Senior Software Engineer - Python

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.

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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.

About Us

CLOUDSUFI, a Google Cloud Premier Partner, a Data Science and Product Engineering organization building Products and Solutions for Technology and Enterprise industries. We firmly believe in the power of data to transform businesses and make better decisions. We combine unmatched experience in business processes with cutting edge infrastructure and cloud services. We partner with our customers to monetize their data and make enterprise data dance.

Our Values

We are a passionate and empathetic team that prioritizes human values. Our purpose is to elevate the quality of lives for our family, customers, partners and the community.

Equal Opportunity Statement

CLOUDSUFI is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified candidates receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, and national origin status. We provide equal opportunities in employment, advancement, and all other areas of our workplace. Please explore more at https://www.cloudsufi.com/.

About Role:

The Senior Python Developer will lead the design and implementation of ACL crawler connectors for Workato’s search platform. This role requires deep expertise in building scalable Python services, integrating with various SaaS APIs and designing robust data models. The developer will mentor junior team members and ensure that the solutions meet the technical and performance requirements outlined in the Statement of Work.

Key Responsibilities:

• Architecture and design: Translate business requirements into technical designs for ACL crawler connectors. Define data models, API interactions and modular components using the Workato SDK.
• Implementation: Build Python services to authenticate, enumerate domain entities and extract ACL information from OneDrive, ServiceNow, HubSpot and GitHub. Implement incremental sync, pagination, concurrency and caching.
• Performance optimisation: Profile code, parallelise API calls and utilise asynchronous programming to meet crawl time SLAs. Implement retry logic and error handling for network‑bound operations.
• Testing and code quality: Develop unit and integration tests, perform code reviews and enforce best practices (type hints, linting). Produce performance reports and documentation.
• Mentoring and collaboration: Guide junior developers, collaborate with QA, DevOps and product teams, and participate in design reviews and sprint planning.
• Hypercare support: Provide Level 2/3 support during the initial rollout, troubleshoot issues, implement minor enhancements and deliver knowledge transfer sessions.

Must Have Skills and Experiences:

• Bachelor’s degree in Computer Science or related field.
• 3-8 years of Python development experience, including asynchronous programming and API integration.
• Knowledge of python libraries-pandas,pytest,requests,asyncio
• Strong understanding of authentication protocols (OAuth 2.0, API keys) and access‑control models.
• Experience with integration with cloud or SaaS platforms such as Microsoft Graph, ServiceNow REST API, HubSpot API, GitHub API.
• Proven ability to lead projects and mentor other engineers.
• Excellent communication skills and ability to produce clear documentation.

Optional/Good to Have Skills and Experiences:

• Experience with integration with Microsoft Graph API, ServiceNow REST API, HubSpot API, GitHub API.
• Familiarity with the following libraries, tools and technologies will be advantageous-aiohttp,PyJWT,aiofiles / aiocache
• Experience with containerisation (Docker), CI/CD pipelines and Workato’s connector SDK is also considered a plus.

We are looking for an experienced Senior API Developer with expertise in Python to join our talented development team. The candidate should have over 8 years of hands-on experience in designing and developing APIs, with a strong emphasis on performance and scalability. Proficiency with Swagger/OpenAPI specifications is required. This role is pivotal to our mission of delivering top-tier solutions that power our core business functions.

Key Responsibilities:

• API Development: Design, develop, and maintain high-quality APIs using Python frameworks such as Django Rest Framework or FastAPI.
• Documentation with Swagger/OpenAPI: Employ Swagger/OpenAPI tools to produce clear and thorough API documentation.
• Integration: Implement and manage integrations between APIs and various internal and external services.
• Optimize Performance: Monitor and enhance the performance of APIs to ensure fast response times and low latency.
• Team Collaboration: Work closely with other developers, product owners, and stakeholders to understand requirements and deliver optimal solutions.
• Code Quality: Uphold best practices in code quality, testing, and deployment. Participate in peer code reviews.
• Debugging and Support: Troubleshoot and resolve issues in development, test, and production environments.
• Continuous Learning: Stay informed about emerging technologies and methodologies in Python and API development.

Qualifications:

• Education: Bachelor's degree in Computer Science, Information Technology, or a related discipline.
• Experience: At least 8 years of professional experience in API development with a focus on Python.

Technical Skills:

• Proficiency in Python programming language.
• Strong experience with API design, development, and RESTful services.
• Expertise with Swagger/OpenAPI specifications.
• Familiarity with Python frameworks like Django, Flask, or FastAPI.
• Experience with ORMs such as SQLAlchemy or Django ORM.
• Knowledge of version control systems, particularly Git.
• Experience working with relational databases like PostgreSQL or MySQL.

Soft Skills:

• Excellent problem-solving and analytical skills.
• Strong verbal and written communication.
• Ability to collaborate effectively within a team and across departments.

Preferred Qualifications:

• Experience with cloud platforms like AWS, GCP, or Azure.
• Knowledge of microservices architecture and distributed systems.
• Familiarity with CI/CD pipelines and tools like Jenkins or GitLab CI.
• Understanding of asynchronous programming and event-driven architecture.

What We Offer:

• Competitive Compensation: Reflective of your experience and the value you bring.
• Growth Opportunities: Support for professional development, training, and certifications.
• Flexible Work Environment: Remote work options and flexible hours to promote work-life balance.

Job Responsibilities

✓ Perform the role of Technical Lead on assigned projects to drive solution design (especially backend) and API services development.

✓ Be the thought leader and champion for above mentioned technologies.

