Cutshort logo
Syphoon logo
JS Reverse Engineer
JS Reverse Engineer
Syphoon's logo

JS Reverse Engineer

Sami Mirza's profile picture
Posted by Sami Mirza
4 - 8 yrs
₹10L - ₹20L / yr
Remote only
Skills
disassembling
Reverse engineering
Network engineering
skill iconJavascript
skill iconC
Assembly
Akamai
TCP/IP

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.


Read more
Users love Cutshort
Read about what our users have to say about finding their next opportunity on Cutshort.
Shubham Vishwakarma's profile image

Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
Companies hiring on Cutshort
companies logos

About Syphoon

Founded :
2019
Type :
Products & Services
Size :
0-20
Stage :
Profitable

About

N/A

Company social profiles

linkedinfacebook

Similar jobs

httpspixeltechnologyin
Remote, Indore
4 - 5 yrs
₹7L - ₹12L / yr
skill iconNodeJS (Node.js)
skill iconExpress
skill iconJavascript
TypeScript

Minimum 4 years of experience in Backend

Maintain scalable and efficient backend systems and APIs using Node.js and Express.js

Implement authentication and authorization mechanisms. 

Troubleshoot and resolve performance bottlenecks and other backend-related issues. 

Required Skills:-

Solid understanding of RESTful APIs. 

Strong knowledge of JavaScript (ES6+), with a deep understanding of asynchronous programming and callbacks. 

Experience with version control systems (e.g., Git). 

Familiarity with authentication and authorization strategies (OAuth, JWT). 

Read more
It Company
It Company
Agency job
via Kalibre global konnects by Bhumin Patel
Ahmedabad
2 - 5 yrs
₹3L - ₹7L / yr
skill iconLaravel
skill iconPHP
Wordpress
Linux/Unix
skill iconHTML/CSS
+2 more
Job Description:-
• Job Title:- PHP Developers
• Exp.:- 2-4 years
• Job Type: Full-time
• Office 10 to 7:30pm

Skills:-
• Strong experience with PHP / WordPress / Laravel. Laravel is a must.
• Strong experience with JavaScript / JQuery
• Experience with HTML / CSS
• Experience with MySQL with profiling and query optimization and Linux understanding is a must.
• In depth knowledge of object-oriented PHP and Laravel 5 PHP Framework
• Strong skills in PHP based framework
• Developers with deep knowledge and experience of building WordPress CMS websites, plugins, theme development & customization.
• Experience with MVC, Entity Framework, Webform, Web API, and business layer and front-end technologies Understanding of front-end technologies such as HTML5, CSS3
• Knowledge in AngularJS, NodeJS, MongoDB preferred.
• Solve complex performance problems and architectural challenges.
• Keep abreast of new trends and best practices in web development.
Read more
Tech logistics solution provider
Tech logistics solution provider
Agency job
via The Hub by Sridevi Viswanathan
Remote, Bengaluru (Bangalore)
3 - 9 yrs
₹14L - ₹20L / yr
skill iconNodeJS (Node.js)
Algorithms
skill iconPython
skill iconJavascript

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

 

Read more
Capricorn Identity Services Pvt Ltd
Astha Mohta
Posted by Astha Mohta
Delhi
0 - 5 yrs
₹2.4L - ₹6L / yr
skill icon.NET
ASP.NET
skill iconC#
skill iconJavascript
SQL server
+3 more
Key skills-
  • Understanding of SDLC & OOPs concepts.

  • Must have experience with ASP.NET with C#

  • Good knowledge of SQL server / POSTGreSQL database

  • Basic Knowledge of javascript, JQuery, CSS, HTML5, Bootstrap

  • Ability to design Web architecture.

  • Ability to bug fixing in existing projects.

  • Knowledge of functions, procedure, triggers.

  • Ability to write optimized sql query.

  • Good knowledge of developing Desktop Application

  • Knowledge of WCF, Web Services and file management.

