L3 Tech Support Agent
Location: Full-time | Remote (Ukraine/Poland) The role We are expanding our Support team and seeking an experienced L3 Tech Support Agent. You will manage complex technical incidents escalated from L1/L2, work with Product and Engineering to resolve production issues, and implement lasting solutions to enhance system reliability and customer experience. Mission Resolve high-impact technical issues promptly and accurately to minimize disruption for customers and the business. Enhance platform stability by identifying root causes, validating solutions, and providing feedback to product and engineering roadmaps. Support the organization by developing clear documentation, playbooks, and facilitating knowledge transfer to L1/L2 teams. What you'll actually do Incident ownership: Manage complex incidents from triage to resolution, coordinate cross-functional resources, conduct post-incident reviews, and communicate promptly with stakeholders. Technical investigation: Analyze logs, traces, metrics, and data queries to diagnose issues across backend services, integrations, payment rails, and custody systems. Reproduce problems in test environments as needed. Escalation and collaboration: Collaborate with Engineering, DevOps, and Product teams to prioritize fixes, develop mitigation plans, and track progress to resolution. Knowledge management: Develop and maintain technical runbooks, troubleshooting guides, and customer-facing incident updates. Coach L1/L2 agents on common issues and resolutions. Monitoring and alerting: Define effective alerts, adjust thresholds, and reduce noise to improve incident detection and response times. Release support: Participate in release reviews, validate deployments in staging and production, and conduct targeted checks post-release to detect regressions early. Continuous improvement: Lead initiatives to eliminate recurring incidents, automate investigations, and enhance observability and telemetry across the stack. Customer communication: Deliver clear, timely, and professional updates to customers and stakeholders throughout incident lifecycles, ensuring expectations are managed and outcomes documented. What you bring At least 3 years in technical support, site reliability, or incident response roles within fintech, payments, cloud services, or crypto environments, with a track record of managing high-severity incidents.ix fundamentals, familiarity with networking, HTTP/S, TLS, RESTful APIs and common databases. Comfortable reading logs, using debugging tools and composing data queries (SQL). Hands-on experience with monitoring and logging tools such as Prometheus, Grafana, ELK/EFK, and Sentry, as well as incident management platforms like PagerDuty and Opsgenie. Knowledge of payment gateways, blockchain node interactions, custody APIs, or third-party service integrations is preferred. Problem-solving: Strong analytical skills, with the ability to perform root cause analysis and develop clear remediation plans under time constraints. Excellent written English, Ukrainian & Russian skills, with the ability to write concise incident reports and present technical findings to non-technical stakeholders. Team player with experience collaborating across engineering, product, and operations teams; able to influence priorities and advocate for customer impact. Remains calm under pressure, accountable, detail-oriented, and committed to continuous learning. Nice to have Hands‑on experience with container orchestration (Kubernetes), cloud platforms (AWS/GCP/Azure) and CI/CD pipelines. Familiarity with blockchain node operation, wallet services or custodial reconciliation processes. Experience writing automation scripts (Bash, Python) to accelerate common support tasks. Previous work in regulated environments with incident reporting and audit traceability requirements. What we offer Work remotely as part of an agile, international team that is shaping the future of finance. Competitive salary range based on individual experience and contribution. Career progression opportunities to advance into senior SRE, product, or engineering roles. Impact & ownership. Take a central role in ensuring platform reliability, where accuracy and timeliness are critical. Collaborative culture. Join a transparent environment that values open dialogue, experimentation, and measurable impact. If you are passionate about resolving complex technical issues and improving customer reliability in dynamic fintech and crypto environments, we encourage you to apply. Please apply with your CV and a brief note describing a significant incident you led, your technical approach, and the outcome. Apply To This Job