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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: AI/ML Engineer (LLMs, RAG & Agent Systems)

Location: Bangalore, India (On-site)

Type: Full-time

About the Role

As an AI/ML Engineer, you’ll be part of a small, fast-moving team focused on developing LLM-powered agentic systems that drive our next generation of AI products.

You’ll work on designing, implementing, and optimizing pipelines involving retrieval-augmented generation (RAG), multi-agent coordination, and tool-using AI systems.

Responsibilities

• Design and implement components for LLM-based systems (retrievers, planners, memory, evaluators).
• Build and maintain RAG pipelines using vector databases and embedding models.
• Experiment with reasoning frameworks like ReAct, Tree of Thought, and Reflexion.
• Collaborate with backend and infra teams to deploy and optimize agentic applications.
• Research and experiment with open-source LLM frameworks to identify best-fit architectures.
• Contribute to internal tools for evaluation, benchmarking, and scaling AI agents.

Required Skills

• Strong foundation in ML/DL theory and implementation (PyTorch preferred).
• Understanding of transformer architectures, embeddings, and LLM mechanics.
• Practical exposure to prompt engineering, tool calling, and structured output design.
• Experience in Python, Git/GitHub, and data processing pipelines.
• Familiarity with RAG systems, vector databases, and API-based model inference.
• Ability to write clean, modular, and reproducible code.

Preferred Skills

• Experience with LangChain, LangGraph, Autogen, or CrewAI.
• Hands-on with Hugging Face ecosystem (transformers, datasets, etc.).
• Working knowledge of Redis, PostgreSQL, or MongoDB.
• Experience with Docker and deployment workflows.
• Familiarity with OpenAI, Anthropic, vLLM, or Ollama inference APIs.
• Exposure to MLOps concepts like CI/CD, model versioning, or cloud (AWS/GCP/Azure).

What We Value

• Deep understanding of core principles over surface-level familiarity with tools.
• Ability to think like a researcher and execute like an engineer.
• Collaborative mindset, building together, learning together.

We are looking for an Executive Assistant who will play a crucial role in ensuring the smooth and efficient operation of our accounting firm. The successful candidate will provide comprehensive administrative and basic accounting support to our team of professionals, enabling them to focus on delivering outstanding financial solutions to our clients.

Key Responsibilities:

1. Administrative Support: Manage calendars and schedules for senior executives.

• Coordinate internal and client meetings, appointments, conference calls.
• Provide excellent client service by addressing inquiries and ensuring documentation is received on time.
• Maintain and update internal databases and filing systems.
• Manage office supplies and liaise with vendors as required.

2.Time & Attendance: Maintain accurate records of employee attendance and work hours.

• Assist in the preparation of timesheets and payroll data.
• Invoicing and Collections: Generate and send invoices to clients accurately and in a timely manner.
• Maintain records of invoices and payment receipts.
• Monitor outstanding client payments and follow up to ensure timely collections.
• Coordinate with the finance team to resolve payment issues.

3.Tracking Budget vs. Actuals & KPI’s:

• Assist the finance department in tracking budget performance.
• Generate reports comparing budget projections with actual financial results.
• Help monitor other key performance indicators.

4.Basic Accounting Functions:

• Perform data entry of financial transactions into accounting software.
• Assist with bank reconciliations and ledger maintenance.
• Support preparation of expense reports and petty cash reconciliations.
• Help in compiling supporting documents for audits or financial reporting.
• Coordinate with the bookkeeping team on document collection and classification.

Only females are preferred

Qualifications:

• Bachelor’s degree in Business Administration, Accounting, or a related field is preferred.
• Prior experience as an executive assistant or in a similar administrative role.
• Familiarity with accounting principles and financial documents.
• Strong organizational and time-management skills.
• Excellent communication and interpersonal abilities.
• Proficiency in Microsoft Office Suite (especially Excel); familiarity with accounting software is an advantage.

1. Design cloud infrastructure that is secure, scalable, and highly available on AWS, Azure and GCP
2. Work collaboratively with software engineering to define infrastructure and deployment requirements
3. Provision, configure and maintain AWS, Azure, GCP cloud infrastructure defined as code
4. Ensure configuration and compliance with configuration management tools
5. Administer and troubleshoot Linux based systems
6. Troubleshoot problems across a wide array of services and functional areas
7. Build and maintain operational tools for deployment, monitoring, and analysis of AWS, Azure Infrastructure and systems
8. Perform infrastructure cost analysis and optimization

ROLES AND RESPONSIBILITIES:

• Determining the structure and design of web pages.

• Ensuring user experience determines design choices.

• Developing features to enhance the user experience.

• Striking a balance between functional and aesthetic design.

• Ensuring web design is optimized for smartphones.

• Building reusable code for future use.

• Optimizing web pages for maximum speed and scalability.

• Utilizing a variety of markup languages to write web pages.

• 1+ years of experience in related field

• Solid understanding of how the web works and its underlying communication protocols.

• Understanding of key design principles.

• Proficiency in HTML, CSS, JavaScript(ES5 & ES6)

• Knowledge of JavaScript framework React.js

• Experience with responsive and adaptive design.

• Understanding of SEO principles.

• Good problem-solving skills.

• 3-5  years of experience in development of Java based Web software solutions
•  
• Expertise in Full Stack Java development using Java frameworks and libraries such as Spring, Spring Boot, Hibernate and Maven with Oracle database
• Have knowledge and experience with at least one of the following frontend technologies: ReactJS or Angular 2+
• Knowledge of JavaScript, HTML5, CSS3
• Have good written and verbal English language communication skills with an ability to work effectively in an international environment 

• AWS Cloud, CICD, Serverless setups, Monitoring Setup
• Performance setup, scalability in hands experience, Linux expertise, DevOps Operations

• AWS Cloud, CICD, Serverless setups, Monitoring Setup, Performance setup, scalability in hands experience, Linux expertise, DevOps Operations.