  • Knowledge of digital signature is preferred.

 

Roles And responsibilities-
  • Should be able to work in a team environment.

  • Strong in Software Development and Problem Solving Skills.

  • Design, Develop and Unit Test software independently.

  • Also should be able to understand the existing applications and should be in position to reengineer the codes to latest .Net technologies.

  • Freshers: Should have B.Tech background and should have strong in problem solving skills.

 



Read more
F5 Networks
Hyderabad
15 - 20 yrs
Best in industry
DNS
skill iconC
skill iconC++
skill iconPython
skill iconJavascript
+8 more

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.

Read more
QuadOne Technologies
at QuadOne Technologies
1 recruiter
Sneha Das Barman
Posted by Sneha Das Barman
Remote, Hyderabad
0 - 8 yrs
₹2.4L - ₹16L / yr
skill icon.NET
ASP.NET
skill iconC#
skill iconjQuery
skill iconJavascript
+1 more

Job Requirements-

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

Read more
Remote, Pune
5 - 8 yrs
₹8L - ₹15L / yr
skill iconC#
skill iconHTML/CSS
skill iconC++
skill icon.NET
Game Design
+3 more
Dear Candidate, We have excellent job opportunity for C# Developer Early Joiners Would be Preferred Job Description: Job Description: We are looking for a dynamic Senior software engineer with strong technical and communication skills to work on Web application development in C# .NET technologies. This position is for our product development engagement with Carbonite. Carbonite provides data protection solutions for businesses. More than 1.5 million customers around the world depend on Carbonite to protect their data and systems from hardware failure, natural disasters and cyberthreats like ransomware and malicious hackers. You would develop, enhance and maintain the Web portal of the Evault product line of Carbonite. You will be involved in technical mentorship, design of new functionality, refactoring and architectural improvements in the product. You must have: You must have 5 to 8 years experience in web application development using the C# .NET framework. Be a very hands on developer Strong Object Oriented Programming fundamentals Skilled in using MVC and LINQ, Entity Framework Building and consuming REST/Web API Experienced in using Javascript/jQuery, HTML5/CSS and frameworks like Bootstrap Good experience with Windows platforms and knowledge of relational databases (such as MS SQL) Experienced in virtualization (VMware, Hyper-V) Strong communication skills Active, demonstrable curiosity about the newest technologies and practices You are an excellent communicator You take pride in your work You believe in building a great customer experience You believe in ownership and accountability Please share your profile across [email protected] with below mandatory details with below important details Total Exp: Rel Exp( C#): Current CTC: Expected CTC Notice Period : Interested in Baner ( Pune ) as work location, : Availability for F2F if shortlisted : About us: Niyuj is a product engineering company that engages with the customer at different levels in the product development lifecycle in order to build quality products, on budget and on time. Founded in 2007 by passionate technology leader, Stable and seasoned leadership with hands-on experience working or consulting companies from bootstrapped start-ups to large multinationals. Global experience in US, Australia & India, Worked with fortune 500 companies to prominent startups, clients include Symantec, Vmware, Carbonite, Edgewater networks Domain Areas we work for : CLOUD SERVICES - Enterprises are rushing to incorporate cloud computing, big data, and mobile into their IT infrastructures. BIG-DATA ANALYTICS - Revolutionizing the way Fortune 1000 companies harness billions of data and turn it into a competitive advantage. NETWORK AND SECURITY - Network and security-related system level work that meets customer demands and deliver real value Our Prime customer, Carbonite, is Americas #1 cloud backup and Storage Company, with over 1.5 million customers and headquartered in Boston MA, with offices in 15 locations across the world. Your potential for exponential growth: Your experience and expertise would be a great addition to our team, and you will have an opportunity to work closely with industry leaders, literally sitting across the table and jointly building the future with folks who are noted gurus and industry veterans from prestigious institutions like IIT's and top US universities with industry experience in fortune 500 companies like EMC, Symantec and VERITAS.
Read more
WTF - Digital Waiter™
Remote only
1 - 3 yrs
₹6L - ₹9L / yr
skill iconNodeJS (Node.js)
skill iconJavascript
WebSocket
skill iconMongoDB
Apache Kafka
Requirements:

