
Job Title: Data Engineer
Location: Pune, India
Experience: 5 to 9 years
Job Description:
We are seeking a talented and experienced Data Engineer to join our team in Pune. The ideal candidate will have a strong background in data engineering with expertise in Python, AWS, Spark, and Scala. This role is critical to our data infrastructure, ensuring that our data pipelines are robust, efficient, and scalable.
Required Skills:
- Python: Advanced proficiency with extensive experience in building data pipelines.
- AWS: Hands-on experience with AWS services such as S3, Lambda, Redshift, Glue, and EMR.
- Spark: Proficient in using Apache Spark for large-scale data processing.
- Scala: Working knowledge of Scala for Spark programming.
- Strong understanding of data warehousing concepts and ETL processes.
- Experience with SQL and relational databases.
- Familiarity with data governance and security best practices.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration skills.

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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Job Title : Python Django Developer
Experience : 3+ Years
Location : Gurgaon Sector - 48
Working Days : 6 Days WFO (Monday to Saturday)
Job Summary :
We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
Main Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, Microservice Architecture, Third-party API integrations (e.g., payment gateways, SMS/email APIs), REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.
Key Responsibilities :
- Write efficient, reusable, testable, and scalable code using the Django framework
- Develop backend components, server-side logic, and statistical models
- Design and implement high-availability, low-latency applications with robust data protection and security
- Contribute to the development of highly responsive web applications
- Collaborate with cross-functional teams on system design and integration
Mandatory Skills :
- Strong programming skills in Python and Django (or similar frameworks like Flask).
- Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
- Strong understanding of SQL and NoSQL ORM.
- Solid grasp of data structures, multithreading, and operating system concepts.
- Experience with RESTful API development and implementation of API security.
- Knowledge of JSON/XML and their use in data exchange.
Good-to-Have Skills :
- Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka.
- Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs).
- Familiarity with MongoDB and other NoSQL databases.
- Exposure to data science libraries such as Pandas, NumPy, Scikit-learn.
- Knowledge in building and integrating statistical learning models.
Job Description:
As a Backend Developer, you will:
- Implement server-side logic to ensure high performance and responsiveness to requests from the front-end.
- Integrate machine learning models for fraud detection, enhancing the security and reliability of our applications.
- Manage database operations, ensuring the integrity, security, and efficiency of data storage and retrieval.
- Collaborate with cross-functional teams to develop and maintain scalable, robust, and secure applications.
Responsibilities:
- Development of all server-side logic, definition, and maintenance of the central database.
- Ensuring high performance and responsiveness to front-end requests.
- Integrating data storage solutions, including databases, key-value stores, blob stores, etc.
- Implementing security and data protection measures.
- Integrating machine learning models for advanced data processing and analysis.
Key Performance Indicators (KPI) For Role:
- Quality and efficiency of backend systems developed.
- Effectiveness in integrating and deploying machine learning models.
- Database performance and security measures.
- Positive feedback from team members and stakeholders.
- Adherence to coding standards and best practices in backend development.
Prior Experience Required:
- Minimum 3+ years of backend development experience.
- Proficient in Node.js or Python (especially Django and Flask frameworks), or/and Go.
- Strong database management skills with both SQL and NoSQL databases.
- Experience in integrating and deploying machine learning models for real-world applications, specifically for fraud detection is highly desirable.
- Familiarity with RESTful API development and microservices architecture.
- Good understanding of asynchronous programming and its workarounds.
- Experience with cloud services (AWS, Azure, GCP) and serverless architectures.
Location:
Hyderabad
Collaboration:
The role involves close collaboration with frontend developers, data scientists, and project managers to ensure the seamless integration of backend services with front-end applications and data analytics models.
Salary:
Competitive, based on experience and market standards.
Education:
- Bachelor's degree in Computer Science, Information Technology, or a related field.
Language Skills:
- Strong command of Business English, both verbal and written, is required.
Other Skills Required:
- Strong analytical and problem-solving skills.
- Proficient understanding of code versioning tools, such as Git.
- Ability to design and implement low-latency, high-availability, and performant applications.
- Knowledge of security compliance and integrated security protocols.
- Familiarity with continuous integration and continuous deployment (CI/CD) pipelines.
- Experience with containerization technologies (Docker, Kubernetes) is a plus.
Other Requirements:
- Proven ability to work in a fast-paced, agile development environment.
- Demonstrated ability to manage multiple projects simultaneously and meet deadlines.
- A portfolio showcasing successful backend projects.
Job Overview:
We are looking for a seasoned Senior Backend Engineer (SDE III) with over 5 years of experience to lead, mentor, and grow a high-performing engineering team. The ideal candidate will have extensive hands-on experience in software development, deep technical expertise, and a proven track record of successfully leading large-scale engineering teams and projects. This role requires strategic leadership, the ability to manage complex technical challenges, and the ability to drive innovation while ensuring operational excellence.As a Backend Lead, you will collaborate with key stakeholders across the business, product management, and operations to ensure alignment with the organization’s goals and play a critical role in shaping the technology roadmap and engineering culture.
Key Responsibilities:
- Leadership and Team Development: Lead and inspire a team of engineers, fostering a culture of innovation, accountability, and continuous improvement. Manage the hiring, training, and career development of engineering staff.
- Strategic Planning: Work closely with senior leadership to develop and implement engineering strategies that support business objectives. Define technology roadmaps and ensure alignment with organizational goals.
- Technical Excellence: Guide the team in designing and implementing scalable, robust software systems. Drive the adoption of best practices in architecture, coding standards, and software testing to ensure high-quality product delivery.
- Project and Program Management: Oversee the successful delivery of engineering projects, ensuring deadlines, quality standards, and budget constraints are met. Use agile methodologies to manage the development process and resolve bottlenecks.
