Python Developer at OpexAI · Bengaluru (Bangalore) · 4 - 8 years · ₹2L - ₹6L / yr · Profitable · Posted 13 Feb 2018

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We at opexAI strive to make business strategies and provide effective solutions to your complex business problems using AI, machine learning and cognitive computing approaches. With a 40+ years experience in analytics and a workforce of highly skilled and certified consultants, we provide a realistic approach to help you chart an optimal path to success.
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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.
2. Hands-on experience with Hibernate/JPA
3. Added advantage if known MicroServices and Design Patterns
4. Experience working with tools like Git, Jenkins, Maven
5. Working knowledge with Oracle or MySQL Database
6. Strong agile/scrum development experience
About Company:
We are a Hybrid company with multiple in-house products and client products which means our team gets to work with the latest technologies always. Just in 6 years, we have grown to 45+ full-time developers in Vadodara and 450+ salespeople in the US.
Job profile:
We are looking for a PHP developer to join us as a Software Developer.
Your primary focus will be the development of all server-side logic using PHP Framework.
You will be a part of a full-stack creative team that is responsible for all aspects of the ongoing software development.
Roles and Responsibilities
- We are looking for a PHP/LARAVEL, CODEIGNITER Or Yii2 Developer responsible for managing back-end services and the interchange of data between the server and the users.
- Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.
- Utilize backend data services and contribute to increasing existing data services API
- You will also be responsible for integrating the front-end elements built by your co-workers into the application
- Therefore, a basic understanding of front-end technologies is necessary as well
Requirements
- Extensive knowledge and experience with PHP Laravel
- Basic knowledge on other PHP Frameworks
- Integration of user-facing elements developed by front-end developers
- Build efficient, testable, and reusable PHP modules
- An intricate understanding of PHP design patterns & methodologies
- Experience with Project Management is highly desirable
- Strong understanding and development experience
- Sound communication and documentation skills
- Understanding and use of source version control (Git)
- PHP Object-Oriented programming knowledge
- Database design and development (MySQL)
- Experience with test-driven development
Good to have
- Experience with rest API & microservice
- Experience with AWS(Cloud) Services
- Knowledge of any front end technologies like Node.Js, React.Js or Vue.Js is advantage
Why join us?
- All our products are being used by thousands of users each day which means you get to work with the latest technologies always.
- As all our products are enterprise-grade solutions so you get to work with the latest technologies to compete with the world.
- Work-life balance
- flexible working hours
- Mental health sessions with experts.
- Inc 5000 company, the world recognizes us as the fastest-growing company in the US with 400+ salespeople just in the USA.
- Work-life balance
- 5 Days Working
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
Roles & Responsibilities :
- You’ll work as part of the software engineering team along with other front-end, back-end, mobile app, QA teams & you will also closely work with the founder.
- You should be able to take the ownership of a project end to end.
- Your primary focus will be to build, implement & maintain the complete back-end stack of the product.
- You will create production grade code and will implement the solutions which run bug free.
- Participate in product development discussions and product development road-maps.
- Collaborate with members across departments to identify and build on improvements to product, process and systems.
- Required Experience and Qualifications:
- 2 to 6 years of software development experience.
- Experience of working on application architecture design will be preferred.
- Experience of working in at least 1 or 2 projects, managing or leading the entire tasks.
- Experience in Docker/Kubernetes, Agile methodologies & CI/CD automation process.
- Knowledge of Queueing technologies like Kafka, RabbitMQ, ActiveMQ, Version control using Git.
- Experience in microservices architecture, in-memory systems like Redis and basic knowledge of Linux/Unix systems.
- Experience of building applications processing large volumes of streaming data will be preferred.
- Experience from a middle size company or from a startup will be preferred.
- BE/MCA/MSc in Computers/Information technology with a good academic record.
Key Skills:
- Java, & Spring boot
- Hibernate
- Spring Boot JPA
- Object Oriented Programming
- MySQL & MongoDB
- Jenkins
Perks & Benefits:
- Great learning, innovative and development platform.
- Remote work and flexible timings.
- Reimbursement of the online learning courses on certification.
- Medical insurance coverage for you and the dependence.
- Five Working days per week.
PRIMARY RESPONSIBILITIES (include but are not limited to)
Implement new features using Ruby on Rails/ReactJS/MySql/AWS tech stack.
Learn our cloud-based application and our human business processes.
Reduce risk by identifying a portion of the application code that can modularized into its own
service; set up an API between that service and the main application.
- Relevant Experience : Minimum 2 Years
- You have prior experience developing and working on consumer facing web/app products
- Hands-on experience on Python. Exceptions can be made if you’re really good on any other language with experience on building web/app based tech products
- Experience in at least one of the following frameworks - Django, Flask, Falcon, web2py, Twisted, Tornado
- Working knowledge of MySQL, MongoDB, Redis
- Good understanding of Data Structures, Algorithms and Operating Systems
- You've worked with core AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
- You can dabble in Frontend codebases using HTML, CSS and Javascript
- You love doing things efficiently. At Fynd, the work you do will have a disproportionate impact on the business. We believe in systems and processes that let us scale our impact to be larger than ourselves
- You might not have experience with all the tools that we use but you can learn those given the guidance and resources
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.
- Expertise in Web API is most preferable.
- Good experience needed in Angular 4+ implementation.
- Must have very good exposure and experience working with C#,ASP.Net,MVC, Entity Framework,Web Service,Java Script, jQuery and SQL Server.
- Strong Knowledge of software implementation best practices.
- Strong experience in debugging and working with n-tier arctitecture (UI,Business layer and Data Access layer) along some experience with service oriented arctitectures(SOA)
- Ablity to design and optimise SQL server stored procedures.
- Solid understanding of object oriented programming (OOP)









