
Data Engineer
Experience: 4–6 years
Key Responsibilities
- Design, build, and maintain scalable data pipelines and workflows.
- Manage and optimize cloud-native data platforms on Azure with Databricks and Apache Spark (1–2 years).
- Implement CI/CD workflows and monitor data pipelines for performance, reliability, and accuracy.
- Work with relational databases (Sybase, DB2, Snowflake, PostgreSQL, SQL Server) and ensure efficient SQL query performance.
- Apply data warehousing concepts including dimensional modelling, star schema, data vault modelling, Kimball and Inmon methodologies, and data lake design.
- Develop and maintain ETL/ELT pipelines using open-source frameworks such as Apache Spark and Apache Airflow.
- Integrate and process data streams from message queues and streaming platforms (Kafka, RabbitMQ).
- Collaborate with cross-functional teams in a geographically distributed setup.
- Leverage Jupyter notebooks for data exploration, analysis, and visualization.
Required Skills
- 4+ years of experience in data engineering or a related field.
- Strong programming skills in Python with experience in Pandas, NumPy, Flask.
- Hands-on experience with pipeline monitoring and CI/CD workflows.
- Proficiency in SQL and relational databases.
- Familiarity with Git for version control.
- Strong communication and collaboration skills with ability to work independently.

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
Similar jobs
Job Title : Flutter Dart Developer (Backend Heavy - Node.js)
Experience Required : 5+ Years
Location : Bellandur & Manthali, Bangalore – Onsite Only
Type : Contractual
About the Role :
We are looking for an experienced Flutter Dart Developer with a backend-heavy architecture (Node.js) to join our team on a contractual basis.
This role goes beyond basic UI development — we need someone who understands the complexities of security, caching, APIs, SQL, server-side rendering, performance tuning, and scalable backend architecture.
Mandatory Skills : Flutter, Dart, Backend-heavy architecture (Nodejs), RESTful APIs, SQL, Caching, Firebase, State Management (Bloc/Provider/Riverpod), Performance Tuning, Git, Mobile Deployment (iOS & Android), Agile
Key Responsibilities :
- Develop high-performance cross-platform apps using Flutter & Dart.
- Translate complex UI/UX into responsive mobile experiences.
- Collaborate with product, design, and backend (Node.js) teams to deliver scalable features.
- Implement caching, security, SQL, and performance optimization strategies.
- Integrate RESTful APIs, Firebase, and third-party libraries.
- Conduct code reviews and support junior developers.
- Stay updated on emerging mobile/backend technologies.
Required Skills & Qualifications :
- 5+ Years in Mobile Development, 3+ Years with Flutter & Dart.
- Strong knowledge of state management (Bloc, Provider, Riverpod).
- Hands-on experience in Node.js for backend development.
- Expertise in API design, SQL, caching, offline storage, security, and performance tuning.
- Experience with Firebase, push notifications, and app deployment on iOS & Android.
- Familiarity with native mobile development (Kotlin/Java or Swift/Obj-C) is a plus.
- Proficient in Git and Agile methodologies with excellent problem-solving skills.
Job Title: Full Stack Developer – Java + React
Location: Bangalore
Experience: 10 to 14 Years
Job Summary:
We are looking for a skilled Full Stack Developer with strong experience in Java (backend) and React.js (frontend) to join our dynamic engineering team. The ideal candidate will have hands-on experience in building scalable web applications, RESTful services, and responsive UI components.
Key Responsibilities:
- Develop and maintain scalable backend services using Core Java / Spring Boot
- Design and implement responsive, high-quality front-end interfaces using React.js
- Integrate backend APIs with frontend components seamlessly
- Collaborate with product managers, architects, and QA to deliver quality software
- Ensure code quality through unit testing, code reviews, and performance tuning
- Troubleshoot and debug production issues as needed
Key Skills Required:
Backend:
- Strong programming skills in Core Java, Java 8+
- Experience with Spring Boot, RESTful APIs, Microservices architecture
- Good understanding of JPA/Hibernate, and SQL/NoSQL databases
Frontend:
- Proficient in React.js, JavaScript (ES6+), HTML5, CSS3
- Experience with Redux, React Hooks, and component-based architecture
- Familiarity with front-end build tools (Webpack, Babel, NPM)
Full Stack Developer Intern
Company: BizDateUp Pvt Ltd
Location: Charni Road, Mumbai
Employment Type: Internship
(Immediate Joining Preferred)
Experience Level: Entry / Mid-Level(0 – 1 year experience)
Stipend: As per company standards
About
BizDateUp Pvt Ltd BizDateUp Pvt Ltd is a dynamic and fast-paced technology startup committed to building innovative solutions. We believe in fostering a collaborative environment where our team members can learn, grow, and make a tangible impact on real-world projects. Join us to kickstart your career in a supportive and challenging setting. About the Role We are looking for a highly motivated and enthusiastic Full Stack Developer Intern to join our growing tech team. This is an exceptional opportunity for aspiring developers to gain hands-on experience with modern web technologies, contribute to live projects, and receive mentorship from experienced professionals. If you're passionate about building scalable full-stack applications and eager to learn in a startup environment, we encourage you to apply. Key Responsibilities As a Full Stack Developer Intern, you'll be an integral part of our development team, contributing to the full software development lifecycle.
