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.

Position Responsibilities

• 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 DevOps 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.

Required Qualifications

• 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 DevOps, Jenkins, GitHub Actions, or similar tools.
• Proficiency in back-end languages such has Java, Python, Node.js and front-end frameworks such has ReactJS, AngularJS, Vue.JS.
• Solid understanding of application architecture visualization tools (e.g., Dynatrace, ServiceNow CMDB).
• Proven ability to debug complex distributed systems, trace requests across microservices, and identify root causes in multi-tier environments.
• Expertise in SQL/NoSQL 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.

Preferred Qualifications

• 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, RabbitMQ).

When You Join Our Team

• 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.

About Manulife And John Hancock

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

Manulife is an Equal Opportunity Employer

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 we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy-related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law.

It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process, contact [email protected].

Referenced Salary Location

Boston, Massachusetts

Working Arrangement

Hybrid

Salary range is expected to be between

$80,625.00 USD - $134,375.00 USD

If you are applying for this role outside of the primary location, please contact [email protected] for the salary range for your location. The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training. Employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance.

Manulife/John Hancock offers eligible employees a wide array of customizable benefits, including health, dental, mental health, vision, short- and long-term disability, life and AD&D insurance coverage, adoption/surrogacy and wellness benefits, and employee/family assistance plans. We also offer eligible employees various retirement savings plans (including pension/401(k) savings plans and a global share ownership plan with employer matching contributions) and financial education and counseling resources. Our generous paid time off program in the U.S. includes up to 11 paid holidays, 3 personal days, 150 hours of vacation, and 40 hours of sick time (or more where required by law) each year, and we offer the full range of statutory leaves of absence.

Know Your Rights I Family & Medical Leave I Employee Polygraph Protection I Right to Work I E-Verify

Company: John Hancock Life Insurance Company (U.S.A.)