Senior Software Engineer

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Company Overview

Milestone Technologies is a global IT managed services firm that partners with organizations to scale their technology, infrastructure and services to drive specific business outcomes such as digital transformation, innovation, and operational agility. Milestone is focused on building an employee-first, performance-based culture and for over 25 years, we have a demonstrated history of supporting category-defining enterprise clients that are growing ahead of the market. The company specializes in providing solutions across Application Services and Consulting, Digital Product Engineering, Digital Workplace Services, Private Cloud Services, AI/Automation, and ServiceNow. Milestone culture is built to provide a collaborative, inclusive environment that supports employees and empowers them to reach their full potential.

Our seasoned professionals deliver services based on Milestone’s best practices and service delivery framework. By leveraging our vast knowledge base to execute initiatives, we deliver both short-term and long-term value to our clients and apply continuous service improvement to deliver transformational benefits to IT. With Intelligent Automation, Milestone helps businesses further accelerate their IT transformation. The result is a sharper focus on business objectives and a dramatic improvement in employee productivity. Through our key technology partnerships and our people-first approach, Milestone continues to deliver industry-leading innovation to our clients. With more than 3,000 employees serving over 200 companies worldwide, we are following our mission of revolutionizing the way IT is deployed.

Job Overview

Job Qualifications:
1. Bachelor’s degree in computer science, Information Systems or equivalent experience.

1. 6-8 years of progressive software engineering experience, including significant experience in application support, QA collaboration, and production operations, with a strong focus on full-stack development and platform support.

2. Solid understanding in Agile delivery practices, including sprint execution, task estimation, and working effectively with product owners and technical leads.

3. Hands-on expertise in Next.js, Commerce Tools, Content Stack, Algolia, Clerk(Identity Management),Resend, TypeScript, JavaScript, Node.js, HTML, and CSS is required. Experience in C#/.NET, Git, and modern frameworks is strong plus. Familiarity with cloud-native development in AWS, Azure, or GCP is essential.

4. Prior experience with ContentStack, Vercel, and commercetools, or other headless/composable commerce platforms is strongly preferred.

5. Strong background in system architecture, DevOps, cloud-native architecture, microservices, serverless and system integrations.

6. Demonstrated ability to deliver high-quality engineering solutions, partner closely with QA teams, support existing systems, and collaborate with engineering leads, DevOps, and cross-functional teams.

7. Excellent written, verbal, and interpersonal communication skills suited for remote collaboration across distributed teams.

8. Ability to translate technical requirements into reliable implementation and support tasks, ensuring platform stability, maintainability, and performance.

9. Working knowledge of security and compliance frameworks (SOC2, GDPR, CCPA, ADA, etc.) with the ability to implement secure coding and operational best practices.

10. Ability to monitor, maintain, and improve production systems using observability tools (e.g., Datadog, Azure Monitor, CloudWatch).

11. Comfortable working in scheduled or on-call rotations to ensure production system reliability.

12. Experience in application support, QA triage, debugging production issues, analyzing logs, identifying root causes, and delivering fixes with minimal supervision.

13. Comfortable operating in a transitioning role, balancing QA assistance, support, and incremental development responsibilities.

Job Summary:
The Senior Full-Stack – Support & QA Engineer is responsible for ensuring the stability, quality, and reliability of YCH’s B2B eCommerce ecosystem, including the composable commerce stack built on ContentStack, Vercel, and commercetools, while contributing to the development, enhancement, maintenance, and support of these systems.

This role is highly hands-on, focus…