
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.
Connect with the team
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If you love to work in a fast-paced startup environment and desire to solve some very
challenging problems using technology, we want to hear from you.
We are looking for an enthusiastic and energetic individual to work as a Senior Software
Developer. You will be involved in working on multiple products for the scaling and growth
stage of the lifecycle.
We work closely with the real world,. If you are interested to grow and learn in your career
and at the same time work on products for the 1Bn user market, we encourage you to apply.
Responsibilities
● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● 3 - 5 years of experience working in backend development technologies and DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● Understanding differences between multiple delivery platforms such as mobile vs
desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performance
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
Roles and Responsibilities
• Ability to create solution prototype and conduct proof of concept of new tools.
• Work in research and understanding of new tools and areas.
• Clearly articulate pros and cons of various technologies/platforms and perform
detailed analysis of business problems and technical environments to derive a
solution.
• Optimisation of the application for maximum speed and scalability.
• Work on feature development and bug fixing.
Technical skills
• Must have knowledge of the networking in Linux, and basics of computer networks in
general.
• Must have intermediate/advanced knowledge of one programming language,
preferably Python.
• Must have experience of writing shell scripts and configuration files.
• Should be proficient in bash.
• Should have excellent Linux administration capabilities.
• Working experience of SCM. Git is preferred.
• Knowledge of build and CI-CD tools, like Jenkins, Bamboo etc is a plus.
• Understanding of Architecture of OpenStack/Kubernetes is a plus.
• Code contributed to OpenStack/Kubernetes community will be a plus.
• Data Center network troubleshooting will be a plus.
• Understanding of NFV and SDN domain will be a plus.
Soft skills
• Excellent verbal and written communications skills.
• Highly driven, positive attitude, team player, self-learning, self motivating and flexibility
• Strong customer focus - Decent Networking and relationship management
• Flair for creativity and innovation
• Strategic thinking This is an individual contributor role and will need client interaction on technical side.
Must have Skill - Linux, Networking, Python, Cloud
Additional Skills-OpenStack, Kubernetes, Shell, Java, Development
- Python developer with Django experience
- 6-8 yrs of total experience
- Strong communication is a MUST
- Work on a chatbot framework/architecture using an open-source tool or library
- Implement Natural Language Processing (NLP) for chatbots
- Integration of chatbots with Management Dashboards and CRMs
- Resolve complex technical design issues by analyzing the logs, debugging code, and identifying technical issues/challenges/bugs in the process
- Deploy applications using CI/CD tools
- Designing and building highly scalable AI and ML solutions
- Ability to understand business requirements and translate them into technical requirements
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment.
- Experience with bot multi-lingual utilization (preferred)
- Experience with bot human escalation
- Ability to optimize applications for maximum speed and scalability
- Come up with new approaches and ideas to improve the current performance of Chatbots across multiple domains and build a highly personalized user experience.
QUALIFICATIONS : B. Tech/ B.E. /M. Tech or a related technical discipline from reputed universities
SKILLS REQUIRED :
- Minimum 3+ years- of experience in Chatbot Development using the Rasa open-source framework.
- Hands-on experience building and deploying chatbots.
- Experience in Conversational AI platforms for enterprises using ML and Deep Learning.
- Experience with both text to speech and vice versa transformation incorporation.
- Should have a good understanding of various Chatbot frameworks/platforms/libraries.
- Build and evolve/train the NLP platform from natural language text data being gathered from users on a daily basis.
- Code using primarily Python.
- Experience with bots for platforms like Facebook Messenger, Slack, Twitter, WhatsApp, etc.
- Knowledge of digital assistants such as Amazon Alexa, Google Assistant, etc.
- Experience in applying different NLP techniques to problems such as text. classification, text summarization, question & answering, information retrieval, knowledge extraction, and conversational bots design potentially with both traditional & Deep Learning
- Techniques - NLP Skills/Tools: NLP, HMM, MEMM, P/LSA, CRF, LDA, Semantic Hashing, Word2Vec, Seq2Seq, spaCy, Nltk, Gensim, Core NLP, NLU, NLG, etc.
- Should be familiar with these terms: Tokenization, N-Grams, Stemmers, lemmatization, Part of speech tagging, entity resolution, ontology, lexicology, phonetics, intents, entities, and context.
- Knowledge of SQL and NoSQL Databases such as MySQL, MongoDB, Cassandra, Redis, PostgreSQL
- Experience with working on public cloud services such as Digital Ocean, AWS, Azure, or GCP.
- Knowledge of Linux shell commands.
- Integration with Chat/Social software like Facebook Messenger, Twitter, SMS.
- Integration with Enterprise systems like Microsoft Dynamics CRM, Salesforce, Zendesk, Zoho, etc.
MUST HAVE :
- Strong foundation in the python programming language.
- Experience with various chatbot frameworks especially Rasa and Dialogflow.
- Strong understanding of other AI tools and applications like TensorFlow, Spacy, and Google Cloud ML is a BIG plus.
- Experience with RESTful services.
- Good understanding of HTTPS and Enterprise security.
- Manage and improve the engineering process continuously and make sure the team delivers the quality code with zero-waste.
- Should provide technical leadership to major projects, but also build and manage a team of 5-8 top-notch engineers.
- Should do sprint planning and run daily stand-ups and deliver 100% hit rate.
- Maintain the legacy code base and reduce tech debt on a continuous basis.
