Sr. Backend Developer

Required Core Tech Stack:

We're looking for engineers with hands-on experience across most of the following technologies:

• Python Backend Development (3+ years)
• FastAPI (2+ years of production experience required)
• PostgreSQL
• MongoDB
• Redis
• Docker
• Celery or equivalent async task queues
• REST APIs & Microservices
• AWS/GCP
• GitLab CI/CD

The selected Sr. Backend engineer will ship the backbone that powers 4 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 to revolutionize how the world learns. As a Senior Backend Engineer, your roles and responsibilities will include:

• Shipping 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 (Applicants without these skills are unlikely to move forward):

• 3+ 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)
• Observability: Prometheus, Grafana, OpenTelemetry

Why LearnTube?

• Build AI products at global scale – Your work will power learning experiences for 4M+ learners across 64 countries.
• Work directly with experienced founders – Collaborate closely with founders who are deeply involved in product and engineering decisions, giving you ownership and a direct impact on the product roadmap.
• Learn fast – Join a high-performing team where you'll own features end-to-end and solve challenging backend and distributed systems problems.
• Recognized AI startup – LearnTube is a Google Top 20 AI Startup and part of Google's AI First Startup Accelerator, with access to cutting-edge AI technology and mentorship.

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.

Java Developer (6+ Years Experience)

We are looking for an experienced Java Developer to join our dynamic team for an exciting project with a leading client.

 Role Details:

 Location: Bangalore

 Key Requirements:

 6+ years of hands-on experience in Java development

 Strong expertise in Core Java, Spring Boot, Microservices

 Experience with REST APIs & backend development

 Good understanding of databases (SQL/NoSQL)

 Familiarity with Agile methodologies

Company Overview 

McKinley Rice is not just a company; it's a dynamic community, the next evolutionary step in professional development. Spiritually, we're a hub where individuals and companies converge to unleash their full potential. Organizationally, we are a conglomerate composed of various entities, each contributing to the larger narrative of global excellence.

Redrob by McKinley Rice: Redefining Prospecting in the Modern Sales Era

Backed by a $40 million Series A funding from leading Korean & US VCs, Redrob is building the next frontier in global outbound sales. We’re not just another database—we’re a platform designed to eliminate the chaos of traditional prospecting. In a world where sales leaders chase meetings and deals through outdated CRMs, fragmented tools, and costly lead-gen platforms, Redrob provides a unified solution that brings everything under one roof.

Inspired by the breakthroughs of Salesforce, LinkedIn, and HubSpot, we’re creating a future where anyone, not just enterprise giants, can access real-time, high-quality data on 700 M+ decision-makers, all in just a few clicks.

At Redrob, we believe the way businesses find and engage prospects is broken. Sales teams deserve better than recycled data, clunky workflows, and opaque credit-based systems. That’s why we’ve built a seamless engine for:

• Precision prospecting
• Intent-based targeting
• Data enrichment from 16+ premium sources
• AI-driven workflows to book more meetings, faster

We’re not just streamlining outbound—we’re making it smarter, scalable, and accessible. Whether you’re an ambitious startup or a scaled SaaS company, Redrob is your growth copilot for unlocking warm conversations with the right people, globally.

EXPERIENCE

Duties you'll be entrusted with:

• Develop and execute scalable APIs and applications using the Node.js or Nest.js framework
• Writing efficient, reusable, testable, and scalable code.
• Understanding, analyzing, and implementing – Business needs, feature modification requests, and conversion into software components
• Integration of user-oriented elements into different applications, data storage solutions
• Developing – Backend components to enhance performance and receptiveness, server-side logic, and platform, statistical learning models, highly responsive web applications
• Designing and implementing – High availability and low latency applications, data protection and security features
• Performance tuning and automation of applications and enhancing the functionalities of current software systems.
• Keeping abreast with the latest technology and trends.

Expectations from you:

Basic Requirements

• Minimum qualification: Bachelor’s degree or more in Computer Science, Software Engineering, Artificial Intelligence, or a related field.
• Experience with Cloud platforms (AWS, Azure, GCP).
• Strong understanding of monitoring, logging, and observability practices.
• Experience with event-driven architectures (e.g., Kafka, RabbitMQ).
• Expertise in designing, implementing, and optimizing Elasticsearch.
• Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
• Expertise in Event driven architecture.
• Experience in Integrating Generative AI APIs.
• Working experience in high user concurrency.
• Experience in scaled databases for handling millions of records - indexing, retrieval, etc.,

Technical Skills

• Demonstrable experience in web application development with expertise in Node.js or Nest.js.
• Knowledge of database technologies and agile development methodologies.
• Experience working with databases, such as MySQL or MongoDB.
• Familiarity with web development frameworks, such as Express.js.
• Understanding of microservices architecture and DevOps principles.
• Well-versed with AWS and serverless architecture.

Soft Skills

• A quick and critical thinker with the ability to come up with a number of ideas about a topic and bring fresh and innovative ideas to the table to enhance the visual impact of our content.
• Potential to apply innovative and exciting ideas, concepts, and technologies.
• Stay up-to-date with the latest design trends, animation techniques, and software advancements.
• Multi-tasking and time-management skills, with the ability to prioritize tasks.

