Senior Data Scientist

We are hiring for a Python Developer at Wissen Technology!

📍 Location: Pune (Hybrid)

💼 Experience: 3–6 Years

⏱️ Notice Period: Immediate / 15 days preferred

🔧 Key Skills:

• Strong experience in Python

• Hands-on with Pandas & NumPy

• Experience with AWS (S3, Lambda preferred)

• Good understanding of data processing & APIs

• SQL knowledge

🏢 About Wissen Technology:

Wissen Technology, part of the Wissen Group (est. 2000), is a fast-growing technology company specializing in high-end consulting across Banking, Finance, Telecom, and Healthcare domains.

✔️ Global presence – US, India, UK, Australia, Mexico & Canada

✔️ Certified Great Place to Work®

✔️ Trusted by Fortune 500 clients like Morgan Stanley, Goldman Sachs, and more

✔️ Strong growth with 400% revenue increase in recent years

🌐 Website: www.wissen.com

🔗 LinkedIn: https://www.linkedin.com/company/wissen-technology/

If you’re interested or have relevant candidates, please share your resume at [your email].

#Hiring #PythonDeveloper #PuneJobs #AWS #ImmediateJoiner

While you may already know about Wissen and the company history, here is a quick rundown for you.

About Wissen Technology:

·        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. We help clients build world class products.

·        Our workforce has highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

·        Wissen Technology has grown its revenues by 400% in these five years without any external funding or investments.

·        Globally present with offices 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.

·        Wissen Technology has been certified as a Great Place to Work®.

·        Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

·        Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

·        We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, Goldman Sachs, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.

De

Job Title: Application Development Engineer (Python – Backtesting & Index Platforms)

Role Overview

Key Responsibilities

Engine Development: Design and implement modular, reusable Python components for index construction, rebalancing, and backtesting.

Large-Scale Simulation: Use Pandas, NumPy, and PySpark to run historical calculations across long time horizons and multiple index variants.

Workflow Integration: Integrate engines with orchestrators such as Airflow or Temporal using parameterized, config-driven execution.

Reference Data Consumption: Query and utilize pricing, security master, and corporate action data from Snowflake.

Quality & Reconciliation: Build automated test harnesses to validate outputs, compare against benchmarks, and guarantee reproducibility.

Performance Optimization: Improve runtime efficiency through vectorization, caching, and distributed computing patterns.

Cross-Team Collaboration: Partner with Business, Index Ops, and Platform teams to accelerate research-to-production onboarding.

Required Technical Capabilities

Python Expertise: Strong proficiency in Python application development with emphasis on clean architecture and maintainable design.

Data & Numerical Libraries: Deep experience with Pandas and NumPy; working knowledge of PySpark for distributed workloads.

Financial Computation: Ability to implement portfolio mathematics, weighting algorithms, and time-series transformations.

Config-Driven Systems: Experience building rule-based or metadata-driven processing frameworks.

Database Skills: Strong SQL and experience consuming structured data from Snowflake.

Testing Discipline: Expertise in unit testing, regression testing, and deterministic replay of calculations.

Orchestration Integration: Familiarity with Airflow, Temporal, or similar workflow engines.

Cloud Infrastructure: Solid understanding of AWS ecosystem services (S3, Lambda, IAM) and how they integrate with the Snowflake Data Cloud.

Job Title : DevOps Engineer – Fintech (Product-Based)

Experience : 5+ Years

Location : Mumbai

Job Type : Full-Time | Product Company

Role Summary :

We are hiring a DevOps Engineer with strong product-based experience to manage infrastructure for a Fintech platform built on stateful microservices.

The role involves working across hybrid cloud + on-prem, with deep expertise in Kubernetes, Helm, GitOps, IaC, and Cloud Networking.

Mandatory Skills :

Product-based experience, deep Kubernetes (managed & self-managed), custom Helm Chart development, ArgoCD/FluxCD (GitOps), strong AWS/Azure cloud networking & security, IaC module development (Terraform/Pulumi/CloudFormation), experience with stateful microservices (DBs/queues/caches), multi-tenant deployments, HA/load balancing/SSL/TLS/cert management.

Key Responsibilities :

• Deploy and manage stateful microservices in production.
• Handle both managed & self-managed Kubernetes clusters.
• Develop and maintain custom Helm Charts.
• Implement GitOps pipelines using ArgoCD/FluxCD.
• Architect and operate secure infra on AWS/Azure (VPC, IAM, networking).
• Build reusable IaC modules using Terraform/CloudFormation/Pulumi.
• Design multi-tenant cluster deployments.
• Manage HA, load balancers, certificates, DNS, and networking.

Mandatory Skills :

• Product-based company experience.
• Strong Kubernetes (EKS/AKS/GKE + self-managed).
• Custom Helm Chart development.
• GitOps tools : ArgoCD/FluxCD.
• AWS/Azure cloud networking & security.
• IaC module development (Terraform/Pulumi/CloudFormation).
• Experience with stateful components (DBs, queues, caches).
• Understanding of multi-tenant deployments, HA, SSL/TLS, ingress, LB.

