Software Architect/Solution Architect/CTO

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.

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.

Role & Responsibilities

work with peers in Product, QA, and other Engineering departments;

coach and mentor team members;

cautiously drive adoption of new technologies and processes;

preserve our engineering values of quality, scalability, and maintainability;

“see around corners” — identify blind spots and prioritize work across teams;

work with international teams to ensure successful product development and delivery; and

own the overall architecture and systems engineering for your products.

We are in search of a proficient Java Principal Engineer with a minimum of 10 years' experience in designing and developing Java applications. The ideal candidate will demonstrate a deep understanding of Java technologies, including Java EE, Spring Framework, and Hibernate. Proficiency in database technologies such as MySQL, Oracle, or PostgreSQL is essential, along with a proven track record of delivering high-quality, scalable, and efficient Java solutions.

We are looking for you!

You are a team player, get-it-done person, intellectually curious, customer focused, self-motivated, responsible individual who can work under pressure with a positive attitude. You have the zeal to think differently, understand that career is a journey and make the choices right. You must have experience in creating visually compelling designs that effectively communicate our message and engage our target audience. Ideal candidates would be someone who is creative, proactive, go getter and motivated to look for ways to add value to job accomplishments.

As an ideal candidate for the Java Lead position, you bring a wealth of experience and expertise in Java development, combined with strong leadership qualities. Your proven track record showcases your ability to lead and mentor teams to deliver high-quality, enterprise-grade applications.

Your technical proficiency and commitment to excellence make you a valuable asset in driving innovation and success within our development projects. You possess a team-oriented mindset and a "get-it-done" attitude, inspiring your team members to excel and collaborate effectively. 

You have a proven ability to lead mid to large size teams, emphasizing a quality-first approach and ensuring that projects are delivered on time and within scope. As a Java Lead, you are responsible for overseeing project planning, implementing best practices, and driving technical solutions that align with business objectives.

You collaborate closely with development managers, architects, and cross-functional teams to design scalable and robust Java applications.

Your proactive nature and methodical approach enable you to identify areas for improvement, mentor team members, and foster a culture of continuous learning and growth.

Your leadership style, technical acumen, and dedication to delivering excellence make you an ideal candidate to lead our Java development initiatives and contribute significantly to the success and innovation of our organization.

What You Will Do: 

• Design and development of RESTful Web Services.  
• Hands on database experience (Oracle / PostgreSQL / MySQL /SQL Server).  
• Hands on experience with developing web applications leveraging Spring Framework.  
• Hands on experience with developing microservices leveraging Spring Boot.  
• Experience with cloud platforms (e.g., AWS, Azure) and containerization technologies.   
• Continuous Integration tools (Jenkins & Git Lab), CICD Tools. 
• Strong believer and follower of agile methodologies with an emphasis on Quality & Standards based development. 
• Architect, design, and implement complex software systems using [Specify relevant technologies, e.g., Java, Python, Node.js. 

What we need?

• BTech computer science or equivalent  
• Minimum 10+ years of relevant experience in Java/J2EE technologies  
• Experience in building back in API using Spring Boot Framework, Spring DI, Spring AOP  
• Real time messaging integration using Kafka or similar framework  
• Experience in at least one database: Oracle, SQL server or PostgreSQL
• Previous experience managing and leading high-performing software engineering teams.   

Why join us?

• Work with a passionate and innovative team in a fast-paced, growth-oriented environment.
• Gain hands-on experience in content marketing with exposure to real-world projects.
• Opportunity to learn from experienced professionals and enhance your marketing skills.
• Contribute to exciting initiatives and make an impact from day one.
• Competitive stipend and potential for growth within the company.
• Recognized for excellence in data and AI solutions with industry awards and accolades.

• Work on large-scale, custom distributed software systems using Java, Scala,
• MongoDB, JavaScript (AngularJS, ReactJS), and the likes
• We work almost exclusively on customer site providing a mix of delivery and consulting
• services, so you'll be flexible about travel
• Employ Agile development including task estimation, test automation, deployment automation, and Continuous Integration to improve overall execution speed and product quality
• Work in a dynamic, collaborative, transparent, non-hierarchical, and ego-free culture where your talent is valued over a designation or title
• Spread the word about best practices in software development inside and outside the Equal Experts community like Expert Talks

• 6 + years of Hands-on development and delivery experience with Java, Scala, and the likes
• Passion for software engineering and craftsman-like coding prowess
• Great OO skills, including strong design patterns knowledge
• Experience working with Agile, TDD, Lean, and/or Continuous Delivery approaches and best practices, such as Extreme Programming (XP)
• Enthusiastic to work collaboratively with people and sharing your ideas to solve real business problems

• Minimum 4 years’ experience developing Node.js applications on top of RESTful APIs.
• Experience building single page applications using JavaScript frameworks and libraries (React)
• Experience with cross-browser, cross-platform and design constraints on the web.
• Experience with test automation: TDD, unit/integration/functional testing.
• Solid understanding of object-oriented design and programming concepts.
• Have a passion for quality and writing clean, solid, readable code that scales and performs well.
• Proficient in Git and familiarity with continuous integration.
• A team player who values collaboration, innovation, and inclusion
• Comfortable working in an Agile environment
• Strong verbal and written communication skills

• Strong knowledge of Ruby on rails framework.
• Strong Knowledge of coding languages, like PERL, Python and Ruby.
• Good knowledge of Relation and NoSQL databases. like MySQL, Postgres, NoSQL etc.
• Knowledge of Microservices development and AWS concept will be an added advantage.
• Ready to adopt new technologies and implement them in project.

Collaborate with clients and internal teams to develop appropriate solutions

• Brainstorm with team members and prove the ability to think on the fly.

Requirements

• Core Java

• Spring Boot, Spring Rest, Spring Data

• Testing framework - Junit, Mockito

• Experience in deploying applications on one of public cloud preferably Microsoft Azure. (Other

- AWS or Google Cloud)

• Experience in one of messaging platform preferably Kafka (Other - Rabbitmq or Active MQ)

• Docker

• Kubernetes

• Others – Linux, Git, Maven, CI/CD pipeline

• Experience in working with Agile teams

Good To Have

• Git (6+ years of experience)

• Develop test cases, conduct SIT, load test, and tune the performance of systems to meet

acceptance criteria.

• Perform and manage stages of the SCRUM and participate in the systems review with Project

Lead/Manager.

• Experience in the development of cloud-native applications is an added advantage.

• Experience working in Agile teams

What We Offer

• National and International Business Trips (if there is an opportunity)

• Culture of Knowledge Sharing and Training

• Modern & lively working environment

• Opportunity to write books, participate in conferences

• International assignment