Senior Lead Engineer

Senior Lead Engineer

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Senior Lead Engineer to join our team in Delhi, Delhi (IN-DL), India (IN).

Job Description – MuleSoft Application Support Engineer (L3)

Experience 4–8 years Location Noida (ODC)

Role Summary: We are seeking a MuleSoft Application Support Engineer – L3 with 4–8 years of experience to provide advanced production support and development-level expertise for MuleSoft-based integration platforms in a banking environment. The L3 engineer will act as the final escalation point, handling complex incidents, root cause analysis, and enhancement requirements, with strong MuleSoft and IDP development knowledge.

Key Responsibilities

• L3 Production Support & Advanced Troubleshooting
• Act as the L3 escalation point for complex MuleSoft production issues.
• Perform deep root cause analysis and implement permanent fixes.
• Troubleshoot complex issues related to: Mule flows and orchestration DataWeave transformations API performance and scalability JVM, memory, and threading issues Guide and mentor L1/L2 teams during critical incidents.
• Development & Enhancements
• Perform code-level fixes and enhancements in MuleSoft applications.
• Design and develop: Mule 4 flows and subflows DataWeave scripts Error handling and retry mechanisms Support enhancement requests, change requirements, and continuous improvements. Participate in design reviews and impact analysis.
• MuleSoft IDP Responsibilities
• Provide advanced support and enhancement for MuleSoft Intelligent Document Processing (IDP) solutions. Troubleshoot and resolve complex IDP issues such as: OCR accuracy problems Classification and extraction model failures Performance and scalability challenges Enhance and tune IDP workflows to improve accuracy and efficiency. Support integration of IDP with downstream banking systems. Guide L1/L2 teams on IDP-related incidents.
• Platform, Banking & Compliance
• Manage deployments on CloudHub / Runtime Fabric / On-Prem Mule runtimes. Configure API Manager policies and security (OAuth, JWT, TLS). Support integrations for core banking, payments, AML/KYC, and other banking systems. Ensure adherence to banking security, compliance, and audit standards. Participate in release management, DR drills, and production readiness reviews.
• Operational Excellence
• Own problem management and preventive actions. Create and maintain technical documentation and runbooks. Participate in 24x7 on-call and rotational support. Collaborate with infrastructure, security, and vendor teams.

Required Skills & Qualifications

Technical Skills: 4–8 years of IT experience with strong MuleSoft L3 support and development expertise. Deep hands-on experience with Mule 4 and DataWeave 2.x. Strong experience with MuleSoft Intelligent Document Processing (IDP). Expertise in REST/SOAP APIs and integration patterns. Experience with performance tuning, log analysis, and troubleshooting production issues. Good understanding of Linux/Unix, networking, and JVM concepts.

Process & Soft Skills: Strong understanding of ITIL processes. Excellent analytical, problem-solving, and communication skills. Ability to handle P1/P2 incidents in high-pressure environments. Ability to mentor junior engineers.

Operational Requirement: This role requires readiness to provide 24x7 production support from the Noida ODC. Support will be rotational, including weekends, based on operational needs. Flexibility to work in shifts and provide on-call support is mandatory.

About NTT DATA: NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client's needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees.