
- Solving complex performance problems and architectural challenges
- Building reusable code and libraries for future use
- Building efficient, testable, and reusable Node JS modules
- Building high performance frontend applications with react
- Responsible for End-to-end ownership of modules, including designing, development, validation, deployment
- Understanding fully synchronous behavior of Nodejs
- Familiarity with Workers/child processes & performance tuning
- Experience with SQL/NoSQL databases and their declarative query languages (MySQL, and MongoDB)
- Strong knowledge of the common Node Js & React or web server exploits and their solutions
What you need to have:
- A Bachelor's degree in Computer Science, or related technical discipline
- 1 to 3 years of Software Development experience
- Deep hands-on technical experience in object-oriented design, data structures, algorithm design, and complexity analysis
- Experience with full software lifecycle methodology, including; coding standards, code reviews, source control management, build processes, testing, and operations
- Ability to identify, empathize with and delight the customer
- Comfortable working with different Technologies across all of them as and when needed
- Strong knowledge on technologies/frameworks that we work on - Microservices Architecture, Python, Rest/gRPC, Node.js, MySQL, Postgres, AWS, ReactJS, React Native, Kubernetes.

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Job Title : Backend / API Developer - Python (FastAPI) / Node.js (Express)
Location : Remote
Experience : 4+ Years
Job Description :
We are looking for a skilled Backend / API Developer - Python (FastAPI) / Node.js (Express) with strong expertise in building secure, scalable, and reliable backend systems. The ideal candidate should be proficient in Python (FastAPI preferred) or Node.js (Express) and have hands-on experience deploying applications to serverless environments.
Key Responsibilities :
- Design, develop, and maintain RESTful APIs and backend services.
- Deploy and manage serverless applications on Cloudflare Workers, Firebase Functions, and Google Cloud Functions.
- Work with Google Cloud services including Cloud Run, Cloud Functions, Secret Manager, and IAM roles.
- Implement secure API development practices (HTTPS, input validation, and secrets management).
- Ensure performance optimization, scalability, and reliability of backend systems.
- Collaborate with front-end developers, DevOps, and product teams to deliver high-quality solutions.
Mandatory Skills :
Python (FastAPI) / Node.js (Express), Serverless Deployment (Cloudflare Workers, Firebase, GCP Functions), Google Cloud Services (Cloud Run, IAM, Secret Manager), API Security (HTTPS, Input Validation, Secrets Management).
Required Skills :
- Proficiency in Python (FastAPI preferred) or Node.js (Express).
- Hands-on experience with serverless platforms (Cloudflare Workers, Firebase Functions, GCP Functions).
- Familiarity with Google Cloud services (Cloud Run, IAM, Secret Manager, Cloud Functions).
- Strong understanding of secure API development (HTTPS, input validation, API keys & secret management).
- Knowledge of API design principles and best practices.
- Ability to work with CI/CD pipelines and modern development workflows.
Preferred Qualifications :
- Strong knowledge of microservices architecture.
- Experience with CI/CD pipelines.
- Knowledge of containerization (Docker, Kubernetes).
- Familiarity with monitoring and logging tools.
Job Requirements for Java Developer Roles
* Strong hands-on expertise in Java programming.
* In-depth understanding of Java garbage collection mechanisms and their impact on application performance.
* Ability to write clean, efficient, and maintainable code.
* Familiarity with best practices for performance optimization.
* Strong problem-solving skills and attention to detail.
Please note that you will have to attach the following documents after Round 1 that will be needed for the client submission:
- LWD confirmation
- PF service history
Mode of work: Hybrid weekly 3 Times.
While you may already know about Wissen and the company history, here is a quick rundown for you.
About Wissen Technology:
• 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. We help clients build world class products.
• Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices 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.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
Experience: 2 years - 4 years
providing 100% remote
We love solving hard problems together because the hardest challenges are often the most rewarding. You will have an opportunity to create products that will disrupt the industry. Providing customer delight is not just a phrase for us - It’s our mantra, Voice will always be heard - we encourage different points of view.
