

Job Overview:
We are seeking an experienced JavaScript Reverse Engineer with deep expertise in reverse engineering obfuscated JavaScript code and bypassing modern web security techniques. This role requires a strong background in both JavaScript and Python, as well as advanced knowledge of browser automation and fingerprinting bypass techniques.
Key Responsibilities:
- Reverse engineer and deobfuscate JavaScript code and APIs for web scraping.
- Bypass popular anti-bot solutions such as Akamai, Datadome, Incapsula, Cloudflare and PerimeterX.
- Work with fingerprinting bypass methods, including TLS and Canvas fingerprinting.
- Reverse engineer and bypass JS Virtual Machine Protection (VMP) techniques.
- Implement custom Captcha solving solutions, utilising frameworks such as YOLO v8 or EfficientNet.
- Employ advanced browser automation techniques to optimise performance while bypassing web fingerprinting methods.
- Work with network engineering principles and have an in-depth understanding of the TCP/IP stack.
- Utilise MITM (Man-in-the-Middle) techniques to inspect and analyse Android app network traffic for scraping purposes.
- Leverage Python for scripting, automation, and integration with reverse engineering tasks.
Required Skills and Qualifications:
- 5+ years of experience with JavaScript and Web Scraping.
- Proven expertise in reverse engineering obfuscated JavaScript code and APIs.
- Strong knowledge of bypassing anti-fingerprinting techniques, including TLS and Canvas fingerprinting.
- Prior experience in overcoming anti bot solutions like Akamai, Datadome, Incapsula, and PerimeterX.
- Adequate understanding of JavaScript Virtual Machine Protection (JS VMP).
- Experience with custom Captcha solving solutions such as YOLO v8 or EfficientNet.
- Expertise in browser automation for efficient bypass of fingerprinting.
- Solid foundation in network engineering, with deep knowledge of the TCP/IP stack.
- Experience in using MITM techniques to inspect network traffic, especially for Android apps.
- Proficiency with containerisation and orchestration tools like Docker and Kubernetes.
Preferred Qualifications
- Experience working with security research and web vulnerability assessments.
- Familiarity with web scraping ethical guidelines and best practices.
- Strong collaboration skills and ability to work in an agile team.

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Solid understanding of RESTful APIs.
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• Strong experience with PHP / WordPress / Laravel. Laravel is a must.
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About Our Client
It is a last-mile tech-logistics solution provider for intra-state deliveries based in Bangalore. It offers reliable, affordable, and professional services, structured to serve enterprises.
Our Client aggregates light commercial vehicles for urban logistics and has onboarded 55,000+ truckers on its platform across 14 cities. Our Client works across industry sectors like organized retail, FMCG and e-commerce, distribution and 3PL companies. Some of its clients include Amazon, Flipkart, Bisleri, Vishal Mega Mart, Future Supply Chain, Coca-Cola, Delhivery, and Udaan.
The company offers customized logistics solutions for clients, along with other value-added services such as screened drivers, audited and GPS-enabled vehicles, point-to-point billing, status updates, 24x7 service, and greater efficiency, all at transparent and economical pricing.
Our Client, as a brand, is known as one of the market leaders in the enterprise segment, and first movers to identify and empathize with the underserved urban trucker community, playing a huge role in making them a part of the mainstream economy. This series-B funded tech-logistics company aims to disrupt the primitive $35bn+ urban-logistics industry by leveraging technology and help enterprises to reach consumers faster.
Our Client is India's largest enterprise urban-logistics provider in India, with 55,000+ Light Commercial Vehicles on its platform.
Why Our Client?
1) Young Startup growing and well funded.
What will I do?
- Designing user flows and converting them into logical entities in the code.
- Integration of user-facing elements developed by front-end developers with server-side logic.
- Designing Database schemas.
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of data storage solutions
What skills should I have?
- 3+ years of experience in Backend Development.
- Language: NodeJs
- Additional knowledge of Python will be a plus
- Understanding of microservices architecture.
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Management of hosting environment, including database administration and scaling an application to support load changes
- Data migration, transformation, and scripting
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git


