Job Title: Full Stack Developer

Company Name: GoSaif

Job Url: https://gosaif.breezy.hr/p/1129e478c35d-full-stack-developer

Job Description: Job OpeningsFull Stack Developer
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About GoSaif
GoSaif is a technology-driven security marketplace connecting vetted security professionals with clients across Nigeria. We're building a transparent, reliable platform that transforms how security services are delivered.

Our Tech Stack
Backend: Node.js (Express.js)
Database: MongoDB
Infrastructure: Bare metal server, Docker (staging)
CI/CD: Bitbucket Pipelines
Others: Firebase, Cloudinary, Postman
Mobile: React Native (Expo), Tanstack Query
Key Responsibilities
Design, develop, and maintain Node.js/Express.js backend services and RESTful APIs
Manage MongoDB database architecture (schema design, indexing, query optimization) and Redis caching
Handle bare metal server infrastructure (Docker, Nginx configuration)
Implement and maintain CI/CD pipelines using Bitbucket
Build and integrate payment processing, user authentication (Firebase), provider verification workflows, and booking systems
Support React Native mobile app backend needs and Expo deployment processes
Manage integrations with Firebase, Cloudinary, and third-party payment gateways
Respond to critical technical issues within 2 hours during business hours
Conduct code reviews, maintain documentation, and provide weekly progress reports to CEO
Collaborate with frontend developer and cross-functional teams on feature launches
Required Qualifications
Technical

3+ years production experience with Node.js and Express.js
Strong proficiency with MongoDB and Redis
Experience managing dedicated/bare metal Linux servers
Docker proficiency and CI/CD experience (Bitbucket Pipelines preferred)
RESTful API design and mobile backend experience
Linux server administration, Nginx/Apache configuration
Firebase services integration experience
Git version control and collaborative development workflows
Professional

Proven track record building scalable backend systems
Payment gateway integration experience (Paystack, etc.)
Strong problem-solving and communication skills
Self-motivated and comfortable with remote work
Adaptable to evolving startup needs
Preferred Qualifications
Experience in Nigerian tech ecosystem or fintech/marketplace platforms
React Native/Expo ecosystem familiarity
Automated testing frameworks (Jest, Mocha)
Google Play Console and App Store Connect experience
Early-stage startup infrastructure experience
Working Arrangements
Location: Remote (compatible time zones with Lagos, Nigeria)
Reporting: Weekly progress reports to CEO
What We Offer
Build critical infrastructure for a mission-driven company
Ownership over technical architecture decisions
Direct collaboration with founding team
Flexible remote environment
To Apply: Submit your resume, portfolio, and a brief note about your experience building Node.js backend systems for mobile applications.