Your responsibilities will include:
• Code Review and Analysis: o Review and analyze existing codebase to understand functionality, identify areas for optimization, and ensure adherence to best practices. o Participate in code reviews with senior developers, providing constructive feedback and learning from their insights.
• Front-End Development: o Assist in building responsive and intuitive user interfaces using React.js. o Implement new features and functionalities based on design specifications and user stories. o Debug and resolve issues related to the front-end application.
• Back-End Development: o Support the development of robust and scalable server-side applications using Node.js and Express.js. o Contribute to the design and implementation of RESTful APIs to facilitate communication between front-end and back-end systems. o Work with PostgreSQL to manage and query databases, ensuring data integrity and efficient retrieval.
• Collaboration and Learning: o Collaborate closely with senior developers, product managers, and other team members to understand project requirements and deliver high-quality solutions. o Actively participate in team meetings, stand-ups, and brainstorming sessions. o Proactively seek feedback and mentorship from experienced developers to enhance your technical skills and understanding.
• Testing and Debugging: o Assist in writing unit and integration tests to ensure the reliability and stability of applications. o Identify, analyze, and resolve bugs and performance issues across both front-end and back-end systems.
• Version Control: o Utilize Git for version control, including branching, merging, and pull requests, to manage codebase effectively within a team environment.
• Documentation: o Contribute to the creation and maintenance of technical documentation for features, APIs, and system architecture. Required Skills To succeed in this role, you should have a foundational understanding and practical experience with the following technologies: • Programming Languages: Strong command of TypeScript and JavaScript. • Frontend Framework: Proficiency in React.js.
• Backend Technologies: Experience with Node.js and Express.js.
• Database: Familiarity with PostgreSQL.
• Version Control: Working knowledge of Git.
• APIs: Understanding of RESTful APIs.
Eligibility Criteria
• Currently pursuing or have completed a BCA / B.Tech / B.Sc in Computer Science or a closely related field.
• Possess strong problem-solving skills and a genuine eagerness to learn and adapt to new technologies.
• Demonstrate a strong passion for building full-stack applications and a desire to contribute to innovative projects.
Perks & Benefits
We are committed to providing a rewarding internship experience. As a Full Stack Developer Intern at BizDateUp Pvt Ltd, you will enjoy:
• Hands-on Experience: Work directly with modern web technologies and contribute to real-time projects.
• Mentorship: Receive guidance and support from experienced senior developers who are invested in your growth.
• Learning Opportunity: Gain invaluable insights into the full software development lifecycle in a fast-paced startup.
• Internship Certificate: A certificate of internship will be provided upon successful completion of your tenure.
• Potential for Full-Time Conversion: Exceptional performance during your internship may lead to an offer for a full-time position.
What You’ll Be Doing
- 🛠 Write code for web and mobile apps, fix bugs, and work on features that people will actually use.
- 💡 Join brainstorming sessions and help shape our products.
- 🚀 Things move fast here, and you’ll learn as you go.
- 🤝 Work closely with everyone—designers, developers, and even marketing folks.
- 🔧 Diving into Our Tech Stack: React, React Native Node, Express, Python, FastAPI, and PostgreSQL.
What We’re Looking For
We’re not looking for perfection, but if you’re curious, motivated, and excited to learn, you’ll fit right in!
For Backend Engineers
- 💻 Strong knowledge of Python, FastAPI, and PostgreSQL.
- 🔍 Solid understanding of Low-Level Design (LLD) and High-Level Design (HLD).
- ⚡ Ability to optimize APIs, manage databases efficiently, and handle real-world scaling challenges.
For Frontend Engineers
- 💻 Expertise in React Native.
- 🎯 Knowledge of native Kotlin (Android) and Swift (iOS) is a big bonus.
- 🚀 Comfortable with state management, performance optimization, and handling platform-specific quirks.
General Expectations for All Engineers
- 🛠 While you’ll be specialized in either frontend or backend, you should be good enough to fix bugs in both.
- 🔍 You enjoy figuring things out and experimenting until you get it right.
- 🤝 Great communication skills and a collaborative mindset.
- 🚀 You’re ready to dive in and make things happen.
Interview Process
If we like your application, Be ready to:
- Solve a data structures and algorithms (DSA) problem in your preferred programming language.
- Answer questions about your specialized area (frontend/backend) to showcase your depth of knowledge.
- Discuss a real-world problem and how you’d debug & fix an issue in both frontend and backend
Why Join Us?
