
Experience: 2–6 Years
Location: [Bangalore]
Employment Type: Full-time/ WFO
Notice - 30 days
Role Overview
We are looking for a skilled and motivated .NET Developer with 2–6 years of experience to join our dynamic team. The ideal candidate should have a strong foundation in .NET technologies, relational databases, and cloud-based application development. You will be responsible for designing, developing, and maintaining scalable, secure, and high-performance applications while collaborating with cross-functional teams in an Agile environment.
Key Responsibilities
- Design, develop, and maintain applications using .NET technologies.
- Work extensively with relational databases and optimize SQL queries for performance.
- Develop and maintain API-driven solutions and integrate with ETL/data warehouse environments handling large volumes of data.
- Apply Object-Oriented Programming (OOP) principles and design patterns to build scalable and maintainable solutions.
- Develop, migrate, and deploy applications in Microsoft Azure Cloud (Managed SQL, VMs, containerized architecture).
- Write and optimize SSAS queries for analytics and reporting.
- Collaborate with Product Owners, Architects, and QA in an Agile development environment (Scrum/Kanban).
- Participate in code reviews, sprint planning, and daily standups to ensure high-quality deliverables.
- Implement best practices in security, performance, and cloud-native development.
- Build and maintain frontend components using Angular frameworks (2–3 years preferred).
Required Skills & Qualifications
- 2–6 years of experience in software development using .NET technologies.
- Strong understanding of OOP concepts and design patterns.
- Hands-on experience with SQL, data warehouses, ETL pipelines, and high-volume data processing.
- Proven experience in API development and integration.
- 3–5 years of experience in Azure Cloud with cloud-native development and application migration.
- Proficiency in Azure services: Managed SQL, VMs, container-based deployments.
- Experience with SSAS query writing and optimization.
- 2–3 years of experience in frontend development with Angular frameworks.
- Familiarity with Agile methodologies and collaboration tools (JIRA, Azure DevOps, Git, etc.).
- Strong problem-solving skills, attention to detail, and ability to work independently as well as in a team.
Good to Have
- Experience in Azure DevOps CI/CD pipelines.
- Knowledge of other cloud providers (AWS, GCP) is a plus.
- Exposure to performance tuning, monitoring, and troubleshooting in cloud-hosted applications.
Education
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.

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.
Connect with the team
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StarApps Studio is a product-driven SaaS company building Shopify apps that power thousands of online stores. We’ve developed 6 highly-rated Shopify apps (averaging 4.9★) used by 30,000+ Shopify merchants worldwide, including over 1,000 Shopify Plus stores. In just a few years, our bootstrapped team grew from $5.5M to $10M in Annual Recurring Revenue (ARR) by obsessing over quality and merchant success. We’re a tight-knit, 20-person team based in Baner, Pune, on a mission to help e-commerce brands create world-class shopping experiences.
Role Overview
We are looking for a Full Stack Developer who will own features end-to-end with an emphasis on backend excellence. In this role, you will design and optimize complex data models and API architectures in Ruby on Rails, implement robust background job queues (e.g. delayed_job) for heavy workloads, and perform rigorous performance tuning to ensure our systems scale. On the frontend, you'll build and integrate React components to deliver complete, user-friendly features. This is a role for someone who loves tackling deep technical challenges in the backend while also crafting intuitive user interfaces – an opportunity to leverage your backend expertise while driving full-stack product ownership.
Key Responsibilities
- Architect & Optimize Backend: Design scalable database schemas and efficient data models. Develop high-performance RESTful APIs and services in Ruby on Rails, ensuring clean, maintainable code and great performance.
- Backend API Development: Design, implement, and maintain robust backend services and RESTful APIs in Ruby on Rails to support new features and internal tools.
- End-to-End Performance Tuning: Optimize application performance across the stack – from minimizing frontend load times to improving backend query efficiency – for our high-traffic, data-intensive apps.
- Collaboration & Agile Delivery: Work closely with designers, product managers, and QA to translate requirements into technical solutions. Participate in sprint planning, code reviews, and daily deployments to ship features continuously and reliably.
