
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.
• 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.
• 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.
What We Expect:
• 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.

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Job Title : Python Backend Lead / Senior Python Developer
Experience : 6 to 10 Years
Location : Bangalore (CV Raman Nagar)
Openings : 8
Interview Rounds : 1 Virtual + 1 In-Person (Face-to-Face with Client)
Note : Only local Bangalore candidates will be considered
About the Role :
We are seeking an experienced Python Backend Lead / Senior Python Developer to design, develop, and optimize scalable backend solutions.
The role involves working with large-scale data, building efficient APIs, integrating middleware solutions, and ensuring high performance and reliability.
You will lead a team of developers while also contributing hands-on to coding, design, and architecture.
Mandatory Skills : Python (Pandas, NumPy, Matplotlib, Plotly), FastAPI/FlaskAPI, SQL & NoSQL (MongoDB, CRDB, Postgres), Middleware tools (Mulesoft/BizTalk), CI/CD, RESTful APIs, OOP, OOD, DS & Algo, Design Patterns.
Key Responsibilities :
- Lead backend development projects using Python (FastAPI/FlaskAPI).
- Design, build, and maintain scalable APIs and microservices.
- Work with SQL and NoSQL databases (MongoDB, CRDB, Postgres).
- Implement and optimize middleware integrations (Mulesoft, BizTalk).
- Ensure smooth deployment using CI/CD pipelines.
- Apply Object-Oriented Programming (OOP), Design Patterns, and Data Structures & Algorithms to deliver high-quality solutions.
- Collaborate with cross-functional teams (frontend, DevOps, product) to deliver business objectives.
- Mentor and guide junior developers, ensuring adherence to best practices and coding standards.
Required Skills :
- Strong proficiency in Python with hands-on experience in Pandas, NumPy, Matplotlib, Plotly.
- Expertise in FastAPI / FlaskAPI frameworks.
- Solid knowledge of SQL & NoSQL databases (MongoDB, CRDB, Postgres).
- Experience with middleware tools such as Mulesoft or BizTalk.
- Proficiency in RESTful APIs, Web Services, and CI/CD pipelines.
- Strong understanding of OOP, OOD, Design Patterns, and DS & Algo.
- Excellent problem-solving, debugging, and optimization skills.
- Prior experience in leading teams is highly desirable.
WHAT YOU'LL WORK ON
- Build and scale backend services using Node.js & Express
- Architect and optimize MongoDB schemas for performance
- Contribute to frontend features with Next.js & React
- Debug production issues, optimize API latency & CI/CD pipelines
- Integrate MathJax (LaTeX rendering) & VdoCipher (secure video)
WHAT WE'RE LOOKING FOR
- Strong DSA fundamentals — logical thinking over competitive coding
- Deep JavaScript/TypeScript knowledge: Closures, Promises, Event Loop
- 1–2 original projects (no To-Do apps or tutorial clones)
- Ability to independently pick up Docker, Redis, or AWS
- Ownership mindset — ensure it works in production, not just locally
BONUS POINTS
- Docker / containerization basics
- Real-world AWS experimentation (EC2, S3, Lambda)
- Active GitHub profile: open-source contributions or unique projects
AI Usage Policy:
We encourage AI tools (Cursor, Copilot, GPT-4) as force multipliers — but you must own your code, explain rade-offs, and debug without solely relying on AI.
HOW TO APPLY
- Share your GitHub profile link
- Include live demo links to your best, most original projects
We value what you've built far more than what's on your resume.
Position: Lead Backend Engineer
Location: Pune, India (Initially Remote Due to COVID 19)
About the Organization:
It is one of the most exciting Bay Area Product Driven Organization in Logistics industry supporting more than 30,0000 customers.
As a software engineer on the Backend team, you will be building and owning backend services and infrastructure that power our core products. We strive for high standard of engineering quality while solving unique hardware as well as software challenges. You will have high impact roles at a relatively small company for our user base. You thrive in fast-paced, unstructured environments that require you to wear many hats and think on your feet.
What we are looking for?
- 4+ years of software engineering experience
- 2+ year of experience in Python/Django or Go
- Familiarity with Node.JS is a plus
- You write high quality and well-tested code to meet the needs of your customers.
- Good intuition for REST API design
- Start-up experience is a plus
- BS/MS/PHD in Computer Science or a related field (ideal)
- Preferably a Pune based candidate who can join at the earliest / Within a month
Should Be a Computer Science Graduate from a Tier-1 Engineering college like IIT/ BHU / NIT / VIT / COEP / PICT / BITS
Why join us?
- Very high-growth
- Passionate, collaborative, and awesome co-workers
- Free lunches
- Competitive salaries
Hi,
We are hiring for the position of Java Tech Lead. Please find below the details for the same.
A passionate developer who has a strong working knowledge of OOPS and functional programming
principles. Standard Definitions and abbreviations don't entice us that much.