- 💡 Your work will matter here—no busy work, just real projects with real outcomes.
- 🚀 Help shape the future of our company.
- 🎉 We’re all about solving cool problems and having fun while we do it.
Hello folks ,
We are #hiring in bulk, interested candidates dm intrested
Job Type: Full-time (work from office only)
Job Location: Bikaner, Rajasthan
Roles/Responsibilities:
Own a team of 15-20 Developers and QAs at various levels
Provide continuous feedback, training and make sure team is working on their full
potential at all time
Review the architecture/design of a product/module/feature and provide feedback
Architect, design and/or hands-on code the critical portion of a
product/module/feature
Mentor the tech-leads on architecting the product to deliver on-time
Jobs Skills required:
Strong tech background of working in product company
Understanding of various backend and frontend technologies and its core concepts
Ability to understand the business problems and solve it with innovative tech
solutions
Very strong analytical and problem-solving skills in super changing environment
- Roles & Responsibilities -
* We are looking for full-stack/back-end developers.
* Our ideal candidate will be able to build applications from scratch and deliver
a complete project i.e. understand requirements, design architecture, write reusable code that follows basic coding standards, test, deploy and support/follow-up features.
* As a start-up, we are keen to work with people who are passionate about technology and who love the speed, chaos, and versatility of start-ups.
Skills and Qualifications -
* Team player with strong work ethic; Detail and deadline-oriented; Take ownership of tasks.
* Good with version control systems like Git.
* Professional understanding of CS fundamentals, data structures and algorithms.
* Knowledge of Python is preferred.
* Hands-on experience with front-end technologies - HTML5, CSS3, Bootstrap library & JavaScript/jQuery.
* Knowledge of Angular 2/ReactJs is a plus.
* Knowledge of Rest API is a plus.
Perks -
* Competetive compensation
* MaBook
* Friendly Leave Policy
Roles & Responsibilities:
- As one of the earliest employees, there will be a lot on your plate. All the time!
- You'll build new product features from start to finish: through conception, research, maintenance, and polish. Think features to improve our collaborative student learning platforms, such as new collaborative learning activities for teaching coding and other subjects.
- You'll build improvements to performance, reliability, and product polish — for example, improving the efficiency and performance of our replicated state systems.
- You'll build and improve processes and internal tools with simplicity and productivity in mind — such as, a tool to sync updates between Zoho, slack etc.
This might be for you if...
- You have knowledge of ReactJS and any backend technology along with that
- You have been professionally coding for at least 3 years
- You have worked in a startup and relish the chaos and pressure
- You've built and maintained quality user interfaces that have reached a large audience, ideally while the product is experiencing rapid growth.
- You can readily learn most technologies as you go. To you, technologies are about tools and tradeoffs, not an ideology.
- You care about the business implications of anything you build. You're not just going after cool stuff — you understand the balance between craft, speed, and the bottom line.
- demonstrates a growth mindset, seeks feedback often and is effective in continuous personal and professional development
- provides expertise in all phases of the development lifecycle from concept and design to testing
- defines the architecture, best practices and coding standards for the product development team
- supports continuous technical improvement by investigating alternatives and technologies and presenting these for architectural review
- motivates team members and extends goodwill to other employees while having fun!
In order to be successful in this role, we need someone who has:
- 2+ years of software industry experience
- Strong Expertise in JS, PHP, React, Node, Angular2+, MySQL, PostgreSQL
- Solid understanding of software design, development, testing, and problem-solving
- Expertise in coding efficient, high quality and modularized software
- Experience in developing Web services - Rest/Soap APIs/HTTP API - Microservices
- Experience setting up and managing servers. Devops experience is a big plus
- Strong exposure on Database like RDBMS - Postgres DB / NoSQL DB like DynamoDB, Elasticsearch
- Experience in Cloud / Storage like Amazon (AWS) - EC2/EBS/S3
- Expertise in test automation
- Familiarity with Unix shell and source control systems and tools such as git
- Strong technical leadership skills
- Comfortable collaborating with designers, front-end developers and other team members
- Strong communication skills
- Technical Coaching and mentoring skills
- Understanding of machine learning, natural language processing is a plus
● Be responsible for programming and software development using various programming languages and related tools and frameworks, reviewing code written by other programmers, requirement gathering, bug fixing, testing, documenting and implementation.
● Good understanding of GoLang and microservices
● To take up development and deployment of native code to manage the customer facing platforms
● Explain complex technical issues to project managers, developers, application leads and architects in an easy to understand manner, and recommend clearly thought out solutions.
● Knowledge of Integration Design patterns for building middleware systems from the ground up
● Knowledge of Web Services Interoperability, standards and ability to suggest, criticize and formulate solutions in a multi-vendor and architecture discussions.
● Develop solutions by designing system specifications, standards and programming
● Troubleshoot issues and provide bug fixes











