Backend Developer

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 2–5 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:

• 2–5 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.

Job Description

Build and maintain bots on Azure platform.  Integration with Active directory, WEB API based integration with external systems. Training and Integrate bots as per users’ requirements. Work in line with design guidelines, best practices and standards of bot deliverable. Creative approach to the conversation flow design, human aspects in the bot responses and sentiments

Qualifications

1. a) 5 years of experience in software development with clear understanding of the project life cycle
   b) Min 2-3 years of hands-on experience in Microsoft Azure Bot Framework, LUIS and other Cognitive services offered by Azure
   c) Hands on experience with Machine Learning based chat bots
   d) Experience with Azure bot services like Text Analytics etc.
   e)Strong database skills and hands-on experience on databases like SQL Server/Oracle
2. f) Strong experience on Azure Active directory and adaptive cards integration in Chat bot.
3. g) Strong experience designing and working with

with service-oriented architectures (SOA) and WebAPIs.

1. h) A strong experience on Microsoft Azure, ASPNET / MVC and programming languages such as C#/VBNET
2. i) Knowledge of Python and NodeJS is a plus
3. j) Ability to design and optimize SQL Server 2008 stored procedures.
4. k) Experience with JQuery, CSS3, HTML5 or similar technologies.
5. l) Ability to adapt quickly to an existing, complex environment.

Key Responsibilities

• Develop and maintain Python-based applications.
• Design and optimize SQL queries and databases.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code.
• Troubleshoot and debug applications.
• Participate in code reviews and contribute to team knowledge sharing.

Qualifications and Required Skills

• Strong proficiency in Python programming.
• Experience with SQL and database management.
• Experience with web frameworks such as Django or Flask.
• Knowledge of front-end technologies like HTML, CSS, and JavaScript.
• Familiarity with version control systems like Git.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.

Good to Have Skills

• Experience with cloud platforms like AWS or Azure.
• Knowledge of containerization technologies like Docker.
• Familiarity with continuous integration and continuous deployment (CI/CD) pipelines

Roles and Responsibilities

Code, develop, design and architect features related to the existing application. We  expect you to own modules end to end and take pride in the work products you  ship.

Lead from the front, when it comes to delivering high quality work products. Serve as a mentor to the team members

Create and define performance metrics. Ideate, innovate and hack through the  existing systems to improve performance

Perform code reviews, set coding practices and guidelines within the team.

Make sense of the product specs, be nimble in getting the issues resolved. Be a thought leader.

Critical Functional Skills

Solid understanding and knowledge of Java/C/C++. You should understand the concepts of multithreading, I/O, messaging, instrumentation etc and their  implementation in Java/Any other ObjectOriented Language.

Proficiency in the implementation of algorithms and the use of advanced data  structures to solve problems in computing. A solid foundation in the principles of  computer science is desired.

Ability to write clean, modular, and loosely coupled code by the use of design patterns.

He/She should be able to break down and architect complex software systems. For example

BuildCars Availability Engine for Ola.

Strong decisionmaking ability

Deep expertise in at least one programming language & tech stack.

Substantial experience in building complex and scalable solutions.

Strong object oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class level interfaces

The ability to do deep problem solving and build elegant, maintainable solutions to complex problems.

Experience leading multi engineer projects and mentoring junior engineers

Experience with full life cycle development in any programming language on a Linux platform

Comprehensive operational experience including, optimizations, deployments and tuning servers like apache/mysql/tomcat/solr

Prior experience in working with Agile software methodologies (XP, Scrum), TDD, and Continuous Integration(CI/CD) a plus.

Experience in building data driven web application design and development is a plus

Expert level experience in building a scalable, large and complex business application

.Experience Required

:Typically with an experience of 5+ years of development experience in a product  firm.

Must have lead, designed, architected and delivered at least 1 project in his previous assignments independently.

