Senior Platform Software Engineer

Position

Senior Platform Software Engineer

100% remote

Up to 32600 PLN on B2B contract; 25400 PLN on permanent contract

We are a product company that creates a platform that facilitates communication and monitoring of employees not working at desks in large companies. The application is available in both web and mobile versions and allows integration of internal company systems, customer databases, internal customer calendars and other messengers, all available on your smartphone. The application is dedicated to companies from various industries (SaaS).

As a Senior Platform Software Engineer, you will focus on designing and building core platform services that empower our engineering teams and drive the company's product development. Your work will span backend development, cloud infrastructure, and performance optimization, blending software engineering excellence with operational insights.

• Design and build core platform components and services with a focus on scalability, performance, and reliability
• Develop and maintain robust, high‑quality backend applications and libraries that power the platform
• Implement and maintain monitoring, logging, and observability frameworks to achieve high levels of service availability
• Work closely with Dev Ops and infrastructure teams to automate cloud infrastructure and ensure efficient operations
• Contribute to database design and optimization, particularly with Postgre
  
  SQL and Click House
• Participate in code reviews, mentor junior engineers, and promote best practices across the team
• Take operational responsibility for the services you build, including participation in on‑call rotations when necessary

• Proven experience as a Software Engineer with 5+ years in backend development or platform engineering roles
• Strong programming skills in Java, Python, or similar languages
• Solid experience with microservices architectures and distributed systems
• Familiarity with cloud platforms (AWS, GCP), particularly around deployment and scaling strategies
• Strong understanding of Kubernetes and container orchestration
• Deep expertise in building scalable data processing pipelines and optimizing database performance
• Good understanding of Dev Ops topics including networking, security, and performance optimization

• Bachelor’s or Master’s Degree in Computer Science or a related field
• Experience with infrastructure‑as‑code tools (e.g., Terraform, Spacelift)
• Familiarity with observability tools such as Prometheus, Grafana, and the ELK stack
• Knowledge of eBPF or similar low‑level performance analysis tools
• Experience with AI technologies or interest in using AI to enhance software development

• Cloud Infrastructure as Code: AWS and GCP; infrastructure managed with Spacelift and Terraform
• Container Orchestration:
  Kubernetes (EKS and GKE) managed with Helm and FluxCD
• Backend Services:
  Predominantly built in Java using Quarkus, and Python, with Apache Kafka as an event bus
• Data Stores:
  Postgre
  
  SQL, Click House, MySQL, and Elasticsearch
• Monitoring and Logging:
  Prometheus, Grafana, and ELK stack
• AI Integration:
  Leveraged for internal tools and enhancing customer value

• Competitive salary
• Phone & Home Internet costs reimbursement up to 80
  
  PLN/month
• Private health care package with Luxmed
• Multisport Benefit card
• Creative Allowance – paid as 1000
  
  PLN gross/month
• Home office set‑up reimbursement of up to 1000
  
  PLN
• Personal Learning & Development Budget of 1500
  
  USD/year
• Sabbatical Program – 1 month paid leave at 3, 5, 10 year tenure
• 26 days of annual leave/year
• 2 Mental Health days off per year
• Laptop for work purposes
• Hybrid working model
• Stock options

Our stack includes cutting‑edge technologies such as Helm, Click House, Quarkus, Debezium, Kafka, and AI, giving you a unique opportunity to work with state‑of‑the‑art tools in a dynamic, fast‑paced environment.