
Fullstack Developer - Electron Application (Contract)
Project Overview
Join an exciting early-stage project developing "Fenrir Security" - an innovative autonomous security testing platform. We're building an Electron-based desktop application that leverages AI to automate security testing processes. This is a contract position with potential for long-term engagement as the product evolves.
Contract Details
- Duration: Initial 4-month contract with possibility of extension
- Work Arrangement: Remote with regular online collaboration
- Compensation: Competitive rates based on experience (₹80,000-₹1,50,000 monthly)
- Hours: Flexible, approximately 40 hours weekly
Role & Responsibilities
- Design and develop a cross-platform Electron application from scratch
- Implement both frontend UI components and backend functionality
- Create integration points for the autonomous testing engine
- Build secure communication protocols between application components
- Develop data visualization components for security testing results
- Implement application packaging and distribution mechanisms
- Work collaboratively with AI/ML specialist and security expert
- Deliver working application builds at regular milestones
- Participate in technical planning and architecture decisions
Skills & Experience
- 3+ years experience building production applications
- Strong proficiency with Electron framework development
- Expertise in JavaScript/TypeScript, HTML/CSS, and Node.js
- Experience with modern frontend frameworks (React preferred)
- Working knowledge of desktop application development challenges
- Familiarity with security tools and applications (preferred)
- Ability to work independently with minimal supervision
- Strong problem-solving abilities and communication skills
Why Join Us
- Work with cutting-edge technologies at the intersection of AI and cybersecurity
- Flexible working arrangements and competitive compensation
- Opportunity to shape a product from its foundation
- Potential for equity or profit-sharing in future funding rounds
- Build portfolio-worthy work in an innovative security product
Selection Process
- Initial screening call
- Technical assessment (paid task)
- Final interview with founder

About Fenrir Security Private Limited
About
Company social profiles
Similar jobs
Full Stack Developer (Node.js & React)
Location: Pune, India (Local or Ready to Relocate)
Employment Type: 6–8 Month Contract (Potential Conversion to FTE Based on Performance)
About the Role
We are seeking a highly skilled Full Stack Developer with expertise in Node.js and React to join our dynamic team in Pune. This role involves designing, developing, and deploying scalable web applications. You will collaborate with cross-functional teams to deliver high-impact solutions while adhering to best practices in coding, testing, and security.
Key Responsibilities
- Develop and maintain server-side applications using Node.js (Express/NestJS) and client-side interfaces with React.js (Redux/Hooks).
- Architect RESTful APIs and integrate with databases (SQL/NoSQL) and third-party services.
- Implement responsive UI/UX designs with modern front-end libraries (e.g., Material-UI, Tailwind CSS).
- Write unit/integration tests (Jest, Mocha, React Testing Library) and ensure code quality via CI/CD pipelines.
- Collaborate with product managers, designers, and QA engineers in an Agile environment.
- Troubleshoot performance bottlenecks and optimize applications for scalability.
- Document technical specifications and deployment processes.
Required Skills & Qualifications
- Experience: 3+ years in full-stack development with Node.js and React.
- Backend Proficiency:
- Strong knowledge of Node.js, Express, or NestJS.
- Experience with databases (PostgreSQL, MongoDB, Redis).
- API design (REST/GraphQL) and authentication (JWT/OAuth).
- Frontend Proficiency:
- Expertise in React.js (Functional Components, Hooks, Context API).
- State management (Redux, Zustand) and modern CSS frameworks.
- DevOps & Tools:
- Git, Docker, AWS/Azure, and CI/CD tools (Jenkins/GitHub Actions).
- Testing frameworks (Jest, Cypress, Mocha).
- Soft Skills:
- Problem-solving mindset and ability to work in a fast-paced environment.
- Excellent communication and collaboration skills.
- Location: Based in Pune or willing to relocate immediately.
Preferred Qualifications
- Experience with TypeScript, Next.js, or serverless architectures.
- Knowledge of microservices, message brokers (Kafka/RabbitMQ), or container orchestration (Kubernetes).
- Familiarity with Agile/Scrum methodologies.
- Contributions to open-source projects or a strong GitHub portfolio.
What We Offer
- Competitive Contract Compensation with timely payouts.
- Potential for FTE Conversion: Performance-based path to a full-time role.
- Hybrid Work Model: Flexible in-office (Pune) and remote options.
- Learning Opportunities: Access to cutting-edge tools and mentorship.
- Collaborative Environment: Work with industry experts on innovative projects.
Apply Now!