- Cross-functional collaboration: Collaborate with Product Management, Design, Business, and Operations teams to define project requirements and deliverables. Ensure the smooth integration of engineering efforts across the organization.
- Risk Management: Anticipate and mitigate technical risks and roadblocks. Proactively identify areas of technical debt and drive initiatives to reduce it.
- Stakeholder Communication: Act as the technical point of contact for stakeholders, providing regular updates on project progress, resource allocation, and performance metrics. Communicate complex technical concepts to non-technical stakeholders.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
- 5+ years of experience in software engineering
- Proven track record of successfully delivering large-scale, high-impact software projects.
- Strong understanding of software architecture, design patterns, and scalable system design.
- Expertise in multiple programming languages and modern development frameworks For this role we require expertise in Python/Django and API Development
- Experience with cloud infrastructure (AWS), microservices, and distributed systems.
- Good experience with MySQL and ElasticSearch. Slight experience with other NoSQL and SQL databases.
- Experience in DevOps, CI/CD pipelines, and infrastructure automation.
- Experience in delivering full-stack B2B/SaaS applications including mobile applications, web frontend, and a scalable backend.
- Excellent problem-solving skills, with the ability to diagnose and resolve complex technical challenges.
- Strong communication and interpersonal skills, with the ability to influence and inspire teams and stakeholders at all levels.
Python. Django Rest Framework experience would be great, but not essential! We prioritise
quality over quantity.
Postgres with InfluxDB, Oracle, MySQL and Redis experience a plus.
Docker, Kubernetes, Helm, OpenShift and associated tooling.
AWS, especially ECS, Lambda, RDS and DynamoDB. Performance and uptime are super
important to us.
The challenge of scaling a global, distributed API to 10,000+ requests per second.
We have SDKs in a bunch of languages, so the more polyglot you are the better.
If you like writing JS and React that would be awesome too.
Python. Django Rest Framework experience would be great, but not essential! We prioritise
quality over quantity.
Postgres with InfluxDB, Oracle, MySQL and Redis experience a plus.
Docker, Kubernetes, Helm, OpenShift and associated tooling.
AWS, especially ECS, Lambda, RDS and DynamoDB. Performance and uptime are super
important to us.
The challenge of scaling a global, distributed API to 10,000+ requests per second.
We have SDKs in a bunch of languages, so the more polyglot you are the better.
If you like writing JS and React that would be awesome too.
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for an experienced Backend Engineer to join our growing team of engineers to help build and maintain our products. You should have prior experience being responsible for building sufficiently complex features by yourself.
Responsibilities:
- Implement product features by writing clean, robust, reusable code with tests
- Bring new ideas and best practices to improve the team and the codebase
Requirements:
- At least 3 years of relevant professional experience
- Sound knowledge of programming languages like Python
- Experience working with web application frameworks like Django
- Experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Experience developing REST APIs and a good understanding of best practices around building APIs
- Good communication skills
- Passion to solve complex technical problems and troubleshoot the issue
Job Summary
- Expand the product to suit the needs of all kinds of travellers. From family travellers to hardcore backpackers and from free independent travellers to those who need a more guided approach to planning their trip.
- Launch across more countries. This means adding support for more geographies, things to do, weather, currencies and payments, transport and accommodation.
- Scale it up to serve millions of users a year, from across the globe. We are seeing decent growth, but it is time to up the game.
Responsibilities and Duties
How you'll add value:
- Own the architecture and design decisions that go into shaping our backend microservices
- Build and ship robust features.
- Work with web and mobile engineers to design and build APIs to power the traveler and influencer applications.
- Help us scale out to multiple geographies and serve millions of travelers
Required Experience, Skills and Qualifications
- An innate desire to grow. Both personally and with respect to the value you add to other people's lives.
- 4+ years industry experience working with golang/Django
- Sound understanding of CS fundamentals. We don't expect you to remember every algorithm by heart. But if you know how to find the most appropriate one for any given problem, let's talk.
- Personal projects that show an aptitude for technical excellence and product sense.
- Interest in contributing to open source projects
- Bonus points if you have an interest in the philosophy behind technologies. - You are intrigued by why did people develop certain technologies the way they did.
Benefits
- Work with a bunch of amazing people on a challenging problem.
- 1 backpacking trip each year to travel outside India. We don't allow you to travel, we WANT you to travel.
- Stock.
- We don't mind work from home/cafe/some random city in the world as long as your work and your team is not disrupted.
- We don't have a leave policy (there is a guideline for legal reasons) but you are free to take as much personal time as you need as long as you get your job done.
Job Type: Full-time
Salary: ₹2,000,000.00 to ₹3,000,000.00 /year
We are looking for a Senior Python Developer to join our engineering team and help us develop and maintain various software products. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end.
Python Developer responsibilities include designing product, writing, and testing code, debugging programs, and integrating applications with web services.
Skills And Qualifications
• Expert in Python, with knowledge of multithreading and multitasking framework
• Expert in PySpark and Spark Framework
• Expert in Docker and Container Environment.
• Strong unit test and debugging skills
• Knowledge on MySql, Hive, Hadoop and NoSQL Databases
• Good Understanding of event-driven programming in Python
• Hands on experience on Kubernetes and container management using Kubernetes on Azure Cloud
• Hands on experience on Azure Cloud Load Balancer and VPC networking
• Good Understanding of Azure Cloud services
• Knowledge of user authentication and authorization between multiple systems, servers, and environments. eg. Single Sign On (SSO)
• Proficient understanding of code versioning tools as Git
• Understanding of accessibility and security compliance
• Implement security and data protection solutions
• Coordinate with internal teams to understand user requirements and provide technical solutions











