Senior .NET Full Stack Engineer (Wealth Management)

NexGen Tech Solutions; Culver City (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

NexGen Tech Solutions is seeking a Solution Architect / Senior Full Stack Engineer for fintech and wealth management initiatives in Culver City, CA. You will design and build scalable, secure applications using C#/.NET, TypeScript, React, and PostgreSQL, with Azure-based deployments and AI-assisted development practices.

The role blends hands-on development with technical leadership, architecture design, and collaboration with business stakeholders.

Qualifications

• Senior full stack engineering or solution architecture experience.
• Hands-on expertise with C#, .NET/ASP.NET Core, and RESTful APIs.
• Strong front-end skills in TypeScript and React.
• Deep knowledge of PostgreSQL data modeling and query optimization.
• Experience deploying apps on Microsoft Azure and cloud architecture.
• Familiarity with AI-first engineering and prompt-based development.

Responsibilities

• Design, develop, and maintain full stack apps using C#/.NET, PostgreSQL, TS, and React.
• Build secure, scalable APIs and integrate with financial platforms.
• Design and deploy cloud solutions on Microsoft Azure.
• Collaborate with product owners to translate fintech requirements into solutions.
• Develop database schemas, queries, and data access patterns in PostgreSQL.
• Contribute to architecture decisions, reviews, automated tests, and CI/CD.
• Use AI-assisted tools and prompt-based workflows, ensuring accuracy and security.
• Mentor engineers and promote sound engineering practices.
• For Solution Architects, lead design and guide implementations across teams.

Skills

C#

.NET/ASP.NET Core

RESTful API development

TypeScript

React

PostgreSQL

Azure

AI-first engineering

CI/CD

Security best practices

Testing

Version control

Tools

Azure Functions

Azure App Service

Azure SQL

PostgreSQL

Job description

Job Title: Solution Architect / Senior Full Stack Engineer – Fintech & Wealth Management

About the Role

We are seeking experienced Solution Architects and Senior Full Stack Engineers to design and build scalable applications for the fintech and wealth management industry. Ideal candidates will bring strong expertise in .NET, PostgreSQL, TypeScript, React, and Microsoft Azure, along with familiarity with AI-first and prompt-based engineering practices.

This opportunity combines hands‑on development with technical leadership, architecture design, and collaboration with business stakeholders.

Key Responsibilities

• Design, develop, and maintain full stack applications using C#/.NET, PostgreSQL, TypeScript, and React.
• Build secure, scalable APIs and integrate applications with financial platforms and third-party services.
• Design and deploy cloud solutions on Microsoft Azure, addressing performance, availability, security, and maintainability.
• Collaborate with product owners and domain experts to translate fintech and wealth management requirements into technical solutions.
• Develop efficient database schemas, queries, and data access patterns in PostgreSQL.
• Contribute to architecture decisions, code reviews, automated testing, and CI/CD practices.
• Use AI-assisted development tools and prompt-based workflows to support coding, testing, documentation, and problem‑solving, while validating outputs for accuracy and security.
• Mentor engineers and promote sound engineering practices.
• For Solution Architect candidates, lead solution design, evaluate technical trade‑offs, and guide implementation across teams.

Required Qualifications

• Proven experience in senior full stack engineering or solution architecture roles.
• Strong hands‑on expertise in C#, .NET/ASP.NET Core, and RESTful API development.
• Proficiency in TypeScript and React for building modern web applications.
• Solid experience with PostgreSQL, relational data modeling, and query optimization.
• Experience developing and deploying applications on Microsoft Azure.
• Relevant experience in fintech or wealth management, with an understanding of financial workflows and sensitive data handling.
• Familiarity with AI‑first engineering, prompt‑based development, and AI coding assistants.
• Strong understanding of application security, testing, version control, and CI/CD.
• Ability to communicate technical decisions clearly and collaborate with technical and business stakeholders.

Preferred Qualifications

• Experience with portfolio management, investment platforms, advisory systems, or related wealth management solutions.
• Experience with distributed systems, microservices, and event‑driven architecture.
• Familiarity with Azure services such as App Service, Azure Functions, Azure SQL alternatives including Azure Database for PostgreSQL, Key Vault, and Azure DevOps.
• Exposure to integrating AI capabilities into enterprise applications.
• Experience leading technical design discussions and mentoring development teams.