Full Stack Developer

About Us:

Kaizen is the leading recruitment partner in the MENA region, placing high-caliber professionals in prominent, lucrative roles across the Middle Eastand GCC.

About the client: 

Our client is a government-owned entity in Saudi Arabia focused on enhancing cybersecurity across critical industrial infrastructure. They are responsible for implementing governance, risk management, and compliance measures aligned with global cybersecurity standards. The organization works closely with various internal stakeholders to ensure regulatory compliance, operational resilience, and the protection of essential control systems across multiple sites.

Job Summary

We are looking for an experienced and passionate Full Stack Developer to join our engineering team. The ideal candidate should have strong expertise in modern JavaScript technologies, including React.js, Next.js, React Native, Node.js, and PostgreSQL. The candidate will be responsible for designing, developing, and maintaining scalable web and mobile applications, collaborating with cross-functional teams, and delivering high-quality software solutions. Experience with AI technologies and Large Language Models (LLMs) is an added advantage.

Key Responsibilities

· Design, develop, test, and maintain scalable web and mobile applications.

· Build responsive web applications using React.js and Next.js.

· Develop cross-platform mobile applications using React Native.

· Design and develop RESTful APIs and backend services using Node.js.

· Design and optimize PostgreSQL databases.

· Write clean, maintainable, reusable, and well-documented code.

· Integrate third-party APIs, payment gateways, authentication, and cloud services.

· Collaborate with UI/UX designers, QA engineers, and product managers.

· Troubleshoot production issues and optimize application performance.

· Participate in code reviews and mentor junior developers.

· Ensure application security and follow secure coding best practices.

· Contribute to architecture discussions and technical design.

Required Skills

· Frontend

· Strong experience with React.js.

· Experience with Next.js (SSR, SSG, ISR).

· JavaScript (ES6+) and TypeScript.

· HTML5, CSS3, Tailwind CSS, Bootstrap, Material UI.

· Redux, Context API, Zustand, or similar state management.

· Responsive and mobile-first development.

· Mobile

· React Native.

· Android and iOS application development.

· Native module integration.

· Push Notifications.

· App Store and Google Play deployment.

· Backend

· Node.js.

· Express.js or NestJS.

· REST APIs.

· JWT Authentication.

· OAuth.

· API Security.

· Microservices architecture (preferred).

· Database

· PostgreSQL.

· Query optimization.

· Indexing.

· Database normalization.

· Stored procedures (preferred).

· DevOps & Tools Git.

· GitHub/GitLab.

· Docker.

· CI/CD pipelines.

· Linux.

· Nginx.

· PM2.

· AWS, Azure, or DigitalOcean (preferred).

· AI Skills (Optional but Preferred)

· Experience integrating AI APIs (OpenAI, Anthropic, Google Gemini, Azure OpenAI, etc.).

· Knowledge of Large Language Models (LLMs).

· Prompt Engineering.

· AI chatbot development.

· Retrieval-Augmented Generation (RAG).

· Vector Databases.

· AI Agent frameworks.

· LangChain or similar frameworks (preferred).

· Experience building AI-powered applications.

Qualifications

· Bachelor’s degree in Computer Science, Information Technology, or related field.

·4–6 years of experience in Full Stack Development.

· Strong understanding of software engineering principles.

· Experience working in Agile/Scrum environments.

Preferred Qualifications

· Experience with cloud platforms (AWS, Azure, GCP).

· Experience with containerization (Docker, Kubernetes).

· Knowledge of Redis, RabbitMQ, or Kafka.

· Experience with GraphQL.

· Experience with automated testing (Jest, Cypress, Playwright).

· Experience with monitoring tools such as Grafana or Prometheus.

Soft Skills

· Strong analytical and problem-solving skills.

· Excellent communication skills.

· Ability to work independently and in a team.

· Strong ownership and accountability.

· Ability to mentor junior developers.

· Adaptability to new technologies.

Experience

· Minimum: 4 years

· Preferred: 4 - 6 years

Nice to Have

· Experience with eCommerce applications.

· Payment gateway integrations.

· Firebase.

· Push notifications.

· Geolocation and Maps integration.

· Real-time applications using WebSockets or Socket.IO.

· AI-powered product development experience.