Fullstack 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 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.

Role Overview:

As a Backend Developer at LearnTube.ai, you will ship the backbone that powers 2.3 million learners in 64 countries—owning APIs that crunch 1 billion learning events & the AI that supports it with <200 ms latency.

Skip the wait and get noticed faster by completing our AI-powered screening. Click this link to start your quick interview. It only takes a few minutes and could be your shortcut to landing the job! -https://bit.ly/LT_Python

What You'll Do:

At LearnTube, we’re pushing the boundaries of Generative AI to revolutionize how the world learns. As a Backend Engineer, your roles and responsibilities will include:

• Ship Micro-services – Build FastAPI services that handle ≈ 800 req/s today and will triple within a year (sub-200 ms p95).
• Power Real-Time Learning – Drive the quiz-scoring & AI-tutor engines that crunch millions of events daily.
• Design for Scale & Safety – Model data (Postgres, Mongo, Redis, SQS) and craft modular, secure back-end components from scratch.
• Deploy Globally – Roll out Dockerised services behind NGINX on AWS (EC2, S3, SQS) and GCP (GKE) via Kubernetes.
• Automate Releases – GitLab CI/CD + blue-green / canary = multiple safe prod deploys each week.
• Own Reliability – Instrument with Prometheus / Grafana, chase 99.9 % uptime, trim infra spend.
• Expose Gen-AI at Scale – Publish LLM inference & vector-search endpoints in partnership with the AI team.
• Ship Fast, Learn Fast – Work with founders, PMs, and designers in weekly ship rooms; take a feature from Figma to prod in < 2 weeks.

What makes you a great fit?

Must-Haves:

• 2+ yrs Python back-end experience (FastAPI)
• Strong with Docker & container orchestration
• Hands-on with GitLab CI/CD, AWS (EC2, S3, SQS) or GCP (GKE / Compute) in production
• SQL/NoSQL (Postgres, MongoDB) + You’ve built systems from scratch & have solid system-design fundamentals

Nice-to-Haves

• k8s at scale, Terraform,
• Experience with AI/ML inference services (LLMs, vector DBs)
• Go / Rust for high-perf services
• Observability: Prometheus, Grafana, OpenTelemetry

About Us: 

At LearnTube, we’re on a mission to make learning accessible, affordable, and engaging for millions of learners globally. Using Generative AI, we transform scattered internet content into dynamic, goal-driven courses with:

• AI-powered tutors that teach live, solve doubts in real time, and provide instant feedback.
• Seamless delivery through WhatsApp, mobile apps, and the web, with over 1.4 million learners across 64 countries.

Meet the Founders: 

LearnTube was founded by Shronit Ladhani and Gargi Ruparelia, who bring deep expertise in product development and ed-tech innovation. Shronit, a TEDx speaker, is an advocate for disrupting traditional learning, while Gargi’s focus on scalable AI solutions drives our mission to build an AI-first company that empowers learners to achieve career outcomes. We’re proud to be recognised by Google as a Top 20 AI Startup and are part of their 2024 Startups Accelerator: AI First Program, giving us access to cutting-edge technology, credits, and mentorship from industry leaders.

Why Work With Us? 

At LearnTube, we believe in creating a work environment that’s as transformative as the products we build. Here’s why this role is an incredible opportunity:

• Cutting-Edge Technology: You’ll work on state-of-the-art generative AI applications, leveraging the latest advancements in LLMs, multimodal AI, and real-time systems.
• Autonomy and Ownership: Experience unparalleled flexibility and independence in a role where you’ll own high-impact projects from ideation to deployment.
• Rapid Growth: Accelerate your career by working on impactful projects that pack three years of learning and growth into one.
• Founder and Advisor Access: Collaborate directly with founders and industry experts, including the CTO of Inflection AI, to build transformative solutions.
• Team Culture: Join a close-knit team of high-performing engineers and innovators, where every voice matters, and Monday morning meetings are something to look forward to.
• Mission-Driven Impact: Be part of a company that’s redefining education for millions of learners and making AI accessible to everyone.

Full Stack WordPress Developer with 5-8 years of proven experience in WordPress development. The ideal candidate will have a strong background in both frontend and backend development, with expertise in API integration, data manipulation, and data visualization. This role will involve building robust WordPress solutions from the ground up, integrating third-party APIs, and creating visually engaging data representations in the admin dashboard.

