
We are looking for an exceptional Python Backend Developer to join our engineering team. You will be responsible for managing the interchange of data between the server and the users, developing server-side logic, and ensuring high performance and responsiveness to requests from the front end. The ideal candidate must have a rock-solid foundation in core computer science concepts, specifically Object-Oriented Programming (OOP) and Data Structures and Algorithms (DSA), to design and implement highly scalable and optimised backend systems.
Responsibilities:
- Design, build, and maintain efficient, reusable, and reliable Python code.
- Develop robust, highly scalable, and low-latency backend architectures and APIs.
- Apply strong OOPS principles to build modular and maintainable software systems.
- Utilise advanced Data Structures and Algorithms (DSA) to solve complex computational problems and optimise application performance.
- Integrate user-facing elements developed by front-end developers with server-side logic.
- Implement security and data protection measures.
- Identify bottlenecks, troubleshoot bugs, and devise elegant solutions to mitigate these issues.
- Collaborate cross-functionally with product managers, front-end developers, and QA engineers to deliver high-quality features.
Requirements:
- Core Python: Strong proficiency in Python programming with a deep understanding of its quirks, ecosystem, and best practices.
- OOPs Expertise: Excellent command over Object-Oriented Programming concepts (Inheritance, Polymorphism, Encapsulation, Abstraction) and design patterns.
- DSA Proficiency: Strong problem-solving skills with a deep understanding of Data Structures (Arrays, Trees, Graphs, Hash Tables, etc. ) and Algorithms (Sorting, Searching, Dynamic Programming, etc. ).
- Frameworks: Hands-on experience with popular Python web frameworks such as Django, FastAPI, or Flask.
- Database Management: Solid understanding of relational databases (e. g., PostgreSQL, MySQL) and ORM (Object-Relational Mapper) libraries.
- API Development: Experience in designing and developing RESTful APIs.
- Version Control: Proficient understanding of code versioning tools, such as Git.
- Clean Code: A strong commitment to writing clean, readable, and properly documented code.
Good to Have (Optional):
- Experience with NoSQL databases (e. g., MongoDB, Redis).
- Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker, Kubernetes).
- Knowledge of asynchronous programming in Python (asyncio).

About Wissen Technology
About
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.
With offices in 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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About the Role
We are looking for a strong software engineer who actively uses AI to build better software faster. This is a backend-heavy engineering role where LLMs and AI systems are integrated into real production applications.
You will design, build, deploy, and maintain AI-enabled systems, while maintaining strong engineering discipline and code quality.
Key Responsibilities
- Architect and build scalable backend systems (Python / FastAPI preferred)
- Integrate LLM APIs, RAG pipelines, and AI workflows into production applications
- Deploy and maintain containerized applications on AWS/Azure
- Use AI coding assistants and agents to accelerate development, without compromising code quality
- Convert ambiguous requirements into production-ready systems
Must-Have Skills
- 7+ years of professional software engineering experience
- Strong Python backend experience
- Experience building REST APIs and production systems
- Solid understanding of system design and clean architecture
- Hands-on experience with Docker and Linux
- Experience deploying to AWS or Azure
- Experience integrating LLM APIs into applications
- Experience with embeddings / vector databases / RAG pipelines
- Strong Git and collaborative development workflows
- Ability to operate independently in ambiguous environments
Most importantly:
- Strong engineering fundamentals
- High ownership mindset
- Comfort using AI tools to move fast
- Discipline to maintain structure and quality
Good-to-Have
- Experience with real-time streaming or WebSockets
- Kubernetes deployment experience
- Experience in a fast-paced startup or consulting environment
- Familiarity with agent frameworks or voice/multimodal systems
Screening Requirement
Please include:
- A portfolio of systems you’ve built (especially AI-enabled systems), and
- A short note explaining how you use AI tools in your development workflow.
We are specifically looking for engineers who lean into AI agents and coding assistants, but still understand architecture, performance, and clean code.
About Us:
Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits
every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.
What You Will Do:
• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and a deep interest in scalable, low-latency systems.
• You should have 3–4 years of experience in Python-based development and be eager to solve complex performance and scalability challenges in trading and fintech applications.
• You measure success by your own growth, not external validation.
• You thrive on challenges, not on perks or financial rewards.
• Taking calculated risks excites you—you’re here to build, break, and learn.
• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading environment.
• You understand the stakes—milliseconds can make or break trades, and precision is everything.
What We Expect:
• Develop and maintain scalable backend systems using Python.
• Design and implement REST APIs and socket-based communication.
• Optimize code for speed, performance, and reliability.
• Collaborate with frontend teams to integrate server-side logic.
• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.
• Build fault-tolerant, multi-producer/consumer systems.
Must-Have Skills:
• 3–4 years of experience in Python and backend development.
• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).
• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.
• Bachelor’s degree in Computer Science or related field.
Nice-to-Have Skills:
• Past experience in fintech, trading systems, or algorithmic trading.
