
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
Similar jobs
Job Summary:
We are seeking a skilled MERN Stack Developer to join our dynamic development team. The ideal candidate will have hands-on experience in building modern web applications using MongoDB, Express.js, React.js, and Node.js. You will be responsible for designing and developing scalable, high-performance web applications and collaborating with cross-functional teams to deliver top-tier solutions.
Key Responsibilities:
- Develop and maintain responsive web applications using the MERN stack.
- Design, build, and maintain RESTful APIs and integrate third-party services.
- Collaborate with UI/UX designers, product managers, and other developers to deliver seamless user experiences.
- Optimize applications for performance and scalability.
- Write clean, maintainable, and efficient code.
- Participate in code reviews and provide constructive feedback.
- Debug and troubleshoot issues across the full stack.
- Implement security and data protection best practices.
Senior Software Engineer
- Minimum 5 years in typescript and Total of minimum 8 Years of experience
- Excellent communication skills. English Language fluency is Mandatory.
We are looking for strong backend senior engineers
- 8+ years experience as Senior Software Engineer
- Have worked in medium- to big-sized companies for at least 3 years ( companies with 50+ developers)
- Strong architecture and planning skills
- Strong AI coding skills (being fluent in developing agents and skills) and using them in their development routines
- Distributed programming knowledge
- Typescript, Postgres & Kubernetes knowledge.
Ways of working
The engineers will be lead/managed by a UK Multinational company engineer manager (initially one currently based in Europe), and we are going to work on hiring one in Asia if we succeed in putting the team together
Engineers will have a direct contract with UK Multinational Company as career employees (entitled to company benefits and career progression) and will be trained in the UK Multinational Company product portfolio and work on several different projects.
We work in an environment where each engineer is presented with a business problem (or user story) and must come up with a detailed plan on how to tackle it (and explain and get approval from the team), which we do during the refinement meetings. In summary, we do not tell the engineers what to do, our expectation from a Senior engineer is that he tells us what to do (he will be trained, of course, in the best practices and technical specs of our environment).
Hiring process
- Hiring manager interview
- System Design interview
- Coding (with AI) interview
We are building VYXN.AI ā a full AI content generation platform with a web application, Templates, Workflow / Space, dynamic credits/coins pricing, AI provider integrations, Telegram bot and Telegram Mini App.
The final goal is not a small prototype. The product should be built in clear stages:
1. Technical Foundation
2. First usable product release
3. Full commercial launch scope
The first stage should focus on building a stable technical base, not an over-engineered enterprise system.
Core product areas:
- Web AI content generation platform
- Text module with selectable AI text models
- Image / Design generation via external AI APIs
- Video generation via external AI APIs
- Templates section with visual examples, prompts and user photo upload
- Dynamic credits / coins pricing based on provider, model, quality, duration and generation parameters
- Generation history
- User dashboard
- Admin panel
- AI provider integration layer
- Basic working version of Workflow / Space with node-based UI
- Telegram bot
- Telegram Mini App
- Customer support bot
- Multilingual support
Important:
The platform should be built using existing AI APIs and providers, not by training custom AI models at the first stage.
We are looking for a Senior Full-Stack Developer / Tech Lead who can write code, structure the project technically, and help define the right staged development plan.
Responsibilities:
- Review the full project brief and propose a practical implementation plan
- Build or lead the core web application
- Implement frontend and backend logic
- Integrate external AI generation APIs
- Build user dashboard, admin panel, generation history and credits/coins logic
- Set up database, storage, deployment and basic monitoring
- Help structure AI provider integrations and dynamic pricing
- Help define Workflow / Space architecture
- Help define Telegram bot / Mini App integration approach
- Work with UI/UX designer, Telegram developer, workflow/frontend developer or other specialists if needed
Required skills:
- React.js / Next.js
- TypeScript
- Node.js
- PostgreSQL
- API integrations
- SaaS or web platform experience
- Backend architecture understanding
- Ability to work independently and communicate clearly
- Comfortable with fixed milestones and clear acceptance criteria
Nice to have:
- Redis / BullMQ / queues
- AI API integrations
- Image or video generation API experience
- React Flow or node-based workflow UI experience
- AWS / GCP / Cloudflare / S3-compatible storage
- Telegram Bot / Telegram Mini App experience
- Dynamic pricing, wallet, credits or usage-based billing experience
- Admin panels and support tools
Project format:
- Remote
- Contract or full-time possible
- Fixed milestones preferred for the first stages
- Code must be developed in our GitHub repository
- Deployment should be done through project-owned accounts
- Long-term cooperation possible if the first stage goes well
We are not looking for a large agency. We prefer a strong individual developer or a compact team that can move fast, communicate clearly and build a practical commercial product in stages.
Responsibilities
⢠Participate in requirements analysis
⢠Collaborate with internal teams to produce software design and architecture
⢠Write clean, scalable code using .NET programming languages
⢠Test and deploy applications and systems
⢠Revise, update, refactor and debug code Requirements
⢠At least 5 years of experience with .NET
⢠Experience with ASP.NET
⢠MS SQL knowledge
⢠JavaScript experience
Nice to have
⢠.NET Core experience
⢠Entity Framework Core knowledge
⢠Experience with Angular ⢠Experience with AWS (or Azure, GCP)
⢠Knowldege of CI/CD (GitLab, TeamCity, TFS Release)
Responsibilities-Ā
- 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.
Requirements-Ā
- 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
- Mandatory Skills : Java, Springboot, Microservices.
- Basic knowlege of HTML and CSS
- good understanding of REST API designing as well as development using spring.
- Strong Hands on experience in Angular or React JS
- Effective in using frameworks.
- Proficient understanding of code versioning tools Git/bit bucket with Maven.
- hands on expereince in SQL
- Closely work with the product management team to transform the product roadmap to the engineering plan.
- Convert high-level engineering plan into an agile sprint plan with accurate effort estimation ensuring smooth and
- timely delivery ā Take complete ownership and lead from the front with high levels of hands-on expertise.
- Create relevant engineering practices and policies, to improve productivity, efficiency and build predictability in a very dynamic environment.
- Recruit and build high-performance teams.
- 4+ Years of Hands-on-experience with scalable Architecture, Distributed Systems, and Cloud Technologies
- Well versed with SOA principles, cloud-based web services architecture, design patterns and frameworks Development experience in any of the languages PHP, Node.js or Java.
- Experience on any of the front-end JavaScript frameworks such as ReactJS, Angular.
- Good knowledge of HTML/CSS/JavaScript/Ajax/Web-services.
- Demonstrated technical expertise in Relational and Non- Relational Database.
- Exposure to API concepts would be an added advantage.
- Ability to create/review base level architecture, create and maintain product roadmaps.
- Enjoy working in a fast-paced company environment.
- Should be stack agnostic and should not have any tech prejudice.
- Willing to work in PHP + MongoDB driven environment.
- Prefer non-hierarchical, independent and non-pushy environment.
- Are self-motivated to take up a high degree of ownership.
- Passionate about programming and can't sleep without coding.Ā