- Quality & Maintenance: Write clean, maintainable code with appropriate test coverage (unit and integration tests) to ensure reliability. Monitor, debug, and resolve issues in production, and continually refactor and improve existing code for stability and performance
What We’re Looking For (Requirements)
- 4–8 Years Experience: Proven experience as a software developer in a product company (experience in e-commerce or SaaS is highly preferred). You have built real products used by actual customers at scale.
- Ruby on Rails Expertise: Strong command of Ruby on Rails. Experience designing RESTful APIs, working with MVC architecture, and using Rails best practices. You should understand how to structure large Rails applications for maintainability.
- Backend Proficiency: Comfortable building server-side applications and APIs with Ruby on Rails. You can implement business logic, integrate with databases, and create RESTful endpoints (bonus if you’ve worked with GraphQL or other backend frameworks).
- Database Skills: Proficiency with PostgreSQL (or similar RDBMS). Capable of writing complex SQL queries, optimizing queries/indexes, and designing efficient relational schemas. Familiarity with Redis or caching strategies is a plus.
- Front-End Proficiency: Comfortable building user interfaces with React and modern JavaScript/TypeScript. Able to implement frontend components that consume APIs and provide a smooth user experience.
- System Design & Quality: Solid understanding of web application architecture, performance tuning, and scalability concerns. Experience with profiling, benchmarking, and optimizing web applications. Commitment to writing clean, maintainable code with proper tests.
- Product Mindset: You care about the why behind the features. You are comfortable digging into requirements, questioning assumptions, and ensuring that we build solutions that truly solve merchant problems.
- Adaptability & Collaboration: Excellent problem-solving skills, communication, and ability to work in a fast-paced, collaborative environment. You are a self-starter who can take ownership of tasks and drive them to completion, but also know when to ask for help.
Tech Stack
- Frontend: React, TypeScript/JavaScript, HTML5, CSS3 (Tailwind/Bootstrap), modern build tools (Webpack, Babel).
- Backend: Ruby on Rails (REST APIs, background jobs), some services in Python.
- Database: PostgreSQL.
- Cloud & DevOps: Amazon Web Services (EC2, S3, RDS, CloudFront), Docker, CI/CD for daily deployments.
- Tools: Git (GitHub), Agile issue tracking (JIRA/Trello), and a keen use of automated testing.
(Don’t worry if you aren’t familiar with every item – we value willingness to learn. This is our current stack, and we continually adopt new technologies that improve our products.)
Why Join Us
- High Impact & Ownership: Your work will directly enhance the shopping experience of 50M+ shoppers daily. At StarApps, developers deploy code daily and see the immediate impact on thousands of merchants – you’ll own projects end-to-end and build features that matter.
- Fast-Growing, Profitable Startup: Join a bootstrapped, profitable company on an exciting growth trajectory (from $4M to $10M ARR). There’s no bureaucracy here – just a passionate team obsessed with product quality and merchant happiness. You’ll be part of our core team as we scale, with ample opportunities to grow into leadership roles.
- Cutting-Edge Tech & Challenges: Work with modern technologies (React, Rails, AWS) on performance-intensive applications. Tackle complex challenges in scaling, optimization, and UX for a global user base – continuously sharpen your skills in a supportive, learning-focused environment.
- Collaborative Culture: We are a small 25-person team that operates like a close-knit family. You’ll work side by side with experienced founders and a talented team that values innovation, humility, and continuous improvement. Our culture is open, empathetic, and growth-oriented – every voice is heard, and every team member plays a crucial role in our success.
Growth & Benefits: We invest in our team’s growth. Expect a competitive salary, performance bonuses, and whatever tools you need to do your best work. We sponsor professional development (courses, conferences, books) and encourage knowledge-sharing. You’ll enjoy a flexible leave policy, team off-sites, and the excitement of building a global product from our new office in Baner, Pune.
Role : Java Developer (2-7 years)
Location : Bangalore
Key responsibilities
- Develop and maintain high-quality, efficient, and scalable backend applications.
