Senior Python Developer

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location – Pune

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.

Job Description:

Experience Required: 3–5years

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

Role Overview

We are seeking a strong Python Application Engineer to help build a next-generation Index Backtesting and Rebalance Platform.

In this role, you will design and develop deterministic, scalable calculation engines that convert financial methodologies into production-grade software.

You will work on portfolio construction, rebalancing logic, and historical simulations while consuming reference and market data from Snowflake using python as your core processing tool.

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).

Technical Skills:

• Technical Skills:
• Python, PySpark, Pandas, NumPy, AWS (S3, Lambda), Apache Airflow, SQL, Financial Services Domain Knowledge, Strong Communication Skills.
• 
  

Responsibilities :

• Involved in detailing and implementing user stories. 
• Understand the technical specifications and design the solutions. 
• Validate and implement the integration components of the third-party applications. 
• Build scalable and fault-tolerant software solutions adhering to the organization's secured coding standards. 
• Strive for 100% unit test code coverage. 
• Do code quality checks and code reviews regularly to ensure safe and efficient code. 
• Verify and deploy software solutions for development needs. 
• Work closely with the team to deliver the sprint objectives. 
• Continuously look to improve the organization's standards. 

Requirement

• A Bachelor’s / Master’s Degree in Engineering or Information Technology. 
• 4-7 years of software development experience with 2+ years of experience with Python programming language. 
• A thorough understanding of computer architecture, operating systems, and data structures. 
• An in-depth understanding of the Internet, Cloud Computing & Services, and REST APIs. 
• Must have experience with any one of the Python frameworks like Flask / FastAPI / Django REST. 
• Must know GIT and Python virtual environment. 
• Should have experience with Python requests module. 
• Must know how to use third-party libraries in Python. 
• Knowledge of Python module/library creation will be added advantageous. 
• Familiarity with SIEM tools like the Qradar app / Splunk app and Splunk add-on will be an advantage. 
• Experience working with Linux/Unix and shell scripts. 
• Experience working with Linux/Unix and shell scripts 
• A meticulous and organized approach to work. 
• A logical, analytical, and creative approach to problem-solving. 
• A thorough, detail-oriented work style.

Requirement:

Position: Senior Python developer/c++

Location: Noida

Experience: 5 to 7 years

CTC: As per company standards

NP: Immediate to 15 days

Job Responsibilities

1.    Develop backend for applications in eCommerce / insurance/wealth management businesses

2.    Design technically sound systems and deliver results in a fast manner

3.    Building highly performant applications setting top standards in respective industries

 Basic qualifications

1.     5 -7 years experience building highly performant applications in Python / C++

2.      Good grasp of data structures and proficiency in problem-solving

3.      Knowledge of design patterns

The TensorIoT Solutions Architect team partners with our customers and AWS to design and build some of the world's most modern cloud architectures and solutions. TensorIoT Solutions Architects collaborate with each other and their respective Sales counterparts to address customer challenges, oftentimes working together to formulate a solution for a given challenge.

A TensorIoT Solutions Architect assists the Customer with bridging the gap between business goals and technology solutions. As the customer’s trusted technical advocate, Solutions Architects not only helps organizations small and large understand best practices around advanced machine learning and cloud-based solutions, but also provides insight into areas such as migrations, modernizing existing infrastructure or applications, and building new and innovative solutions using cutting edge services.

As a Solutions Architect, you will have the unique opportunity to assist customers in shaping the future of their business. In order to accomplish this, you will be in constant communication with TensorIoT Delivery practice managers and industry and area-of-depth experts to help shape and execute the strategy to realize the customer’s overarching vision.

The TensorIoT Solutions Architect team is committed to ensuring harmony of both work and life. We do this by allowing for autonomy in your day-to-day activities, focusing more on the solutions and outcomes driven by customer obsession to steer your work day.

