Senior Backend Engineer E-Commerce

Warsaw

Permanent Job

Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses. With more than 1,000 clients across the globe, we have been rolling out solutions in major projects for over a decade – this is made possible by an international team of 7,600 people spread across 5 continents and more than 60 countries. Our solutions focus on four different Business Lines:
Information System & Digital, Telecom, Life Sciences and Engineering. We’re focused on building and nurturing a top talent community where all our team members can achieve their full potential. Amaris is your steppingstone to cross rivers of change, meet challenges and achieve all your projects with success.

Join our Digital & IT team as a Senior Backend Engineer within Amaris’s e-commerce practice. You will work alongside cross-functional teams and clients to accelerate feature delivery, ensure platform resilience for product launches and campaigns, and drive continuous improvement of back-end services and integrations.

• Accelerate delivery of e-commerce features to maximize conversion and readiness for launches, drops, and global campaigns
• Design, implement, and operate scalable, reliable, and secure event-driven microservices
• Elevate engineering quality through code reviews, mentoring, automated testing, and thorough documentation
• Own and continuously improve integrations with external systems (Algolia, Yext, Adyen, DAM, PIM, ERP/OMS, CRM)
• Implement event-driven workflows using Azure Service Bus with idempotency, dead-letter queues, retries, and back pressure
• Containerize services with Docker, run on Kubernetes, and manage deployments via Git Ops with Argo CD
• Monitor and troubleshoot operational issues using Datadog (APM, logs, metrics) and Sentry (error monitoring, release health)
• Configure and optimize CDN/WAF solutions (Cloudflare or Akamai) for caching, rate-limiting, bot mitigation, and edge rules

• Academic background: BS/MS in Computer Science, Engineering, or equivalent practical experience
• Experience:
  
  5+ years of professional backend engineering with production ownership and demonstrated design/operation of distributed event-driven systems; familiarity with Agile methodologies (Scrum, Kanban)
• English language:
  Fluent written and spoken English
• Tools / software:
  Python, FastAPI, Pydantic, REST/OpenAPI, Graph
  
  QL;
  Azure Service Bus or similar (SQS/SNS, Pub/Sub, Rabbit
  
  MQ, Kafka);
  Postgre
  
  SQL, Dynamo
  
  DB, Redis;
  Docker, Kubernetes, Argo CD;
  Datadog, Sentry;
  Git (branching, pull requests), CI/CD pipelines
• Soft skills:
  
  Strong time management and organizational skills; clear communication and design documentation; ownership mindset with a bias for action; product sense and experimentation mindset; rigorous debugging and incident-handling capabilities; effective code review and mentoring

• Join a critical and high-impact project in a fast-evolving industry
• Work autonomously with full scope on purchasing and supplier management
• Flexible work location, with onboarding travel to Italy planned
• Exposure to international operations
  , including suppliers and manufacturing plants in Europe and North Africa
• A chance to grow within Amaris Consulting
  , a dynamic, multicultural environment with strong internal mobility opportunities

At Amaris Consulting, we are committed to fostering an inclusive environment where everyone feels welcome and valued. We believe that diversity fuels innovation and performance. All applications will be considered without regard to race, ethnicity, religion, gender, sexual orientation, gender identity, disability, or any other characteristic protected by applicable law.