Backend Engineer - Node.js & Typescript

As a Senior Backend & Infrastructure Engineer, you will take ownership of backend systems and cloud infrastructure. You’ll work closely with our CTO and cross-functional teams (hardware, AI, frontend) to design scalable, fault- tolerant architectures and ensure reliable deployment pipelines.

1. What You’ll Do :

• Backend Development: Maintain and evolve our Node.js (TypeScript) and Python backend services with a focus on performance and scalability.
• Cloud Infrastructure: Manage our infrastructure on GCP and Firebase (Auth, Firestore, Storage, Functions, AppEngine, PubSub, Cloud Tasks). 
• Database Management: Handle Firestore and other NoSQL DBs. Lead database schema design and migration strategies.
• Pipelines & Automation: Build robust real-time and batch data pipelines. Automate CI/CD and testing for backend and frontend services.
• Monitoring & Uptime: Deploy tools for observability (logging, alerts, debugging). Ensure 99.9% uptime of critical services.
• Dev Environments: Set up and manage developer and staging environments across teams.
• Quality & Security: Drive code reviews, implement backend best practices, and enforce security standards.
• Collaboration: Partner with other engineers (AI, frontend, hardware) to integrate backend capabilities seamlessly into our global system.

Must-Haves :

• 5+ years of experience in backend development and cloud infrastructure.
• Strong expertise in Node.js (TypeScript) and/or Python.
• Advanced skills in NoSQL databases (Firestore, MongoDB, DynamoDB...).
• Deep understanding of cloud platforms, preferably GCP and Firebase.
• Hands-on experience with CI/CD, DevOps tools, and automation.
• Solid knowledge of distributed systems and performance tuning.
• Experience setting up and managing development & staging environments. 

• Proficiency in English and remote communication.

Good to have :

• Event-driven architecture experience (e.g., Pub/Sub, MQTT).
• Familiarity with observability tools (Prometheus, Grafana, Google Monitoring).
• Previous work on large-scale SaaS products.
• Knowledge of telecommunication protocols (MQTT, WebSockets, SNMP).
• Experience with edge computing on Nvidia Jetson devices.

What We Offer :

• Competitive salary for the Indian market (depending on experience).
• Remote-first culture with async-friendly communication.
• Autonomy and responsibility from day one.
• A modern stack and a fast-moving team working on cutting-edge AI and cloud infrastructure.
• A mission-driven company tackling real-world environmental challenges. 

Location : Remote

Experience: 2+ years

• 2+ years of strong programming skills in developing applications using Haskell (OR) any functional programming language
• Experience in Kubernetes
• Experience in writing well-documented, clean JavaScript code. TypeScript is a plus

Job description

• Engage with the business team and stakeholder at different levels to understand business needs, analyze, document, prioritize the requirements, and make recommendations on the solution and implementation.
• Delivering the product that meets business requirements, reliability, scalability, and performance goals
• Work with Agile scrum team and create the scrum team strategy roadmap/backlog, develop minimal viable product and Agile user stories that drive a highly effective and efficient project development and delivery scrum team.
• Work on Data mapping/transformation, solution design, process diagram, acceptance criteria, user acceptance testing and other project artifacts.
• Work effectively with the technical/development team and help them understand the specifications/requirements for technical development, testing and implementation.
• Ensure solutions promote simplicity, efficiency, and conform to enterprise and architecture standards and guidelines.
• Partner with the support organization to provide training, support and technical assistance to operation team and end users as necessary
• Product/Application Developer
• Designs and develops software applications based on user requirements in a variety of coding environments such as graphical user interface, database query languages, report writers, and specific development languages
• Consult on the use and implementation of software products and applications and specialize in the business development environment, including the selection of development tools and methodology

Primary / Mandatory skills:

• Overall Experience: Overall 4 to 6 years of IT development experience
• Design and Code NodeJS based Microservices, API Webservices, NoSql technologies (Cassandra/MongoDb)
• Expert in developing code for Node-JS based Microservice in TypeScript
• Good Experience in understanding the data Transmission through pug/sub mechanism like Event Hub and Kafka
• Good Understanding of Analytics and clickstream data capture is HUGE Plus
• Good understanding of frameworks like Java Spring Boot, Python is preferred
• Good understanding of Microsoft Azure principles and services is preferred
• Able to write Unit test cases
• Familiarity with performance testing tools such as Akamai SOASTA is preferred
• Good knowledge on Source Code control like GIT, code clout, etc and understanding of CI/CD(Jenkins and Kubernetes)
• Solid technical background with understanding and/or experience in software development and web technologies
• Strong analytical skills and the ability to convert consumer insights and performance data into high impact initiatives
• Experience working within scaled agile development team
• Excellent written and verbal communication skills with demonstrated ability to present complex technical information in a clear manner to peers, developers, and senior leaders
• The desire to be continually learning about emerging technologies/industry trends

At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.

F5 is looking for Software Engineer II with in-depth experience in high scale distributed systems. You will participate in the design and implementation of of our Edge Computing platform that is used to deploy global, scalable and secure applications. Your work includes, but not limited to, Research, design and build highly reliable, available and scalable platforms, API definition, implementation, deployment, operational management, and debugging.

