Senior Platform Software Engineer

Position Senior Platform Software Engineer Working model 100% remote Salary Up to 32600 PLN on B2B contract; 25400 PLN on permanent contract About the Company 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). Role Overview 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. Responsibilities 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 DevOps and infrastructure teams to automate cloud infrastructure and ensure efficient operations Contribute to database design and optimization, particularly with PostgreSQL and ClickHouse 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 Requirements 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 DevOps topics including networking, security, and performance optimization Nice to have 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 Tech Stack 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: PostgreSQL, ClickHouse, MySQL, and Elasticsearch Monitoring and Logging: Prometheus, Grafana, and ELK stack AI Integration: Leveraged for internal tools and enhancing customer value Offer Competitive salary Phone & Home Internet costs reimbursement up to 80PLN/month Private health care package with Luxmed Multisport Benefit card Creative Allowance – paid as 1000PLN gross/month Home office set‑up reimbursement of up to 1000PLN Personal Learning & Development Budget of 1500USD/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 Additional Information Our stack includes cutting‑edge technologies such as Helm, ClickHouse, Quarkus, Debezium, Kafka, and AI, giving you a unique opportunity to work with state‑of‑the‑art tools in a dynamic, fast‑paced environment. #J-18808-Ljbffr