
● 5+ years of experience as a Data engineer or related role.
● 5+ years of experience in application development using Python
● Strong experience with SQL and good to have NoSQL.
● Experience with Agile engineering practices.
● Preferred experience in writing queries for RDBMS, cloud-based data warehousing solutions like
Snowflake.
● Ability to work independently or as part of a team.
● Experience with cloud platforms, preferably AWS, is good to have
● Experience with ETL/LT tools and methodologies.
● Experience working on real-time Data Streaming and Data Streaming platforms

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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Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai
Experience - 4 to 10 years
Kindly revert over mail if you are interested.
Java Developer – Job Description
We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.
Key Responsibilities
- Design and develop robust backend services and APIs primarily using Java (Spring Boot)
- Contribute to Python-based components where needed for automation, scripting, or lightweight services
- Build, integrate, and optimize RESTful APIs and microservices
- Work with relational and NoSQL databases
- Write unit and integration tests (JUnit, PyTest)
- Collaborate closely with DevOps, QA, and product teams
- Participate in architecture reviews and design discussions
- Help maintain code quality, organization, and automation
Required Skills & Qualifications
- 4 to 10 years of hands-on Java development experience
- Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
- At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
- Familiarity with Python frameworks like Flask or FastAPI is a plus
- Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
- Good understanding of OOP, design patterns, and software engineering best practices
- Familiarity with Docker, Git, and CI/CD pipelines
Key Responsibilities
- Develop and maintain Python-based applications.
- Design and optimize SQL queries and databases.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Write clean, maintainable, and efficient code.
- Troubleshoot and debug applications.
- Participate in code reviews and contribute to team knowledge sharing.
Qualifications and Required Skills
- Strong proficiency in Python programming.
- Experience with SQL and database management.
- Experience with web frameworks such as Django or Flask.
- Knowledge of front-end technologies like HTML, CSS, and JavaScript.
- Familiarity with version control systems like Git.
- Strong problem-solving skills and attention to detail.
- Excellent communication and teamwork skills.
Good to Have Skills
- Experience with cloud platforms like AWS or Azure.
- Knowledge of containerization technologies like Docker.
- Familiarity with continuous integration and continuous deployment (CI/CD) pipelines
Strong written/verbal communication skills
· Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Enguru is India’s leading destination for online learning English, with over 4 crore learners who have used our products. enguru caters to multiple audiences, including adult and children learners looking to learn English through live group and/or personal classes.
About the role
You will get to lead backend development across the enguru product suite, including our spoken English app for adults and spoken English app for kids amongst others. You will work closely with other engineers and product managers to help optimise the architecture across our apps.
Desired Experiences & Skillsets
- Experience with Python/Django and worked with &
- End-to-end expertise in web application
- Strong understanding of structured & unstructured databases
- Proficient with JS Frameworks
- Dev-ops experience around handling deployments &
- Led and/or collaborated closely with team members
Proficiency with tools such as
- Python
- Django
- Rest APIs (and RESTful API principles)
- Angular
- React
- mongoDB
- AWS
- Docker
Your Responsibilities :
1) Building highly scalable and secured applications/microservices and responsive APIs
2) Assessing the security risks associated with the platform architecture and suggesting/implementing suitable changes for the same.
3) Architect and implement back-end services to support our mobile and web clients.
4) Creating and implementing database schemas that represent and support business processes.
5) Use best software development practices and processes including unit testing, code reviews, and site monitoring post deployment.
6) Continue to research and evaluate new technologies that may improve performance and elegance of our software implementation.
7) Explore and Integrate third-party APIs when required for the project.
8) Work closely with the rest of the team to bring our features into production.
Your skills :
- Hands-on experience in Django Framework.
- Strong Knowledge of Python.
- Strong Knowledge of MVC design pattern and object oriented programming concepts.
- Strong knowledge of RDBMS like Postgresql and Database schema design.
- Experience in developing robust and secure RESTful web API and microservices using Django/Python.
- Experience in Test Driven Development.
- Experience in handling No-SQL MongoDB or similar.
- Hands-on experience in GitHub.
- Experience in CI, CD tools like jenkins.
- Experience in managing cloud-based web applications on Amazon Web Services or Google Cloud.
- You love code and up for the challenge!
We are looking for an experienced Back-end developer to join our IT team! As a Back-end Developer, you will be responsible for the server-side web application logic as well as for the integration of the front-end part.
- Be involved and participate in the overall application lifecycle
- Main focus on coding and debugging
- Collaborate with Front-end developers
- Define and communicate technical and design requirements
- Provide training, help and support to other team members
- Build high-quality reusable code that can be used in thew future
- Develop functional and sustainable web applications with clean codes
- Troubleshoot and debug applications
- Learn about new technologies
- Stay up to date with current best practices
- Conduct UI tests and optimize performance
- Manage cutting-edge technologies to improve applications
- Collaborate with multidisciplinary team of designers, developers and system administrators
- Follow new and emerging technologies
● 3-6 Years of experience with a Bachelor’s/Master's degree in Computer Science, Math, or related
technical domain
● Skilled in software development lifecycle, and designing and developing large-scale, multi-tiered,
distributed software applications, tools, systems or services using Object Oriented Design,
distributed programming, Java, Python, Node.js.
● Knowledge of ORM tools like Hibernate, JPA.
● Good knowledge of one or more relational and NoSQL databases
● Experience in deployment of microservices over Amazon Web Services
● Experience in delivering quality products using microservices architecture.
● Knowledge of Agile methodologies & best practices for the full software development life cycle,
including coding standards, code reviews, source control management, build processes, testing,
and operations
● Strong hold on Data Structure, Problem solving skills
To succeed at Zest, you will need
● Ability to operate and communicate with every business unit and level of hierarchy
● High levels of energy and enthusiasm for all that you do
● Be someone who does not take “no” for an answer and pushes for continuous innovation and
evolution
● Have extremely high standards in everything you do – you will be required to keep raising the bar
● Ability to think big and to inspire a vision in others
● Kindness, warmth and a positive, optimistic attitude
And what do you get in return?
● Opportunity to be part of one of the most exciting consumer growth stories in the world
● One of the best funded and most far advanced companies in the space (investors are leading
global VCs)
● We will teach you all you need to know about “Fintech”
● Endless amounts of learning and development – formal and informal
● Ability to work with some of the best, nicest and most passionate people in the digital lending
industry – from all over the world
● Founders with the right vision and motivation to make this a success story
● Freedom to work how you like (we do not do ‘facetime’)
● A culture of trust and honesty – we will not second guess you
● A flat structure with minimal politics or hierarchy
● Recognition and respect for your work
● Market beating compensation and Equity ownership for the best candidate
● Lunch, great healthcare, decent coffee and a nice office.
We are looking for a Python Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well.
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Integration of user-facing elements developed by front-end developers with server side logic
- Implementation of security and data protection
- Integration of data storage solutions