Responsibilities:

• Deliver solutions that will help create, deploy and manage the service components of the platform
• Investigate various open source and close source technologies, components, libraries, tools etc. and help build a highly available, highly scalable and easily manageable system
• Take ownership of software components and   deliver   a   complete   product   satisfying   functional, scale, performance   and manageability requirements.
• Hands-on   coding   in   multiple   languages   while   considering   performance,  scalability, maintainability, and flexibility
• Understanding and exposure to design patterns and coding practices especially as applied to microservices architectures and API design, implementation and management
• Experience in Cloud native providers like MS Azure or AWS or Google Cloud or any major Cloud vendors in the market and their services
• Independently investigate, present options, review and implement completely new functionality
• You will work closely with other development teams, product management, UX, and QA to define and implement a new product offering while ensuring continued functionality.
• Perform code reviews, set coding practices and guidelines within the team
• Ability to implement all phases of a development cycle for a software product from understanding requirements, going through design, development and deploy phases
• Work with geographically distributed teams

Minimum Qualifications:

• Knowledge and experience in highly distributed software systems, ability to understand the nuances and solve problems related to scale, performance and resiliency of such a system
• Experience in programming languages: Golang, Java, Python any objected oriented high level proprietary or open source language with strong programming constructs.
• Good understanding of programming fundamentals & their application to highly scalable web-based systems
• Experience in developing polyglot software using service definition language and framework like gRPC, Thrift, Google Protocol Buffers, OpenAPI etc.
• Must have hands on SQL or No SQL technologies.
• Experience working on CICD methodology and Git based workflow
• Experience in Docker technologies including experience in optimizing Docker image and managing Docker image lifecycle. Experience in orchestration systems like Kubernetes and container technologies like Docker, rkt is a plus
• Excellent written and verbal communication skills
• Strong interpersonal, team building, and mentoring skills
• BS/MS degree in Computer Science or equivalent with 3+ years of software development experience

Have an experience building backend server side applications in Node.js and Express.js

Have in-depth knowledge and experience of using ES6+ features and Object Oriented Principles

Have sound knowledge and are familiar with databases like MongoDb - (Preferred) and Mysql.

Have good exposure to cloud native technologies (AWS Lambda, S3, RDS, etc) 

Have working knowledge of version control (Git) and continuous deployment 

Have experience in optimising backend API’s and database queries for optimal performance.

You are good at problem solving and have analytical skills 

You are flexible in adapting new technologies and frameworks as per the projects needs

Responsibilities:

• Setup and integrate various APIs
• Dealing with scripts written in different languages (PHP, Node.js, Python, PhantomJS, Ruby)
• Must be an R & D specialist
• Keep up-to-date with advanced concepts
• Adaptable to learn new technologies
• Knowledge on Linux and its commands
• Fast in debugging the code
• Should be a quick learner
• Good at communication

Requirements

• Minimum 3 Years of experience in PHP7
• 1 Year experience in Node.js/Python
• Good work experience in PHP7 
• Strong knowledge in OOPS.
• Proven knowledge on REST and SOAP API integrations 
• Experience in composer installations
• Strong in Javascript and Node.js concepts.
• Good knowledge of MongoDB and MySql
• Knowledge of versioning tools (SVN/GIT)
• Having knowledge on Amazon AWS and Google Cloud Platform is an added advantage
• Having knowledge of elastic search is an added advantage
• Good to have knowledge on p threads

Skills Required for Back-End (NodeJS) JR Developer (2-4 Yrs) /Sr Developer (4-8 Yrs) /Lead Developer (8-10 Yrs) /Architect (10-12 Yrs):

• Must: Strong experience and understanding of NodeJS and JavaScript Programming, Good at Native Cloud or AWS
• Good knowledge of MongoDB or any other NoSQL Database, Redis, Elasticsearch, etc.
• Good understanding of scalable computing systems, software architecture, data structures, and algorithms.
• Experience working with AWS or other cloud providers
• Experience in service-oriented and/or microservice architectures
• Good to have knowledge with stream processing applications, Event-driven Architecture, Identity management (OAuth) - Not Mandatory
• Good knowledge of Redis, its data types, and their use cases along with a server-side framework
• Experience developing and deploying REST APIs.
• Good to have an understanding of low-level Kafka inner workings and partitioning schemes - Not Mandatory

Responsibilities:

• Design, build, review and evolve durable, highly scalable event-driven infrastructure
• Architect and lead the development of backend services.
• Work with REST APIs and integrating them with our software platform
• Develop front end capabilities such as dashboards, visualizations, features
• Work on building best performance UI features and linking with backend
• Integrate all the front end features with a backend pipeline 
• Integrate our AI models with the platform pipeline 
• Work on bug fixing and improving application performance 
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Own new initiatives, Debug production issues
• Help define the way we work in the future including coding and design standards
• Work effectively in an agile development process
• Research cutting edge technology that can be applied to accelerate business growth
• Be the communication bridge be product owners and development teams

Job Description

• Architect highly scalable, highly available systems with minimal guidance.
• Developing p2p infrastructure systems to support blockchain interoperability
• Establishing policies and procedures that produce secure, high-quality software
• Write and review technical proposals
• Improve engineering standards, tooling, and processes
• Coding with concurrency, efficiency and scalability as primary motive
• Document systems, build runbooks, and automate those processes
• Being hands on by writing, testing, and deploying high-performance networking code
• Rigor on clean code, unit testing, code coverage and best practices
• Supporting and Leading the team of junior developers

Required qualifications

3+ years of experience in Golang, Strong knowledge of Go programming language, paradigms, constructs, and idioms, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.

Tech Stack

Go, git, linux, bash, ability to work with Docker.

Nice to have

Experience developing in c++, cryptography and system software development experience, understanding of design patterns, understanding of operating systems and networks.

Node.js and frameworks available for it - Express, StrongLoop, etc
Understanding the nature of asynchronous programming and its quirks and workarounds
Integration of user-facing elements developed by front-end developers

front-end technologies - HTML5, and CSS3
Writing scalable, reusable, testable, and efficient code