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Understanding of SDLC & OOPs concepts.
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Must have experience with ASP.NET with C#
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Good knowledge of SQL server / POSTGreSQL database
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Basic Knowledge of javascript, JQuery, CSS, HTML5, Bootstrap
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Ability to design Web architecture.
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Ability to bug fixing in existing projects.
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Knowledge of functions, procedure, triggers.
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Ability to write optimized sql query.
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Good knowledge of developing Desktop Application
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Knowledge of WCF, Web Services and file management.
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Knowledge of digital signature is preferred.
Roles And responsibilities-
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Should be able to work in a team environment.
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Strong in Software Development and Problem Solving Skills.
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Design, Develop and Unit Test software independently.
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Also should be able to understand the existing applications and should be in position to reengineer the codes to latest .Net technologies.
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Freshers: Should have B.Tech background and should have strong in problem solving skills.



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.
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Design, coding, enhancements, and bug fixing in DNS and related areas.
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Bring up new ideas to improve the day-to-day challenges in the design/functionality.
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Should be able to provide technical direction to the ongoing and future projects in the team.
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Keep the product vulnerability free by uplifting/fixing the open issues.
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Build tools and infrastructure to improve these F5’s components and features.
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Set an example of software design and development innovation and excellence.
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Research, investigate and define new areas of technology to enhance existing or new products directions
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Evaluate performance of products to fine-tune, and refactor the design as per the requirements to scale up.
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Must have worked in security and related areas.
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Document software designs via functional specifications and other design documents
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Conduct presentations internal and external, mentoring the team members
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May participate in the hiring and onboarding process
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Collaborate with team members and technical leads
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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
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Deep understanding of data structures & algorithm.
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Expert in C, C++ with hands-on experience
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Fair understanding of scripting languages Python and JavaScript
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Expertise in Linux user-level programming and exposure to Linux networking stack.
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Good understanding on TCP/IP concepts.
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Proven experience with security standards.
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Excellent analytical and problem-solving skills.
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Good understanding of Network security and DNS modules
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Excellent Understanding of networking technologies and OS internals.
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Prior experience in leading and delivering project/programs involving multiple teams.
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Prior experience of leading and mentoring senior engineers to deliver critical projects.
Nice-to-have
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Prior experience developing DNS and related modules is a Plus.
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Good understanding of network protocols like TCP, UDP, HTTP, SSL, DNS, FTP etc.
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Experience with CI/CD (git, pipeline etc.).
Qualifications
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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.
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Excellent organizational agility and interpersonal skills throughout the organization.
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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.



Job Requirements-
Strong in programming fundamentals in C#, jQuery, JavaScript and Sql Server.
-Experience in Developing Web-Based App, SDLC & software engineering, Unit Testing.



• Strong Nodejs experience with knowledge and understanding of ES6/7/8.
• Experience with DevOps.
• Understanding multi-threading concepts.
• Experience with NoSQL Databases.
• Proficiency with code versioning tools, such as Git, Github, Bitbucket.
• Experience working with common project management tools and Agile
development workflow
• Ingenuity, creativity, drive and determination are a must
Responsibilities:
- Should be able to write web services for the app.
- Manage projects from conceptualization, all the way through deployments by collaborating with everyone.
- Take initiatives to optimize.
- Keep up with the latest trends and tools and keep updating.
Our Tech Stack:
- On the backend, we use Node JS
- For the frontend, we use React
Skills
Mandatory:
Nodejs, Mongo DB, Express js, AWS Experience, Experience with mail, and phone authentication.
Must have exp in kafka and integrating with other data sources

Should have sound knowledge on Shopify Custom Designing & Development.
Who has worked with Shopify Scripts and loves diving into Liquid to build custom enhanced functionalities
Expertise in HTML, CSS, jQuery, Wordpress or other frontend technologies
Generate a custom-tailored Shopify theme and altering the pre-existing template.
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