• Experience with GoLang, C/C++, Erlang, or Elixir.
• Exposure to trading, fintech, or low-latency systems.
• Familiarity with microservices and CI/CD pipelines.
Primary Responsibilities
Responsibilities:
• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
• Familiarity with SaaS concepts and architecture.
• Experience with API design and development, including RESTful APIs.
• Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
• Experience with version control systems, such as Git.
• Strong problem-solving and analytical skills, with keen attention to detail.
• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory
Azure DE
Primary Responsibilities -
- Create and maintain data storage solutions including Azure SQL Database, Azure Data Lake, and Azure Blob Storage.
- Design, implement, and maintain data pipelines for data ingestion, processing, and transformation in Azure Create data models for analytics purposes
- Utilizing Azure Data Factory or comparable technologies, create and maintain ETL (Extract, Transform, Load) operations
- Use Azure Data Factory and Databricks to assemble large, complex data sets
- Implementing data validation and cleansing procedures will ensure the quality, integrity, and dependability of the data.
- Ensure data security and compliance
- Collaborate with data engineers, and other stakeholders to understand requirements and translate them into scalable and reliable data platform architectures
Required skills:
- Blend of technical expertise, analytical problem-solving, and collaboration with cross-functional teams
- Azure DevOps
- Apache Spark, Python
- SQL proficiency
- Azure Databricks knowledge
- Big data technologies
The DEs should be well versed in coding, spark core and data ingestion using Azure. Moreover, they need to be decent in terms of communication skills. They should also have core Azure DE skills and coding skills (pyspark, python and SQL).
Out of the 7 open demands, 5 of The Azure Data Engineers should have minimum 5 years of relevant Data Engineering experience.
Responsibilities
- Ideate, execute & take ownership of complete project from scratch
- Create and design User-focused focused SAAS with high end experience
- Optimize existing architecture for performance, scalability & functionality
- Generate modular & clean codes
- Deploy & maintain project’s infrastructure with zero downtime
Skill Sets
- Sharp communication skills
- Fluent in Problem Solving, Data Structures And Algorithms
- Strong in Java Spring Boot & Python Django languages & frameworks
- Experience with database design & familiar with RDBMS database like Postgresql as well as no SQL databases
- Good with writing unit test cases & integration test cases
- Well versed in writing Asynchronous codes or technologies
- Exposed to various AWS technologies like EC2, Cognito, API Gateway,ECS etc.
- Exposed to Pub-sub technologies like SQS,Kafka, RabbitMQ, etc.
- Familiar with caching tools like Redis, HazleCaste, etc.
- Exposure to DevOps and Big Data is a plus.
- Working in high paced competitive stock trading environment with core web app development, scripting, data interpretation and manipulation skills
- Designing, creating and maintaining our in-house software for business requirements
- Work on innovative ideas to improve the user experience of our internal systems and applications which are used by the trading teams
- Improve on existing tools to make trade monitoring systems robust and more reliable
Ideal candidate should have:
- Engineering degree in Computer Science (preferred) or any other discipline
- Experience on Python web app development (Preferably Django)
- Ability to work as a full stack developer
- Experience in Shell/Perl or Python scripting
- Prior experience of Linux or Unix based operating systems
- Ability to create automation scripts
- Experience/Knowledge of financial industry
- Ability to work in fast paced environment under pressure and manage multiple high priority projects
- Willingness to learn and work on new technologies
- Excellent communication skills
To be the right fit, you'll need:
About the Company:
Progcap is a Fintech and AI company that pioneers alternative credit scoring for small businesses using proprietary data from non-traditional sources. We aim to fuel credit to 100 million under-banked SMEs in the emerging markets worldwide with an initial focus on India.
Progcap is Sequoia-backed Series A startup, comprising of top tier talent from finance, technology, data science and operations. The Company is the recipient of the World Bank's "SME Product Innovation of the year", 2018 award, Madrid.
What you will be doing:
- Lead and provide first level supervision to project teams and ensures successful delivery of tasks assigned to the team along with sharing of project updates & related communication with stakeholders.
- Writing and ensuring reusable, testable, and efficient code.
- Managing data across multiple databases and providing analysis to stakeholders.
- Design and implementation of low-latency, high-availability, and performant applications.
- Implementation of security and data protection (permission classes and middleware.)
- Implementation of user authentication and authorization across multiple systems, servers, and environments.
What you bring:
- Should have minimum 4 years of experience in development using Python and 1 year in leading Python based projects.
- Strong experience in Application lifecycle management – development, testing and deployment.
- Strong understanding and experience with code version control tools (git, svn, etc.)
- Expert in Python with working experience on Django, AWS, Lambda, RDS, NoSQL, Docker, Kubernetes.
- Integration of data storage solutions redis, postgresql, mysql (big query, big table, pubsub, appengine).
- Strong in data structures and algorithms
- Preferably candidates with Financial/lending Applications development experience with any Fintech Co.