Role Overview:

We are looking for a detail-oriented Finance Intern to support our finance team with day-to-day accounting and financial operations. This is a great opportunity to gain hands-on experience in corporate finance.

Key Responsibilities:

• Assist in maintaining financial records and reports
• Support invoice processing and expense tracking
• Help with bank reconciliations and data entry
• Assist in preparing MIS reports and financial statements
• Work on basic analysis and documentation tasks

Requirements:

• Pursuing or recently completed a degree in Finance, Accounting, or related field
• Basic understanding of accounting principles
• Proficiency in MS Excel
• Good analytical and communication skills
• Attention to detail and willingness to learn

Bharat Bijlee is a pioneer of electrical engineering in India, and one of the most trusted names in the industry today. Our primary business segments include Transformers & Projects, Electric Motors, Drives & Automation Solutions and Magnet Technology Machines, that power a spectrum of industries and the builders of the nation's infrastructure. Established seven decades ago, we take pride in our long-standing relationships with customers, partners and employees. As an employer, we believe in giving the freedom to explore, learn and chart career paths. You can look forward to a secure and nurturing association with us. To know more please visit https://www.bharatbijlee.com.

Our Product Range –

• Power Transformers up to 200 MVA and 400 kV

• Generator Transformers

• Unit Auxiliary Transformers

• Special Application Transformers

Role: Production

Locations: Airoli

Qualification: Diploma/Degree in engineering

Years of Experience: 2 to 12 years

CTC range is 5-12 LPA.

Work hours: shift working involved

Nature of Experience: exposure to any of the sections in production i.e. Core Coil Assembly, Separate Phase Assembly, Winding, VPD Ovening, Tanking

Responsibilities:

·        Completion of shop floor loading & monitor closely productivity of workers.

• Ensure completion of daily production targets adhering to defined standards of cost, quality and time
• Attend productivity meetings to discuss the discrepancies in the planned vs actual plan.
• Preparation of productivity reports based on throughput & timeliness for presenting the same in productivity meetings.
• Undertake Production Planning and Control activities ensuring adherence to production targets in terms of cost, quality, throughput & timeliness Coordinate with the technical design (electrical and mechanical) function for a design review before the start of every work order and for clarifications on design parameters during production 
• Ensure material requisitions are raised on time to obtain the material from the stores team
•  Ensure the adherence of the workers to the shift schedule.
• Drive discipline on the shop floor and maintain healthy industrial relations in coordination with the HR function
• Drive a culture of continuous improvement in section of the production process
• Ensure appropriate training is been given to the winding team by conducting various training sessions.
• Ensure all the documentation & statutory compliances are fulfilled in timely manner to facilitate completion of all the audits.
• Identify production bottlenecks and ensure elimination of the same in coordination with the engineering function
• Drive cost savings through cost effective utilization of resources, process improvements and reduction in operational expenses / overheads
• Ensure all production related documentations / records are maintained and updated through SAP
• Ensure compliance to SOP’s ,process flows and production protocol to ensure minimum deviation from specifications

Job Title: System Administrator (VoIP/Telephony) / Telephony Engineer (Telecommunications)

Company: Telebu Communications

Location: Hitech city, Madhapur, Hyderabad

Experience: 3–5 Years

Employment Type: Full Time

Salary: Up to CTC 50,000

About Telebu Communications

Telebu is a 20+ year-old product-based technology company offering enterprise communication solutions across SMS, Chat, Voice & Video platforms. Formerly known as SMSCountry Networks, Telebu has offices across India, Bahrain, UAE, Saudi Arabia, Qatar & USA.

Objective: We are looking for a  System Administrator (VoIP) / Telephony Engineer (Telecommunications) to join our Telebu's Communications engineering Team. The Telebu will develop, implement and support IP Telephony related technologies including and not limited to IP Telephony, IVR platforms, Conferencing solutions, Voice engineering integration, Voice over IP (VoIP), Session Border Controllers (SBC), Session Initiation Protocol (SIP), WebRTC, and Public Switched Telephone Network (PSTN) gateways.

Responsibilities:

• Install & maintain Freeswtich and other SIP servers.
• Administration of SIP and Media Servers, Network/Protocol level debugging and testing, Contact center solutions, Troubleshoots and resolves complex problems.
• Provide IP Telephony and VoIP Subject Matter Expertise for Company and Company's managed service providers, manages 3rd party telecom carriers and providers.

