

Location: Bangalore
Experience: 5 to 10 years
Joiners: Immediate / Notice Period < 30 days
Company: Wissen Technology
š Job Overview:
We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.
š ļø Key Responsibilities:
- Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).
- Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.
- Implement complex business logic with clean and maintainable code.
- Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.
- Work with iterators and immutability principles to build reliable data flows.
- Collaborate with product managers, designers, and QA teams in an Agile environment.
- Troubleshoot and debug production issues as needed.
ā Must-Have Skills:
- Strong programming experience in Core Java, Multithreading, and Java Collections Framework.
- Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.
- Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.
- Experience working with REST APIs, Spring Boot, and microservice architectures.
- Familiarity with version control systems like Git and CI/CD pipelines.
- Strong problem-solving and analytical skills.
š¼ Good to Have:
- Exposure to cloud platforms (AWS, GCP, Azure).
- Experience with state management tools like Redux or Context API.
- Knowledge of performance optimization and memory management in JavaScript.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to WorkĀ®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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ļ· Should have an aggregate of 60% in the academics till date.
ļ· Any Graduate/Post Graduate.
ļ· Frontend Developer (React JS & Next JS)
ļ· Primary Skills: Next JS, Angular JS 8, MERN Stack, HTML 5, CSS3, Bootstrap 5, Java, Relational and Non


- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- MERN stack developer must have proven experience in front & back-end development
- Work in a cross-functional team to deliver a complete user experience
- Developer must expertise into MongoDB, Express, Node.js, & React.
- Create Unit and Integration tests to ensure the quality of code
- MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
- Understanding & proficiency in REST APIs.
- MERN stack developer should know Git Repository and Jira.
- Integration of data storage solutions [RDBMS, NoSQL DB]
- Work with development teams and product managers to ideate software solutions
- Develop and manage well-functioning databases and applications
- Test software to ensure responsiveness and efficiency
- Create security and data protection settings
- Write technical documentation
- Work with data scientists and analysts to improve software

Looking for folks with a hacker's mindset
Weāre seeking a talented developer to help build our platform from the ground up. As a critical member of a dynamic and highly-motivated team, you will have to performĀ a full stack developers role. And will be responsible for designing & coding new functionality from scratch and maintaining or enhancing the current functionality.
Must haves
- Clear communication skills and a strong customer first attitude
- PHP expert with live project implementations in Laravel framework with MySQL database
- Write clean and well-designed & scalable code
- ManiacalĀ aboutĀ creating flawless & defect-free delivery
- Troubleshoot, test and maintain the core product code and databases. Refactor or optimize existing code & database where needed
- Maintain a positive and healthy work environment within the team and have fun while doing it
- Contribute in all phases of the development lifecycle right from requirements through till deployment
- Ability to learn and implement automated test tools
- A champ in Data Structures, Algorithms, Object-Oriented Design, Analysis, Multi-threading, Design patterns, and other computer science concepts.
- Developing and managing applications for new features and enhancement in full-stack
- A proven technical leader within an Agile development environment
- Experience in delivering full-stack solutions across multiple technologies.
- Able to showcase work involving low latency concurrent and distributed systems/applications.
- Able to multi-task and work in a cross-cultural geographically distributed environment.
- Proactive, self-starter, and hands-on with multiple upcoming technologies.
- Managing our Engineering team - coach them, advocate for them, and productive.
- Providing technical leadership and being accountable for the technical decisions made by your team, with a focus on performance, scalability, privacy, and security.
- Work closelyĀ with Product, Design, and Manager to create a meaningful vision and roadmap for the team, towards delivering impactful work and a successful outcome.


