Principal Software Engineer, Backend

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October 3

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Optimal Ways

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eCommerce • Digital Analytics • Training

Optimal Ways is an agency specializing in digital analytics and optimization for eCommerce. Based in Paris and Lille, the company focuses on enhancing the quality of data, analyzing customer journeys, and optimizing conversion rates on eCommerce sites and applications. With a team of experts in digital analytics, they provide strategic support and training to eCommerce teams, helping them maximize their performance and leverage data effectively. Optimal Ways is committed to sustainable eCommerce and is recognized for its responsible business practices through B Corp certification.

2 - 10 employees

Founded 2011

🛍️ eCommerce

📋 Description

• Platform Architecture & Evolution: Design, implement, and scale core infrastructure to ensure reliability, performance, and security. • Developer Experience (DevEx): Build and improve tooling, CI/CD pipelines, and workflows, optimizing developer productivity and minimizing friction. • Security & Compliance: Champion security-by-design principles, implementing controls that safeguard systems and data without slowing innovation. • Mentorship & Influence: Serve as a technical leader across teams, coaching engineers, and driving alignment on platform strategy. • Collaboration: Partner with product and engineering leaders, balancing speed, cost, and resilience in every decision.

🎯 Requirements

• Educated: Bachelor’s or Master’s degree in Computer Science, or equivalent technical experience. • Experienced: • Principal-level expertise in Infrastructure & Platform Engineering • Proven track record of scaling cloud-native systems • Strong Python 3 expertise • Strong AWS expertise • Familiarity with event-driven architectures (Kafka or similar). • Hands-on experience with IaC tools (i.e. Terraform, CloudFormation), observability, monitoring, & incident response. • Optimization-Driven: • Proven track record of improving DevEx by leveling up tooling, pipelines, & automation. • Experience improving monorepo developer workflows (Bazel, Buck, Pants). • Security-Focused: • Knowledge of compliance frameworks (SOC 2, ISO 27001, etc.) and how to operationalize them. • Experience leading security initiatives(i.e. hardening environments; building secure-by-default workflows) • Leader: A history of mentoring engineers and shaping technical direction across teams.

🏖️ Benefits

• Competitive compensation, including Series C level equity • Health / Dental / Vision 100% covered for employee and 50% for dependents • Life Insurance, with optional supplemental insurance • Flexible Spending Account (FSA) • Health Spending Account (HSA) • 401(k) with match • Unlimited PTO (vacation, personal days, sick days, jury duty, military leave, bereavement) • 11 Holidays • Paid Parental Leave for all employees • Short-term and Long-term Disability Insurances, and AD&D Insurance • Fitness membership reimbursement • Commuter benefits