of React.js, JavaScript, HTML, CSS
• Experience building REST APIs and microservices architecture
• Hands-on experience with AWS services (EC2, S3, Lambda, RDS, etc.)
• Familiarity with Git, CI/CD pipelines, and Agile development
• Experience with database technologies (MySQL, PostgreSQL, or MongoDB)

Preferred Skills

• Experience with Docker / Kubernetes
• Knowledge of serverless architecture
• Experience working in cloud-native environments
• Understanding of system design and scalable architecture

We are now looking for,

Senior SW Developer – IoT Platform Development

to join the team of experts at the KONE Services & Solutions R&D. You will work together with other professionals to develop advanced KONE digital solutions that leverage the latest in cloud and connectivity technologies.

You are a cloud development expert who is passionate about designing and implementing solutions for our connectivity solutions. You are familiar with the software development patterns and can turn the architectural plans to concrete SW designs. You understand and appreciate the modern SW development practices. You work at your best when you are working with people, and you enjoy helping others.

You will work in a key role inside our Agile SW development team. Your closest colleagues will be other developers, test professionals and the PO of the team. You will be part of KONE Technology and Innovation unit’s IoT Tribe.

Main responsibilities include,

• Producing more efficient software designs for new features in our IoT platform tribe
• Developing clean and efficient code based on the specifications.
• Unit and Integration Testing for the developed code and integrate with code coverage tools.
• Verify and deploy programs and systems
• Recommend and execute improvement for the existing offerings from the IoT platform.
• Create technical documentation for reference and reporting.
• Participating in knowledge sharing and demos

To be successful in this role,

• Having a degree in Computer Science or equivalent with minimum 5+ years of relevant working experience.
• More than 3 years proven experience in developing high volume scalable cloud solutions utilizing platforms like Amazon AWS with IoT domain.
• Having hands on development experience with Java, Node JS and TypeScript.
• Experience working with MVC, WEB API, RESTful services with IoT domain

• Team player with capabilities to take the lead and develop own competencies around the core knowledge is a must.
• Understanding of React JS is an added advantage.

• Strong experience with Serverless Cloud Compute Services with AWS or Azure

• Experience in working with AWS platform and its core services like Lambda, CloudWatch, CloudFormation, CDK, SQS, S3 etc., or its equivalent Azure services
• Understanding of Serverless design, network security, cloud design patterns, high availability and secure systems.

• Hands on experience with both SQL and No-SQL databases.
• Experience on DevOps ways of working with good understanding on CI/CD

Details:

• Should have Experience of Java/J2EE Developer
• Must have Full Stack Development experience.
• Must have  SQL Knowledge and a good understanding of Procedures.
• Need 4 or 6 Years of Experience Candidates. 
• Should be from a Product Based Company or should have 1 Year of Prior Experience in Product Based Companies.

Roles & Responsibilities:

• As one of the earliest employees, there will be a lot on your plate. All the time!
• You'll build new product features from start to finish: through conception, research, maintenance, and polish. Think features to improve our collaborative student learning platform, such as new collaborative learning activities for teaching coding and other subjects.
• You'll build improvements to performance, reliability, and product polish — for example, improving the efficiency and performance of our replicated state systems.
• You'll build and improve processes and internal tools with simplicity and productivity in mind — such as, a tool to sync updates between zoho, slack etc.

This might be for you if...

• You have knowledge of ReactJS and any backend technology along with that
• You have been professionally coding for at least 3 years
• You have worked in a startup and relish the chaos and pressure
• You've built and maintained quality user interfaces that have reached a large audience, ideally while the product is experiencing rapid growth.
• You can readily learn most technologies as you go. To you, technologies are about tools and tradeoffs, not an ideology.
• You care about the business implications of anything you build. You're not just going after cool stuff — you understand the balance between craft, speed, and the bottom line.