Freelance Full Stack Developer

Lumawig is seeking a highly experienced Senior Full-Stack Developer to join our team on a project-based, independent contractor or freelance basis. This role is ideal for a senior-level engineer who enjoys working autonomously and delivering high-impact software solutions without the constraints of a traditional full-time employment setup. You will collaborate closely with Lumawig’s internal teams and clients to build innovative, scalable, and business-critical applications across a wide range of industries.

Key Responsibilities

Development & Implementation

• Actively participate in all phases of the software development lifecycle.
• Design, develop, and deploy scalable, high-performance applications using VueJS or ReactJS and Django.
• Integrate RESTful or GraphQL services to extend and enhance application functionality.

Quality Assurance & Optimization

• Debug, test, and optimize code to improve application performance, security, and reliability.
• Ensure all development follows industry best practices and coding standards.
• Conduct in-depth code reviews to maintain a high level of quality across projects.

Leadership & Collaboration

• Lead technical planning, system architecture, and implementation strategies for assigned projects.
• Define the technical direction of projects and break requirements into actionable tasks aligned with client needs.
• Facilitate sprint planning, retrospectives, and other internal project meetings.
• Select appropriate tools and technologies and ensure their effective use within the project.
• Act as the primary escalation point for technical and delivery challenges.
• Mentor junior developers, providing guidance, feedback, and technical leadership.
• Support performance management by helping team members set and achieve development goals.

Project Partner Engagement

• Work closely with project managers to clarify scope, timelines, and technical requirements.
• Engage directly with clients to ensure solutions align with their business objectives.
• Drive project success through strong ownership, leadership, and agile delivery practices.

Required Qualifications

• At least 5 years of experience in full-stack development, with a strong portfolio using VueJS or ReactJS and Django.
• Proven experience building and integrating RESTful and/or GraphQL APIs.
• Strong background in database design and management, including schema design that supports business processes.
• Excellent troubleshooting, debugging, and problem-solving skills.
• Solid understanding of platform differences (mobile vs. desktop) and how to optimize applications accordingly.
• Experience using AI-assisted development tools such as Claude or Codex for coding, debugging, code review, and development workflows, with a good understanding of prompt engineering and how to effectively use AI to improve development efficiency and code quality.
• Ability to adapt quickly to new technologies, tools, and programming languages.
• Strong communication and collaboration skills, with the ability to work effectively with cross-functional teams and clients.
• Comfortable working independently as a contractor or freelancer while maintaining accountability and delivery standards.

Nice to Have

• Architect-level experience or a strong background in software architecture, with the ability to define scalable system designs and make high-level technical decisions.
• Experience with PostgreSQL, WebSockets, Docker, and Python.
• Proficiency in Test-Driven Development (TDD) and microservice architectures.
• Experience scaling applications and managing complex, distributed software environments.
• Knowledge of AI technologies and hands-on experience working with large language models (LLMs).

Pay: Php50,000.00 - Php70,000.00 per month

Benefits:

• Work from home

Work Location: Remote