Do you aspire to be a tech ninja?
Do you have a passion for building products in India and changing the worldview that we are just about services?
We want people who go deep and understand the fundamentals
RESPONSIBILITIES:
- Development and maintenance of automatic regression tests suites used in the product delivery process
- Development and maintenance of testing frameworks supporting the automatic regression testing
- Management and tracking of automatic regression test suite execution
- You will own some or all of a product/feature. You will also mentor others, read and review code, maintain code, deploy code, and tune the performance of systems.
SKILLS AND ABILITIES:
- We’re looking for 2 - 4 years of experience. However, the number is irrelevant if you have the necessary skills.
- Strong proficiency in Java, J2EE, JDBC, Spring MVC & Boot, Hibernate, PL/SQL, HTML, CSS, JavaScript and JQuery, Ajax
- Good exposure to RESTful API concept and JSON
- Experience with cloud-based technologies such as AWS.
- Proficient understanding of development tools such as SVN, GIT
- Good communication skills with proficiency in English (Oral and Writing) / banking knowledge.
Plus Points:
- Product experience
- Startup experience
- Technologies that are Self-taught
- Contributed to stock exchange etc
- Open source contributions
- Any of your work in public that we can see
Description
We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable with both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. If you’re also familiar with Agile methodologies, we’d like to meet you.
Responsibilities
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Test software to ensure responsiveness and efficiency
- Troubleshoot, debug and upgrade software
- Create security and data protection settings
- Build features and applications with a mobile responsive design
- Write technical documentation
- Work with data scientists and analysts to improve software
Requirements
- Proven experience as a Full Stack Developer or similar role
- Experience developing desktop and mobile applications
- Familiarity with common stacks
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Knowledge of multiple back-end languages (e.g. PHP, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
- Familiarity with databases (e.g. PostgreSQL, MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
- Excellent communication and teamwork skills
- Great attention to detail
- Organizational skills
- An analytical mind
- Degree in Computer Science, Statistics or relevant field
Job Description:
- Strong Experience of Node JS.
- Strong Experience of Reactjs development
- Experience in Server-side application architectures like Express.js, Meteor.Js, etc. is desirable.
- Experience in developing APIs is highly desirable.
- Experience in Mongo or MySQL database is a must.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Understanding fundamental design principles behind a scalable application.
- Experience in delivering products using an Agile methodology is highly desirable.
- Experience with automated unit, integration and end-to-end testing is highly desirable.
- Experience in the area of network or systems management is a plus.
skills required:JAVA,SPRINGBOOT,MICROSERVICES,SPRING,HIBERNATE
Role & Responsibilities:
- Handle multiple products/modules simultaneously, lead the team in development and support
- Lead development teams
- Daily updates to customers and Product Managers/Delivery Managers
- Participate in design discussions
- Design and Architect small modules
- Effort estimations for modules, subsystems or use cases.
- Learn new skills and mentor the new team members
- Champion best practices within the team, including code reviews
Work Experience & Skills:
- B.E/B.Tech or any relevant Masters degree from reputed college.
- Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring JDBC, Jquery, Java script, HTML 5 and CSS
- Strong experience in Postgres or any SQL technology
- Experience with working on Tomcat, Apache, JBoss or any similar application server
- Should have 3+ years of experience in leading team.
- Good experience in JSON / RESTful API / Web Services.
- Experience in working on Agile methodology using Scrum and sprints
- Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
- Experience in cloud technologies, Microservices and frameworks such as AWS or GPC, container technologies like Docker is a plus.
- Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
- Experience in Microservices, SpringBoot and Angular is a plus.
- Experience with tuning deployed applications for scalability and performance.
- Good knowledge of deployment and scripting on Linux/Unix servers
- Strong technical documentation skills.
- Good oral and written communication skills










