Application Engineering Senior Developer - Dot NET Full Stack and Integrations
EY
Kochi, HR, IndiaPosted about 1 month agoDiscoveredMatch locked
Full-time6+ years exp
About the role
At EY, you'll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we're counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.
Job Summary
The Application Engineering Lead is responsible for designing, building, and owning complex full stack applications and enterprise integrations. This role requires deep technical expertise across .NET, API integrations, databases, and data pipelines, along with strong ownership of production systems, migration activities, and critical cutovers. The role operates with minimal supervision and serves as a key technical decision maker and escalation point.
Application Development & Integrations
- Lead the design and implementation of
API integrations
using
REST, JSON
, and industry standard authentication mechanisms (OAuth2, JWT, API keys, etc.).
- Lead the design and Implementation of Front end applications using Angular/HTML/Typescript
- Build and maintain
robust, secure, and scalable integrations
with structured error handling, logging, and retry mechanisms.
- Design and implement
reverse and batch integrations
across internal and external systems.
- Act as the
technical authority
for complex integration patterns, data flows, and migration solutions.
Database & Data Engineering
- Design and develop
SQL Server solutions
, including complex queries, stored procedures, performance tuning, and indexing strategies.
- Perform
production data fixes
with strong governance, validation, and audit controls.
- Implement and manage
ETL and data pipelines using Azure Data Factory (ADF) and/or SSIS
.
- Handle
large scale, high volume data processing
, ensuring data accuracy, reconciliation, and integrity across systems.
Production Ownership & Reliability
- Own
end to end accountability
for critical production systems and integrations.
- Lead
production issue triage, root cause analysis, and remediation,
maintaining composure and sound judgment during high severity incidents.
- Serve as a
trusted escalation point
during production issues, migration waves, and release cutovers.
- Ensure system stability, observability, and operational readiness across environments.
Leadership & Stakeholder Management
- Operate independently with
minimal guidance
, making informed technical and delivery decisions.
- Act as a
subject matter expert (SME)
for integration and migration initiatives.
- Collaborate effectively with
business stakeholders, architects, and delivery teams
to translate requirements into technical solutions.
- Coordinate across multiple teams during migrations and production cutovers, ensuring aligned execution and clear communication.
- Mentor and guide engineers on integration patterns, coding standards, and operational best practices.
Frontend & UI Engineering (Angular)
•
Strong hands on experience with Angular (version 20+) for enterprise grade web applications.
•
Expertise in TypeScript, HTML5, CSS3, and modern JavaScript (ES6+).
•
Experience designing and implementing component based architectures, reusable modules, and shared UI libraries.
•
Strong understanding of Angular lifecycle hooks, dependency injection, routing, and state management.
•
Experience with RxJS and reactive programming, including observables, subjects, and subscription management.
•
Ability to consume and integrate REST APIs into Angular applications with proper error handling and retry logic.
- Experience implementing authentication and authorization mechanisms on the UI (token handling, role based access, guards).
•
Proficiency in frontend performance optimization, change detection strategies, and lazy loading.
•
Familiarity with responsive design and enterprise UI standards.
•
Core Technology Stack
- Strong hands on experience with
.NET / .NET Core,
C#, and full stack application development.
- Extensive experience with
RESTful API design and integration
, including:
- JSON payloads and schema validation
- Authentication and authorization mechanisms
- Structured error handling and resiliency patterns
Databases & Data Processing
- Advanced expertise in
SQL Server
, including:
- Complex query design
- Stored procedures and performance optimization
- Controlled production data fixes
- Strong understanding of
ETL & Integration Platforms
- Hands on experience with
Azure Data Factory (ADF)
and/or
SSIS
.
- Knowledge of batch processing, scheduling, and dependency management.
- Experience designing
scalable data pipelines
for enterprise integrations.
Supervision Responsibilities
- Direct reports
- Working relationships (daily) with EY ITSD and AMS Lead
- Working relationships (daily) with TCS AMS team
- Liaison to the Business for that Portfolio / App
Experience
- 6+ years of experience in
application engineering / full stack development,
with significant exposure to enterprise integrations.
- Prior experience in
lead or senior technical roles
with ownership of production systems.
- Experience supporting
large migrations, platform transitions, or enterprise cutovers
is highly desirable.
EY | Building a better working world
EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.
Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.
Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.
Not included in the source posting: benefits.
Skills
uiangularnetrest-apiazureetlsqltypescriptcjavascripthtml
Who can apply
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