Principal Engineer - OMS

Making a career change is a big decision. Why consider Aptos? Become a part of a team that is passionate about creating and delivering cutting-edge solutions for retailers worldwide. At our company, we’re dedicated to supporting your career aspirations and helping you exceed your goals. You’ll benefit from industry-leading training, global development opportunities, and the chance to collaborate within a diverse culture across our offices in nine countries. Our inclusive culture reflects our purpose: to make a difference for every colleague, every client, every day. As a leading provider of Unified Commerce solutions for retail, our technology empowers top retail brands by optimizing product management, promotions, merchandising, and store operations. With the global shift toward our cloud-native, microservices architecture, opportunities for career growth have never been more exciting. Today, more than 100,000 retail stores in fashion, grocery, footwear, general merchandise, discount, and sporting goods rely on our solutions to generate nearly $2 trillion in annual revenue. We hope you’ll join us in driving innovation and delivering impactful solutions as we continue leading the Unified Commerce revolution. Technical Leadership & Design  • Serve as the technical bridge between the Architecture team and the OMS development  team, translating high-level architectural blueprints into detailed, actionable technical  designs  • Own low-level technical design for critical OMS components, ensuring alignment with  enterprise architecture standards, AWS Well-Architected Framework (WAF), and industry  best practices  • Design and architect code repositories, branching strategies, CI/CD pipelines, and  development workflows that promote maintainability, scalability, and developer  productivity  • Define and enforce coding standards, design patterns, and development guidelines across  the OMS codebase  Hands-On Development & Code Excellence  • Responsible for leading and enabling AI adoption throughout the complete OMS software  engineering lifecycle to accelerate delivery, enhance quality, and improve engineering  efficiency.  • Write high-quality, production-grade code and actively participate in development sprints  alongside the team  • Conduct rigorous code reviews, providing constructive feedback and mentoring developers  on best practices  • Lead by example in areas such as test-driven development (TDD), refactoring, performance  optimization, and security hardening  • Troubleshoot complex technical issues and provide expert-level problem resolution  Quality, Maintainability & Supportability  • Champion engineering excellence by ensuring all code is maintainable, testable, observable,  and supportable in production  • Establish and drive adoption of automated testing strategies (unit, integration, end-to-end)  and quality gates  • Design for operational excellence—implement logging, monitoring, alerting, and  observability frameworks that enable proactive issue detection and rapid incident resolution  • Drive technical debt reduction initiatives and refactoring efforts to improve system health  Collaboration & Influence  • Work closely with the Development Manager, Technical Leads, and developers without  direct reporting authority—success depends on influence, collaboration, and trust  • Partner with Product Managers, Architects, and cross-functional teams to ensure technical  solutions align with business objectives  • Mentor and upskill developers through mentoring, technical workshops, and knowledge sharing sessions  • Foster a culture of continuous learning, innovation, and technical excellence within the  team  Here's What You'll Bring  Must-Have Qualifications  • 15+ years of hands-on software development experience in enterprise-scale applications,  with deep expertise in modern programming languages (Java, C#, Python, or similar)  • Proven experience in cloud-native development on AWS, Azure, or GCP, with strong  understanding of cloud architecture patterns, microservices, and containerization (Docker,  Kubernetes)  • Expert-level knowledge of software design principles, including SOLID, design patterns,  domain-driven design (DDD), and clean architecture  • Strong experience with DevOps practices, including CI/CD pipelines, infrastructure as code  (Terraform, CloudFormation), and automated testing frameworks  • Demonstrated ability to influence and lead without authority—you've successfully driven  technical initiatives in collaborative, cross-functional environments  • Excellent problem-solving and debugging skills, with the ability to diagnose and resolve  complex production issues  Preferred Qualifications  • Experience with Order Management Systems, ERP, or retail/e-commerce platforms  • Familiarity with AWS Well-Architected Framework and cloud security best practices  • Background in performance engineering, scalability optimization, and system reliability  • Experience with event-driven architectures, messaging systems (Kafka, RabbitMQ), and  distributed systems  • Contributions to open-source projects or active participation in technical communities  • Proficient in .NET Core, ASP.NET Core, and C# with hands‑on experience in building scalable  REST APIs, implementing microservices, and using Entity Framework Core for data access.  We offer a competitive total rewards package including a base salary determined based on the role, experience, skill set, and location. For those in eligible roles, discretionary incentive compensation may be awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility.                                                                              We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. By submitting an application for this job, you acknowledge that any personal data or personally identifiable information that you provide to us will be processed in accordance with our Candidate Privacy Notice. Submit your resume today! Learn about Aptos' Global Culture