Senior Backend Engineer (Cloud) - AWS & Python/Go

Luxoft Poland; Województwo pomorskie; On-site; PLN 180,000 - 280,000; Full time

Job summary

Luxoft Poland is seeking an experienced cloud software engineer to design, build, and maintain scalable AWS-based services supporting device observability, OTA updates, and fleet operations.

The role emphasizes reliable, secure, high-performance systems, IaC-driven infrastructure, CI/CD ownership, and mentorship of junior engineers across cross-functional teams. Strong Kubernetes, SQL, Python/Go skills and agile DevOps mindset are essential.

Qualifications

• Bachelor's degree in Computer Science, Electrical Engineering, or a related field.
• 5+ years of industry experience.
• Experience with Amazon AWS services such as EKS, S3, SQS, RDS, Cognito, and Lambda.
• Proficiency in Python or Go (Golang), with a focus on building production-quality services.
• Experience working with relational, document, or time-series databases and expertise in writing performant SQL queries.
• Solid understanding of Kubernetes and container orchestration in production environments.
• Strong problem-solving skills with the ability to collaborate and contribute to solutions effectively.
• Proven ability to design and operate scalable, secure APIs and microservices.
• Strong communication skills and a track record of leading cross-functional technical initiatives.
• Experience working in agile environments with modern DevOps and SRE practices.

Responsibilities

• Participate in incident prevention, response, and remediation efforts, learning and applying best practices.
• Design, build, and maintain scalable cloud services that support device observability, OTA updates, and fleet operations.
• Lead efforts to improve the reliability, security, and performance of multi-region AWS infrastructure using Infrastructure as Code (IaC) tools.
• Own CI/CD pipelines for cloud services, enabling efficient, secure, and automated delivery processes.
• Set and uphold high standards for software engineering and DevOps practices across the team, including incident response, monitoring, and postmortems.
• Collaborate with cross-functional teams including hardware, product, and other engineering teams to define system requirements and deliver robust end-to-end solutions.
• Drive architectural decisions, perform code reviews, and contribute to long-term technical strategy for cloud services.
• Mentor junior engineers and share expertise in cloud technologies, software and architectural design patterns.

Skills

Bachelor's degree

5+ years exp

AWS EKS

Python

Go

SQL

Kubernetes

APIs

Cross-functional

Agile DevOps

Education

Bachelor's degree

Tools

Terraform

Job description

Responsibilities:

• Participate in incident prevention, response, and remediation efforts, learning and applying best practices.
• Design, build, and maintain scalable cloud services that support device observability, OTA updates, and fleet operations.
• Lead efforts to improve the reliability, security, and performance of multi-region AWS infrastructure using Infrastructure as Code (IaC) tools.
• Own CI/CD pipelines for cloud services, enabling efficient, secure, and automated delivery processes.
• Set and uphold high standards for software engineering and DevOps practices across the team, including incident response, monitoring, and postmortems.
• Collaborate with cross-functional teams-including hardware, product, and other engineering teams to define system requirements and deliver robust end-to-end solutions.
• Drive architectural decisions, perform code reviews, and contribute to long-term technical strategy for cloud services.
• Mentor junior engineers and share expertise in cloud technologies, software and architectural design patterns.

Mandatory Skills Description:

• Bachelor's degree in Computer Science, Electrical Engineering, or a related field.
• 5+ years of industry experience.
• Experience with Amazon AWS services such as EKS, S3, SQS, RDS, Cognito, and Lambda.
• Proficiency in Python or Go (Golang), with a focus on building production-quality services.
• Experience working with relational, document, or time-series databases and expertise in writing performant SQL queries.
• Solid understanding of Kubernetes and container orchestration in production environments.
• Strong problem-solving skills with the ability to collaborate and contribute to solutions effectively.
• Proven ability to design and operate scalable, secure APIs and microservices.
• Strong communication skills and a track record of leading cross-functional technical initiatives.
• Experience working in agile environments with modern DevOps and SRE practices.