Backend DevOp Engg

Note: This job posting is for a full time effort for a 3-6 month contract period. There is an opportunity to get an employment offer depending on the performance in this contract period.

About Learngram

Learngram is a Singapore-based EdTech startup founded by IIT Alums and we are building an innovative online classroom platform designed from scratch that offers all the tools to make teaching and learning seamless, effective and fun. Our tech team is based out of Bengaluru and we are building a high-quality team of result-focused & innovative problem solvers.

Founders

Shirish Chandrakar – Co-Founder/CEO

https://www.linkedin.com/in/shirishc/" target="_blank">https://www.linkedin.com/in/shirishc/

Raman Kishore – Co-Founder/CTO

https://www.linkedin.com/in/kramankishore/" target="_blank">https://www.linkedin.com/in/kramankishore/

Job Summary

At Learngram, we are building an online teaching & learning platform with a large breadth to address live, non-live and collaborative parts of classroom interactions. We follow an extremely user focused product development approach to address the needs of teachers & students and bring them to a smooth classroom experience online, and in the process, elevate their effectiveness to a new level.

Learngram is a tech company in every sense with the tech product being the heart of the company with zero to minimal ops. Naturally, we are building a seemingly complex tech product with various moving parts having to seamlessly interact with each other at scale, and deliver the best experience to the users.

The Backend team at Learngram does the heavy lifting of architecting & continuously improving multiple backend services, their interactions, the database, live communication, file sharing, handling videos, lecture recordings, deployments, load testing, scaling & autoscaling, cost optimisation, long term strategies to re-architect the services, notifications, logging, caching and much more. The team ensures that the utility of a complex platform with all the intricacies is kept functional and intact at all times, with a small debug and response time in case of any issue & ensure a smooth and engaging experience for the users.

The Backend Developer role at Learngram requires you to be strong at backend architecture with a long term vision, excellent problem solving ability, a mindset to chase efficiency, writing extremely performant Apis & DB queries, logging & monitoring the whole system, very good at designing & implementing caching strategies for the services, experienced in handling production code bases, writing very maintainable & well architected code, comfortable using cloud servers and handling all releases and deployments, load testing, scaling & autoscaling applications with various strategies as they seem fit, using message queues to solve multiple problems and being comfortable with the interactions among different backend services.

This role at Learngram requires you to follow and innovate the product development process to ensure effective communication with various teams and efficient work environment. We also require you to be involved in creating healthy relationships within the team built on ownership, support & effective communication to keep the people-first culture of the company alive and enjoy creating with the team. A passion to be an early team member of a startup and build products ground up is crucial to keep the intensity and ownership culture within the team.

Responsibilities & Skills:

• Backend architecture
• Backend development (Node/Python + Express/Flask)
• Websockets and real time communication
• Handling file storage and rendering at scale
• DB design and optimised querying
• Building well architected and low latency Apis
• Deployment on Cloud (AWS)
• Message Queuing (Kafka)
• Caching (Redis)
• Load testing, Scaling & Autoscaling
• Notifications & Analytics
• Excellent problem solving ability
• Effective communication across dev, QA, design & product teams
• WebRTC knowledge is a plus

Minimum qualifications:

• Bachelor's degree in Engineering or a related field, or equivalent practical experience
• 1+ years of experience in Backend Development
• Good verbal/written communication skills
• Strong Interpersonal skills and the ability to work independently and collaboratively as part of a team and the familiarity of working with dev, QA, design and product teams

Preferred qualifications:

• Experienced in working on microservices architecture based code bases
• Experienced in handling production code & releases
• Experienced in load testing, scaling & autoscaling initiatives
• Ability to architect and build full-fledged complex features from scratch
• Strong attention to detail and excellent problem-solving skills
• Self-motivated, pro-active and strong sense of ownership

We're looking for Senior Node js backend developers with over 2+ years of experience and strong expertise in Javascript based development using Node js and Express. We are looking for cadidates who are go-getters and are leaning towards leadership positions. Candidates must have a proven history of building, scaling, optimising and securing Node js based backends and APIs using a microservice architecture.

Bonus Skill : Experience with ReactJs, Postgres

We would prefer candidates who can join immediately or are currently serving their notice period.

Key Skills Required

1. A passion for Javascript based solutions and an extremely strong understanding of JavaScript

2. Proficiency in Node js and Express based development

3. Stong experience in building scalable REST APIs

4. Experience in implenting API security using tokens, encryptions keys and other methods

5. A proved history of building scalable and secure web applications and APIs with Node js using a microservice architecture

6. Working experience with API Gateways

7. Experience with Docker

8. Experience in maintaining code via Git workflows

9. Ability to work independantly or as a part of a team

10. Ability to work in an Agile environment

Responsibilities

1. Understanding requirement and congributing to engineering solutions at a conceptual stage to provide the best possible solution to the task/challenge

2. Building high quality code using coding standards based on the SRS/Documentation

3. Building component based, maintainable, scalable and reusable backend libraries/modules.

4. Building & documenting scalable APIs on the Open Spec standard

5. Unit testing development modules and APIs

6. Conducting code reviews to ensure that the highest quality standard are maintained

7. Securing backend applications and APIs using industry best practices

8. Troubleshooting issues and fixing bugs raised by the QA team efficiently.

9. Optimizing code

10. Building and deploying the applications

• 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.

• Bachelor's degree in computer science, information science, or similar.
• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

• Well versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
• Hands-on knowledge of Spring Core, MVC, JPA, Security, transaction
• Working knowledge of REST API designing as well as development, using Spring.
• Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
• Savvy with SQL and database concepts.
• Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
• Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
• Should have worked in a CI/CD environment with TeamCity/Jenkins.

Responsibilities:

• Writes high quality code & unit tests, builds, tests as per agreed timelines
• Participates in technical design and provides estimation
• Owns one or more small to medium features
• Becomes a go-to person in at least one area
• Communicates clearly and gets clarification upfront to minimize rework. Knows when to ask for help to unblock.
• Consistently follows and promotes SDLC best practices: Coding standard, testing, code reviews, code comments etc.
• Exhibit strong problem solving skills, helps other developers and demonstrates teamwork

Requirements:

• Understands detailed requirements and demonstrates excellent problem solving skills
• Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
• Excellent programming skills in ROR, Golang, NodeJS, Python
• Strong communication skills
• Strong sense of ownership, drive and ability to deliver results
• 4+ years of experience in product driven organization
• A Bachelors or Masters degree in engineering from a reputed institute
• Experience in Golang, RoR, Unity, ML or Python will be an added advantage