- Participate in all phases of the software development lifecycle (SDLC)
- Write clean, well-documented, and testable code adhering to best practices.
- Collaborate with team members to ensure the successful delivery of projects.
- Debug and troubleshoot complex technical problems.
- Identify and implement performance optimizations.
- Participate in code reviews
- Hands-on experience with Spring boot, Java 8 and above.
- 2-7 years of experience developing Java applications.
- Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
- Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Strong understanding of object-oriented programming (OOP) principles.
- Experience with design patterns and best practices for Java development.
- Proficient in unit testing frameworks (e.g., JUnit).
- Experience with build automation tools (e.g., Maven, Gradle).
- Experience with version control systems (e.g., Git).
- Experience with one of these databases – Postgres, MongoDb, Cassandra
- Knowledge on Retail or OMS is a plus.
- Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
- Ability to reverse engineer existing/legacy and document findings on confluence.
- Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.
We are looking for an experienced Full Stack Web Developer Trainer to deliver hands-on training in front-end and back-end technologies. The role involves teaching modern web development concepts, mentoring learners, and guiding them through real-world projects.
Courses Covered
- Web Fundamentals (HTML5, CSS3, Responsive Design)
- JavaScript & ES6+
- Front-End Frameworks (React / Angular / Vue)
- Backend Development (Node.js & Express / Django / Java)
- Database Management (MySQL, PostgreSQL, MongoDB)
- RESTful APIs & Authentication
- Version Control (Git & GitHub)
- Deployment & Cloud Basics
- Web Security Best Practices
- Real-World Projects & Capstone Project
If you want, I can make it:
- Beginner-friendly
- MERN stack only
- Short bullet list
- Syllabus-style with duration
About Cognida.ai:
Our Purpose is to boost your competitive advantage using AI and Analytics.
We Deliver tangible business impact with data-driven insights powered by AI. Drive revenue growth, increase profitability and improve operational efficiencies.
We Are technologists with keen business acumen - Forever curious, always on the front lines of technological advancements. Applying our latest learnings, and tools to solve your everyday business challenges.
We Believe the power of AI should not be the exclusive preserve of the few. Every business, regardless of its size or sector deserves the opportunity to harness the power of AI to make better decisions and drive business value.
We See a world where our AI and Analytics solutions democratise decision intelligence for all businesses. With Cognida.ai, our motto is ‘No enterprise left behind’.
Position: Python Fullstack Architect
Location: Hyderabad
Job Summary
We’re seeking a seasoned Python Fullstack Architect with 15+ years of experience to lead solution design, mentor teams, and drive technical excellence across projects. You'll work closely with stakeholders, contribute to architecture governance, and integrate modern technologies across the stack.
Key Responsibilities
- Design and review Python-based fullstack solution architectures.
- Guide development teams on best practices, modern frameworks, and cloud-native patterns.
- Engage with clients to translate business needs into scalable technical solutions.
- Stay current with tech trends and contribute to internal innovation initiatives.
Required Skills
- Strong expertise in Python (Django/Flask/FastAPI) and frontend frameworks (React, Angular, etc.).
- Cloud experience (AWS, Azure, or GCP) and DevOps/CI-CD setup.
- Familiarity with enterprise tools: RabbitMQ, Kafka, OAuth2, PostgreSQL, MongoDB.
- Solid understanding of microservices, API design, batch/stream processing.
- Strong leadership, mentoring, and architectural problem-solving skills.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Expertise in backend programming with Node.js and MongoDB.
- Experience with React.js and redux.
- Material UI and 3rd party libraries.
- Experience with clean code writing practices like avoiding callback hell like promises, async.
- Thorough understanding of Node.js and its core principles.
- Experience with popular React.js workflows (such as Flux or Redux).
- Familiarity with newer specifications of ECMAScript.
- Experience with data structure libraries (e.g., Immutable.js).
- Familiarity with RESTful APIs.
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end builds pipelines and tools.
- A knack for benchmarking and optimization.
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
Responsibilities:
- Build Node.js APIs using microservices.
- Rewriting backend code with microservices architecture & Unit tests.