- Able to handle multiple projects and deliver with stringent timelines without compromising the code quality.
- Work with the product team for roadmap planning and delivery as per the plan.
- Conduct sprint planning & sizing, engineering grooming, daily stand-ups, and deliver with zero spillovers.
- Prepare & publish sprint reports to the leadership team and provide visibility to stakeholders.
- Hire and mentor junior/ senior team and make them engineering champions.
- Mentor the engineering team with your technical skills to write scalable, generic, reusable code.
- Develop and Coach engineers on the team, share engineering pointers, conduct regular 1-1s with the team, and help them advance in their careers.
Requirements
- Having work experience in a Product organization with 7 -10 yrs also in leading a cross-functional engineering team that includes API Development and Backend & Middleware development.
- Should have experience in the continuous delivery process. Ship new features and improvising the code base continuously.
- Should have involved in setting up engineering process.
- Must have experience in microservices and distributed patterns.
- Must have worked on high traffic and throughput application.
- Must have prior experience in handling mid to large-size projects.
- Must have worked on high traffic and throughput application.
- Should have managed and lead the engineering team of Web App and Backend development teams.
- Must-Have Experience in Python programming & Postgressql/ Nosql (MongoDB as a data store.
- Must have experience in modern back-end tech stacks (Django, Postgress, NoSQL) and cloud design & deployment patterns.
- Must be conversant with AWS, Docker/Kubernetes
- Should be good with design patterns and integration patterns.
- Should have knowledge/ experience in concurrent programming & distributed locks.
- Requires solid understanding of technologies and architecture in a highly scalable and available set-up.
- Should have handled multiple epics, themes, and experience of delivering high-quality projects on time.
- Should have managed end to end development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations

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Total of 3-5 years of experience building cutting-edge products.
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Must have a degree in Computer Science or a related field. Strong understanding of object-oriented programming, concurrency, and fundamentals of computer science.
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Technically Hands-on, prior experience with scalable Architecture.
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Bring 3-5 years of software engineering and product delivery experience, with a strong background in algorithms.
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Excellent command over Data Structures and Algorithm Proficiency in implementation of algorithms and use of advanced data structures to solve problems in computing
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Exceptional coding skills in an Object-Oriented programming language (Python preferred with Django framework).
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Strong problem-solving and analytical skills.
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Experience with web technologies Java/Python, Linux, Apache, MySQL, solr, memcache, redis.
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Experience in architecting & building real-time, large-scale e-commerce applications.
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Experience with high-performance websites catering to millions of daily traffic is a plus.
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Java/ Python, MySQL, Redis, ElasticSearch, Problem Solving, Scalability, Design Patterns, Distributed System
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Develop complex software products that include scale, algorithmic complexity, and a huge amount of data.
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Build cutting-edge scalable systems by writing simple and efficient code.
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Code, develop, design, and architect features related to the existing application. We expect you to own modules end to end and take pride in the work products you ship
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Contribute to all aspects of an agile software development lifecycle including design, architecture, development, documentation, testing, and operations.
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Design, implement, and maintain highly scalable, multi-tier, distributed server software applications
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Deliver across the entire app life cycle, design, build, deploy, test, release to app stores, and support
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Working directly with developers and product managers to conceptualize, build, test, and release products
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Take responsibility for performance and stability for all server functions
-
Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Mentor To Go is an android and web based platform to help students improve their work readiness through self-learning sessions, personalised mentorship provided by mentor professionals from a range of careers, and work experience opportunities.
The technology platform implements functionalities such as: screening surveys of mentors and mentees, training content for mentors, matching through an algorithm, and mentorship through the delivery of structured activities.
The application technology architecture comprises of the following:
o a Python Django web application with NGinx and Gunicorn
o PostgreSQL database
o A React Android and Web app
o Rest APIs which interact between the Android app and the Django webserver
Our vision at Mentor To Go is to provide career mentorship to young people anywhere, anytime across the length and breadth of India.
We are looking for a backend software developer who is passionate about using web technologies to solve social problems and creating experiences that are elegant and effective. You will own the back end development of features of the Mentor To Go platform from conceptualisation through design and testing, working closely with other developers, the technical project manager, and the program operations team. You are user-centric, continuously demonstrate strategic & analytical abilities, and are laser focused on executing at speed. You must have the ability to succeed in a fast paced environment, where success is dependent on your ability to collaborate with cross-functional team members in a positive, productive, and transparent way.
Minimum requirements
- Bachelor’s degree in engineering preferably CS or related discipline
- 3+ years experience working in Unix/Linux environments building web and mobile applications
- Proficiency in developing and deploying cloud based Python/Postgresql applications preferably using frameworks such as Django
- Experience with design and development of moderately complex software projects
- Strong written and oral communication skills
- Familiarity with version control software such as Git
Desired requirements
- 5+ years of overall relevant work experience
- Experience building apps using React/React-Native
- Basic understanding of AWS cloud
- Ability to participate in technical discussions and help make technical trade-offs
About Mentor Together
https://mentortogether.org/">Mentor Together is India’s first and largest youth mentoring non-profit organization with a mission to facilitate empowering mentoring relationships and networks that help young people break the inequalities of opportunity and actualise their potential.
http://bit.ly/mentortogo">Mentor To Go is the world’s first mobile mentoring platform created by Mentor Together with the support of Cisco India, LinkedIn Social Impact, British Telecom and Sterlite Technologies.








