
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

About Tradelab Software Private Limited
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Job Title : Node.js Developer
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Experience : 3+ Years
Key Skills : Node.js, JavaScript, RESTful APIs, MongoDB, Express.js
Responsibilities :
- Design, develop, and maintain scalable Node.js applications.
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- Optimize applications for maximum speed and scalability.
- Collaborate with cross-functional teams to deliver high-quality solutions.
- Ensure code quality and application reliability through testing and debugging.
Requirements :
- Strong proficiency in JavaScript and Node.js.
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- Excellent problem-solving skills and attention to detail.
Benefits :
- 5-day workweek for a healthy work-life balance.
- Competitive salary and opportunities for growth.
Requirements
- Bachelors/Masters in Computer Science or a related field
- 5-8 years of relevant experience
- Proven track record of Team Leading/Mentoring a team successfully.
- Experience with web technologies and microservices architecture both frontend and backend.
- Java, Spring framework, hibernate
- MySQL, Mongo, Solr, Redis,
- Kubernetes, Docker
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- Excellent teamwork skills, flexibility, and ability to handle multiple tasks.
- Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story
- Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services
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- Experience of cloud providers/platforms like GCP and AWS
Roles & Responsibilities
- Develop new user-facing features.
- Work alongside the product to understand our requirements, and design, develop and iterate, think through the complex architecture.
- Writing clean, reusable, high-quality, high-performance, maintainable code.
- Encourage innovation and efficiency improvements to ensure processes are productive.
- Ensure the training and mentoring of the team members.
- Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.
- Research and apply new technologies, techniques, and best practices.
- Team mentorship and leadership.
Requirements:
- 4-6 years of experience in developing Enterprise Web Applications using Java/J2EE technologies with a good professional track record.
- Excellent knowledge in Core Java (J2SE) and J2EE technologies.
- Proficient knowledge in Servlets, JDBC & JSP.
- Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
- Strong knowledge of Exception Handling, Collections, File I/O Streams, Interfaces, and logging mechanisms is a must.
- Experience in developing REST APIs and integration of third-party APIs.
- Proficient knowledge in SQL/PLSQL.
- Expertise in application/web server deployment and connection pooling techniques.
- Cloud deployment (AWS & Azure) will be an added advantage.
- Experience in Version Control tools like Git, Bitbucket, etc.
- Experience in data security and protocols is a must.
- Maven and IDE tools experience is a must.
- Multi-threading and serialization techniques knowledge is a must.
- Good understanding of end-to-end software development lifecycle.
- Ability to read and understand requirements and design documents.
- Good Analytical skills and should be self-driven. Good communication with interpersonal skills.
- Open to learning new technologies and domains.
- A good team player and ready to take up new challenges
- Languages: Java(J2SE), J2EE (Servlets, JSPs, JDBC)
- Databases: MySQL, Oracle, SQL Server, PostgreSQL.
- DB Script: SQL and PL/SQL
- Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
- OS: Windows, Linux/Unix.
- Cloud Services: AWS and Azure (Good to have)
- Version Control tools: Git, Bitbucket.
- Deployment Servers: Tomcat, JBoss, and Web sphere
- Build Tools: Gradle/Maven
- Build campaign generation services which can send app notifications at a speed of 10 million a minute
- Dashboards to show Real time key performance indicators to clients
- Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
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- As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
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- Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
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- 2-5 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
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- Strong analytical skills, debugging and troubleshooting skills, product line analysis.
- Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
- Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
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- Knowledge about versioning like Git and deployment processes like CICD.
We are seeking a skilled Node.js + Python Developer to join our team. The successful candidate will be responsible for developing and maintaining web applications using Node.js and Python. The ideal candidate will have a strong understanding of both Node.js and Python, as well as web application development. Responsibilities:
Developing and maintaining web applications using Node.js and Python
Write clean and efficient code that adheres to Node.js and Python coding standards
Collaborate with other developers and team members to design and implement new features
Troubleshoot and debug issues in existing code
Create and maintain technical documentation
Requirements:
Strong knowledge of Node.js and Python
Familiarity with front-end technologies such as HTML, CSS, and JavaScript
Experience with MySQL/Mongo and database design
Good understanding of object-oriented programming and design patterns
Strong problem-solving skills and attention to detail
Good communication skills and ability to work in a team environment
Preferred Qualifications:
Experience with popular Node.js frameworks such as Express or Koa
Experience with OpenAi APIs
Knowledge of machine learning and data science libraries in Python such as TensorFlow, Scikit-learn, and Pandas
Experience with RESTful API development
Experience with payment gateway integrations
Role Description
- We are looking to add a Software Engineer to contribute to the development, upgradation and management of our back end services for our website / PWA / app / chatbot / internal tools.
- You will be part of a lean team with a very steep learning / growth opportunity while working on and exploring some of the cutting edge technologies
- This is a full-time role in Mumbai with flexible working hours (including WFH)
- You will be working closely with the founder and be involved in strategic decisions such as back end architecture, tech stack selection, hiring, etc.
- We have multiple products in the pipeline and we need a strong team player who can contribute shoulder-to-shoulder with the existing team in the software development process.
- CTC offered: upto Rs. 22 Lakhs
What are we looking for in the candidate?
- Must have qualities: logical & independent thinker; problem solver; result oriented; takes ownership; ability to work indepenently with end-to-end output delivery; ability to structure the code (to avoid rework in future)
- Experience in writing production quality code in NodeJS, Python, Java, or Ruby on Rails
- Hands on experience in design web application using ExpressJS, Koa, Django
- Experience in designing and developing REST API. Familiarity with GraphQL is a plus.
- Proficient in dealing with SQL and NoSQL databases like MySQL, PostgreSQL MongoDB, Elasticsearch.