2. Debugging and testing code
3. Documenting and testing new software applications
4. Researching, investigating, and fixing a wide range of technical issues
5. Collaborating with senior leaders
6. Approaching problems and creating solutions



Senior Software Engineer (FullStack)
Synup is a marketing platform for local businesses.
Ever tried to find the best Sushi restaurant in town?
- We help businesses like that be found online by helping them manage their online profiles across different platforms like Google, Facebook, Apple Maps, Yelp, etc.
- We build tools for them to interact with customers better by notifying them of latest reviews, helping them respond appropriately or collect feedback.
- We provide them with analytics reports that these businesses would not have otherwise had access to.
Our customers include businesses both small like a Sushi restaurant or large like your most trusted bank.
About your role as our new Senior Software Engineer (FullStack)
As an experienced engineer we know that you have built software to solve various business problems at your previous workplaces. You may have also explored technologies on your own for your learning or hobby projects.
- You will be building APIs for the Synup platform and also UI to make our platform capabilities available to our customers.
- You and the team that you are a part of will be collectively responsible building performant software and customer experiences that scale to our next million customers.
- You will be responsible for writing technical specs and contributing to it's implementation. We expect that you would have done the same in your previous workplaces.
- Other folks on our team are looking forward to learn from your experiences.
For engineers that join our team
- We expect you to be good with Ruby or Python to build APIs.
- You will be contributing to our UI that is built with React and GraphQL.
- We hope our team members have a strong grasp of software design patterns and know when to put them to good use.
- Experience with an SQL datastore would help a lot. PostgreSQL is our primary datastore.
- We optimize our search functionality and rollup reports by using ElasticSearch.
- We expect that you have used Redis. Redis is our swiss army knife to solve a lot of problems apart from just caching.

Job Description
As a senior full-stack developer, you will contribute to our end-to-end supply chain platform. You'll work with all key stakeholders to deliver scalable, maintainable code and deliver amazing user experiences. We are building a design and process-centric culture where you'll play a key role in the implementation of the foundation of all our systems. Up for a challenge?
You are:
- A self-starter with a sense of what it takes to be successful as a team
- An agile - welcome change, do as little as possible and embrace continuous delivery
- Conscious about how quality is carried through from the UI to all layers underneath
- Passionate about design as a foundation of great user experience
- Opinionated, but flexible to accommodate the big picture
Responsibilities
- Analyze requirements, provide estimates and deliver code in an agile setup
- Stay on top of all owned work and raise red flags as early as possible
- Define the architecture, best practices, and coding standards for a full-stack development
- Support continuous technical improvement by investigating alternatives and technologies and present them for architectural reviewĀ
- Motivate team members, coach junior members, and extend goodwill to other employees
Qualifications
Must have
- Prior startup experience, preferably with war stories to share
- 3-5 years of software industry experience
- Solid understanding of software design, development, testing, and problem-solvingĀ
- Expertise in coding efficient, high quality, and modularized softwareĀ
- Expertise in React.js and related ecosystem
- Experience with GraphQL and other modern JS ecosystems
- Expertise in common design patterns and anti-patterns Javascript
- Experience with service-oriented architecture and microservices
- Expertise in relational and non-relational databases and expertise in at least one database system
- Experience with planning, execution, and maintenance of test infrastructure for backend workflows
- Knowledge of AWS
- Knowledge of Unix shell and source control systems and tools such as gitĀ
- Strong technical leadership skills
- Strong communication skills
- Technical mentoring skills
Great to have
- Experience with CI/CD and setting up a monitoring infrastructure
- Experience with Flutter
- Interest in blockchain and computer vision-related ML systems
- Experience working on high traffic systems
- Bachelorās degree in Computer Science or a related discipline

Responsibilities:
- Development and Integration of user-facing design elements with server-side logic.
- Design and develop backend API services and databases to serve frontend applications.
- Code for multi-platform environments.
- Build reusable code and libraries for future use.
- Ensure responsiveness of applications.
- Optimization of the application for maximum speed and scalability.
Skills and Qualifications:
- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
- Proficient in Angular JS or ReactJS, Node.js and JavaScript.
- Integration of multiple data sources and databases into one system.
- Management of hosting environment, including database administration and scaling an application to support load changes.
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
- Creating database schemas that represent and support business processes in one or more database technologies such as Mongo, MySQL etc.
- Implementing automated testing platforms and unit tests.
- Proficient knowledge of a back-end programming language. (Depending on the specific case, a developer should have the knowledge of one or more of Python, Ruby, JavaScript etc.)
- Proficient understanding of code versioning tools, such as Git.
Academic Qualifications:
- Engineering degree from a reputed institute


