Principal eCommerce Engineer (no C2C) #981834

Dexian; Addison (IL); On-site; USD 135,000 - 150,000; Full time

Job summary

A well-established firm in Addison, IL, seeks a Principal eCommerce Engineer to own the backend architectural design for scalable, cloud-native microservices. The ideal candidate will have over 15 years of experience, focusing on eCommerce applications and expertise in Node.js, TypeScript, and cloud technologies. This full-time role will transition into a permanent position after an initial phase. Competitive pay range from $135,000 to $150,000 per year.

Qualifications

• 15+ years of industry experience with a focus on scalable backend systems and cloud technologies.
• Strong experience in building and scaling backend systems for eCommerce and large-scale applications.
• Deep understanding of microservices architecture and event-driven design.

Responsibilities

• Define and maintain the architecture for cloud-native, scalable microservices.
• Design scalable backend services using modern technologies like Node.js and TypeScript.
• Lead disaster recovery and high-availability strategies for microservices.

Skills

Node.js

TypeScript

Python

Go

PostgreSQL

Microservices architecture

AWS Lambda

Kubernetes

OpenTelemetry

GraphQL

Docker

Tools

CI/CD pipelines

Terraform

Datadog

Prometheus

Job description

Principal eCommerce Engineer (no C2C) #981834

1 day ago Be among the first 25 applicants

This range is provided by Dexian. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$135,000.00/yr - $150,000.00/yr

Direct message the job poster from Dexian

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Permanent or contract to hire (We are serious about converting this role to a permanent position)

NO SUBCONTRACTORS OR THIRD-PARTY FIRMS, PLEASE.

W2 EMPLOYEES ONLY

We seek a lead or Principal-level backend engineer who has some experience in the eCommerce applications for a well-established firm in Addison, IL. This role will become a permanent position after a short initial contract phase. Only those seeking full-time/permanent employment should apply.

Skills

• 15+ years of industry experience, with a strong focus on scalable backend systems, cloud technologies, and microservices development.
• Extensive experience in building and scaling backend systems for eCommerce and large-scale distributed applications. Exposure to headless commerce, marketplaces (Mirakl), and API-driven commerce solutions.
• Expert knowledge of backend technologies and their trade-offs, including Node.js, TypeScript, Python, and Go. Familiarity with modern frameworks such as NextJS, Fastify, Express, and Hapi.js.
• Strong experience with databases and caching solutions, including PostgreSQL, MySQL, MongoDB, Redis, DynamoDB, and ElasticSearch.
• Deep understanding of microservices architecture, including event-driven design, API gateways, service mesh (Istio, Linkerd), and inter-service communication patterns.
• Advocate for high-quality engineering practices, with hands-on experience in unit, integration, and contract testing using tools like Jest, Mocha, Chai, Cypress, Pact, and Postman.
• Proficiency in cloud platforms and cloud-native methodologies, including serverless computing (AWS Lambda, Azure Functions), Kubernetes (K8s, K3s), and containerization.
• Hands‑on experience with CI/CD pipelines, infrastructures as code (Terraform, Pulumi), and deployment automation.
• Understanding of REST, GraphQL, and event-driven architectures using Kafka, NATS, RabbitMQ, and AWS EventBridge.
• Expertise in observability, distributed tracing, and APM tools like OpenTelemetry, Prometheus, Grafana, Datadog, New Relic, and Dynatrace.
• Strong understanding of authentication and authorization best practices, including OAuth2, OpenID Connect, JWT, API key management, and Zero Trust security models.
• Experience in performance optimization of backend services, database queries, caching strategies, and load balancing.
• Knowledge of diagramming and collaboration tools (e.g., Miro, Diagrams.net, FigJam, Mermaid.js).
• Strong communication and leadership skills, capable of mentoring engineers and collaborating across teams.

Responsibilities

• Own the backend architectural artifacts
  • Define and maintain the architecture for cloud-native, scalable and resilient microservices.
  • Ensure seamless interoperability across platforms and services, including commerce, CMS, ERP, PIM, and marketing systems.
  • Establish architectural best practices for modularization, API design and service‑to‑service communication (REST, GraphQL, gRPC, event‑driven architectures).
• Drive implementation‑level architecture
  • Design, secure, scalable and high‑performance backend services leveraging Node.js, TypeScript, and other modern backend technologies. Advocate for serverless, containerization (Docker, Kubernetes) and cloud‑native best practices.
  • Contribute to and maintain Architecture Decision Records (ADR) for microservices and cloud‑based systems.
• Own backend engineering policies, procedures and standards
  • Establish CI/CD best practices with automated testing, linting, and deployment strategies for microservices.
  • Drive adoption of API‑first, event‑driven architectures and domain‑driven design (DDD).
  • Define and enforce backend tooling standards (frameworks, ORMs, performance profiling, logging).
• Own platform & backend operational practices
  • Lead disaster recovery and high‑availability strategies for microservices.
  • Define logging, tracing, and observability best practices using tools like OpenTelemetry, Prometheus, and Grafana.
  • Drive automated testing strategies (unit, integration, contract, and end‑to‑end testing).
  • Define metrics and dashboards to track backend performance (SLAs, SLOs, SLIs, Golden Signals).
• Champion best‑in‑class backend strategies
  • Work cross‑functionally with frontend, DevOps, and data teams to optimize APIs, databases, and caching strategies.
  • Collaborate with other Principal Engineers to define and evangelize backend engineering best practices across the organization.
  • Mentor and provide technical guidance to backend engineers, fostering a culture of continuous learning and innovation.

Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.