Key skills:
• Strong Java and J2EE background with 5-7 years of experience.
• Strong working experience in Multi-Threading, Exception Management and the Use of Collections.
• Sound knowledge of working with application aspects i.e., Caching, Asynchronous APIs, Logging etc.
• Experience with web application frameworks like Spring Boot or Dropwizard.
• Unit Testing is an everyday affair and hence demands very good unit testing skills using tools like Junit & TestNG.
• Understanding of relational databases, RESTful services, and build tools like Maven & Gradle
• Knows what and when to mock and has used frameworks like Mockito/Power Mock.
• Understanding of message queues such as ActiveMQ, Kafka, and RabbitMQ.
• Version Control is treated as important as programming skills. Fluent with version control tools like Git and Bitbucket.
• Exposure to Agile/Scrum, TDD not in theory but in practice.
• Experience with Continuous Integration, Continuous Deployment, Static Code Analysis, Jenkins and SonarQube.
• Willingness to take ownership of the technical solution and ensure technical expectations of deliverables are met.
• Strong communication skills along with the ability to articulate technical designs and concepts.
• Exposure to cloud and containerization would be a plus.
• Hands-on experience in application development in an enterprise setup.
• Have a good understanding of Distributed Application Architecture.
Our young and rapidly growing team at Zycus is looking to fill out vacant positions for Lead Engineers. We are a well established SAAS based company, with 20+ years of AI legacy and experience in the industry. Once you join us, you will get to innovate and experience the latest technologies including Artificial Intelligence, Machine Learning and AWS Cloud. We are looking for candidates well versed with Java/J2EE, Spring boot, Microservices, Hibernate, JMS/ Kafka/ Rabbit and most importantly an expert in design patterns. Exposure to Cloud platform, Full stack environment and Agile methodology, would be a plus.
We are looking for curious, collaborative candidates who are willing to learn and ready to take up new exciting endeavors. You are going to work together with the team on complex innovative projects in the industry. We are basically looking for an enthusiastic candidate with a coding experience of about 5-10 years, with a hands-on experience in Software Product Development and ownership.
You could be a perfect fit if you,
- understand use cases and product requirements, can design, develop, review (code/design), unit test, module test, integration test, documentation for PDLC.
- are an expert in maintaining, enhancing, bug fixing and following standard documentation process laid down for the project.
- follow the defined PDLC process and participate in improving the process, work with cross functional team to achieve project delivery goal.
- ensure all the work meets or exceeds predefined quality standards through exhaustive testing, peer reviews SQA process standards.
- are able to build solution which is easily scalable, high speed/ real-time performance, configurable, deploy-able and secure in SaaS environment using any open source tech stack.
- are able to identify, track and mitigate risks to the product
- are responsible for planning product iterations and releasing iterations on schedule.
Requirements
- 5-10 years’ experience in Java, J2EE and associated technologies (Spring, Hibernate, Web Services, Micro Services, Spring boot)
- Technical Skills: Core Java, Advanced Java, J2EE, Exception handling, Collections, Oops, UML, Oracle, Jenkins, Maven & Linux
- Should be able to build solutions which is easily configurable, deploy able and secure in SaaS environment.
- Must have worked spring boot Extensively.
- Strong hands on development experience in Java, J2EE.
- Product development experience in agile environment will be a big plus though not mandatory.
- Highly Tech Savvy and hands-on.
- Strong evidence of a solution/product created ground up.
Product Development:
- Has in-depth knowledge on technology and end to end development processes.
- Has the ability to recommend new processes/alternatives to meet Product development requirements and rolling them out the team.
Benefits
Five Reasons Why You Should Join Zycus
- Cloud Product Company: We are a Cloud SaaS Company and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.
- A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.
- Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization
- Get a Global Exposure: You get to work and deal with our global customers.
- Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.
About Us
Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and empowers procurement and AP officers to focus on strategic projects; offers data-driven actionable insights for quicker and smarter decisions, and its conversational AI offers a B2C type user-experience to the end-users.
Zycus helps enterprises drive real savings, reduce risks, and boost compliance, and its seamless, intuitive, and easy-to-use user interface ensures high adoption and value across the organization.
Start your #CognitiveProcurement journey with us, as you are #MeantforMore
Job Title: Ruby on Rails - Developer / Technical Lead
Job Description
About the Company:
We are a Data as a Service company that helps businesses harness the power of data. Our technology fuels some of the most interesting big data projects in the world. We are a small bunch of people working towards shaping the imminent data-driven future by solving some of its fundamental and toughest challenges.
The experience is about striving to become the best version of ourselves holistically, an experience that lasts a lifetime. We tend to have clear growth paths for every role and level in the org so the learning never stops. We believe in a work-life blend, and hence encourage responsible flexibility, which is particularly important in a fully remote setup we have. We trust our people with the impact they can create, and let them choose how they want to do so. We are on a mission to put reliable data at the heart of every business to fuel success and intend to transform the lives we touch (of our customers and our people) while on this journey.
