
Position Summary: Senior Software Engineer (Full Stack) We are seeking a highly skilled Senior Software Engineer to execute our strategy preferably experienced in Financial Services/Procurement domain, to build a modern SaaS platform using latest technologies like ReactJS, Angular, Django, Python with Postgres and AWS as the platform. Athena, Lambda, Python, Spark and PowerBI. As a Full Stack Engineer, you’ll be responsible for designing, developing, and maintaining key features of our cloud-based SaaS product. You’ll work across the stack — from building rich client-side applications in ReactJS to crafting performant and secure APIs in Django. You will also play a key role in architectural decisions, DevOps integration, and driving engineering best practices across the team.
Technical Skills: Must Have: Expert – ReactJS, Django, Python, Shell Script, AWS, S3, Lambda, Postgres Significant work Experience – Jenkins, Power BI
Responsibilities:
• Design and develop end-to-end web applications using ReactJS (frontend) and Python/Django (backend)
• Build and maintain RESTful APIs and integrate third-party services
• Work with PostgreSQL to model data and write efficient queries
• Implement scalable, secure, and maintainable backend services on AWS
• Collaborate with product managers, designers, and fellow engineers to deliver new features
• Write unit, integration, and end-to-end tests to ensure code quality and reliability
• Conduct code reviews, debug issues, and optimize performance across the stack
• Contribute to DevOps workflows including CI/CD pipelines, containerization, and monitoring Internal Use Only Qualifications/Experience:
Must have - 5–7 years of full stack development experience, preferably in a SaaS or product-first environment
- Strong proficiency with JavaScript, ReactJS, and component-based architecture
- Hands-on experience with Python and the Django web framework
- Solid understanding of PostgreSQL (or similar relational databases)
- Practical knowledge of AWS services (EC2, S3, RDS, Lambda, etc.)
- Familiarity with Git, CI/CD pipelines, Docker, and Linux-based environments
- Clear communication skills and a collaborative mindset
Good to have
- Experience with performance tuning in Django or PostgreSQL - Exposure to Infrastructure-as-Code (e.g., Terraform, CloudFormation) Nice to have
- Understanding of frontend testing tools (Jest, Cypress) and backend testing strategies - Knowledge of security best practices for SaaS apps
Location: Bangalore

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 Work®. 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.
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Position Overview
We are seeking an experienced Lead Full Stack Developer to join our dynamic team in Bangalore. The ideal candidate will lead full-stack development initiatives, mentor the development team, and deliver scalable, secure, and high-performing solutions using modern technologies.
Key Responsibilities
- Develop and maintain front-end components using AngularJS.
- Build secure RESTful APIs and backend services using Spring Boot.
- Integrate and manage MongoDB for efficient data storage and retrieval.
- Collaborate closely with UI/UX designers, product managers, and QA teams.
- Ensure application performance, responsiveness, and scalability.
- Participate in code reviews and enforce coding best practices.
- Debug and resolve technical issues across the full stack.
- Write and maintain unit and integration tests for frontend and backend.
- Manage Git-based version control and CI/CD pipelines.
- Provide technical leadership and mentor junior developers.
Required Qualifications
Education & Experience:
- Minimum 5 years of professional software development experience.
- Bachelor’s degree in Computer Science, Engineering, or related field.
- Proven track record in full-stack development.
Technical Skills:
- Proficient in AngularJS, JavaScript, TypeScript, HTML, CSS.
- Strong backend skills using Java & Spring Boot.
- Experience with MongoDB, including schema design and queries.
- Solid understanding of REST APIs, HTTP protocols, and web architecture.
- Hands-on experience with Postman, Maven, Git.
- Familiarity with JSON, XML, and serialization formats.
- Strong knowledge of web security best practices.
- Understanding of Agile development methodologies.
- Experience managing CI/CD pipelines.
Leadership Skills:
- Prior experience leading a development team (preferred).
- Ability to mentor, guide, and coach junior developers.
- Strong project planning and coordination abilities.
Soft Skills:
- Exceptional leadership and collaboration skills.
- Strong analytical thinking and problem-solving abilities.
- Excellent verbal and written communication skills.
- Ability to work under pressure and meet tight deadlines.
- Strategic thinking with attention to detail.
- Adaptability to rapidly changing technologies.
- Effective time management and organizational skills.
Preferred (Good-to-Have):
- Background or understanding of electrical systems.
- Experience with cloud platforms & deployment strategies.
- Knowledge of modern frameworks and emerging technologies.
Location: Hybrid/ Remote
Openings: 2
Experience: 5+ Years
Qualification: Bachelor’s or Master’s in Computer Science or related field
Job Responsibilities
Problem Solving & Optimization:
- Analyze and resolve complex technical and application issues.
- Optimize application performance, scalability, and reliability.
Design & Develop:
- Build, test, and deploy scalable full-stack applications with high performance and security.
- Develop clean, reusable, and maintainable code for both frontend and backend.
AI Integration (Preferred):
- Collaborate with the team to integrate AI/ML models into applications where applicable.
- Explore Generative AI, NLP, or machine learning solutions that enhance product capabilities.
Technical Leadership & Mentorship:
- Provide guidance, mentorship, and code reviews for junior developers.
- Foster a culture of technical excellence and knowledge sharing.
Agile & Delivery Management:
- Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives).
- Define and scope backlog items, track progress, and ensure timely delivery.
Collaboration:
- Work closely with cross-functional teams (product managers, designers, QA) to deliver high-quality solutions.
- Coordinate with geographically distributed teams.
Quality Assurance & Security:
- Conduct peer reviews of designs and code to ensure best practices.
- Implement security measures and ensure compliance with industry standards.
Innovation & Continuous Improvement:
- Identify areas for improvement in the software development lifecycle.
