


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 Developer – API Integration & AWS Deployment
Experience : 5+ Years
Location : Bangalore
Work Mode : Onsite
Job Overview :
We are seeking an experienced Python Developer with strong expertise in API development and AWS cloud deployment.
The ideal candidate will be responsible for building scalable RESTful APIs, automating power system simulations using PSS®E (psspy), and deploying automation workflows securely and efficiently on AWS.
Mandatory Skills : Python, FastAPI/Flask, PSS®E (psspy), RESTful API Development, AWS (EC2, Lambda, S3, EFS, API Gateway), AWS IAM, CloudWatch.
Key Responsibilities :
Python Development & API Integration :
- Design, build, and maintain RESTful APIs using FastAPI or Flask to interface with PSS®E.
- Automate simulations and workflows using the PSS®E Python API (psspy).
- Implement robust bulk case processing, result extraction, and automated reporting systems.
AWS Cloud Deployment :
- Deploy APIs and automation pipelines using AWS services such as EC2, Lambda, S3, EFS, and API Gateway.
- Apply cloud-native best practices to ensure reliability, scalability, and cost efficiency.
- Manage secure access control using AWS IAM, API keys, and implement monitoring using CloudWatch.
Required Skills :
- 5+ Years of professional experience in Python development.
- Hands-on experience with RESTful API development (FastAPI/Flask).
- Solid experience working with PSS®E and its psspy Python API.
- Strong understanding of AWS services, deployment, and best practices.
- Proficiency in automation, scripting, and report generation.
- Knowledge of cloud security and monitoring tools like IAM and CloudWatch.
Good to Have :
- Experience in power system simulation and electrical engineering concepts.
- Familiarity with CI/CD tools for AWS deployments.

What you’ll be doing
Weare much more than our job descriptions, but here is where you will begin:
As a Senior Software Engineer Data & ML You’ll Be:
● Architect, design, test, implement, deploy, monitor and maintain end-to-end backend
services. You build it, you own it.
● Work with people from other teams and departments on a day to day basis to ensure
efficient project execution with a focus on delivering value to our members.
● Regularly aligning your team’s vision and roadmap with the target architecture within your
domain and to ensure the success of complex multi domain initiatives.
● Integrate already trained ML and GenAI models (preferably GCP in services.
ROLE:
Whatyou’ll need,
Like us, you’ll be deeply committed to delivering impactful outcomes for customers.
What Makes You a Great Fit
● 5 years of proven work experience as a Backend Python Engineer
● Understanding of software engineering fundamentals OOPS, SOLID, etc.)
● Hands-on experience with Python libraries like Pandas, NumPy, Scikit-learn,
Lang chain/LLamaIndex etc.
● Experience with machine learning frameworks such as PyTorch or TensorFlow, Keras, being
proficient in Python
● Hands-on Experience with frameworks such as Django or FastAPI or Flask
● Hands-on experience with MySQL, MongoDB, Redis and BigQuery (or equivalents)
● Extensive experience integrating with or creating REST APIs
● Experience with creating and maintaining CI/CD pipelines- we use GitHub Actions.
● Experience with event-driven architectures like Kafka, RabbitMq or equivalents.
● Knowledge about:
o LLMs
o Vector stores/databases
o PromptEngineering
o Embeddings and their implementations
● Somehands-onexperience in implementations of the above ML/AI will be preferred
● Experience with GCP/AWS services.
● You are curious about and motivated by the future trends in data, AI/ML, analytics


At nFerence Labs, the "Google of Biomedicine", we are building the world's first massive-scale platform for pharmaco-biomedical computing. Our platform is premised on using AI/Deep Learning (on clinical text, medical images, and other signals) and massive high-performance computing to help pharma companies perform faster and more efficient drug discovery, and also help early diagnosis of several key diseases.
We collaborate heavily with premier medical institutions such as the Mayo Clinic and build systems to get deep medical insights from patient information including patient notes and lab information, medical images, ECGs, etc. We are a well-funded company and are looking to grow on all fronts.
We are hiring an experienced backend staff engineer for our Pramana team. Our Digital Pathology-as-a-service venture, Pramana is an in-line quality assurance software suite which for the first time in the industry, provides confidence to the labs for the accuracy and applicability of their digital assets while supporting industry-standard image formats.
Pramana’s whole slide imaging system is built upon the strong hardware expertise of former Spectral Insights (that nference acquired in 2020) and the strong software expertise of nference. Modular systems with Robotic automation have allowed Pramana to reduce the reliance on several technical staff. This will significantly reduce the total costs of ownership and is a more transparent model for Pramana’s clients.
Must have
- 5+ years experience with solid backend/engineering experience in C++/ Python
- Knowledge of data structures and an eye for architecture.
- Solid CS fundamentals, fluent in multi-threaded and asynchronous programming, and a strong inclination for architecting at scale.
- Excellent technical design, problem-solving, debugging, and communication skills.
- Rapid prototyping worked on distributed systems at scale.
- Basic knowledge of SQL as well as NoSQL databases.
- Proficient in Golang/ Python, design, and concurrency patterns.
Good to have
- Proficient in writing unit tests and profiling and benchmarking golang applications
- Experience in maintaining protobuf contract
- Experience in working with GRPC and grace
Benefits:
- Be a part of the “Google of biomedicine” as recognized by the Washington Post
- Work with some of the brilliant minds of the world solving exciting real-world problems through Artificial Intelligence, Machine Learning, analytics and insights through triangulating unstructured and structured information from the biomedical literature as well as from large-scale molecular and real-world datasets.
- Our benefits package includes the best of what leading organizations provide, such as stock options, paid time off, healthcare insurance, gym/broadband reimbursement.