- Developing new user-facing features using React.js.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
and low-latency, required for mission-critical systems
● Delivering high availability and performance
● Contributing to all phases of the development lifecycle
● Writing well-designed, efficient, and testable code
● Conducting software analysis, programming, testing, and debugging
● Ensuring designs comply with specifications
● Preparing and producing releases of software components
● Good at frontend designing (HTML, CSS, JS, Material Designs) should be able to develop
Frontend shared by UX Designers.
● Developing JavaScript applications using Node.js, Express, React.js, and MongoDB.
● Write, execute, and maintain clean, reusable, and scalable code.
● Good understanding of CI/CD pipelines, versioning.
● Experience building Responsive websites for web, tablet, and mobile devices.
Requirements for the Job
● Experience with modern frameworks and design patterns, 3 to 4+ yrs experience. with the MERN
Fullstack paradigm.
● Experience in developing JavaScript applications using Node.js, Express, React.js, and MongoDB.
● Skills - HTML, CSS, Bootstrap, Material UI designs, React JS.
● Backend - MongoDB, REST APIs, Cloud Frameworks deployments.
● Experience with developing ML based SaaS platforms would be an added advantage.
upGrad is an online education platform building the careers of tomorrow by offering the most industry-relevant programs in an immersive learning experience. Our mission is to create a new digital-first learning experience to deliver tangible career impact to individuals at scale. upGrad currently offers programs in Data Science, Machine Learning, Product Management, Digital Marketing, and Entrepreneurship, etc. upGrad is looking for people passionate about management and education to help design learning programs for working professionals to stay sharp and stay relevant and help build the careers of tomorrow.
- upGrad was awarded the Best Tech for Education by IAMAI for 2018-19,
- upGrad was also ranked as one of the LinkedIn Top Startups 2018: The 25 most sought-after startups in India.
- upGrad was earlier selected as one of the top ten most innovative companies in India by FastCompany.
- We were also covered by the Financial Times along with other disruptors in Ed-Tech.
- upGrad is the official education partner for Government of India - Startup India program.
- Our program with IIIT B has been ranked #1 program in the country in the domain of Artificial Intelligence and Machine Learning.
Roles & Responsibilities
- Writing clean, high-quality, high-performance, maintainable code.
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements.
- Coordinate cross-functionally to insure project meets business objectives and compliance standards.
- Support test and deployment of new products and features.
- Participate in code reviews.
Skills Required
- A highly talented developer with 6-9 years of hands-on experience in building secure and scalable web based applications using Java in backend and JS based frontend frameworks
- Strong knowledge of Java 8+, databases (SQL and NoSQL) , MySql, Mongo
- Experience working with Cassandra, Spring Boot, Apache Spark, Kafka, RabbitMQ is highly desirable.
- Working knowledge of any one or more of AngularJS/ReactJS/VueJS and CSS3, HTML5.
- Strong experience in data modelling for data storage tools in SQL; experience with noSQL is highly desirable.
- Experience building scalable solutions for 2x, 5x and 10x growth with high quality and flexibility.
- Practitioner of test driven development practices. Experience in creating and adhering to best practices for development.
- Experience working with container technologies like Docker and knowledge of CI/CD processes for automated integration and deployment. Basic knowledge of AWS preferred.
- Strong experience in Microservices (SRP) paradigm.
- Willing to learn new technologies (Golang).
We are looking for a skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties.
Responsibilities
- Developing front end website architecture.
- Designing user interactions on web pages.
- Developing back end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Stay up-to-date with developments in web applications and programming languages.
Requirements
- 1-5 Year of Experience as Full Stack Developer.
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as Vue JS, Angular JS, React, and Nuxt.
- Proficiency with server side languages such as Java, Python, Ruby, PHP.
- Familiarity with database technology such as MySQL, Oracle and MongoDB.
- Experience working on MEAN (Angular JS, NodeJS, Express, MongoDB) and MERN Stack (ReactJS, React Native, NodeJS, Express, MongoDB).
- Optional experience of using AWS.
- Excellent verbal communication skills.
- Good problem solving skills.











