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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.
Past experience in working with any product start-up is a plus.
● Proficiency in fundamental front end languages such as HTML, CSS, and JavaScript.
● Familiarity with JavaScript frameworks such as Angular JS, React, and others.
● Knowledge of Node.js and frameworks available for it such as Express (recommended).
● Good understanding of asynchronous request handling, partial page updates, and AJAX
● Understanding of REST Services.
● Experience with Redis.
● Familiarity with database technology such as MySQL, MongoDB and Elasticsearch.
● Proficient understanding of serverless programming.
● Proficient understanding of code versioning tools, such as Git.
● Good problem-solving skills.
● Attention to detail.
Job Description:
We are seeking a skilled Full Stack Developer to join our growing team. As a Full Stack Developer at AlphaBI, you will play a critical role in designing, developing, and maintaining both front-end and back-end components of our web and mobile applications. If you are a proactive problem-solver with a passion for technology and a desire to work in a fast-paced environment, we want to hear from you.
Key Responsibilities:
• Develop and maintain web applications using React, JavaScript, SQL, and MongoDB.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Optimize applications for maximum speed and scalability.
• Ensure the technical feasibility of UI/UX designs.
• Develop server-side logic, databases, and APIs to support front-end functionality.
• Write clean, maintainable, and well-documented code.
• Troubleshoot and debug issues to enhance application performance.
• Stay updated with emerging technologies and apply them to improve the development process.
Required Skills:
• Proficiency in React and JavaScript for front-end development.
• Strong experience with SQL and MongoDB for database management.
• Understanding of RESTful APIs and web services.
• Knowledge of version control systems like Git.
• Ability to work independently and as part of a team.
• Excellent problem-solving skills and attention to detail.
Optional Skills (a plus):
• Experience with TypeScript.
• Familiarity with Next.js for server-side rendering.
• Knowledge of Flutter for cross-platform mobile app development.
Qualifications:
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 2+ years of experience as a Full Stack Developer or similar role.
• Strong portfolio demonstrating relevant work experience.
Benefits:
• Competitive salary based on experience.
• Opportunities for professional growth and development.
• Collaborative and inclusive work environment.
- Expert knowledge of C#, .Net and MS SQL
- ANGULAR Experience would be a huge plus
- Ability to work independently
- Proficient understanding of web markup, including HTML 5/CSS 3
- Proficient understanding of client-side scripting and JavaScript frameworks (Angular, JQuery, React, Vue)
- Excellent English communication, presentation, and interpersonal skills
- Time management and organizational skills
• You will design high level architecture solutions, write high quality code, do code reviews
• You will take ownership to run and maintain the services in Cloud infrastructure
• You will continuously evaluate relevant technologies, influence and drive architecture and design discussions
You must have
• Strong desire to work at an early stage startup
• Strong desire to learn and improve yourself every day
• Strong hands-on development experience
• Proficiency in Computer Science fundamentals – object oriented design, data structures, algorithm - design, and complexity analysis
• Strong knowledge of sql/nosql databases
• Strong experience in developing Rest APIs
• Hands-on experience in developing and deploying MicroServices
• Experience with designing scalable architecture
• Strong knowledge of git
• Experience with redis, memcache
• Experience with Kafka, RabbitMQ
• Experience with ElasticSearch, Solr
• Experience with running applications in production, CI/CD
• Experience with performance tuning
• At least 2 year experience in leading a small team of developers
It would be nice if you also have
• Experience with Google Maps or similar technologies
• Experience with geospatial applications/libraries
Must have: Python-Angular(min.6Months) - Django- MySQL
Experience: 4-5Years
Location; Pune(WFH until Covid stabilizes)
Good to have: Kubernetes/Docker, Flask, Restful API









