Backend Developer

Role & Responsibilities

Design, develop, and implement high-quality software solutions for payment processing.

Maintain a regular release cadence and manage the product backlog.

Ensure timely and lossless communication across teams.

Uphold engineering values and best practices.

Collaborate with international teams to ensure successful product development and delivery.

Ideal Candidate

A strong technical background in software engineering and architecture, with experience in modern programming language

Ability to work independently with very little direction, taking full ownership of projects.

Identifying blind spots, anticipate challenges, and prioritize work effectively

Exceptional communication and organizational skills.

A Bachelor's degree in Computer Science, Engineering, or equivalent experience.

8+ years of relevant experience preferred

Proficiency using Python, Kafka, Kubernetes, and AWS

Experience with Distributed Task Queues such as Celery and RabbitMQ is preferred.

Experience with RDBMS/SQL is also preferred.

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.

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What You'll Do:

At LearnTube, we’re pushing the boundaries of Generative AI to revolutionise how the world learns. As a Backend Engineer, you will be building the backend for an AI system and working directly on AI. 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.

Job Summary:

We are seeking a highly skilled and self-driven Java Backend Developer with strong experience in designing and deploying scalable microservices using Spring Boot and Azure Cloud. The ideal candidate will have hands-on expertise in modern Java development, containerization, messaging systems like Kafka, and knowledge of CI/CD and DevOps practices.Key Responsibilities:

• Design, develop, and deploy microservices using Spring Boot on Azure cloud platforms.
• Implement and maintain RESTful APIs, ensuring high performance and scalability.
• Work with Java 11+ features including Streams, Functional Programming, and Collections framework.
• Develop and manage Docker containers, enabling efficient development and deployment pipelines.
• Integrate messaging services like Apache Kafka into microservice architectures.
• Design and maintain data models using PostgreSQL or other SQL databases.
• Implement unit testing using JUnit and mocking frameworks to ensure code quality.
• Develop and execute API automation tests using Cucumber or similar tools.
• Collaborate with QA, DevOps, and other teams for seamless CI/CD integration and deployment pipelines.
• Work with Kubernetes for orchestrating containerized services.
• Utilize Couchbase or similar NoSQL technologies when necessary.
• Participate in code reviews, design discussions, and contribute to best practices and standards.

Required Skills & Qualifications:

• Strong experience in Java (11 or above) and Spring Boot framework.
• Solid understanding of microservices architecture and deployment on Azure.
• Hands-on experience with Docker, and exposure to Kubernetes.
• Proficiency in Kafka, with real-world project experience.
• Working knowledge of PostgreSQL (or any SQL DB) and data modeling principles.
• Experience in writing unit tests using JUnit and mocking tools.
• Experience with Cucumber or similar frameworks for API automation testing.
• Exposure to CI/CD tools, DevOps processes, and Git-based workflows.

Nice to Have:

• Azure certifications (e.g., Azure Developer Associate)
• Familiarity with Couchbase or other NoSQL databases.
• Familiarity with other cloud providers (AWS, GCP)
• Knowledge of observability tools (Prometheus, Grafana, ELK)

Soft Skills:

• Strong problem-solving and analytical skills.
• Excellent verbal and written communication.
• Ability to work in an agile environment and contribute to continuous improvement.

Why Join Us:

• Work on cutting-edge microservice architectures
• Strong learning and development culture
• Opportunity to innovate and influence technical decisions
• Collaborative and inclusive work environment

About the Role:

As a part of the Tech team, you will be involved in solving technical challenges, working with modern databases and systems, design and architecture of components/services, and handling highly critical secure data.

Responsibilities:

• You’ll be working on our P2P and cryptocurrency exchange platforms to build more features around it.
• Understand the way current users interact with the chatbot and how to optimize the existing content.
• WazirX being a financial product, you’ll be involved in building tools to make our user’s data more secure.
• You will be working on blockchain technologies
• You will help maintain code quality and organization.
• We expect you to learn about new software technologies, and proactively look for ways to make WazirX better.

You'll be a good fit if:

• You’ve got 3 to 6 years of development experience.
• You’re an expert in writing background tasks, test-driven development.
• You’re an expert in Golang 
• You’re good at understanding and implementing multithreaded environments to improve the speed of the execution
• You enjoy collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• You’re committed to quality, and your code solves more problems than it creates ;)

Job Description:

Engage in code design, testing, integration, deployment, and enhancements

Write high-quality code and take responsibility for tasks

Solve performance bottlenecks

Communicate and collaborate with product manager, QA, and UI/UX teams

Deliver with quality, on-time in a fast-paced start-up environment

Have a strong sense of code quality

Candidate Profile:

Bachelor’s/Master’s degree in Engineering, Computer Science (or equivalent experience)

