Principal Engineer - Applications Development

We are looking for a Senior Software Engineer to join our Team at MMC.

Role Overview

TheSenior Software Engineeris a pivotal role within a squad that has accountability for all aspects of the code produced, they often have experience of multiple platforms/projects and are considered to be role models for other engineers to look up to and obtain tacit knowledge and guidance. They will often have line management responsibilities and work closely with the Architecture Team in the design and delivery of a solution. As a Senior Engineer at Mercer, you will be responsible for the design, development, implementation, and support of performant, highly scalable software solutions. This is a hands-on role that requires the candidate to work collaboratively in a squad following a Scaled Agile development methodology. You must be a self-starter, delivery-focused, and possess a broad set of technology skills.

We will count on you to:

• Ensure that solution requirements are gathered accurately, understood, and that all stakeholders have transparency on impacts
• Hands-on; write code, peer review and test alongside your teams
• Line Manage one or more engineers and act as a role model for your peer group
• Advocate best practices and principles within your organisation
• Work closely with a Lead Software Engineer
• Champion good agile practices that are foundational to product delivery
• Be an active member of the MMC Technology community contribute, collaborate, and learn
• Build strong relationships with product owners, solutions architects, analysts and pod leadership
• Work with state-of-the-art technologies to solve genuine, real-world problems
• Troubleshoot and resolved development issues
• Provide technical support to clients on existing problems
• Recommend and execute code improvements based on current solutions
  
  

What you need to have:

• For the Senior Engineer role, we are looking for a candidate with proven experience of working on mulitple products
• The ability to communicate effectively to both technical and non-technical colleagues in a cross-functional environment
• Proven track record of successfully delivering software with a broad mix of languages, technologies and platforms
• Experience working with Agile at Scale, Lean and Continuous Delivery approaches such as Continuous Integration, Test-Driven Development and Infrastructure as Code
• Experience with cloud native software architectures
• Proven experience in Security driven design practices and the remediation of SAST/DAST findings
• Experience in CI/CD and Devops practices including the use of Quality Gates to maintain high levels of code
• Strong Self-starter and active squad contributor
  
  

Technical Skills or Qualifications Required:

• Strong Expertise in designing and implementing RESTful APIs with focus on
  
• API security, versioning, and documentation
• Ability to build scalable and maintainable API-driven architectures
  
• Hands-on experience with cloud platforms (AWS, Azure, or Google Cloud)
  
• Knowledge of cloud-native services, deployment, and infrastructure as code
• Experience with containerization (Docker, Kubernetes) and serverless architectures
  
• Practiced experience refactoring, implementing design patterns, design driven development, continuous integration, system and application design, application security
• Strong experience in one or more of the following frameworks Angular, NodeJS, Express.JS, .NET, Less(Sass)
• Experience of the following middleware is desirable Kafka, NServiceBus, Camunda, Dremio, RabbitMQ
• Experience with CI/CD pipelines and automated deployments
• Agile methodologies and collaborative development
• Experience with container technologies such as Docker and Kubernetes
• Familiarity with AI/ML frameworks and APIs (TensorFlow, PyTorch, OpenAI, etc.)
• Experience with Unit Testing and Integration Testing is also essential
• Strong experience working with an ORM Framework including the use of TSQL and NOSQL databases such as MSSQL and Mongodb
• StrongKnowledge of SDLC processes and practices and experience with some or all of Confluence, JIRA, ADO, Github etc.
• Experience designing and deploying applications on cloud infrastructure with providers such as AWS and Microsoft Azure
  
  

Values and Culture:

Our team comprises all sorts of people from all sorts of backgrounds. We believe everyone brings value and a unique perspective and want promote a fun and diverse culture. To help us succeed we hope that you can demonstrate:

• A genuine passion for technology
• A clear commitment to creating brilliant products that will give our clients the edge
• A willingness to work fluidly and respectfully with our talented team
  
  

Marsh (NYSE: MRSH) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.

Marsh is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, caste, disability, ethnic origin, family duties, gender orientation or expression, gender reassignment, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.

Marsh is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.

R_336004

---