Minimum Qualifications Required

Btech/MS from a reputed Institute

Deep expertise with any or combination programming languages: Java, C++, C#, Ruby, Scala,

Go any object oriented high level proprietary or open source language with strong programming constructs. We are not skill specific but go by strength in  competencies Machine coding Single machine in memory program

Need a working code with functionality Readable and well designed code with right abstractions, separation of concerns,right design patterns

Performant code with concurrency and efficient data structures

Write test cases covering the happy path and edge cases

Problem Solving

Choose the right combination of data structures to solve the problem

Identify most edge cases for the problem

Identify opportunities of parallelism: utilizes multicore solutions where applicable

Design & Architecture

Distributed systems design and system interaction

Identify API signatures

LLD with class design

Solve for performance & availability

The Sr. Analytics Engineer would provide technical expertise in needs identification, data modeling, data movement, and transformation mapping (source to target), automation and testing strategies, translating business needs into technical solutions with adherence to established data guidelines and approaches from a business unit or project perspective.

Understands and leverages best-fit technologies (e.g., traditional star schema structures, cloud, Hadoop, NoSQL, etc.) and approaches to address business and environmental challenges.

Provides data understanding and coordinates data-related activities with other data management groups such as master data management, data governance, and metadata management.

Actively participates with other consultants in problem-solving and approach development.

Responsibilities :

Provide a consultative approach with business users, asking questions to understand the business need and deriving the data flow, conceptual, logical, and physical data models based on those needs.

Perform data analysis to validate data models and to confirm the ability to meet business needs.

Assist with and support setting the data architecture direction, ensuring data architecture deliverables are developed, ensuring compliance to standards and guidelines, implementing the data architecture, and supporting technical developers at a project or business unit level.

Coordinate and consult with the Data Architect, project manager, client business staff, client technical staff and project developers in data architecture best practices and anything else that is data related at the project or business unit levels.

Work closely with Business Analysts and Solution Architects to design the data model satisfying the business needs and adhering to Enterprise Architecture.

Coordinate with Data Architects, Program Managers and participate in recurring meetings.

Help and mentor team members to understand the data model and subject areas.

Ensure that the team adheres to best practices and guidelines.

Requirements :

- Strong working knowledge of at least 3 years of Spark, Java/Scala/Pyspark, Kafka, Git, Unix / Linux, and ETL pipeline designing.

- Experience with Spark optimization/tuning/resource allocations

- Excellent understanding of IN memory distributed computing frameworks like Spark and its parameter tuning, writing optimized workflow sequences.

- Experience of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., Redshift, Bigquery, Cassandra, etc).

- Familiarity with Docker, Kubernetes, Azure Data Lake/Blob storage, AWS S3, Google Cloud storage, etc.

- Have a deep understanding of the various stacks and components of the Big Data ecosystem.

- Hands-on experience with Python is a huge plus

Looking Data Enginner for our OWn organization-

Notice Period- 15-30 days
CTC- upto 15 lpa

Preferred Technical Expertise 

1. Expertise in Python programming.
2. Proficient in Pandas/Numpy Libraries. 
3. Experience with Django framework and API Development.
4. Proficient in writing complex queries using SQL
5. Hands on experience with Apache Airflow.
6. Experience with source code versioning tools such as GIT, Bitbucket etc.

 Good to have Skills:

1. Create and maintain Optimal Data Pipeline Architecture
2. Experienced in handling large structured data.
3. Demonstrated ability in solutions covering data ingestion, data cleansing, ETL, Data mart creation and exposing data for consumers.
4. Experience with any cloud platform (GCP is a plus)
5. Experience with JQuery, HTML, Javascript, CSS is a plus.

Senior Developer

NOTE- we are looking for those who can join immediately or within 15-20 days of notice period.
Senior Dev with 5 years relevant experience

1. Working experience on web development using Python/Django
2. Comfortable with using Django framework.
3. Understanding of web servers
4. Knowledge in PostgreSQL, MySQL, and other database queries
5. Experience in using Redis cache.
6. Understanding of web technologies
7. Experience in REST API development using Django.
8. Strong hold on Apache
9. Integration of data storage solutions
10. Able to integrate multiple data sources and databases into one system
11. Understanding of JavaScript, and front-end JS frameworks like VueJS, React JS and Angular JS
12. Good communication skill
13. .net/.NET core will be an added advantage