cover image
Twine

Freelance Software Engineer – E-Commerce

Remote

United kingdom

Freelance

15-12-2025

Share this job:

Skills

Communication Python Java Ruby PHP NoSQL GitHub Version Control Problem-solving Attention to detail Databases node.js Process Improvement E-commerce

Job Specifications

Join an ongoing e-commerce project focused on structured bug fixing, performance stabilization, and incremental system improvements. The product is live and actively evolving, requiring a technical collaborator who excels at diagnosing issues and enhancing real-world platforms. This role is ideal for someone seeking long-term involvement in maintaining and optimizing a production environment, rather than a one-off engagement. You will work with a private GitHub repository containing a well-organized issue list and roadmap, collaborating closely to ensure the platform remains robust, efficient, and scalable as it grows.

Responsibilities

Diagnose, prioritize, and resolve bugs in a live e-commerce environment
Optimize backend performance and ensure system stability under varying loads
Implement incremental improvements based on roadmap and user feedback
Collaborate using GitHub for issue tracking, code reviews, and version control
Maintain clear documentation of fixes, changes, and optimizations
Communicate technical findings and recommendations to stakeholders
Proactively identify areas for technical debt reduction and process improvement

Skills And Requirements

Proven experience in backend development for e-commerce or similar transactional platforms
Strong proficiency in server-side languages (e.g., Node.js, Python, PHP, Ruby, or Java)
Familiarity with relational and NoSQL databases, caching, and API integrations
Solid understanding of debugging, profiling, and performance optimization techniques
Experience with GitHub for code management and collaborative workflows
Ability to work independently and manage ongoing maintenance tasks
Excellent problem-solving skills and attention to detail
Strong communication skills for remote collaboration
Availability for ongoing, long-term engagement
Prior experience with live product environments is highly desirable

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

About the Company

Twine is home to a network of over 750k+ freelance experts and 50k+ clients across 195 countries. We connect talented people with flexible work and help businesses find the perfect expert for any project - big or small. For Businesses & Clients: Tired of endlessly searching for the right talent? We've got you covered. Twine makes it easy to find and hire freelance experts in tech, creative, AI and more. From software developers and graphic designers to animators and content creators. Our global network means you can hire the... Know more