L3 Support - Full Stack Engineer - SE / SSE

Job description

We are looking for an experienced **Full Stack Support Engineer** with hands-on expertise in supporting and maintaining complex applications across front-end and back-end systems. This role requires advanced troubleshooting skills, leadership in support processes, and the ability to mentor junior engineers while ensuring high-quality service delivery. - Provide advanced technical support for full-stack applications, including UI, APIs, databases, and integrations. - Lead root cause analysis and implement long-term fixes for recurring issues. - Collaborate with development teams to improve system reliability and performance. - Manage escalated support tickets and ensure timely resolution. - Oversee deployment, monitoring, and maintenance of applications in production. - Document solutions, create knowledge base articles, and establish best practices. - Mentor and guide junior support engineers, fostering a culture of continuous learning. - Work closely with product owners and stakeholders to align support with business needs. - 5–9 years of experience in full-stack development and technical support. - Strong proficiency in front-end frameworks (React, Angular, or Vue). - Expertise in back-end technologies (Node.js, Python, Java, or .NET). - Advanced knowledge of databases (MySQL/PostgreSQL, MongoDB). - Experience with RESTful APIs, GraphQL, and microservices. - Strong debugging, performance tuning, and system optimization skills. - Experience with monitoring tools (Datadog, New Relic, Prometheus). - Familiarity with ITIL or other structured support frameworks. - Ability to manage priorities in high-pressure environments. - Strong customer focus and proactive problem-solving mindset.