Application Support Engineer (US)

We are looking for a skilled Application Support Engineer to join our team supporting Nadex, a regulated derivatives trading exchange for TradeFi and Prediction Markets. You will play a critical role in ensuring the availability, stability, and performance of our production and demo trading environments. This is a hands-on role suited for someone who thrives in a fast-paced, mission-critical environment and takes ownership of operational excellence. ### Responsibilities - **Production Support & Monitoring** — Provide expert-level remote management, administration, and support for Production and Demo trading exchange environments, ensuring system availability and application stability. - **Daily Operations** — Execute and monitor daily operational processing, including contract scheduling, settlement of expired contracts, and end-of-day/start-of-day procedures. - **Incident & Problem Management** — Triage, troubleshoot, and drive resolution of production incidents. Follow defined escalation procedures and contribute to root cause analysis and post-incident reviews. - **Performance Tuning** — Monitor application and system performance, identify bottlenecks, and implement tuning recommendations to maintain optimal exchange operations. - **Change & Release Support** — Assist with version upgrades, deployments, and release validation in coordination with Development and QA teams. - **Shift Handover & Documentation** — Maintain and update runbooks, SOPs, and operational documentation. Ensure seamless shift handovers with clear status communication. - **Process Improvement & Automation** — Participate in the investigation, implementation, and operation of tools and scripts to automate, streamline, and continuously improve operational workflows. - **Collaboration** — Work closely with Development, QA, Infrastructure, and partner teams to resolve cross-functional issues and support business-critical initiatives. - **Partner Support** — Monitoring of our multiple partner channels covering FCMs, TSPs, and Market Makers and responding to any queries raised in Slack or Teams effectively and efficiently. ### Requirements - 5+ years of experience managing or supporting mission-critical production software applications. - Strong working knowledge of Linux server operating systems. - Proficiency in scripting and automation — Bash and/or Python. - Hands-on experience with SQL and relational databases. - Demonstrated incident management and technical troubleshooting skills. - Solid understanding of escalation procedures and SLA-driven environments. - Excellent interpersonal, verbal, and written communication skills. - Strong attention to detail and a proactive, ownership-driven mindset. - Willingness to occasionally work nights and weekends. **Preferred Qualifications** - Background in financial services, fintech, or regulated exchange environments. - Knowledge or experience of options and futures trading markets. - Knowledge or experience of prediction markets and sports - Experience with FIX protocol and trading system applications. - Familiarity with monitoring and observability tools — Grafana, Zabbix, Splunk, Logic Monitor. - Experience with messaging and middleware systems — Kafka, AMQ, Tomcat. - Working knowledge of high availability systems and clusters. - Hands-on experience with AWS (EC2, CloudWatch, S3, etc.). - Experience with change and release management processes. - Exposure to SFTP / file transfer workflows and monitoring. #Remote **Life @ http://Crypto.com** Empowered to think big. Try new opportunities while working with a talented, ambitious and supportive team. Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions. Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth. Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another. One cohesive…