Senior Software Engineer

Milestone Technologies, Inc.; Bengaluru; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Milestone Technologies, Inc. is hiring a Senior Full‑Stack – Support & QA Engineer in Bengaluru to ensure stability and quality of a B2B eCommerce ecosystem built on ContentStack, Vercel, and commercetools.

You will initially assist QA during active Dev/UAT cycles, triage defects, and RCA, then contribute to feature development, system enhancements, and architectural improvements aligned with business priorities.

Qualifications

• Bachelor’s degree in computer science or equivalent experience.
• 6–8 years of progressive software engineering with full-stack focus.
• Strong Agile delivery experience with sprint planning and estimations.
• Hands‑on expertise in Next.js, Commerce Tools, Content Stack, Algolia, Clerk, Resend, TypeScript, JavaScript, Node.js, HTML, and CSS; cloud familiarity essential.

Responsibilities

• Contribute as a senior full‑stack engineer across multiple applications with QA and production support focus.
• Collaborate with onshore and offshore teams to design, develop, test, and deploy features.
• Support B2B eCommerce platform (ContentStack, Vercel, commercetools) including QA during Dev/UAT cycles.
• Mentor teammates on architecture, coding standards, performance, and security.
• Ensure SDLC best practices, monitoring, and incident resolution for mission-critical systems.
• Participate in DevOps maturity initiatives and CI/CD improvements.

Skills

Full-stack development

Agile delivery

DevOps

Microservices

Security best practices

Remote collaboration

Code review

Mentorship

Performance tuning

Production support

Education

Bachelor's degree in Computer Science or equivalent

Tools

Next.js

Commerce Tools

Content Stack

Algolia

Clerk

Resend

TypeScript

JavaScript

Node.js

HTML

CSS

Vercel

commercetools

AWS/Azure/GCP

Datadog

CloudWatch

Job description

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

• Bachelor’s degree in computer science, Information Systems or equivalent experience.
• 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.
• Solid understanding in Agile delivery practices, including sprint execution, task estimation, and working effectively with product owners and technical leads.
• 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.
• Prior experience with ContentStack, Vercel, and commercetools, or other headless/composable commerce platforms is strongly preferred.
• Strong background in system architecture, DevOps, cloud‑native architecture, microservices, serverless and system integrations.
• 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.
• Excellent written, verbal, and interpersonal communication skills suited for remote collaboration across distributed teams.
• Ability to translate technical requirements into reliable implementation and support tasks, ensuring platform stability, maintainability, and performance.
• Working knowledge of security and compliance frameworks (SOC2, GDPR, CCPA, ADA, etc.) with the ability to implement secure coding and operational best practices.
• Ability to monitor, maintain, and improve production systems using observability tools (e.g., Datadog, Azure Monitor, CloudWatch).
• Comfortable working in scheduled or on‑call rotations to ensure production system reliability.
• Experience in application support, QA triage, debugging production issues, analyzing logs, identifying root causes, and delivering fixes with minimal supervision.
• 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, focused on initially QA assistance during active Dev/UAT cycles, including triage, defect analysis, RCA, release validation. After an initial ramp‑up period and ongoing support of QA activities during Dev/UAT cycles, the role will progressively contribute to feature development, system enhancements, and architectural improvements, aligned with business priorities and platform maturity.

In addition to contributing to the eCommerce platform, the Senior Full‑Stack Engineer also works on custom software solutions. Responsibilities include supporting feature development, integrations, system improvements, and ongoing operational needs across these systems as part of YCH’s broader technology landscape.

Job Duties

• Contribute as a senior full‑stack engineer across multiple applications, with an initial emphasis on QA assistance, production support, system stability, delivering high‑quality code and scalable technical solutions.
• Collaborate with onshore engineers and offshore QA/development teams to design, develop, test, and deploy new features and system enhancements.
• Support the B2B eCommerce platform (ContentStack, Vercel, commercetools), including QA support during Dev/UAT cycles, maintenance, feature development, bug fixes, and integrations with ERP, WMS, CRM, PIM, and third‑party systems.
• Work closely with business and technical stakeholders to clarify requirements and translate them into technical solutions.
• Provide technical input and mentorship regarding architecture fundamentals, coding standards, solution design, performance optimization, and security best practices.
• Participate in and improve the full software development lifecycle (SDLC): design, implementation, code review, testing, deployment, and ongoing support.
• Collaborate with offshore QA resources to ensure comprehensive test coverage, assist with triage, and support high‑quality releases.
• Ensure operational excellence through monitoring, logging, alerting, uptime management, release verification and incident investigation and resolution for mission‑critical systems.
• Participate in scheduled maintenance, upgrades, patching, and management of local, staging, and production environments.
• Contribute to DevOps maturity and continuous improvement using CI/CD pipelines, automation, and modern tooling.
• Support tracking and reporting of delivery metrics such as defect rates, release quality, system uptime and support ticket analysis.
• Help foster a collaborative, customer‑focused engineering culture that emphasizes ownership, quality, reliability and continuous improvement.
• Maintain sanitary and safe work environment and follow established safety requirements.
• May actively participate on the company’s Safety Committee.
• Ensure compliance with company safety policies as well as federal, state, and local safety and environmental regulations.
• Understand and follow company policies, SOPs, QPs, EPs, HACCP, and cGMP relevant to the department to ensure quality, safety, efficiency, and sustainability.
• Adhere to all company policies and departmental procedures.
• Review documents, materials, and products and monitor work processes to ensure completeness, accuracy, and conformance to standards and specifications.
• Follow all SOPs in assigned areas.
• Perform all other duties as assigned by the Manager and/or designee.

Compensation

Estimated Pay Range:

Exact compensation and offers of employment are dependent on circumstances of each case and will be determined based on job‑related knowledge, skills, experience, licenses or certifications, and location.

Our Commitment to Diversity & Inclusion

At Milestone we strive to create a workplace that reflects the communities we serve and work with, where we all feel empowered to bring our full, authentic selves to work. We know creating a diverse and inclusive culture that champions equity and belonging is not only the right thing to do for ouremployees butis also critical to our continued success.

Milestone Technologies provides equal employment opportunity for all applicants and employees. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, gender, gender identity, marital status, age, disability, veteran status, sexual orientation, national origin, or any other category protected by applicable federal and state law, or local ordinance. Milestone also makes reasonable accommodations for disabled applicants and employees.

We welcome the unique background, culture, experiences, knowledge, innovation, self‑expression and perspectives you can bring to our global community. Our recruitment team is looking forward to meeting you.