Senior Principal Engineer – Applications Development

We are seeking a talented individual to join our Tech team at MMC Corporate in Mercer PDE Team .This role will be based in Gurgaon/ Noida. This is a hybrid role that has a requirement of working at least three days a week in the office.

Senior Principal Engineer – Applications Development What can you expect? As Senior Principal Engineer at Mercer, you will be responsible for designing, developing, and maintaining robust and scalable software applications. You will collaborate closely with cross-functional teams to understand software requirements and translate them into technical solutions. Additionally, you will collaborate on the implementation of comprehensive test strategies, ensuring the quality and reliability of our software products. This is a hands-on role that requires the candidate to work in a team 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:

• Demonstrate technical expertise and leadership in software development and testing.
• Design and develop scalable and maintainable software applications, adhering to best practices and coding standards.
• Collaborate with cross-functional teams, including product managers, designers, and quality assurance engineers, to understand software requirements and translate them into robust technical solutions.
• Lead the implementation of comprehensive test strategies, including unit, integration, and system testing, to ensure the quality and reliability of our software products.
• Develop and maintain automated test frameworks, tools, and test scripts to streamline the testing process and improve efficiency.
• Conduct thorough testing of software applications, analyze test results, and provide detailed reports to stakeholders, highlighting any issues or areas for improvement.
• Mentor and guide junior engineers, providing technical leadership and fostering a culture of continuous learning and improvement.
• Collaborate with cross-functional teams to identify and resolve software defects, ensuring the delivery of high-quality software products.
• Stay up-to-date with emerging technologies, industry trends, and best practices in software development and testing.

What you need to have:

• Minimum 12 Yrs of experience
• For the

Senior Software Engineer with Test Skills role, we are looking for a candidate with proven experience of working on mulitple products in the delivery of both features and tests

• 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 practices (e.g. Scrum or Kanban), 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 involved squad contributor

Technical Skills or Qualifications Required:

• Bachelor's degree in Computer Science or equivalent experience in Software Engineering, Test Engineering, or a related field
• Proven experience as a Senior Software Engineer or in a similar role, with a strong background in software development and testing.
• Proficiency in programming languages such as Javascript (MEAN), C#, or Python, and experience with test automation frameworks (e.g. Selenium, Cypress, Playwright, TestNG).
• Solid understanding of software testing principles, techniques, and tools, including unit testing frameworks (e.g., Jest, NUnit) and mocking frameworks (e.g., Mockito, Moq).
• Experience with continuous integration and delivery (CI/CD) pipelines and tools (e.g., ADO, Github Actions, Docker).
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex issues and propose effective solutions.
• Excellent communication and leadership skills, with the ability to mentor and guide junior engineers.
• Attention to detail and a commitment to delivering high-quality software products.

Technical Skills and Qualifications Required

• Strong experience in one or more of the following frameworks Angular, NodeJS, Express.JS, .NET, Less(Sass)
• Experience with Unit Testing and Integration Testing is also essential
• Familiarity with AI frameworks and libraries (e.g., TensorFlow, PyTorch, LangFlow) is highly desirable
• Experience of the following middleware is desirable Kafka, NServiceBus, Camunda, Dremio, RabbitMQ
• Experience with container technologies such as Docker and Kubernetes
• Practiced experience refactoring, implementing design patterns, design driven development, continuous integration, system and application design, application security
• 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
• Experience working with the MEAN or MERN stack

What makes you stand out?

• BTech/ MCA degree
• Strong knowledge of Generative AI and artificial intelligence concepts, techniques, and tools, such as LLMs, SLLM,s, Agentic AI, neural networks, reinforcement learning, natural language processing, computer vision, knowledge representation, and reasoning.
• Prior experience in working with AI/ ML and Generative AI models.
• Basic Knowledge of Data Bricks Join us at, where you will have the opportunity to lead innovative engineering initiatives and shape the future of our software solutions. We look forward to your application!