Requirements:

• 3 years of hands-on industry experience in telecommunications
• Strong conceptualize knowledge and experience with telephony protocols like SIP, SDP, RTP, SRTP and audio/video codecs.
• In-depth working experience with Kamailio, Freeswitch, Any of the SIP stack (Sofia, reSIProcate, PJSIP, etc.), and Linux
• Experience in using the VoIP testing tools like Wireshark, VoIPMonitor, SIPp, SIPCapture, Homer etc.
• Strong understanding of implementing various network setups (Private VPNs, multi-zone secure connectivity etc)

Nice to have:

• Experience with virtualization/container related technologies (Xen, VMware vSphere / ESXi, Docker, Kubernetes)
• Hands on writing production quality code using any of the scripting languages like Python, Go, Erlang etc.
• Working knowledge in any NoSQL databases like MongoDB, Redis, Cassandra etc.
• Passionate about knowing everything about VoIP Protocol standards & related RFCs

Role: Sr. Principle Engineer -Firmware

Experience: 8 to 10 Yrs.

Job description:

Primary skills:

-        At least 8 years of working experience on embedded firmware development

-        Experience in multithreaded programming, network programming (wired and wireless protocols), real-time programming, cross-platform and cross-language development

-        Prior experience with overseeing board bring-up and validation

-        Hands-on experience on driver development for various sensors,Flash,PMIC

-        Working knowledge of communication protocols like UART, I2C, SPI, USB, Ethernet, etc

-        Product development experience with range of microcontroller/microprocessor architectures, adoption of bare-metal, RTOS and Linux operating systems on new platforms

-        Minimum 2+ years of experience doing hands-on software development in Bluetooth domain; application, framework, Bluetooth stack or drivers

-        Working Experience In display driver development with MIPI/LVDS/QSPI will be a value addition

-        Experience with hardware lab equipment such as digital scope, logic analyser and JTAG

-        Understanding of embedded development constraints and system performance

-        Hands-on Experience on System level integration

-        Experience with programming in C/C++/python

-        Experience in reading schematics

Secondary skills:

-        Version Control System

-        Working experience on BLE SoC like Nordic, Ambiq, Dailog

-        Bug Tracking

Job Summary: 

We are seeking a highly skilled Senior .NET Engineer with extensive database design experience to join our team. As a Senior .NET Engineer, you will be responsible for designing, developing, and maintaining complex software applications using the .NET framework. You will also be responsible for designing and implementing complex database solutions using the EF Core framework that support these applications. 

 Specific Responsibilities and Accountabilities: 

• Design, develop, and maintain software applications using the .NET framework and database solutions using Entity Framework Core 
• Create and maintain data models and schema designs using best practices and industry standards  
• Develop and implement database security measures to protect sensitive data  
• Optimize database performance and ensure data integrity  
• Collaborate with cross-functional teams to define, design, and ship new features  
• Write clean, efficient, and maintainable code that meets specifications  
• Troubleshoot and debug software issues as needed  
• Keep up to date with emerging trends and technologies in software development and database design  
• Participate in code reviews and provide feedback to other developers  

Personal Qualities, Knowledge, Experience and Skills Required: 

• Bachelor's or master's degree in computer science or related field 
• At least 5 years of experience in software development using the .NET framework and database design and development using Entity Framework Core  
• Experience with object-oriented programming (OOP) concepts, design patterns and microservice architecture.  
• Experience with database design, including data modelling and schema design  
• Experience with MySQL Server or other relational database management systems  
• Familiarity with agile development methodologies  
• Excellent problem-solving and analytical skills  
• Ability to work independently and as part of a team  
• Strong communication and interpersonal skills  

The ideal candidate should be a proactive individual with strong communication skills and a team player. He or she should have experience of at least 5+ years in MEAN stack development.

Should have hands-on experience in the following:

• Hands-on experience in designing and developing applications using MEAN stack and have at
• least 5+ years experience on the same.
• Should have excellent in-depth knowledge of Nodejs and Mongo DB.
• Working knowledge of RESTful web services.
• Working knowledge of Angular js.
• Basic understanding of front-end technologies, such as HTML5, and CSS3.
• Integration of user-facing elements developed by front-end developers with server-side logic
• Design and implementation of low-latency, high-availability, and performant applications
• Proficient understanding of code versioning tools, such as Git
• Good communication skills.
• Experience in working effectively within a team

• Develop new product features and new applications within an Agile
• Build reusable code and libraries for future
• Write well-designed, testable, efficient code using the latest development best
• Collaborate with designers to implement and improve design
• Optimize applications for maximum speed and
• Stay up-to-date on emerging
• Contribute to the continuous improvement of the development

• Passion to build world class UI design
• 5+ years of experience developing web applications with modern JavaScript programming frameworks, tooling and libraries (such as Backbone, Angular, React, Vue.js, Ember) and CSS pre-processing frameworks (such as Sass or Less)
• Minimum one-year experience in developing js applications in team environment.
• Experience with state management frameworks like Redux
• Experience writing unit tests
• Familiarity with common front-end development tools such as Babel, Webpack, gulp, npm- scripts
• Any experience building, launching or supporting a SaaS product