Senior Software Engineer - Full Stack Omni-Channel

Pet Food Express • Concord, CA

18h • $155,000 - $200,000 • Hybrid

About The Position

We are seeking a senior-level developer with solution architecture experience who thrives at the intersection of hands-on engineering and design. This role blends full-stack development and omnichannel architecture, shaping how our retail, eCommerce, loyalty, and supply chain platforms work together end-to-end. You won’t have direct reports—but you’ll be the go-to technical lead for a small team of 5–6 developers, setting best practices, reviewing code, and helping the team deliver reliable, scalable solutions that make an impact. Please Note: This position is a hybrid role, involving on-site work each week at our corporate headquarters in Concord, CA. Candidates who are fully remote or outside of reasonable commuting distance will not be considered.

About the Company Pet Food Express is a leading California-based pet specialty retailer with a passion for improving the lives of pets and their owners. Our philosophy revolves around the belief that pets are part of the family, deserving of the best care possible. Since our inception, Pet Food Express has been committed to making a positive impact on the communities we serve by promoting responsible pet ownership, supporting various animal welfare initiatives, and ensuring pets are happy, healthy and homed. With over 60 locations across the state, Pet Food Express has become a trusted destination for pet parents seeking high-quality products and personalized advice from knowledgeable and dedicated staff. This job summary is intended to describe the general nature and level of work associates/leaders assigned to this job perform. It is not intended to include all duties and responsibilities. Pet Food Express is an Equal Opportunity Employer and does not discriminate against employees or applicants based on race, sexual orientation, gender identity, or any other characteristics protected by applicable law. This applies to all Pet Food Express activities, including, but not limited to, recruitment, hiring, compensation, assignment, training, promotion, performance evaluation, discipline and discharge. Pet Food Express also provides reasonable accommodation of religion and disability in accordance with applicable law. We celebrate diversity and are committed to creating an inclusive environment for all employees. Pet Food Express is a place where everyone can learn and grow. However you identify and whatever your background, please apply if this is a role that would make you excited to come to work every day. For applicants in our San Francisco, or Los Angeles locations: Pursuant to the San Francisco Fair Chance Ordinance, as well as the Los Angeles Fair Chance Initiative for Hiring, we will consider for employment, qualified applicants with arrest and conviction records in a manner consistent with the law.

Requirements

• 5–7+ years of hands-on engineering experience, with 2–3 years of demonstrated solution architecture responsibility, designing and delivering solutions across multiple enterprise and omnichannel systems.
• Deep understanding of solution architecture and integration patterns, including API gateways, middleware, messaging systems, and event-driven architectures in distributed environments.
• Strong experience with C# and Python across backend, integration, and data-processing layers, including APIs, services, and cloud-native workloads.
• Experience designing or supporting omnichannel retail systems, including eCommerce, POS, loyalty, inventory, or supply chain platforms, and understanding how these systems interact end-to-end.
• Proven ability to document and map business data requirements to data models, ensuring BI solutions accurately reflect business processes.
• Hands-on expertise with Azure-native services, including Azure Fabric, Azure Functions, API Management, Application Gateway, and Azure DevOps, with an emphasis on cloud-native, scalable solution design.
• Experience with designing microservices, APIs (REST), and event-driven solutions.
• Strong understanding of solution architecture principles, system design, and integration best practices.
• Proven experience leading technically without direct authority, mentoring developers, influencing design decisions, and raising engineering standards across a team of 5–6 developers.
• Excellent collaboration and communication skills—you can work with both engineers and business stakeholders.
• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.

Nice To Haves

• Microsoft certifications (e.g., Azure Developer Associate, Solutions Architect Expert) are a plus.

Responsibilities

• Lead the design and delivery of end-to-end, omnichannel solutions spanning retail stores, eCommerce, loyalty, supply chain, and reporting platforms.
• Design and evolve integration and data flows across omnichannel systems, ensuring consistency, reliability, and traceability from customer interaction through fulfillment and reporting.
• Hands-on development across the full stack, including APIs, backend services, integrations, and data pipelines, using C#, Python, and other languages as needed, supporting omnichannel customer and operational workflows.
• Act as a technical lead and mentor, providing architectural guidance, conducting design and code reviews, and establishing standards for clean, scalable, and maintainable solutions.
• Partner with business leads, business analysts, and project managers to translate business and operational needs into well-structured solution architectures and implementation plans.
• Implement and manage CI/CD pipelines using Azure DevOps, ensuring solutions are testable, observable, and production-ready.
• Collaborate cross-functionally with business and IT teams to ensure solutions meet both functional and performance goals.
• Own and contribute to solution architecture design, including integration patterns, data flows, scalability, resiliency, and cloud-native best practices.
• Drive best practices around system architecture, integration, reliability, and cloud-native design.

Benefits

• Work with a talented, collaborative engineering team modernizing core systems with cutting-edge Azure tech.
• Grow with us: Opportunities toward Solution Architect or Engineering Manager pathways.
• Make a real impact: your designs and code directly power digital transformation initiatives.
• Generous in-store employee discount that extends to your family.
• Be Healthy: Health with FSA options, dental, and vision insurance – even pet insurance!
• Plan for the future: 401k with employer match.
• Get Rewarded: Employee referral bonuses.
• Rest and Relax: Competitive Paid Time Off.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior