
Backend Developer
⦁ 2+ years of working experience as a software engineer.
⦁ Engineer capable of designing solutions, writing code, and deployment
⦁ Demonstrated skills, knowledge, and expertise with statistical computer languages (Python, Django) and the related ecosystem (PyCharm, Jupyter)
⦁ Good knowledge of Python.
⦁ Creative problem-solving ability and sound judgment ability to use own initiative and take responsibility for decisions.
Candidate must have
⦁ Good knowledge of Python
⦁ Django, Flask, FastApi
⦁ Candidates must have knowledge about Product Development.
⦁ Candidates must have Technical Degree.
Skills
⦁ Developing back-end components.
⦁ Design and develop web applications in Python, and Django.
⦁ Good knowledge of Django, Flask, FastApi
⦁ Must be proficient in writing python codes
⦁ Must have worked on back-end development
⦁ Integrate Python application with other internal applications.
⦁ Strong spoken and written communication skills in English

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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 We Expect:
• 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 You Will Do:
• 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.
If you love to work in a fast-paced startup environment and desire to solve some very
challenging problems using technology, we want to hear from you.
We are looking for an enthusiastic and energetic individual to work as a Senior Software
Developer. You will be involved in working on multiple products for the scaling and growth
stage of the lifecycle.
We work closely with the real world,. If you are interested to grow and learn in your career
and at the same time work on products for the 1Bn user market, we encourage you to apply.
Responsibilities
● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● 3 - 5 years of experience working in backend development technologies and DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● Understanding differences between multiple delivery platforms such as mobile vs
desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performance
Basic Qualifications:
- 3+ 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.
Additional Job requirements
- BS/MS/PhD in Computer Science/Math or equivalent
- BS in computer science or related field.
- 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
- Knowledgeable in object-oriented design patterns.
- Experience building highly scalable and distributed systems
Preferred Qualifications
- Experience with service-oriented architecture and application/services development
- Passion for performance debugging and benchmarking
Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization
Quantsapp is India's first Option Trading Analytics platform on mobile. With
ever-growing users,
it makes us one of the fastest growing platform for options trading in India.
Quantsapp wants to accelerate its growth even more and capture new
countries which requires the development team to grow.
At Qauntsapp we are looking for a dynamic team mate to take up a role of
Server side development to support the brain behind the application.
Job Summary :
- You will be responsible for developing new logics / products / features as
described by the business / research team.
- An ideal candidate should be strong in mathematical processes like
optimizations, matrix algebra, differential equation, simulation process etc.
and should also possess decent hands-on experience on python, sql server and
preferably Aws. IIT graduation is a plus.
Responsibilities :
- Create algorithms from scratch
- Create products and backend API's as described by the business team
- Back-test and create hypothesis as desired by the research team
- Code the backend of logics for consumption by the UI team
- Deploy websockets, rest api's & dynamic tcp, udp based data flow
- Deployment and maintenance of codes with version control
Requirements :
- Should possess a good knowledge of advanced computing and mathematical
process
- Strong hands-on on Python and optionally Matlab
- Knowledge of databases like Sql & No Sql
- Ability to work with tight time lines
- In depth knowledge and good hands on experience on Pandas and Numpy
- Knowledge of Option Markets is a plus
- Excellent organizational and multitasking ability
- Experience on AWS Cloud is a plus
We are having an immediate requirement for a Python web developer.
You have:
- At least 2 years of experience developing web applications with Django/Flask/FastAPI
- Familiarity with Linux
- Experience in both SQL and NoSQL databases.
- Uses Docker and CI/CD
- Writes tests
- Experienced in application deployments and scaling them on AWS or GCP
You are:
- Eager to work independently without being watched
- Easy going.
- Able to handle clients on your own
Location: Remote (in India)
Position: Python Developer
Experience: 3-6 years
Location- Pune and Chennai
Job Description:
- 3 years Willing to take efforts to advance in the technology or learn new technologies.
- Solid understanding of OOPs concepts.
- Willing to take efforts to advance in the technology or learn new technologies.
- Good communication skills and a continuous learner.
- Experience working on waterfall or Agile (Agile model preferred)
- Solid understanding of Python scripting and/or frameworks like Django, Flask Back up RRS.
We are looking for a Backend developer who is passionate about building end to end applications.
What you will be doing:
- Designing and developing scalable applications and takes care of test and deployment as well.
- Managing individual project priorities, deadlines, and deliverables.
- Architect and implement software libraries in a multi-cloud environment
- Design and build a flexible logging, monitoring, and alerting infrastructure
- Build scalable APIs using python and is familiar with the latest developments in the language
Skills Required:
- Expert in Python 3
- Detailed knowledge of Python web framework Django or Flask (2 to 3 years)
- Familiarity with some ORM (Object Relational Mapper) libraries,
- Knowledge of Django REST framework and its concepts like Serializers, Viewsets, Filters, Mixins.
- Experience with relational databases like PostgreSQL, MySQL
- Experience with Python libraries like Pandas, Numpy.
- Experience with databases NoSQL databases like MongoDB, Cassandra, DynamoDB is a big plus
- Experience with technologies like Celery, Gunicorn, Redis.
- Knowledge of Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, complexity analysis, databases, networking, and distributed systems.
- Experience with working on Linux system, GIT, CI/CD pipelines.
- Experience in designing scalable architectures to support a data-intensive application.
- Experience of working with AWS services like EC2, S3, RDS, lambda etc.
- Previous work experience at a product-based company or startup would be a bonus.
- Prior experience working in IoT domain or energy sector will be plus.
Personality traits we really admire:
- Great attitude to ask questions, learn, and suggest process improvements.
- Attention to detail and helps identify edge cases.
- Equal importance to planning, coding, code reviews, documentation, and testing.
- Highly motivated and coming up with fresh ideas and perspectives to help us move towards our goals faster.
- Adheres to release cycles and absolute commitment to deadlines.
We are looking for a Backend Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. 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.
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection strategies like circuit breaker, rate limiting.
- Integration of data storage solutions like OLTP(RDS, Postgres), OLAP(Redshift) and Cache(redis, memcache) servers with applications.
- End to end responsibility from development to production.
- Ability to work in odd hours in-case of emergencies.
- Well aware of server-less, containers and microservices technologies(like Lambda, Fargate, ECS, EKS).
Requirements
- Experience 1.5+ yrs in the Software Industry.
- Mastery in Python with knowledge of at least one Python web framework (such as Django, Flask) with amazing debugging skills.
- Familiarity with some ORM (Object Relational Mapper) and caching libraries
- Understanding of the threading limitations of Python, and multi-process architecture
- Good understanding of server-side templating languages such as Jinja 2, Mako
- Basic understanding of front-end technologies, such as Jquery, JavaScript, HTML5, and CSS3
- Understanding of accessibility and security compliance
- Knowledge of user authentication and authorization between multiple systems, servers, and environments
- Understanding of fundamental design principles behind a scalable application
- Familiarity with event-driven programming in Python
- Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
- Able to create extendible database schemas that represent and support business processes
- Strong unit test and debugging skills
- Proficient understanding of code versioning tools such as Git or SVN
- Make sure to mention other frameworks, libraries, or any other technology related to your development stack
Benefits
Experience Required -2 years to 6 years
Location -A-45 Atrium of Quark city Mohali
You will be responsible for reviewing requirements, optimizing code, writing documentation,
writing tests with proper coverage, and following all the best standards.
Requirements:
- Django
- Flask
- Django REST Framework
- Pytest
- Docker
As a software engineer, you will be the part of a team that focuses on building software applications that scale well. You will play a significant role in shaping our software architecture that provides measurable customer value. You understand both technology and business to know the right trade-offs to make. You will be a technical mentor for your team members. You will work closely with your peers, managers, product, design, and operations teams to create solutions that meet business requirements. You will drive engineering and operational excellence across Scatter. You will collaborate with other engineers to surface common pain points, develop solutions and evangelize best practices.
Qualifications:
2-3 years of professional software engineering experience building customer-facing web and/or mobile applications Strong coding skills using Python, Django, is mandatory. Knowledge on Html, Css, React Js, Jquery, Bootstrap or equivalent programming language is added advantage Graduated from Tier 1 or Tier 2 engineering colleges Excellent knowledge of Data Structures and Algorithms Bachelor or Master degree in Computer Science or a related discipline Experience working in an agile environment Self-quick learner and passionate problem solver Excellent debugging and troubleshooting skills, with an enthusiastic attitude to support and resolve customer problems Good oral and written communication skills Above all, an insatiable desire and ability to learn
Nice to have skills:
Experience with large-scale SaaS applications Experience building web and mobile applications Experience designing services on top of cloud infrastructure like AWS, Azure, etc Prior experience in building product from 0-1
Benefits
Ownership and autonomy to drive customer and culture initiatives Opportunity to get mentored and mentor junior engineers Remote work









