{"id":3817543,"url":"https://alion.io/job/marsh-mclennan-principal-engineer-applications-development","title":"Principal Engineer - Applications Development","company":{"id":1769686,"name":"Marsh McLennan","domain":"marshmclennan.com","url":"https://alion.io/company/marshmclennan","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":82,"open_postings":272,"ghost_share":0,"stale_share":0.915,"repost_share":0.004,"time_to_fill_p50_days":20,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gurgaon, India","Noida, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"SQL","optional":false},{"name":"Angular","optional":true},{"name":"C#","optional":true},{"name":"CI/CD","optional":true},{"name":"Git","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Node JS","optional":true},{"name":"TypeScript","optional":true}],"status":"closed","first_seen_at":"2026-11-05T16:38:50Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-06T08:54:12Z","board_verified":false,"closed_at":"2026-11-06T08:54:12Z","days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Company:\nMarshDescription:\nWe are looking for a skilled .NET Developer with strong SQL knowledge and preferred exposure to the MEAN stack, along with familiarity with AI tools and AI-assisted development practices.\nRole summary\nThe .NET Developer will design, develop, and support enterprise applications and services with a strong focus on .NET, SQL, and solution reliability. The role also values experience with modern web technologies, cross-functional delivery, and the ability to use AI-enabled tools to improve productivity and quality.\nKey responsibilities\nDevelop and maintain scalable applications using .NET technologies.\nDesign, write, and optimize SQL queries, stored procedures, and database objects.\nBuild and support secure, high-quality backend services and APIs.\nCollaborate with product, QA, and infrastructure teams to deliver enhancements and production support.\nParticipate in code reviews, testing, debugging, and performance tuning.\nSupport troubleshooting and root-cause analysis for application and database issues.\nContribute to design discussions, technical estimation, and delivery planning.\nUse AI tools and AI-assisted development capabilities to improve development speed, code quality, testing, and documentation.\nApply secure coding practices and follow engineering standards throughout the delivery lifecycle.\nRequired skills and experience\nStrong hands-on experience in .NET development.\nStrong SQL knowledge, including queries, stored procedures, and relational database concepts.\nGood understanding of object-oriented programming, API development, and software engineering principles.\nExperience with debugging, unit testing, and performance optimization.\nAbility to work effectively in a collaborative, global delivery environment.\nStrong communication skills and a proactive approach to problem-solving.\nPreferred skills\nExposure to the MEAN stack, especially Angular, Node.js, and MongoDB.\nFamiliarity with web application development and modern UI integration patterns.\nExperience with CI/CD pipelines, Git, and DevOps practices.\nExposure to cloud environments, containerization, or Kubernetes is an added advantage.\nExperience using AI coding assistants, prompt-based tools, or AI-assisted testing/documentation workflows.\nWhat you need to have:\nMinimum 12 months experience as Principal Engineer/Senior Principal Engineer\nShould have at least “On track” or above in last appraisal\nShould not be under any Performance Continuity Plan, or had any official Disciplinary action within the last 3 months\n Should not have applied for any other IJP within Marsh McLennan in the last 3 month\nWhat success looks like\nDelivers reliable and maintainable .NET solutions with strong database support.\nImproves delivery efficiency through effective use of AI tools and automation.\nWorks well across teams and supports business priorities on time.\nContributes to a stable, scalable, and collaborative engineering environment.\nMarsh (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 $27 billion and more than 95,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit 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. 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