Freelance Cms Security Jobs (NOW HIRING)

Heady is a digital product consultancy that provides full-service strategy, design, full-stack development, and growth marketing services for retail and lifestyle brands — and we do it all with heart.

Our team partners with Fortune 500 brands to deliver impactful technology and design solutions. We seek a Senior Technical Lead to oversee the backend infrastructure supporting a suite of high-visibility mobile applications for one of our biggest clients - a leading U.S. retailer.

As a Lead Engineer, you will provide end-to-end technical direction for backend services powering a multi-app mobile ecosystem. You’ll collaborate with both engineers, Product Managers, clients, and vendors. You will guide architectural decisions and ensure the secure, scalable, and maintainable delivery of mobile backend solutions.

• Define and document backend technical requirements for mobile features.

• Lead architectural decisions and implementation for Consumer-facing and Store associate-facing apps

• Ensure high-quality, performant, and maintainable code through technical oversight and hands-on development.

• Maintain and evolve technical documentation to reflect current systems and processes.

• Strategize and address backend security concerns, including real-time mitigation of malicious activity and compliance with data deletion protocols.
  

• Serve as a key technical liaison for client and vendor teams (e.g., website platform, payment providers).

• Provide responses to non-emergency technical issues during ET business hours (9am–3pm).

• Lead emergency support during designated off-hours (weekday evenings and weekends).

• Represent engineering in cross-functional calls.

• Provide project leadership and operational oversight for backend developers in collaboration with product managers.

• Set and enforce backend coding standards, review code, and maintain the CI/CD pipeline.

• Mentor engineers, foster a collaborative culture, and drive continuous improvement across the engineering team.
  

• Enforce secure coding and architectural best practices across backend systems.

• Oversee client-driven data deletion workflows and protect against vulnerabilities.

• Bachelor’s degree or equivalent experience in Computer Science with minimum  6 years in backend engineering roles, (incl. 2+ years in technical leadership.)

• Proven experience with mobile backend systems and API development.

• Deep knowledge of:

• AWS

• Nodejs

• Salesforce OCAPI/API

• Third-party integrations for mobile

• CMS-backed content systems

• Demonstrated experience with backend deployment processes and CI/CD management.

• Exceptional ability to analyze and resolve technical issues with scalable solutions.

• Strong client-facing communication and cross-functional team collaboration skills.

• Experience working in Agile product teams.

• Strong business proficiency in English and adept at delivering both confidence and humility in communication.

• Exposure to high-scale consumer-facing mobile apps.

• Familiarity with e-commerce security standards and architecture patterns.

• Availability across US Eastern Time business hours and emergency support windows.