Senior Full-Stack Developer

Job Title: Senior Full-Stack Developer
Location: Remote
Type: Freelance / Contract-Based
Hours: Part-time / Full-time

About the Company

Horizon Labs started with a dream to build the modern version of Thomas Edison's Lab for the new AI world, where ideas can be rapidly tested under one roof and scaled for growth. We look for problems in the world that have AI solutions guided by the belief that AI is not just a tool but a paradigm shift, democratizing technology and providing startups with unprecedented opportunities for growth and success.

Our unique model involves incubating the idea, assembling the team, launching the startup, and supporting growth throughout the lifecycle. We aim to cultivate enduring relationships within our network and team of entrepreneurs, fostering a community of like-minded individuals who share our passion for pushing the boundaries of what's possible.

Job Description

We're seeking a skilled Senior Full-stack Engineer to design, develop, and maintain high-quality software solutions. This role involves technical leadership, mentoring junior engineers, and upholding best practices in a collaborative, fully remote environment. If you're passionate about building robust, scalable, and innovative software, apply now.

Tech Stack:

• Frontend: React.js (with TypeScript), Tailwind CSS, Framer Motion
• State Management: Redux, Zustand
• Backend: Python, Django/FastAPI, SQLAlchemy
• Infrastructure: Azure

What You'll Do

• Design, develop, test, deploy, and maintain scalable software solutions.
• Lead complex technical projects from conception to completion.
• Collaborate with product and design teams to translate requirements into features.
• Conduct code reviews and ensure adherence to coding standards.
• Mentor junior engineers and foster their growth.
• Resolve complex technical issues and performance bottlenecks.
• Improve development processes, tools, and methodologies.
• Stay updated with emerging technologies and contribute to technical vision.

Who We're Looking For

• Bachelor's in Computer Science, Software Engineering, or related field (Master's a plus).
• 5+ years professional experience in software development, focusing on scalable applications.
• Proficient in Python (FastAPI, SQLAlchemy) and JavaScript/TypeScript, React, Next.js, Tailwind CSS, with experience in Vite, Framer Motion, and MS SQL Server.
• Extensive experience with Agile/Scrum.
• Strong understanding of data structures, algorithms, distributed systems, and design patterns.
• Strong knowledge of OWASP Top 10 and common attack vectors.
• Experience with cloud platforms (AWS, Azure, Google Cloud) and containerization (Docker, Kubernetes).
• Proven ability to lead projects, make architectural decisions, and solve complex problems.
• Drive a "security-first" mindset, integrating and maintaining Snyk, Dependabot within CI/CD pipelines, analyzing findings, and mentoring on secure coding.
• Drive innovation by experimenting with and operationalizing AI models, optimizing performance.
• Excellent problem-solving, analytical, debugging, communication, and collaboration skills.
• You are based in: Malaysia, Philippines, Indonesia, or Myanmar

Nice to Have

• Experience with relevant tech stack frameworks/technologies.
• Contributions to open-source or strong GitHub profile.
• Experience with CI/CD and DevOps.
• Knowledge of SQL database design/optimization.
• Technical certifications (e.g., Azure Administrator/Architect).
• Experience in a fast-paced startup.

Why Join Us?

You'll gain hands-on experience contributing to real production systems while helping improve and scale a meaningful AI product.