- 3 years experience working on Python, Django and DRF (must have projects)
- Back-end Development, Third Party SDK Implementation, CI/CD
- Pipeline with AWS, Containerization of Server, Caching, Micro-service Implementation
- Architecture design of the web applications.
- Implementation of a robust set of services and APIs to power the web application.
- Building reusable code and libraries for future use.
- Optimization of the application for maximum speed and scalability.
- 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.
- Translation of UI/UX wireframes to visual elements

- 2+ years of experience in Python, Django, Mongo, Express, MySQL, etc
- Have built applications capable of serving high volume with low latency in production
- Following practices of agile development with continuous integration/deployment
- Experience in deploying applications in AWS cloud
- Knowledge in building applications for Fintech/payments domain is a bonus
- Bachelor’s or Master’s degree in CS or equivalent from a reputed institution
- Self-starter, hustler, and a desire to achieve greatness is a MUST
- Immediate joining preferred
- You will have the flexibility to design the application and systems from the ground up.
- Your primary responsibility is to implement business logic in the backend and create awesome restful APIs for seamless integration with our mobile front end.

We are looking for a Backend Developer who has 4-6 years of experience in designing, developing, and implementing backend services using Python and Django.
- Responsibilities-
- Design highly scalable, testable code and follow Test Driven Development methodology
- Able to write well-organized, modularised code with test cases.
- Contribute to the design and architecture of our backend APIs and deployment of microservices
- Ensure adherence to engineering best practices and maintain the overall quality of our codebase.
- Work with the product team to translate powerful ideas into everyday business value.
- Skills-
- Back-end programming language: Python
- Familiarity with Django or Flask framework
- Familiarity with AWS and Elastic Search
- Experience in SQL and NoSQL databases with an insight into various data modeling use cases
- Experience with system & unit testing
- Familiarity with containerized deployment
- Proficiency with Git
- Sound with data structures and algorithms and have a good understanding of design patterns, software architectures


Positions : 2-3
CTC Offering : 40,000 to 55,000/month
Job Location: Remote for 6-12 months due to the pandemic, then Mumbai, Maharashtra
Required experience:
Minimum 1.5 to 2 years of experience in Web & Backend Development using Python and Django with experience in some form of Machine Learning ML Algorithms
Overview
We are looking for Python developers with a strong understanding of object orientation and experience in web and backend development. Experience with Analytical algorithms and mathematical calculations using libraries such as Numpy and Pandas are a must. Experience in some form of Machine Learning. We require candidates who have working experience using Django Framework and DRF
Key Skills required (Items in Bold are mandatory keywords) :
1. Proficiency in Python 3.x based web and backend development
2. Solid understanding of Python concepts
3. Strong experience in building web applications using Django
4. Experience building REST APIs using DRF or Flask
5. Experience with some form of Machine Learning (ML)
6. Experience in using libraries such as Numpy and Pandas
7. Some form of experience with NLP and Deep Learning using any of Pytorch, Tensorflow, Keras, Scikit-learn or similar
8. Hands on experience with RDBMS such as Postgres or MySQL
9. Comfort with Git repositories, branching and deployment using Git
10. Working experience with Docker
11. Basic working knowledge of ReactJs
12. Experience in deploying Django applications to AWS,Digital Ocean or Heroku
KRAs includes :
1. Understanding the scope of work
2. Understanding and adopting the current internal development workflow and processes
3. Understanding client requirements as communicated by the project manager
4. Arriving on timelines for projects, either independently or as a part of a team
5. Executing projects either independently or as a part of a team
6. Developing products and projects using Python
7. Writing code to collect and mathematically analyse large volumes of data.
8. Creating backend modules in Python by building or reutilizing existing modules in a manner so as to provide optimal deliveries on time
9. Writing Scalable, maintainable code
10. Building secured REST APIs
11. Setting up batch task processing environments using Celery
12. Unit testing prepared modules
13. Bug fixing issues as reported by the QA team
14. Optimization and performance tuning of code
Bonus but not mandatory
1. Nodejs
2. Redis
3. PHP
4. CI/CD
5. AWS


- Working in high paced competitive stock trading environment with core web app development, scripting, data interpretation and manipulation skills
- Designing, creating and maintaining our in-house software for business requirements
- Work on innovative ideas to improve the user experience of our internal systems and applications which are used by the trading teams
- Improve on existing tools to make trade monitoring systems robust and more reliable
Ideal candidate should have:
- Engineering degree in Computer Science (preferred) or any other discipline
- Experience on Python web app development (Preferably Django)
- Ability to work as a full stack developer
- Experience in Shell/Perl or Python scripting
- Prior experience of Linux or Unix based operating systems
- Ability to create automation scripts
- Experience/Knowledge of financial industry
- Ability to work in fast paced environment under pressure and manage multiple high priority projects
- Willingness to learn and work on new technologies
- Excellent communication skills





