Associate Staff Engineer (NodeJS)

Who You Are:

• You’ve built scalable, production-ready APIs in fast-paced environments, and are comfortable with the challenges that come with a growing startup.
• You understand event-driven architectures and have hands-on experience building real-time applications.
• You are fully capable of taking ownership of backend systems, from designing the database schema to writing efficient, maintainable code.
• You think beyond the code: optimizing performance, scalability, and security are as important as building new features.
• You’re comfortable troubleshooting complex issues, whether that’s API bottlenecks, database performance, or production issues.

Responsibilities:

• Design, implement, and manage a NestJS backend with a modular, scalable architecture that can easily handle real-time events and communication.
• Develop and maintain WebSocket services for real-time event-driven updates and ensure seamless communication across the system.
• Integrate RabbitMQ for reliable internal messaging, handling queues and ensuring event-driven workflows are efficient and fault-tolerant.
• Implement database management strategies using MongoDB, Redis, and Elasticsearch, ensuring efficient data handling, indexing, and optimization.
• Integrate with external APIs (JSON-RPC, XML-RPC, REST) to enhance system capabilities.
• Ensure high performance of the system by optimizing database queries, implementing caching strategies using Redis, and ensuring optimal indexing and data flow.
• Implement role-based authentication and authorization mechanisms using JWT, OAuth, and RBAC patterns within NestJS.
• Follow security best practices to ensure sensitive data is protected, credentials are stored securely, and the system is resilient to common vulnerabilities.
• Work collaboratively with cross-functional teams to ensure seamless integration between different services and technologies.

Must-Have Skills:

• Strong proficiency in Node.js and NestJS with TypeScript.
• Solid experience with MongoDB, Redis, and Elasticsearch for data storage and real-time data handling.
• In-depth knowledge of WebSockets and Socket.IO in NestJS Gateways, enabling real-time communication and updates.
• Experience with RabbitMQ for message queuing and asynchronous task handling.
• Strong understanding of authentication & authorization systems using JWT, OAuth, and RBAC (Role-Based Access Control).
• Expertise in optimizing APIs, including techniques for caching, improving database performance, and reducing latency.
• Familiar with API security best practices, including secure storage of credentials, encryption, and safeguarding sensitive data.

Key Skills:

• TypeScript, NestJS, WebSockets, Socket.io
• Redis, MongoDB, Elasticsearch, RabbitMQ
• API Optimization, JWT, OAuth, RBAC
• Real-time communication, Event-driven architecture

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.

• Design, coding, enhancements, and bug fixing in DNS and related areas.

• Bring up new ideas to improve the day-to-day challenges in the design/functionality.

• Should be able to provide technical direction to the ongoing and future projects in the team.

• Keep the product vulnerability free by uplifting/fixing the open issues.

• Build tools and infrastructure to improve these F5’s components and features. 

• Set an example of software design and development innovation and excellence. 

• Research, investigate and define new areas of technology to enhance existing or new products directions

• Evaluate performance of products to fine-tune, and refactor the design as per the requirements to scale up.

• Must have worked in security and related areas.

• Document software designs via functional specifications and other design documents

• Conduct presentations internal and external, mentoring the team members

• May participate in the hiring and onboarding process

• Collaborate with team members and technical leads

• Responsible for upholding F5’s Business Code of Ethics and for promptly reporting violations of the Code or other company policies.

Knowledge, Skills and Abilities: 

Essential 

• Deep understanding of data structures & algorithm. 

• Expert in C, C++ with hands-on experience

• Fair understanding of scripting languages Python and JavaScript

• Expertise in Linux user-level programming and exposure to Linux networking stack.

• Good understanding on TCP/IP concepts.

• Proven experience with security standards.

• Excellent analytical and problem-solving skills. 

• Good understanding of Network security and DNS modules

• Excellent Understanding of networking technologies and OS internals.

• Prior experience in leading and delivering project/programs involving multiple teams.

• Prior experience of leading and mentoring senior engineers to deliver critical projects.

Nice-to-have 

• Prior experience developing DNS and related modules is a Plus.

• Good understanding of network protocols like TCP, UDP, HTTP, SSL, DNS, FTP etc. 

• Experience with CI/CD (git, pipeline etc.). 

Qualifications

• Requires a minimum of 15+ years of related experience with a Bachelor of Engineering in ECE/Computers or similar years’ experience with ME/MTech in ECE/Computers.

• Excellent organizational agility and interpersonal skills throughout the organization.

• Ability to work flexible hours for better collaboration with international teams.

F5 Inc. is an equal opportunity employer and strongly supports diversity in the workplace. The Job Description is intended to be a general representation of the responsibilities and requirements of the job. However, the description may not be all-inclusive, and responsibilities and requirements are subject to change.

We are hiring!!

JOB TITLE: Back-end Developer

EXPERIENCE: 3 - 7 years

LOCATION: Mumbai (Borivali East)

TIMINGS: Indian Shift Timings

TYPE OF WORKING: Work from office

NOTICE PERIOD: 1 month

Responsibilities

• Participate in the entire application lifecycle, focusing on coding and debugging
• Must have a clear understanding of Database
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with Front-end developers to integrate user-facing elements with server-side logic
• Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use
• Liaise with developers, designers and system administrators to identify new features
• Follow emerging technologies

Requirements

• Proven work experience as a Back-end developer
• Experience in Node.js language
• Familiar with building REST API
• In-depth understanding of the entire web development process (design, development and deployment)
• Hands on experience with programming languages like Java, Ruby, PHP and Python
• Working knowledge of CMS framework
• Familiarity with front-end languages (e.g. HTML, JavaScript and CSS)
• Excellent analytical and time management skills
• Teamwork skills with a problem-solving attitude

Position: Associate Software Engineer

Profile : BE/MTech/BCA/MCA (2020 or 2021 Graduates with a minimum score of 50% or a CGPA Score of 6)

Location: Bangalore.

Must Have Skills:

• Knowledge of .NET Framework, ASP.NET and MVC 5
• Basic Knowledge of jQuery, JavaScript, Web Services & WCF
• Certification in Dotnet is a must and any other certification will be an added advantage.
• Good Verbal & Written Communication
• Passion for Technology & Innovation
• Good Problem Solving, logical and Analytical Skills
• A Great Team Player

Preferred Skills: 

We want to really emphasize Spring Boot (2+ years although 1+ if candidate particularly strong) Using Redis as a caching technology with Spring Boot would be a strong plus 

Using Redisson (a particular java client library that can be easily configured with Spring Boot) would be a strong plus 

Knowledge of event based messaging systems (Amazon SNS, Amazon MQ, or Kafka (in AWS) Data Cleaning tools and techniques in CSV and Excel 

Strong Knowledge of Spring Boot Dependency Injection and Configuration 

Experience with APIs for popular e-commerce platforms (Magento, Shopify, Big Commerce, etc.) 

SDLC (Software Development Lifecycle) Tools in the context of AWS. (Tools classified under DevOps) 

Experience with managing AWS EC2 VM instances and using AWS managed Services (like S3, MySQL, VPC/Networking, Lambda, etc) 

Performance Analysis Tools (Code Profiling) on Java VM and particularly Spring Boot 

Nice to Have: 

Experience with Cassandra or MongoDB with Spring Boot 

Horizontal Scaling with Spring Boot (considerations running multiple instances of Spring Boot instances) 

Experience with placing Spring Boot applications in Docker/Kubernetes container ecosystems (especially in AWS)