✓ Drive technical analysis for new projects including planning and driving proof-of-concepts, if needed.

✓ Drive tasks related to backend development by providing architectural and technical leadership to mid-tier and database developers.

✓ Conduct peer reviews as the lead into Git to confirmed that developed code meets acceptable standards and guidelines.

✓ Work closely with the rest of the leads, mid-tier development, front-end developers, database developers, etc. to ensure end-to-end integrity of the solution being developed.

✓ Work closely with the rest of the tech leads and senior engineering leadership team to ensure reuse where applicable to increase productivity and throughput.

✓ Conduct technical interview to staff open positions in the backend team.

✓ Delegate work and assignments to team members

✓ Collaborate with their team to identify and fix technical problems

✓ Analyze users' needs and then finding applications to serve them

✓ Drive assigned tasks related to SOC 2 certification and ensure compliance to defined controls for areas under lead’s purview.

✓ Guiding their team through technical issues and challenges

✓ Prepare Technical design documents which would help the team to understand the technical flow

✓ Active participation in customer calls especially discussions related to Technical/Architectural and provide inputs.

Required Experience: 

✓ Backend Lead around 14 years of experience

✓ Server less Computing Architecture

✓ NodeJS, MySQL, Jenkins, Python, GitLab Technologies

✓ Good knowledge of AWS Cloud

✓ Full cycle AWS implementation experience

✓ Project experience in development and maintenance support for AWS web service and Cloudbased implementations

✓ Experience leading teams of up to 10 + professionals

Ability to manage multiple tasks and projects in a fast-moving environment 

Educational Qualifications: 

Engineering graduate or B. Tech/MCA with relevant major subjects like Computer Science

Who are we and what do we do?

The Dice platform, one of the most advanced SaaS fintech organizations, helps businesses convert their spending from many fragmented applications, prepaid cards, offline reimbursement/invoice management, procurement, and payment systems to a single spend platform. There will be no more cash, cards, refunds, or offline invoicing since our entire goal is to provide businesses more knowledge and control over how they spend their money, resulting in significant cost savings and profitability. We are a hyper growth startup collaborating with premium Indian enterprises, startups, and industry leaders across disciplines.

Perks in store for you when you join the team:

• You'll be surrounded by passionate team members.
• Your work will have a visible impact.
• You will be working on interesting technical challenges in a fast-paced environment.

Requirements and skills:

• Hands-on Software Development experience.
• 2-4 years of relevant experience in Java development.
• Hands-on experience in designing and developing applications using Java EE platforms.
• Object-Oriented Analysis and design using common design patterns.
• Profound insight of Java and Java EE (Multithreading, Reactive Programming, etc)
• Excellent knowledge of Relational Databases, SQL, and ORM technologies (MySQL, EBean)
• Excellent knowledge in RESTful API development, event-based processing.
• Experience with test-driven development.
• Knowledge of GIT, Linux, Docker, Redis

Responsibilities:

• Designing, implementing, and maintaining Java applications that are often high-volume and low-latency, required for mission-critical systems
• Delivering high availability and performance
• Contributing in all phases of the development lifecycle
• Writing well-designed, efficient, and testable code
• Conducting software analysis, programming, testing, and debugging
• Managing Java and Java EE application development
• Ensuring designs comply with specifications
• Preparing and producing releases of software components
• Transforming requirements into stipulations
• Support continuous improvement
• Investigating alternatives and technologies

Location:

Pune

PYTHON, SQL, TensorFlow, NumPy, SciPy, Pandas

• Ownership of product/feature end-to-end for all phases from the development to the production.
• Ensuring the developed features are scalable and highly available with no quality concerns.
• Work closely with senior engineers for refining the design and implementation.
• Management and execution against project plans and delivery commitments.
• Assist directly and indirectly in the continual hiring and development of technical talent.
• Create and execute appropriate quality plans, project plans, test strategies and processes for development activities in concert with business and project management efforts.
• Contribute intellectual property through patents.

• 2+ years of non-internship professional software development experience
• Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
• 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.
• A Bachelor's degree in Computer Science or related technical discipline.
• 3+ years of Software Development experience.
• Strong knowledge of Data Structures, Algorithms and CS fundamentals.
• Strong coding and problem solving skills.

• Experience working with service oriented architectures and web-based solutions.
• Experience in eCommerce and deep hands-on technical expertise
• Experience working on the AWS technologies.
• Experience with NoSQL and relational databases.
• Excellent verbal and written communication skills
• Experience working on Agile processes (Scrum, Kanban).

Job Description:

• Programming and optimizing rust / wasm based smart contracts
• Design, research and develop blockchain-based solutions
• Developing decentralized high-performance systems
• Building reliable and fast data storages
• Working with virtual machines used by modern blockchains: WebAssembly, EVM, COSMWASM
• Implementing consensus algorithms and other protocols
• Security audits of third-party and internal solutions
• Establishing policies and procedures that produce secure, high-quality software
• Write and review technical proposals
• Improve engineering standards, tooling, and processes
• Coding with concurrency, efficiency and scalability as primary motive
• Document systems, build runbooks, and automate those processes
• Being hands on by writing, testing, and deploying high-performance networking code
• Rigor on clean code, unit testing, code coverage and best practices
• Developing infrastructure software
• Supporting and Leading the team of junior developers.

Required qualifications:

3+ years experience in developing smart contracts, 2.5+ years of experience in Rust, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack:

Rust, cargo, git, linux, bash, ability to work with Docker.

Nice to have:

cryptography and system software development experience,understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.