Ready to make an impact? Send your resume and GitHub/Portfolio links with the subject line:
"Full Stack Developer (Node/React) - Pune".
Local candidates or those relocating to Pune will be prioritized. Applications without portfolios will not be considered.
Equal Opportunity Employer
We celebrate diversity and are committed to creating an inclusive environment for all employees.

Job Title: Founding Engineer / Senior Full Stack Developer (Electron + AI Platform)
Location: Mumbai
Type: Full-time
Compensation: ₹17–20 LPA + 0.4% Equity (ESOP Pool)
Role Overview
We’re hiring a Founding Engineer / Senior Full Stack Developer to help us build an advanced desktop application designed for secure, intelligent, and autonomous workflows. You’ll be one of the first engineering hires and play a critical role in owning the entire product engineering stack—from interface to system orchestration.
This is a high-ownership role for someone who thrives in early-stage environments, enjoys building performance-focused desktop systems, and wants to work at the cutting edge of AI-enabled automation.
What You’ll Work On
- Architect and build a high-performance Electron-based desktop application
- Develop intelligent frontend workflows using React 18, TailwindCSS, and TypeScript
- Build scalable backend services in Node.js 20 with support for secure tool orchestration
- Integrate with external systems like CLI tools, terminal processes, file systems, and MCP-like interfaces
- Build efficient local storage, memory, and prompt-pipeline management systems
- Work on token and session lifecycle, agent command execution, and sandboxed operations
- Ship cross-platform (Windows & macOS) builds using Electron and Vite pipelines
Tech Stack
You should already be comfortable with most of the following:
- Frontend: React 18, Tailwind CSS, TypeScript, Vite
- Backend: Node.js 20, Express.js, CLI process spawning, OS-level scripting
- Desktop: Electron 25, IPC communication, Electron Forge/Builder, native packaging
- AI/Agent Integration: REST APIs to LLMs (Claude, GPT, etc.), prompt engineering, token/tokenizer management
- System-Level: File system manipulation, workspace persistence, multi-threaded job handling
- Tool Control & Integration: Interfacing with command-line tools (MCP-like integrations), automated I/O
- Other: GitHub Actions, secure storage, error logging, telemetry pipelines
What We’re Looking For
- 4+ years of full stack development experience with real-world Electron app delivery
- Strong proficiency in JavaScript/TypeScript (ES6+), including bundling and module systems
- Production-level experience with React and managing state in large apps
- Deep understanding of backend architecture, async task management, and secure file handling
- Ability to work independently in a fast-paced early-stage environment
- Comfortable with cross-platform builds (Windows & macOS)
- Bonus: Experience with embedded AI assistants, autonomous agent frameworks, or toolchain orchestration
What We Offer
- Competitive salary: ₹17–20 LPA
- 0.4% equity via ESOP pool (with early joining incentives)
- High autonomy and strategic influence—work as a true co-creator
- Remote-friendly and async collaboration culture
- Opportunity to build a developer-first product from scratch with real AI depth
Roles and Responsibilities
1. Ability to work on diverse backend stack such as Node JS, Express JS
2. Ability to work on diverse frontend stack such as Meteor JS, React JS, HTML5, CSS3
3. Ability to deliver quick POC’s using cutting edge technologies.
4. Preparing reports, manuals and other documentation on the status, operation and maintenance of software.
5. Design, develop, and unit test applications in accordance with established standards
6. Developing, refining, and tuning integrations between applications. Analyzing and resolving technical and application problems.
7. Ability to debug the application.
8. Should have complete knowledge of developing RESTful Services.
9. Should be able to also work in agile development methodology.
10. Work with designated JavaScript framework to design, develop, and debug web applications
11. Work with the team to manage, optimize, and customize multiple web applications
12. Manage end to end module lifecycle management of the product
13. Push and pull codes via Git repository
Competency Requirements
- Experience in NodeJS and development using MeteroJS
- Experience in front end frameworks - Meteor JS
- Experience in client/server application development
- Knowledge of agile development methodologies
- Knowledge of unit testing theory
- Knowledge of AWS cloud
- Knowledge of other frontend frameworks like ReactJS, AngularJS will be an advantage
Responsibilities
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Test software to ensure responsiveness and efficiency
- Troubleshoot, debug and upgrade software
- Create security and data protection settings
- Build features and applications with a mobile responsive design
- Write technical documentation
- Work with data scientists and analysts to improve software
Requirements
- Proven experience as a Full Stack Developer or similar role
- Experience developing desktop and mobile applications
- Familiarity with common stacks
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
- Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
- Excellent communication and teamwork skills
- Great attention to detail
- Organizational skills
- An analytical mind
- Degree in Computer Science, Statistics or relevant field
They are solving the problem of advertisers and marketing agencies trying to reach out to rural villagers to increase market penetration of their products. The current method of posters, wall advertisements and billboards are static and doesn’t allow for targeted messaging. The team intend to roll out a network of low-cost interactive screens to these rural villagers.
