Lead SWE - Retail Systems

Apex Systems; San Ramon (CA); On-site; USD 110,000 - 117,000; Full time

Benefits offered by this job

Health insurance

401K

Employee Stock Purchase Program (ESPP)

Life insurance

Dental and vision

Job summary

Apex Systems seeks a Lead SWE to design, build, and deliver core Retail Store systems including POS and omni-channel fulfillment. This role is hands-on and technical, owning architecture and delivery across store-facing apps and integrations with Shopify, ERP, and loyalty platforms.

You will mentor engineers, drive CI/CD and incident response, and ensure reliability for domestic and international store operations, using Java, Python, NodeJS, React, Kafka, and AWS.

Qualifications

• 7+ years of software engineering experience with leadership in design and delivery for complex systems.
• Strong Retail domain experience in store operations and omnichannel commerce.
• Proficiency in Java, Python, and NodeJS; backend services using Spring.

Responsibilities

• Lead the technical design and implementation of store systems including POS and OMNI fulfillment.
• Hands-on technical lead coding in Java, Python, NodeJS, and React across backend/frontend.
• Collaborate with Product, Retail Ops, ERP, and partners to deliver scalable solutions.
• Design and operate event-driven architectures using Kafka with reliability and consistency.

Skills

Java

Python

NodeJS

React

Kafka

Docker

Kubernetes

AWS

Spring

SQL/NoSQL

Tools

Spring

Docker

Kubernetes

Kafka

Splunk

New Relic

Terraform

AWS

SAM

Job description

# Lead SWE - Retail SystemsApply**Job#: 3045347****Job Description:**Overview* We’re seeking an experienced Lead Engineer to design, build, and deliver core Retail Store systems that power retail client in-store and omnichannel experiences.* This role will be hands-on and technical, owning the design and delivery of store-facing applications including POS, OMNI order fulfillment by stores, and inventory receiving.* International store expansion will be a key responsibility, alongside ongoing enhancements and reliability of domestic and global store systems.* Work closely with Product, Retail Operations, ERP, and external partners to deliver scalable, reliable, and pragmatic solutions for real-world store environments.* Requires deep technical expertise, strong system design skills, and ownership mindset for store-critical platforms.**Responsibilities*** Lead the technical design and implementation of store systems including POS, OMNI fulfillment (ship-from-store, BOPIS, cancellations, returns), and inventory receiving.* Act as a hands-on technical lead, setting architecture, coding standards, and best practices across the team.* Translate business and operational requirements into scalable, resilient, and maintainable technical solutions.* Contribute directly to development using Java, Python, NodeJS, and React across backend and frontend systems.* Design and build integrations with Shopify, ERP, OMS, loyalty platforms, and third-party vendors.* Support international store expansion by deep diving into localization, regional compliance, taxation, and operational requirements for new countries.* Ensure systems work effectively in physical retail environments, including POS hardware, peripherals, and unreliable network conditions.* Collaborate closely with store managers and store teams to understand operational pain points and deliver pragmatic, easy-to-adopt solutions.* Partner with Retail Operations and Product on rollout planning, training support, and adoption of new store-facing features.* Design and operate event-driven and distributed systems using Kafka, ensuring idempotency, retries, and eventual consistency.* Own service reliability for store systems by defining SLOs, improving error rates, and reducing MTTR.* Build and maintain monitoring, alerting, and observability using tools such as Splunk and New Relic.* Participate in on-call rotations, incident response, root-cause analysis, and post-incident improvements.* Plan and execute for peak retail events (promotions, holidays, store launches) and support change discipline during critical windows.* Drive best practices for testing, CI/CD, release management, and infrastructure-as-code.* Ensure data accuracy, auditability, and reconciliation across inventory, order, and financial systems.* Maintain strong security, access controls, and compliance standards for systems used in physically accessible store environments.* Mentor junior engineers through technical guidance, code reviews, and design discussions.**Qualifications*** 7+ years of software engineering experience, with experience leading technical design and delivery for complex systems.* Strong domain experience in Retail systems, store operations, and omnichannel commerce.* Experience delivering store-facing systems such as POS, inventory receiving, and order fulfillment.* Proficiency in Java, Python, and NodeJS; experience building backend services using Spring.* Experience with frontend development using React.* Hands-on experience integrating with Shopify and other retail platforms.* Strong experience with relational and NoSQL databases including Oracle DB, MySQL, and DynamoDB.* Experience designing and operating event-driven architectures using Kafka.* Strong understanding of distributed systems concepts including retries, idempotency, eventual consistency, and transactional patterns.* Experience with monitoring, logging, and alerting using tools such as Splunk and New Relic.* Experience owning production reliability, incident response, and operational metrics.* Proficiency with build and configuration tools such as Maven, Ant, and YAML.* Experience with source control and collaboration using GitHub.* Hands-on experience with containerization and orchestration using Docker and Kubernetes.* Experience deploying and operating systems in AWS, including SAM and Terraform.* Understanding of payment processing, settlement, taxation, and country-specific compliance considerations.* Experience with omnichannel retail workflows including store fulfillment, ship-from-store, BOPIS, split shipments, cancellations, and returns.* Strong ownership mindset with accountability for technical quality and business outcomes.* Data-driven problem solver with pragmatic engineering judgment.* Excellent cross-functional collaboration and communication skills.* Comfortable operating in fast-paced, imperfect retail environments where store impact is critical. *Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.**Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy**Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.**Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.**If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [e-mail] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.**UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.***Employee Type:** Contract**Location:** San Ramon, CA, US**Job Type:****Date Posted:** August 6, 2026**Pay Range:** $80 - $85 per hour