We’re looking for someone who has:

●      2+ years of design, implementation, or consulting experience in AWS application or infrastructure

●      4+ years within specific technology domain areas (Gen AI, ML/AI, IoT)

●      Technical degree in Computer Science or related field or equivalent experience

●      4+ years developing technology solutions in the cloud

●      At least 1 AWS Professional or Specialty certification

●      2+ Years of customer-facing experience in a pre-sales engineering role

●      Excellent written and verbal communication skills to articulate findings and recommendations to stakeholders.

●      The ability to create and present detailed reports and presentations.

●      Strong interpersonal skills to work effectively with different teams and stakeholders.

●      Time management and organizational skills to handle multiple projects simultaneously.

●      Adaptability and willingness to learn new tools and techniques as needed.

What we offer:

●      Flexible work hours and the ability to work from home

About TensorIoT

TensorIoT is an AWS Advanced Consulting Partner. We help companies realize the value and efficiency of the AWS ecosystem. From building PoCs and MVPs to production-ready applications, we are tackling complex business problems every day and developing solutions to drive customer success.

TensorIoT's founders helped build world-class IoT and AI platforms at AWS and Google, and are now creating solutions to simplify the way enterprises incorporate edge devices and their data into their day-to-day operations. Our mission is to help connect devices and make them intelligent. Our founders firmly believe in the transformative potential of smarter devices to enhance our quality of life, and we're just getting started!

TensorIoT is proud to be an equal opportunity employer. This means that we are committed to diversity and inclusion, and encourage people from all backgrounds to apply. We do not tolerate discrimination or harassment of any kind, and make our hiring decisions based solely on qualifications, merit, and business needs at the time.

bout the Role

We are seeking an experienced Python Data Engineer with a strong foundation in API and basic UI development. This role is essential for advancing our analytics capabilities for AI products, helping us gain deeper insights into product performance and driving data-backed improvements. If you have a background in AI/ML, familiarity with large language models (LLMs), and a solid grasp of Python libraries for AI, we’d like to connect!

Key Responsibilities

•   Develop Analytics Framework: Build a comprehensive analytics framework to evaluate and monitor AI product performance and business value.

•   Define KPIs with Stakeholders: Collaborate with key stakeholders to establish and measure KPIs that gauge AI product maturity and impact.

•   Data Analysis for Actionable Insights: Dive into complex data sets to identify patterns and provide actionable insights to support product improvements.

•   Data Collection & Processing: Lead data collection, cleaning, and processing to ensure high-quality, actionable data for analysis.

•   Clear Reporting of Findings: Present findings to stakeholders in a clear, concise manner, emphasizing actionable insights.

Required Skills

•   Technical Skills:

o   Proficiency in Python, including experience with key AI/ML libraries.

o   Basic knowledge of UI and API development.

o   Understanding of large language models (LLMs) and experience using them effectively.

•   Analytical & Communication Skills:

o   Strong problem-solving skills to address complex, ambiguous challenges.

o   Ability to translate data insights into understandable reports for non-technical stakeholders.

o   Knowledge of machine learning algorithms and frameworks to assess AI product effectiveness.

o   Experience in statistical methods to interpret data and build metrics frameworks.

o   Skilled in quantitative analysis to drive actionable insights.

Your Responsibilities :

As a Software Engineer at Quince, you'll be responsible for designing and building scalable infrastructure and build applications to solve some very interesting problems in the logistics and finance tech space.

Responsibilities:

• Design and architect solutions on the cloud for various business problems with workflow efficiency and scale in mind.
• Be on the forefront with the business team to learn, understand, identify and translate function requirements into technical opportunities.
• End-to-end ownership - from scoping the requirements to the final delivery of the solution with keen eye to details and quality.
• Build and improve logistics components for this innovative M2C supply-chain model.
• Build and maintain scalable ETL data pipelines.

Requirements:

• Bachelors/Masters/PhD in Computer Science or closely related subject.
• 1-5 years of experience in building software solutions.
• Good at data structures and their practical applications.
• Proficiency in Kotlin, Java, Python.
• Experience in deploying and maintaining applications on cloud platforms (Ex: AWS, Google cloud).
• Proficiency with SQL and databases - relational and/or nosql (Snowflakes, AWS RedShift, etc).
• Experience with messaging middleware such as Kafka is good to have.