- Experience with in-memory databases like Redis or MemCache; webserver like Apache, Nginx.
- Experience in stress testing and unit testing and familiarity with testing platforms is a plus
- Proven experience in implementing user authentication and authorization in distributed systems.
- Capability to integrate multiple data sources and databases into one system.
- Experience in designing and developing scalable system.
- Working experience with one of the cloud services like GCP, AWS , Digital Ocean, Azure, etc.
- Knowledge of low-code / no-code tools to expedite production is a plus
- Engineering degree; Computer Science preferably + minimum 2 years of work experience as a Back End Engineer (NOTE: Please do not apply if you do not meet this criteria)
- Clear communication, strong inter-personal skills
What can you expect to gain from the role?
- Experience of a lifetime by disrupting the antiquated tech of Real Estate
- Steep learning curve with opportunity to
- Opportunity to generate immense wealth for yourselves from the equity allocation
- A good cash salary
- Standard perks (health insurance, medical benefits etc.)
Hiring Process
- CV screening
- Coding Test
- Technical Interview

JD - Senior Dev with more than 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
Job Type: Full-time
CTC Offering : 3.6L PA to 6L PA
Job Location: Remote for 6-9 months due to the pandemic, then Mumbai, Maharashtra
Required experience:
-
Minimum 1.5 to 2 year of experience in Web & Backend Development using Python with experience in some form of Machine Learning ML Algorithms
Overview
We are looking for Python developers with a strong understanding of object orientation and experience in web and backend development. Experience with Analytical algorithms and mathematical calculations using libraries such as Numpy and Pandas are a must. Experience in some form of Machine Learning. We require candidates who have working experience using Django Framework
Key Skills required (Items in Bold are mandatory keywords) :
1. Proficiency in Python 3.x based web and backend development
2. Solid understanding of Python concepts
3. Experience with some form of Machine Learning (ML)
4. Experience in using libraries such as Numpy and Pandas
5. Some form of experience with NLP and Deep Learning using any of Pytorch, Tensorflow, Keras, Scikit-learn or similar
6. Hands on experience with RDBMS such as Postgres or MySQL
7. Experience building REST APIs using DRF or Flask
8. Comfort with Git repositories, branching and deployment using Git
9. Working experience with Docker
10. Basic working knowledge of ReactJs
11. Experience in deploying Django applications to AWS,Digital Ocean or Heroku
KRAs includes:
1. Understanding the scope of work
2. Understanding and adopting the current internal development workflow and processes
3. Understanding client requirements as communicated by the project manager
4. Arriving on timelines for projects, either independently or as a part of a team
5. Executing projects either independently or as a part of a team
6. Developing products and projects using Python
7. Writing code to collect and mathematically analyse large volumes of data.
8. Creating backend modules in Python by building or reutilizing existing modules in a manner so as to
provide optimal deliveries on time
9. Writing Scalable, maintainable code
10. Building secured REST APIs
11. Setting up batch task processing environments using Celery
12. Unit testing prepared modules
13. Bug fixing issues as reported by the QA team
14. Optimization and performance tuning of code
Bonus but not mandatory
1. Nodejs
2. Redis
3. PHP
4. CI/CD
5. AWS
Locus is a global decision- making platform in the supply chain that uses deep learning and proprietary algorithms to provide route optimization, real-time tracking, insights and analytics, beat optimization, efficient warehouse management, vehicle allocation and utilization, intuitive 3D packing and measurement of packages. Locus automates human decisions required to transport a package or a person, between any two points on earth, delivering gains along efficiency, consistency, and transparency in operations.
Locus, which has achieved a peak of 1 million orders processed in a day (200,000 orders an hour) and is trained & tested on over 100 million+ order deliveries, works in 75 cities across the globe. Locus works with several large-scale market leaders like Urban Ladder, Tata Group of Companies, Droplet, Licious, Rollick, Lenskart, other global FMCG, pharma, e-commerce, 3PL and logistics conglomerates.
Locus is backed by some of the biggest names in the market and recently raised $22 MN in Series B funding and also $4 Mn in a pre-Series B round. Earlier, In 2016, Locus raised $2.75 Mn (INR 18.3 Cr) in a Series A funding.
Locus was started by Nishith Rastogi and Geet Garg, two ex-Amazon engineers on a mission to democratize logistics intelligence for businesses across industries. Nishith was profiled by Forbes Asia in their ’30 Under 30’ 2018 list. Geet, on the other hand, holds a dual degree (BTech and MTech) in Computer Science and Engineering from the Indian Institute of Technology. Our team constitutes of engineers from Indian Institute of Technology and Birla Institute of Technology & Science- Pilani, and Data Scientists with PhDs from Carnegie Mellon University and Tata Institute of Fundamental Research. Our multifaced product and business team is led by senior members from Barclays, Google & Goldman Sachs with immense operational execution experience.
Job Description
- Design & implement backend APIs at Locus.sh
- Mentor junior developers technically.
- Actively work to reduce tech debt in the Locus backend
- Work towards more stability & scalability of the backend
- Tech stack - Java, AWS, Aurora etc.
Eligibility
- 4-8 years of product company experience
- OOP implementation experience. Programming language does not matter, We use Java internally but have hired folks from non Java background.
- Hands on experience in SQL, Dynamo DB, Postgres etc preferred.
- Prior experience building REST APIs
- Advanced understanding of AWS stack
- Prior knowledge of solving problems at scale.
Perks:
- Healthy catered meals at office
- You decide your own Work From Home (WFH) and Out Of Office (OOO)
- Pet-friendly - bring your pets to the office any day. Locus family already has a Rottweiler and a Beagle