• 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
Read more
TheWorkshore Technologies Pvt Ltd
Devyani A
Posted by Devyani A
Ahmedabad
2 - 6 yrs
₹4L - ₹7L / yr
Shopify
skill iconjQuery
skill iconJavascript
Wordpress
Magento
+1 more
Shopify E-Commerce development expert (Liquid) having experience with large scale e-commerce stores development.
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.
Should have a good understanding of Product, Discount, Order APIs, and customization using the APIs
The developer must be able to do Shopify cart development, Shopify plugin development, integration of third-party apps and other related tasks,
Responsibilities and Duties

A must for the Shopify developer to have the skills to solve all minor-to-major problems arising during development.
Important to have proven communication skills, ability to understand requirements, independently handle Shopify projects
Read more
Surya Software Systems
at Surya Software Systems
1 recruiter
Raksha Sharma
Posted by Raksha Sharma
Bengaluru (Bangalore)
2 - 5 yrs
₹5L - ₹10L / yr
skill iconC++
skill iconC#
skill icon.NET
Relational Database (RDBMS)
MySQL
+2 more
SURYA AT A GLANCE Surya creates software products and provides implementation services for financial risk management of banks and financial services industry. We provide web-based, shared facility treasury management products for corporates. Founded in 1999, Surya’s client base is spread across four continents. We help more than 65 banks, hedge funds and corporations around the world make better business decisions by mitigating risk, enhancing profitability and complying with regulatory requirements. We are headquartered in Bangalore, India. We also have offices in New York and France. JOB DESCRIPTION - Senior Software Engineer Surya is an engineering-led, and driven organization. The technology team in Surya is led by world-class engineers and you will be mentored by them. As a Senior Software Engineer in Surya, you will be working closely with other great developers, leaders, and our management team at every stage of delivery. Required Skills -Excellent grasp of the following (must have shipped production code with these) -C# -ASP.NET -Relational databases (preferably Microsoft SQL Server) Bonus Skills -Familiarity with Web API, Portable Libraries, and best practices - Familiarity with JavaScript Critical Competencies for Success ● Ability to think logically, and analytically ● Excellent communication skills, both written and verbal ● Ability to work collaboratively on a team ● Resourceful and proactive in gathering information and sharing ideas Education and Training Required The candidate must hold a bachelor’s / post graduate in Software Engineering or Software Development along with relevant experience. Experience – 2-5 years. Evaluation process The evaluation process starts with a phone screen. After that, the candidate will be required to come to our office and take both a technical and writing test. This will be followed by 2-3 interviews.
Read more
Why apply to jobs via Cutshort
people_solving_puzzle
Personalized job matches
Stop wasting time. Get matched with jobs that meet your skills, aspirations and preferences.
people_verifying_people
Verified hiring teams
See actual hiring teams, find common social connections or connect with them directly. No 3rd party agencies here.
ai_chip
Move faster with AI
We use AI to get you faster responses, recommendations and unmatched user experience.
21,01,133
Matches delivered
37,12,187
Network size
15,000
Companies hiring
Did not find a job you were looking for?
icon
Search for relevant jobs from 10000+ companies such as Google, Amazon & Uber actively hiring on Cutshort.
companies logo
companies logo
companies logo
companies logo
companies logo
Get to hear about interesting companies hiring right now
Company logo
Company logo
Company logo
Company logo
Company logo
Linkedin iconFollow Cutshort
Users love Cutshort
Read about what our users have to say about finding their next opportunity on Cutshort.
Shubham Vishwakarma's profile image

Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
Companies hiring on Cutshort
companies logos