Responsibilities:

Develop and maintain custom WordPress themes, plugins, and frontend components

Implement backend functionality using PHP, MySQL, and other relevant technologies

Integrate third-party APIs and manipulate data to meet project requirements

Design and implement data visualization solutions using charts and graphs in the WordPress admin dashboard

Ensure seamless integration of frontend designs into WordPress

Work with cross-functional teams including project managers and other developers to deliver high-quality solutions on time and within budget

Troubleshoot and debug issues as they arise, providing timely resolutions

Stay up-to-date with the latest trends and best practices in WordPress development and Full Stack development

Requirements:

Bachelor's degree in Computer Science, Engineering, or related field

5-8 years of hands-on experience in WordPress development as a Full Stack Developer

Strong proficiency in PHP, HTML, CSS, JavaScript, and MySQL

Experience with frontend frameworks/libraries such as Bootstrap, React, Vue.js, or Angular

Proven track record of developing custom WordPress themes, plugins, and frontend/backend components

Experience with API integration and data manipulation

Excellent communication and collaboration skills

Ability to work independently and as part of a team

Strong problem-solving and analytical skills

Attention to detail and commitment to delivering high-quality work

we are looking for a talented and passionate Python Engineer to join our team. As part of our Insights backend team, you will be building new and improving existing services powering the Insights platform. This is a fast-paced role with high growth, visibility, impact, and where many of the decisions for new projects will be driven by you and your team from inception through production. If you are seeking an environment where you get to do meaningful work with other great engineers, then we want to hear from you!

Skills & Requirements

• At least 1 years of experience with Python, Django.
• Well versed in building the backend logic of web applications.
• Strong database skills.
• Solid foundation in designing and developing scalable API’s.
• Understanding of general web architecture.
• A Bachelors, Masters, or PhD in Computer Science, Information Technology, Computer Engineering or some related discipline, or equivalent experience.
• Hands on experience with Django, Flask or other Python frameworks.
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
• Debugging applications to ensure low-latency and high-availability.
• Integrating user-facing elements with server-side logic.
• Implementing security and data protection.

Good to have skills :

• Excellent interpersonal, organizational, written communication, oral communication and listening skills.
• Should come up with the work estimation and should provide inputs to managers on resource and risk planning.
• Ability to coordinate with, stakeholders, manage timelines, escalation & provide on time status.
• Familiarity with some ORM (Object Relational Mapper) libraries.
• Web frameworks and RESTful APIs experience.

Salary: ₹600,000.00 - ₹700,000.00 per year

Job Type: Full-time

Benefits: Leave encashment ,Paid sick time

Schedule: Day shift

Supplemental pay types: Performance bonus

Ability to commute/relocate: Lucknow, Uttar Pradesh: Reliably commute or planning to relocate before starting work (Required)

Education: Bachelor's (Preferred)

What will I be doing? 👩‍💻👨‍💻

Leading parts of the product from inception to launch, and own large parts of the product’s execution.
Working with our Sales and frontend team to build products with the goal of delighting and increasing the success of our users.
Architecting, building, testing, and releasing product-facing features.
Contributing to our side projects and free tools for the education industry.

What do I need? 🤓

1-2 years of industry experience in a software engineering role, preferably building a SaaS product. You can demonstrate significant impact that your work has had on the product and/or the team.
Deep knowledge of a high-level programming language (for example, PHP, Python, etc.) but it doesn’t need to be a language that we use here! Great people are effective and learn what we use quickly (or introduce us to better ways of working)
Deep knowledge of SQL Databases
Experience with scalable distributed systems, both built from scratch as well as on AWS primitives
Willingness to learn and use new technologies
Extremely data-driven
Ability to debug complex systems

Brownie points 🍰

Using a framework (for example, Laravel, Code Igniter, Django)
Understanding of containerisation (Docker/Kubernetes) along with ability to deploy to AWS ECS (or similar tools)

Feel free to apply even if you feel unsure about whether you meet every single requirement in this posting. As long as you're a quick learner, and are excited about changing the status quo for tech recruitment, we're happy to support you as you come up to speed with our tech stack.

Perks 😍

Flexible vacation
Take a tutorial, on us
Monthly remote meals

Tech stack 🔨

PHP
Laravel
NodeJS
VueJS
Ionic Angular
Digital Ocean
AWS
MySQL

Why Classcard? 🚀

We are still in the early stages of our journey. You will be working closely with our users, acting on both their feedback and what our data says. Things you build here will have tremendous impact on both our business and Classcard as a company.
What happens after I apply? 🤔

1. Quick phone call with a member of our engineering team to find out more about your experience and why you want to work at Classcard.

2. Video interview:

   Technical discussion with a senior engineer
   Pairing on an interesting problem
   Meet the founders

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

Responsibilities 

- Responsible to translate the design wireframe to WordPress/Opencart/Ecommerce frameworks with the help of Component, Plugins and modules.

- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)

- Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

- Responsible for handling WordPress and its components / plugins upgrade , customization / creation of web application and portal development independently.

- Should have a strong understanding of Logic and Data Structure.

- Passion for best design and coding practices and a desire to develop new bold ideas.

- Code and modify custom applications using CMS Platforms.

- Responsible for both back - end and front - end development , including Modifying WordPress themes and plugins.

- Strong MySQL database skills.

- Comfortable working with front - end technologies (HTML , CSS , Jquery , JavaScript)

- Experience of CMS like Wordpress , Opencart , Magento.

- The candidate should have a strong understanding of industry trends and content management systems.

- Experience with responsive and adaptive design is strongly preferred.

- Also , an understanding of the entire web development process , including design , development , and deployment is preferred.

- Having experience of WooCommerce Customization , WooCommerce develops / modify add - ons , WooCommerce API , Wordpress / WooCommerce Webhooks , WooCommerce Payment Gateway development and Wordpress API.