We are looking for a Full Stack developer to develop the Frontend and backend for the advertisers portal. This is a new age platform connecting advertisers with villages through the smart advertisement boards.
- Full Stack developer (Java/JavaScript): (experience 3 to 6 years)
- Experience in designing multithreaded/concurrent/distributed systems.
- Experience in Java/Kotlin or JavaScript is required (3+ years).
- Experience in working on scalable non-blocking server side frameworks like Spring stack(2+ years)
- Experience with both SQL and NoSQL databases, Message brokers. ex: Postgres/MySQL, MongoDB/DynamoDB/Redis/Neo4j, Kafka (2 +years)
- Experience in Front end language and frameworks. JavaScript, must be an expert in one of the front end frameworks (ex: React) (2+)
- Understand cloud technologies and should have deployed applications or products in popular cloud platforms like AWS, GCP, MS Azure, etc (2+ years).
Optional:
- Experience with BigData is a big plus
- Knowledge of functional programming principles is a plus.
- Experience in HTML5 and CSS3
- Building reusable code and libraries for future use
- Building efficient, testable, and reusable Node JS modules
- End-to-end ownership of modules including designing, development, validation, deployment
- Creating microservices from scratch and ensuring that micro services are used wherever it makes sense.
What you need to have:
- Proficient in MERN Stack (MongoDB, Express, React,Node)
- Minimum 2 years of experience in full stack development- MERN Stack
- Experience in creating microservices from scratch
- Familiarity with One OOPS language
- Familiarity with multithreading- Workers / child processes & performance tuning
- Experience with SQL / NoSQL databases and their declarative query languages (MySQL and Mongo dB)
- Strong knowledge of the common NODE JS or web server exploits and their solutions
- Knowledge in GraphQL is a plus
Tax Block(https://taxblock.in/" target="_blank">https://taxblock.in/) is well funded, operationally profitable, tying up with new business houses and SMEs, rapidly growing, and ready to go all in.
We are looking to build multiple products to excel in different financial markets- Investment Management, Trading, Lending, Insurance, Payment/Wallets and many more.
REQUIREMENTS:
We need go-getters. Someone with a sound knowledge and understanding of Indian investment and capital market, in nutshell - how money works.
We're looking for a Full-stack developer(Node/Redux/React/
You should be a pro at MEAN or MERN stack. Someone with very strong Javascript skills
- Strong Coding Skills
- Good command over Data Structure, Algorithms
- Full stack experience preferably with NodeJS, Angular/React, Java/.Net/Python, MongoDB, MySQL, Microservices
RESPONSIBILITIES
• Design and develop highly scalable and reliable systems end-to-end
• Experience and track record in following platforms - Python, Node.JS, Angular/React
• Knowledge on Ionic and React-Native would be an added advantage for Android-iOS app development
• Working experience on building FinTech products will be great.
• Architecting the backend and infrastructure for scale
• Deploying and managing production servers and services in AWS/Azure/GCP
. Experience with big data solutions and Data science would be added advantage
Key Deliverables:-
- Develop very high sense of ownership, the zeal to build scalable applications
- Build customer facing technology product for global customers
- Develop a deep understanding of the start-up ecosystem
- Work with a performance oriented team driven by ownership and open to experiments
- Design and develop end to end applications with very high quality
> You need to have:
- An analytical mind with strong logical & reasoning ability
- Very good communication skills (verbal and written).
- Good application development skills.
- Strong debugging skills.
- Should have excellent coding/Programming skills
- A quick learning ability
Start your Journey with us for a high growth, flying career!
> We at Deqode
- Have flexible 5 working days
- Work on bleeding edge technologies (Blockchain/ AI/ Deep learning/ RL/ Quantum computing).
- Have desirable Perks.
- Have the best Financial Pay scale in the industry.
- Practice Democracy of thoughts.
- Believe in working hard and party harder.
Join us and be a part of a team that breathes technology.
Technology Stack - Mean stack/Mern Stack, Full stack, React.js, React Native, Nodejs, ROR, Angular, Python, Blockchain, AI/ ML.
> We are looking for candidates who have a thirst for gaining knowledge, are passionate about coding :) Kindly revert back with your updated CV.








