Jersey City, New Jersey 07030 Posted February 18th, 2026
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Job Type: Full Time
Job Category: IT
Job Description
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 CockroachDB. The ideal candidate will have hands-on experience modernizing enterprise applications, refactoring legacy components, and implementing scalable services.
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Key Responsibilities
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 CockroachDB, 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 DevOps 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.
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Must Have Skills
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
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Good to Have
Experience with CockroachDB or any distributed SQL
Messaging experience with Kafka or MQ (IBM MQ, RabbitMQ, ActiveMQ etc.)
Exposure to distributed systems, microservices, API gateways, or event driven architecture
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Preferred Qualifications
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
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Soft Skills
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
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Required Skills
CLOUD DEVELOPER
SQL APPLICATION DEVELOPER