Roles and Responsibilities:
-
Leading development projects end to end in all stages of the iterative product development lifecycle, from requirements gathering to testing.
-
Break down problem statements and come up with a scalable design, implementation plan, test plan and execute them with the team on promised timelines.
-
Being a strong advocate for object-oriented design and guide/coach other team members with best practices on Development and QA
-
Collaborate with different teams and own up technical initiatives, bringing in new tools and technologies that help us in strengthening scalability, security, and maintainability of our codebase.
Preferred Skills and Experience:
-
Hands-on experience with modern Ruby on Rails practices and development.
-
Write highly scalable and maintainable code while keeping agility in mind.
-
Demonstrable knowledge of front-end technologies such as JavaScript, HTML, CSS and JQuery
-
Experience with SQL Databases and NoSQL datastores; with previous experience with MySQL and ElasticSearch being a bonus
-
Substantial experience with BDD or TDD and testing frameworks
-
Experience in Linux environment and basic Linux commands.
-
Awareness/experience in setting up and configuring rails applications and other related services is a big plus – eg: Nginx, puma, Redis.
-
Awareness/experience in any one of the modern front-end frameworks Angular, Ember, React, Vue.
-
A high-performance mindset to deliver good quality code and also an understanding of the product with a keen attention to detail.
-
Great communication, particularly in explaining your coding processes, suggestions for best practices, and identifying ways to improve the team's coding quality.
Years of Experience:
1 - 6 Years
Skills: ROR, RUBY ON RAILS
Perks
-
An environment where each employee is celebrated.
-
A one-time home office setup allowance, monthly allowances for internet bills, child care allowance for new mothers/single parents.
-
Half-yearly performance appraisals
-
Flexible working hours
-
Competitive salary

Preferred Skills:
We want to really emphasize Spring Boot (2+ years although 1+ if candidate particularly strong) Using Redis as a caching technology with Spring Boot would be a strong plus
Using Redisson (a particular java client library that can be easily configured with Spring Boot) would be a strong plus
Knowledge of event based messaging systems (Amazon SNS, Amazon MQ, or Kafka (in AWS) Data Cleaning tools and techniques in CSV and Excel
Strong Knowledge of Spring Boot Dependency Injection and Configuration
Experience with APIs for popular e-commerce platforms (Magento, Shopify, Big Commerce, etc.)
SDLC (Software Development Lifecycle) Tools in the context of AWS. (Tools classified under DevOps)
Experience with managing AWS EC2 VM instances and using AWS managed Services (like S3, MySQL, VPC/Networking, Lambda, etc)
Performance Analysis Tools (Code Profiling) on Java VM and particularly Spring Boot
Experience in the development of Workflow or Business Process ApplicationsNice to Have:
Experience with Cassandra or MongoDB with Spring Boot
Horizontal Scaling with Spring Boot (considerations running multiple instances of Spring Boot instances)
Experience with placing Spring Boot applications in Docker/Kubernetes container ecosystems (especially in AWS)
Search technologies such as Lucene/SolrRequirements :
- 3+ years of professional software development experience
- 2+ years of object-oriented Java/J2EE hands-on development
- Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- REST web services
- Anyone of the messaging solutions like Kafka, RabbitMQ
Desirables :
- SQL, No SQL concepts
- Experience of Redis or/and Mongo DB
- Agile methodology
- Experience leading or working with cross geography teams
- Unix, shell scripting & Build Systems
Bonus :
- Microservice design and development experience
- Android application development experience
- Experience in performance optimization is an added advantage
- Full SDLC experience (requirements gathering, architecture, development, QA, etc.)
Responsibilities :
- You will be working with the Supply Chain Management team building a leading eCommerce platform for Asian markets
- Order Promising system, promising the order delivery promise date to customer by applying the constraints on current resource availability across different steps in the supply chain. This system needs to scale for thousands of requests per minute with few million seconds of response time
- Warehouse and Inventory Management system, this system needs to scale to processing huge number of orders across different warehouse.
- Transportation and Logistics Management, involves planning and delivery of huge number orders to end customer. This system has the workflows to manage first mile, line haul and last mile delivery to customer
- Inventory Planning, helps in tracking different selling behaviours of the items and triggers / helps planners to replenish, promote, markdown or place inventory at right place to cut down the on hand inventory requirements
- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding review, coding, unit testing, end user feedback cycle changes and manging and scaling the system in production.
- Primary role in leading software development teams
- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, microservices and SQL.
- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
- Work with a team of amazing developers and designers involved in the design and development of global platforms
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud-based or hosted product platforms
- Drive the implementation of new technologies that improve our ability to build great customers products.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
Qualification :
- A Bachelors degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation, hands-on programming capability, competitive programming is a plus









