Senior Full Stack Software Engineer

We are seeking an experienced Senior Full Stack Software Engineer to join our team responsible for supporting and enhancing critical production applications and platforms. This role is essential to maintain system stability, performance, and availability in mission‑critical environments. You will leverage advanced troubleshooting capabilities and full‑stack development expertise to resolve complex issues, implement permanent solutions, and drive continuous improvement initiatives.

As a Senior Full Stack Software Engineer, you will also work as a Level 2 Production Support Engineer, you will work closely with Level 1 support teams, Level 3 development teams, and infrastructure partners to ensure timely resolution of incidents and uphold operational excellence.

• Incident Management:
  Diagnose and resolve complex production issues across the full technology stack (front‑end, back‑end, APIs, and databases).
• Root Cause Analysis:
  Conduct detailed investigations and implement permanent fixes to prevent recurrence.
• Monitoring & Observability:
  Enhance system monitoring using tools such as New Relic, Grafana, Splunk, or ELK; maintain dashboards and alerts for proactive issue detection.
• Performance Optimization:
  Identify bottlenecks and optimize application performance and scalability.
• Deployment & Release Support:
  Partner with Dev Ops teams to ensure smooth deployments and rollback strategies.
• Automation:
  Develop scripts and tools to automate repetitive support tasks and improve operational efficiency.
• Cross‑Team
  
  Collaboration:
  
  Work closely with L3 Development, QA, and infrastructure teams to resolve issues and improve system reliability.
• Documentation:
  Maintain comprehensive runbooks, troubleshooting guides, and knowledge base articles.
• Continuous Improvement:
  Recommend and implement best practices for error handling, logging, and fault tolerance.
• Excellent problem‑solving skills and ability to perform under pressure.
• Strong communication and stakeholder management skills.

• Bachelor’s degree in computer science, Computer Engineering, or related field (advanced degree preferred).
• 5+ years of back‑end development experience, including Databricks, Python, Azure Data Factory, and SQL Server building cloud‑native solutions on Azure working with CI/CD pipelines using Azure Dev Ops, Jenkins, Git Hub Actions, or similar tools.
• Proficiency in back‑end languages such has Java, Python, Node.js and front‑end frameworks such has React
  
  JS, Angular
  
  JS, Vue.
  
  JS.
• Solid understanding of application architecture visualization tools (e.g., Dynatrace, Service Now CMDB).
• Proven ability to debug complex distributed systems, trace requests across microservices, and identify root causes in multi‑tier environments.
• Expertise in SQL/No
  
  SQL databases and query optimization.
• Hands‑on experience with monitoring and logging tools (New Relic, Splunk, etc.).
• Familiarity with ITIL processes or similar incident/change management frameworks.

• Experience with Site Reliability Engineering (SRE) practices.
• Familiarity with microservices architecture and distributed systems.
• Certifications in cloud platforms (Azure, AWS) or ITIL.
• Certifications or experience in Salesforce platforms
• Experience with Java Spring Boot and event‑driven systems (Kafka, Rabbit
  
  MQ).

• We’ll empower you to learn and grow the career you want.
• We’ll recognize and support you in a flexible environment where well‑being and inclusion are more than just words.
• As part of our global team, we’ll support you in shaping the future you want to see.

Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit

At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and…