🇨🇿 Central Bohemia, Czechia · 9h ago
Senior Backend Engineer for Test Automation
Charged Monkey
LinkedInseniorEnglish-friendly
At Charged Monkey, we are a team of talented and experienced game makers. Our ambitions are huge, and only a world-class team could achieve them. To date, we’ve built a team of incredibly talented individuals from all over the world, who together are bringing industry-defining games to life.We embrace AI-forward development practices and expect our engineers to be curious and pragmatic about how these tools can raise the bar.In partnership with a TOP 5 mobile game publisher in the West, we are in the early stages of development on an ambitious, unannounced, cross-platform Strategy/MMO title.Do you want to be a part of talented and passionate game makers to join us on this exciting journey?We are seeking an experienced Senior Backend Engineer for Test Automationto join our team focused on core server technology, based in Prague / Bratislava on a hybrid or remote basis.!!!!!Candidates from all countries are welcome. However, relocation to one of our employing entities is required. At this time, we are only able to consider candidates who are already authorized to work in the EU and do not require visa or work permit sponsorship.!!!!!What You Will Do Work in a cross-functional agile team and be responsible for designing, developing, and evolving systems that validate and improve the performance, scalability, and reliability of backend services running on AWSDesign and implement performance and reliability strategies for our core backend systems, including defining service-level expectations (latency, throughput, error rates) and validating them under realistic conditionsBuild frameworks and tooling to simulate real-world production scenarios, including multi-service interactions, high concurrency, and network variabilityDevelop and maintain load, stress, and endurance testing systems, integrated into CI/CD pipelines to detect regressions before productionAnalyze system behavior using metrics, logs, and distributed tracing, identifying bottlenecks and driving improvements across servicesDefine and drive the adoption of a comprehensive testing strategy across backend services, including unit tests, integration tests (leveraging test containers), and clear guidelines for when and how each layer should be appliedEnable a shift-left quality culture by building tooling, patterns, and best practices that allow teams to detect regressions earlyCollaborate with feature teams to improve system design, resilience, and scalability, acting as a force multiplier across backend engineeringLeverage AI tools and agentic workflows in your daily work — from tech planning, code generation and review to exploring novel solutions.What We’re Looking For 5+ years experience as a software engineer working on backend systems, distributed systems (operating in the Public Cloud) , or other relevant areas with a strong passion for testing and performance testingProfessional experience building and operating highly available, scalable backend systems, such as MMO game servers, high-traffic services, or real-time applicationsExperience with Python and its ecosystem, including familiarity with asynchronous programming, concurrency, and performance considerationsSolid understanding of distributed systems, including:service-to-service communication, including event driven architecturesfailure modes and resilience patternsstateful vs stateless architecturesExperience designing and implementing highly scalable and low-latency systems, including use of Redis, DynamoDB, or similar technologiesStrong understanding of API design (REST/gRPC) and ability to write efficient, low-latency codeExperience working in cloud environments (AWS) and familiarity with containerized deployments (Docker)Familiarity with CI/CD pipelines, automated testing, and infrastructure automationExperience using observability tools (Datadog, logs, tracing) to analyze and debug system behaviorHands-on experience working with AI-assisted development tools (e.g. GitHub Copilot, Codex, Claude Code) and an understanding of how agentic workflows can augment engineering productivity.Bonus Points Experience with load testing frameworks like K6, LocustUnderstanding of SRE concepts like: SLA, SLO, error budgetsExperience with load testing messaging systems such as NATS;Experience with relational databases likeMySQL.Familiarity with Infrastructure-as-Code (preferred Terraform) for managing infrastructure deploymentUnderstanding of network infrastructure and cloud networking concepts, such as VPC, Subnet, Security Groups, and Load BalancingUnderstanding modern observability stacks like Kibana / Datadog to perform log querying and dashboardsSourced from LinkedIn. Relocantly aggregates public job postings; apply on the original site.