THRIVE

Some of the extensive benefits of being part of our team:

• We offer skill enhancement and educational reimbursement opportunities to help you further develop your expertise.
• The Member Reward Program provides an opportunity for you to earn up to INR 85,000 as an annual Performance Bonus.
• The McKinley Cares Program has a wide range of benefits:
• The wellness program covers sessions for mental wellness, and fitness and offers health insurance.
• In-house benefits have a referral bonus window and sponsored social functions.
• An Expanded Leave Basket including paid Maternity and Paternity Leaves and rejuvenation Leaves apart from the regular 20 leaves per annum. 
• Our Family Support benefits not only include maternity and paternity leaves but also extend to provide childcare benefits.
• In addition to the retention bonus, our McKinley Retention Benefits program also includes a Leave Travel Allowance program.
• We also offer an exclusive McKinley Loan Program designed to assist our employees during challenging times and alleviate financial burdens.

we are looking for Node.js developers

Job type - full time

Salary - 10k - 20k /mnth

Qualifications - BTECH, MTECH, MCA passouts

Roles and Responsibility;

• Developing and maintaining all server-side network components.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.

• Collaborating with front-end developers on the integration of elements.

• Designing customer-facing UI and back-end services for various business processes.

• Developing high-performance applications by writing testable, reusable, and efficient code.

• Implementing effective security protocols, data protection measures, and storage solutions.

• Running diagnostic tests, repairing defects, and providing technical support.

• Documenting Node.js processes, including database schemas, as well as preparing reports.

• Recommending and implementing improvements to processes and technologies.

• Keeping informed of advancements in the field of Node.js development

Regards

Maitretech solution

Senior Software Engineer (Java)

We are looking for a Senior Software Engineer - Java

If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you in the heart of Kolkata.

An exhaustive list of expectations :

✓ Design and implement cutting-edge applications

✓ Participate in code reviews and application debugging and diagnosis.

✓ Practice modern software development methodologies such as continuous delivery, and scrum.

✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.

Requirements -

✓ Knowledge and 5+ years of experience in developing Java applications

✓ A completed technical degree in Computer Science or any related fields.

✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.

✓ Solid experience in the design and implementation of Restful APIs and design patterns.

✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack

✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.

✓ Curiosity, out of box problem-solving abilities, and an eye for detail.

✓ Passion for clean code

What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.

Number of position – 3

Job Location – kolkata, Sector 5

Review requirements, design specifications and propose solution and have discussion before implementation

Work with team leads on the requirements and create estimates against those requirements

Deliver projects on time in an agile and continuous development environment

Writing tests in a client-side test framework such as Jest, Jasmine, Mocha, etc.

Work withQA team for resolving issues

Report status with tools like JIRA to stakeholders

• 3-5 years of work experience developing complex software
• Minimum 2years sound experience with back-end development in Java-script frameworks like loopback, Express, etc
• A solid understanding of core Javascript principles and its fundamentals
• Familiarity with popular Javascript tools, frameworks and design principles, and enjoy staying up to date with the changing Javascript ecosystem
• Strong communication skills across the board, with a passion for finding and sharing best practices and driving.

• Javascript • Node • Express • Loopback • OAuth • API Development
• Plus Points • Knowledge of Go, Ruby, Python, Closure or any other languages • Test Driven Development (TDD) • Knowledge of front-end development

Come be a part of one of the most exciting e-learning startup! A product based company building a B2C subscription product for kids around the world. Best understood as a combination of Netflix + Skillshare + Instagram for kids of ages 5 - 15, there is going to be something new every week to work on!

Already present in over 148 countries, kids of all backgrounds, languages and ages use DIY.org on website, iOS and Android. DIY is a place online where kids truly discover themselves.

We are looking for a Product Engineer - Senior Backend Engineer to join our early stage startup with experience in building B2C products.

If you have experience of working in product based companies (preferably startups), and are looking to build exciting things that children across the world will use - come talk to us!

What you get to do:

• Design and build advanced applications from scratch keeping scalability and performance in mind
• A good handle on both client and server architecture.
• Work on bug fixing and improving application performance.
• Comfortable in owning large scale products and continuously re-evaluating and innovating.

Who are we looking for:

• Experience of 7+ years across product based companies
• Should have worked on building B2C products. Having experience in building edtech products would be a major plus.
• Should be an avid programmer with great problem solving skills.
• Should have a great grasp over NodeJs/Typescript/ AWS microservices/DB design/System Design.
• Should have experience in building scalable server-side systems. Should have significant experience in cloud infrastructure and designing databases.
• Should have knowledge of software architecture, system thinking and design patterns.

Sr. Software Developer

Job Description:

• Writing clean, high-quality, high-performance, maintainable code
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements
• Coordinate cross-functionally to insure project meets business objectives and compliance standards
• Responsible for regular enhancement of Algorithm
• Develop and support software architecture
• Responsible for DevOps planning
• Support test and deployment of new products and features
• Participate in code reviews

Skills Required:

• Excellent programming skills and knowledge of complete development process.
• Should have knowledge in PHP, CI, Node.JS, MySQL, MongoDB and Modern JavaScript.
• Knowledge of TDD tools

Qualification:

BE/B.Tech/MCA/Mtech/M.E/PHD