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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.
SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.
What you’ll do
- Build and ship production-ready React features that feel fast, accessible and polished.
- Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
- Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
- Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
- Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
- Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.
What you’ll bring
- 2+ years of hands-on experience in full-stack development.
- Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
- Solid experience building RESTful services in Node.js with Express (or similar).
- Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
- Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
- Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
- Clear, concise communication skills—vital for an all-remote environment.
Nice-to-haves
- Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
- Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
- Prior work in health-tech or other regulated domains.
Why SleekSky?
At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.
Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.
Job Title: Full Stack Developer
Company: Just Gold LLC
Location: Remote
Experience: 1-5 years
Job Description:
We're seeking a highly skilled Full Stack Developer to join our team at Just Gold LLC. As a Full Stack Developer, you'll be responsible for designing, developing, and maintaining our web and mobile applications using a range of technologies, including Node.js, MongoDB, React Native, React.js, Next.js, Java, AWS, Tailwind CSS, HTML/CSS, and JavaScript.
Responsibilities:
- Develop high-quality, scalable, and maintainable code for our web and mobile applications
- Collaborate with cross-functional teams to identify and prioritize project requirements
- Design and implement new features, components, and functionality
- Troubleshoot and resolve technical issues
- Participate in code reviews and contribute to the improvement of the codebase
- Stay up-to-date with industry trends and emerging technologies
Required Technologies:
- Node.js
- MongoDB
- React Native
- React.js
- Next.js
- Java
- AWS
- Tailwind CSS
- HTML/CSS
- JavaScript
Requirements:
- 1-5 years of experience in full-stack development
- Strong proficiency in JavaScript and its ecosystem
- Experience with Node.js, MongoDB, and React.js
- Familiarity with React Native and Next.js
- Knowledge of Java and AWS
- Understanding of front-end development principles and best practices
- Experience with version control systems (e.g., Git)
- Excellent problem-solving skills and attention to detail
- Strong communication and collaboration skills
Nice to Have:
- Experience with agile development methodologies
- Familiarity with containerization (e.g., Docker)
- Knowledge of cloud-based services (e.g., AWS Lambda)
- Understanding of security best practices and compliance
What We Offer:
- Competitive salary and benefits package
- Opportunity to work on exciting projects with a talented team
- Flexible remote work arrangement
- Professional development opportunities
- Collaborative and dynamic work environment
• Hands-on experience in Python with 2-4yrs experience in backend web development with
Django. Exceptions can be made if you’re really good at any other language with experience in building
web/app-based tech products
• Hands-on experience with frontend codebases using HTML, CSS,JavaScript with knowledge of
any frontend framework (Preferably Vue or React)
• Excellent command over Data Structures and Algorithms with experience in software
engineering and product delivery
• Working knowledge of MongoDB, Redis, MySQL
• Familiarity with building robust and scalable REST API endpoints.
• Experience with web technologies like Linux, Apache, Memcache, Redis
• Familiarity with AWS services having experience with EC2, ELB, AutoScaling, CloudFront, S3,
RDS, SNS etc
• Good understanding of Data Structures, Algorithms, and Operating Systems
• Good communication and peer networking skills.
• Strong problem solving and analytical skills
• Proven ability to author clean, standards-compliant code
• Self-motivated and detail oriented with the ability to work independently
• Ability to thrive in a fluid and fast paced environment
• You might not have experience with all the tools that we use but you can learn those given the
guidance and resources
What will I be doing?
• Build new features into the application and own their further development.
• Build scalable and loosely coupled services to extend our platform.
• Build bulletproof API integrations with third-party APIs for various use cases.
• Evolve our Infrastructure and add a few more nines to our overall availability.
• Have full autonomy and own your code, and decide on the technologies and tools to deliver as
well as operate large-scale applications on AWS.
• Give back to the open-source community through contributions on code and blog posts.
• Stay up to date on webdev trends and understand how it applies to our customers' needs.
• Build automated unit and integration tests.
• Conduct performance tuning, testing, refactoring, usability, and automation.
• Maintain strong coding, compliance, & security standards.
• Understand proper web and application security practices and apply them.
Tech Stack ⚙
We believe in always using the sharpest tools for the job. On that end we always try to remain tech
agnostic and leave it upto discussion on what tools to use to get the problem solved in the most robust
and quick way.
That being said, our bright team of engineers have already constructed a formidable arsenal of tools
which helps us fortify our defence and always play on the offensive. Take a look at the tools we already
use over here.
*What happens after you apply? *
• Quick phone call to learn about your experience and why you want to work at Tranzact.
• Interview rounds with the founders and technical team.
• There might be optional rounds customized to your experience.
• We aim to close the end-to-end process within 3 days of giving you a phone call.
*Why Tranzact? *
• Be a part of the journey to take a Series A startup to IPO
• Build world class products that will have an impact on the lives of millions
• Work with a world-class, industry-leading team of engineers, product guys and growth
• Learn from great mentors and industry leaders.We have an agreement with our Angel Investors
that they will help us build & grow our product & company. If required, our team members can work
from their office to learn from
• Competitive salary and attractive ESOPs
The desired candidate is required to build and maintain scalable web applications.
• Design, implement, and extend core platform services and APIs to enable new
products and features to be built.
• Provide technical contribute to the core team that powers our backend services for
millions of concurrent users.
• Build and own the core systems that form the architecture of our backend services
from api gateways, service observability and inter-service communications to higher
level business components like identity, therapeutic engine, and analytics systems
just to name a few.
• Drive the qualitative aspects of the backend services, like performance, scalability,
observability, reliability and security and so on.
ABOUT ANITECHSOL PVT LTD :
AnitechSol Pvt Ltd is into Software Product Development, Time and Material Contracting Services. Company has been in existence for about a decade. Currently, the focus of the company is to develop a mobile fitness app that gives guidance on fitness, diet and general lifestyle activities.
SKILLS REQUIRED : React Native, Python, Mobile apps, Mongodb, AWS
ROLES AND RESPONSIBILITIES :
Using the functional requirements provided, in the form of detailed functional requirements as well as Use Cases, code each use case from front end to back end. Ability to develop a complete flow.
While developing the application utilize the proper interactions between the pages, responsiveness and confirm to the overall architecture.
A certain level of creativity has to be there while developing the front end screens using the mockups provided by a designer. With regard to the backend, you have to develop apis confirming to the standards including the interactions with the database.
Quickly Troubleshoot, debug and upgrade software with a agile development mindset of a startup company.
REQUIREMENTS :
- Strong organisational and project management skills
- Proficient in front end and back end technologies
- Ability to solve technical problems creatively
- Driven to improve product progressively on daily basis
PERKS :
- Team: Get to work with an awesome team of Engineers
- Learning: As a fast paced startup, you get to learn fast.