At least 5+ years of relevant experience as a back-end engineer

Excellent Java and object-oriented development skills

Experience in building and scaling microservices

Strong problem-solving skills, technical troubleshooting, and diagnosing

Solid knowledge of RDBMS and NoSQL technologies

Experience in developing back-ends for enterprise systems

Knowledge of debugging performance and optimization techniques

Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka

Good knowledge of cloud technologies eg. AWS

Demonstrated ability to deliver in a fast-paced environment

1. Role: IoT Application Development (Java) Skill Set:

• Proficiency in Java 11.
• Strong knowledge of Spring Boot framework.
• Experience with Kubernetes.
• Familiarity with Kafka.
• Understanding of Azure Cloud services.

1 Experience: 3 to 5 years Location: Bangalore ; Notice period : Immediate Joiners

1. Job Description: We are seeking an experienced IoT Application Developer with expertise in Java to join our team in Bangalore. As a Java Developer, you will be responsible for designing, developing, and deploying IoT applications. You should have a solid understanding of Java 11 and the Spring Boot framework. Experience with Kubernetes and Kafka is also required. Familiarity with Azure Cloud services is essential. Your role will involve collaborating with the development team to build scalable and efficient IoT solutions using Java and related technologies.

About Toyota Connected

If you want to change the way the world works, transform the automotive industry and positively impact others on a global scale, then Toyota Connected is the right place for you! Within our collaborative, fast-paced environment we focus on continual improvement and work in a highly iterative way to deliver exceptional value in the form of connected products and services that wow and delight our customers and the world around us.

About the Team

Toyota Connected India is hiring talented engineers at Chennai to use Deep Learning, Computer vision, Big data, high performance cloud-based services and other cutting-edge technologies to transform the customer experience with their vehicle.  Come help us re-imagine what mobility can be today and for years to come!

Job Description

Toyota Connected is looking for a Backend Developer who will architect, design, develop and participate in testing and documentation of large-scale, distributed software applications, systems and services. The Labs team is focused on creating products and services for next generation Connected vehicle systems and the team members are required to be creative in solving problems, excited to work in new technology areas and be ready to wear multiple hats to get things done. This is a highly-energized, fast-paced, innovative and collaborative startup environment; therefore, it is essential that not only the skillset, but also the personality matches such an environment.

 You are a successful candidate if you:

• Are smart and can demonstrate it.
• Have 3+ years of experience as a developer for web scale products and services
• Have strong experience in Java or Golang (minimum 1 year) and implemented key aspects of an end-to-end solution
• Have expertise in implementing microservices (using tools and technologies for messaging, RPC, containerization, etc)
• Have expertise in design and development using DB (RDBMS, NoSQL) and caching (e.g Redis) solutions, especially in microservices environment
• Have experience with Containerization (Docker, Kubernetes, etc)
• Have Public cloud technology experience in production (Azure, AWS, or Equivalent)
• Have the ability and willingness to manage other developers including mentoring, performance reviews, etc
• Have solved non-functional aspects of like scalability, security, reliability with cutting edge if not bleeding edge technology
• Are good about creating unit tests, performing code reviews, optimizing performance and ensuring standards for maintainability
• You can manage ambiguity and are comfortable being set loose without a lot of direction
• You are confident in expressing your point of view from a position of knowledge and experience. You are also receptive to feedback and open to revising your plans when appropriate
• We think the knowledge acquired earning a degree in Computer Science would be of great value in this position, but if you're smart and have the experience that backs up your abilities, for us, talent trumps degree every time

 It will be Nice if you have:

• Some front-end development experience
• Hands-on experience delivering products or solutions that utilized Machine learning, NLP or other forms of AI - with tools such as Scikit-learn, Tensor flow, Keras, Theano / Spacy, NLTK, etc

What is in it for you? 

• Top of the line compensation!
• You'll be treated like the professional we know you are and left to manage      your own time
• Yearly gym membership reimbursement & Free catered lunches.
• No dress code! We trust you are responsible enough to choose what’s appropriate to wear
• Opportunity to build products that improves the safety and convenience of millions of customers.

                 Cool office space and awesome benefits

 Our Core Values

• Passionate: We are here to build something great, not just for the money. We      are always looking to improve the experience of our millions of customers
• Innovative: We experiment with ideas to get to the best solution. Any constraint is a challenge, and we love looking for creative ways to solve them.
• Empathetic: We begin making decisions by looking at the world from the perspective of our customers, teammates, and partners.
• Collaborative: When it comes to people, we think the whole is greater than its parts and that everyone has a role to play in the success!
• Effective: We consistently go beyond, being smart and proactive, to make things the right things happen, not waiting to be told.