Fullstack Developer

Job Details:

• Role: Senior Staff Engineer, Java React
• Experience: 7.5 -9 Years
• Employment Type: Full-time
• Work Mode: Bengaluru (Hybrid)

Job Description

REQUIREMENTS:

• Total experience: 7.5+ years
• Strong hands-on experience in Java and React.js.
• Good working knowledge of Python, Node.js, and PostgreSQL.
• Experience building REST APIs and integrating frontend with backend services.
• Familiarity with Agile Scrum, JIRA, and software development best practices.
• Ability to write clean, tested, and maintainable code with strong problem-solving and communication skills.
• Willingness to travel within India and overseas as required.

RESPONSIBILITIES:

• Develop and implement application features using Java and React.js.
• Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives.
• Build and integrate REST APIs and support backend/frontend development.
• Write clean, tested, and maintainable code while following coding standards.
• Support UAT, defect resolution, deployment activities, and update JIRA tasks regularly.
• Create technical documentation including API specifications and release notes.
• Collaborate with cross-functional teams to deliver high-quality software solutions.

Qualifications

Bachelor’s or master’s degree in computer science, Information Technology, or a related field.   

JOB DESCRIPTION:

Location: mumbai

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

 For more details:

Website: www.wissen.com

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

LinkedIn: Wissen Technology

We are seeking a highly motivated and skilled Java + AWS Developer to join our backend development team. The ideal candidate will have solid experience in building scalable backend systems using Java and AWS services. You will work closely with cross-functional teams to design, develop, and maintain high-performance microservices and cloud-native applications.

Key Responsibilities:

• Develop, deploy, and maintain backend services and APIs using Java (preferably Java 8 or above) and Spring Boot
• Design and implement microservices architecture with a focus on scalability and reliability
• Leverage AWS services such as EC2, Lambda, S3, RDS, DynamoDB, API Gateway, SNS/SQS, and CloudWatch for cloud-native development
• Work with Relational and NoSQL databases (PostgreSQL, MySQL, DynamoDB)
• Implement CI/CD pipelines using tools like Jenkins, GitHub Actions, or AWS CodePipeline
• Write clean, efficient, and testable code following best practices
• Participate in code reviews, design discussions, and Agile ceremonies
• Monitor and troubleshoot applications in production using AWS CloudWatch or other logging tools
• Ensure secure, reliable, and efficient integration between services

Required Skills and Qualifications:

• 4–6 years of hands-on experience in Java development with strong knowledge of Spring Boot
• Solid understanding of RESTful APIs, Microservices, and API security
• Strong experience with AWS Cloud Services (EC2, S3, Lambda, RDS, CloudWatch, API Gateway, etc.)
• Familiarity with containerization (Docker) and orchestration tools (ECS, EKS, or Kubernetes)
• Proficient in working with SQL and NoSQL databases
• Good understanding of event-driven architecture and messaging systems (e.g., SNS, SQS, Kafka)
• Experience with version control systems like Git
• Exposure to CI/CD and DevOps practices is a plus
• Excellent communication and problem-solving skills

Preferred Qualifications:

• AWS Certification (e.g., AWS Certified Developer – Associate) is a plus
• Experience in Agile/Scrum development environments
• Knowledge of Infrastructure as Code (IaC) tools like Terraform or CloudFormation

• High School diploma or GED required 
• A minimum of 5 years’ experience designing and building scalable web based applications 
• Experience with RESTful web services, Java/Spring framework, NodeJS applications, React & Vue Frameworks 
• Strong relational database modeling and SQL experience (Oracle, MSSQL)f 
• Solid knowledge of testing principle and ability to build comprehensive test suite  
• Demonstrated UI design and UX sensibilities 
• Experience in scripting against Windows/Linux i.e. PowerShell, VB or Unix Shell Script, Python  
• Ability to coordinate the release/deployment process and versioning, code, configuration management 
• Experience with Git/Bitbucket and Opensource Tools and Agile methodologies 
• Experience leading software developers on development best practices as a technical lead 
• Experience with using JIRA (for defect tracking and for ITSM ticketing with Incident/Problem/Change)  

• Experience - 3-5 yrs
• CTC to Offer - 10-15 Lacs
• Work Location - Mumbai / Chennai

Front End: React JS / Ionic Framework

Back End: Spring Boot / Java

Database: Relational Database

• Should have developed minimum 2 projects with the above tech stack end to end with each project duration of minimum of 6 months
• Should have developed REST/JSON APIs with Spring Boot
• Should be able to develop a module independently end to end
• Should be able to design a simple database
• Should be able to understand and clarify client requirements
• Should be able to write FSDs
• Should be able to write unit test cases manually or using tools
• Should have worked with Service-oriented architecture
• Should know about code maintenance, code review, unit testing

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.