- Stay updated with the latest tech trends, especially in AI and cloud technologies, and recommend new tools or frameworks.
Required Skills
- Strong proficiency in JavaScript, HTML5, CSS3
- Hands-on expertise with frontend frameworks like React, Angular, or Vue.js
- Backend development experience with Java, Spring Boot (Node.js is a plus)
- Knowledge of REST APIs, microservices, and scalable architectures
- Familiarity with cloud platforms (AWS, Azure, or GCP)
- Experience with Agile/Scrum methodologies and JIRA for project tracking
- Proficiency in Git and version control best practices
- Strong debugging, performance optimization, and problem-solving skills
- Ability to analyze customer requirements and translate them into technical specifications
Job Description: -
Full Stack Developer will work closely with cross-team to discover effective and elegant solutions to complex
problems.
Excellent knowledge of HTML, CSS, Material-UI and Responsive.
Strong concepts of Javascript, ReactJs, NextJS.
Should have Excellent Experience of Node.js.
In-Depth knowledge of Express Js, JavaScript,
Should have experience in MongoDB, GraphQL, and any graph Database
Experience working with REST APIs.
Good Knowledge of AWS – Beanstalk, EC2, S3, Lambda, Cloud Watch.
Good Knowledge of JSON, API, and JWT.
Good Knowledge of Firebase – Authentication, Firestore, Realtime DB, Hosting.
·Good understanding of/experience with CI tools (Jenkins, Github Actions) and testing frameworks
Good to have Agile Continuous Deployment experience.
Ability and willingness to manage multiple projects/tasks.
Great collaborator who takes initiative, asks questions, explains themselves clearly, and are open to feedback
Ability to Identify and fix production and non-production application issues as a part of the deployment.
Fresher require
Understanding accessibility and security compliance (Depending on the specific project)
User authentication and authorization between multiple systems, servers, and environments.
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application.
Good communication and language skills.
Strong focus on performance optimizations, caching, and scalability.
Ability to deal well with ambiguous/undefined problems; ability to think abstractly.
Position Overview
We are seeking a highly skilled React Native Developer with a strong background in the MERN (MongoDB, Express.js, React.js, Node.js) stack to join our dynamic team. The ideal candidate will have a minimum of 2 years of professional experience and a proven track record of developing robust, scalable mobile applications using React Native. This role offers an exciting opportunity to work on innovative projects and significantly contribute to the growth and success of our startup.
Key Responsibilities
● Develop High-Quality Mobile Applications: Create user-friendly mobile applications using React Native, ensuring high performance and responsiveness.
● Collaborate with Cross-Functional Teams: Work closely with product managers, designers, and other developers to define, design, and deliver new features.
● Maintain Clean and Efficient Code: Write clean, maintainable, and efficient code following industry best practices and coding standards.
● Optimize Application Performance: Enhance application performance for speed and scalability.
● Participate in Code Reviews: Engage in code reviews, discussions, and knowledge-sharing sessions to improve team output and code quality.
● Troubleshoot and Debug: Identify and resolve application issues to ensure smooth functionality.
● Stay Updated with Trends: Keep abreast of emerging technologies and trends in mobile development to incorporate best practices.
Requirements
● MERN Stack Proficiency: Strong expertise in MongoDB, Express.js, React.js, and Node.js.
● RESTful APIs and Web Services: Solid understanding and experience in integrating RESTful APIs and web services.
● Version Control Systems: Proficient with Git for version control.
● Mobile UI/UX Design Principles: Knowledge of best practices in mobile UI/UX design.
● Problem-Solving Skills: Excellent analytical and problem-solving abilities.
● Team and Independent Work: Ability to work both independently and as part of a team in a fast-paced startup environment.
● Communication and Collaboration: Strong verbal and written communication skills, with the ability to collaborate effectively with team members.
Nice to Have
● GraphQL: Familiarity with GraphQL for efficient data fetching.
● Cloud Services: Knowledge of cloud services such as AWS or Firebase.
WHAT WE'RE LOOKING FOR
- Bachelors or masters in software engineering, Computer Science or other relevant disciplines
- 2+ years experience as a Back-End or Full Stack Developer with hands-on experience working with Python web application development
- Strong Knowledge in Python v3.x Language
- Experience in REST APIs with JSON
- Error handling and Logging
- Any DB knowledge
- Knowledge on Sumo Logic log aggregation is a plus
- Must know how to produce high quality, “Clean” code that is performant, maintainable and secure
What you’ll do:
• 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
What you’ll need:
• Proven experience as a Full Stack Developer or similar role
• Experience as a node.js developer
• Experience as a React Native Developer
• Experience in handling build systems, deployments, and cloud systems
• Experience developing desktop and mobile applications
• Knowledge of multiple front-end languages and libraries (e.g. JavaScript, XML, jQuery)
- Working on both front-end and back-end programming, relevant frameworks, and third-party libraries
- Building reusable code and libraries for future use.
- Participating in DevOps.
- Owning & building new modules/features end-to-end independently.
- Collaborating with other team members and stakeholders.
- Working in an agile environment to rapidly build high quality and robust features.
- Proactively discovering, evaluating, and implementing new technologies to improve development efficiency.
What you need to have:
- Master in Node.js and frameworks available for it.
- Hands-on with anyone (Angular / React / Vue) frontend framework. Hands-on with Vue will be a big plus.
- Experience with modern JS toolchains such as Webpack, Grunt, Bower, and Yeoman.
- Hands-on experience with AWS & DevOps.
- Good understanding of SQL & No-SQL Databases.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Open Source and DevOps enthusiast.
- Comfortable with Test Driven Development.
- Can learn and adapt fast, as well as identifying and solving problems.
- Understanding of Git, SPA, PWA, Docker.
- You should also be a team player.










