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Senior .NET developer
Job in
Jersey City, Hudson County, New Jersey, 07302, USA
Listed on 2026-03-05
Listing for:
AceStack
Full Time
position Listed on 2026-03-05
Job specializations:
-
Software Development
Senior Developer, Backend Developer
Job Description & How to Apply Below
Job role -
Senior .NET developer
.
Location -
Jersey City NJ , Charlotte NC , Addison TX .
Experience - 8 to 10 years of experience
JD
Must Have Technical/Functional Skills
Primary Skill: .NET Framework 8, .NET Core 8, SQL Server, Rest APIs
Secondary: UI - Cockroach DB, Kafka
Experience: Minimum 10 years
Roles & Responsibilities
Job Description - Senior .NET Developer
Overview
- We are looking for a highly skilled Senior .NET Developer to support a major application modernization program involving the migration of existing systems from .NET Framework 4.8 to .NET Core 8 and a database transition from SQL Server to Cockroach
DB. The ideal candidate will have hands-on experience modernizing enterprise applications, refactoring legacy components, and implementing scalable services.
- Lead the modernization of applications from .NET Framework 4.8 to .NET Core 8, ensuring improved performance, security, and maintainability.
- Design and develop RESTful Web APIs using .NET Core 8
- Participate in and contribute to the migration of SQL Server workloads to Cockroach
DB, including schema transformation, data migration, and performance tuning. - Refactor legacy code, introduce best practices, and drive engineering standards across the team.
- Collaborate with architects, database engineers, and Dev Ops teams to ensure seamless modernization.
- Troubleshoot production and lower-environment issues related to APIs, services, and database integrations.
- Participate in Agile ceremonies, code reviews, and technical discussions.
- Document technical workflows, architectural components, and migration steps.
- Strong experience with .NET Framework 4.8
- Hands-on expertise in .NET Core 6/7/8 (preferably .NET
8) - Solid experience with Web API development
- Strong command of SQL Server, including stored procedures, indexing, query tuning
- Experience upgrading, refactoring, or re-engineering legacy .NET applications
- Experience with Cockroach
DB or any distributed SQL - Messaging experience with Kafka or MQ (IBM MQ, Rabbit
MQ, Active
MQ etc.) - Exposure to distributed systems, microservices, API gateways, or event driven architecture
- Java development experience
- Domain experience in Wealth Management or broader BFSI environments
- Experience working in large-scale modernization / transformation programs
- Familiarity with containerized d eployments (Docker, Kubernetes) and CI/CD pipelines
- Strong problem solving and analytical skills
- Excellent communication and collaboration abilities
- Ability to work in fast paced, multi team environments
- Proactive in identifying risks, blockers, and modernization opportunities
Position Requirements
10+ Years
work experience
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