Sr Full Stack Application Developer

Kellton; New York (NY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Kellton is seeking an experienced Senior Full Stack Application Developer for a full-time hybrid role in NYC. The team builds enterprise-grade applications for investment management with Angular, .NET, and Microsoft technologies to support portfolio managers, analysts, and other investment professionals.

The role emphasizes designing and delivering scalable REST APIs, modern UIs, and AI-powered capabilities, leveraging cloud platforms like Azure and Power Platform.

Qualifications

• Bachelor's degree in Computer Science, IT, or related field.
• 5-10 years of professional enterprise web app development.
• Strong experience with Angular 16+, C#, .NET 6+/Core, ASP.NET Core REST APIs.
• Proficient in HTML5, CSS3, JavaScript, and TypeScript.
• Strong SQL skills with Oracle and/or SQL Server.
• Experience integrating REST APIs and enterprise integrations.
• Experience with Power BI and Power Automate.
• Some AI-enabled app experience (LLMs, RAG, AI agents).

Responsibilities

• Design, develop, test, and support enterprise web applications using Angular, .NET, and Microsoft technologies.
• Collaborate with Portfolio Managers, Research Analysts, and business stakeholders to understand requirements and deliver solutions.
• Develop modern, responsive UIs and scalable REST APIs.
• Design and optimize database objects and SQL queries.
• Build AI-powered capabilities into business applications, including intelligent search, document intelligence, workflow automation, and other emerging AI experiences.
• Leverage Microsoft Fabric, Power Platform, and cloud services to improve workflows and investment decision-making.
• Participate in architecture reviews, testing, deployment, and production support.
• Contribute to technical standards and continuously identify opportunities to improve application quality, performance, and maintainability.

Skills

Angular 16+

C#

REST APIs

Entity Framework Core

HTML5/CSS3/JavaScript/TypeScript

SQL

Education

Bachelor's degree in Computer Science, IT, or related field

Tools

ASP.NET Core REST APIs

Power BI

Power Automate

Microsoft Fabric

Azure

Azure OpenAI

Job description

Hi- Our Investment Mgmt. client is looking for Sr Full Stack Application developer- Fulltime role.

Fulltime/ Permanent placement with the client
Competitive Base Salary + Bonus and Excellent Benefits
NYC - Hybrid

Please note that visa sponsorship is not available for this position at this time.

Global investment management firm with over $200 billion in Assets under Management spanning across a range of various equity and fixed income investment strategies.
We are looking for an experienced Full Stack Application Developer to join our Front Office Technology team. This role will help design, develop, and enhance modern applications that support Portfolio Managers, Research Analysts, Sales & Distribution, Marketing, and other investment professionals. Our team is building the next generation of investment technology by leveraging Microsoft Fabric, AI, Power Platform, and modern cloud technologies. We are developing AI-powered solutions that transform how investment professionals discover research, analyze data, generate insights, and make investment decisions.

Your responsibilities

• Design, develop, test, and support enterprise web applications using Angular, .NET, and Microsoft technologies.
• Partner directly with Portfolio Managers, Research Analysts, and business stakeholders to understand requirements and deliver innovative solutions.
• Develop modern, responsive user interfaces and scalable REST APIs.
• Design and optimize database objects, SQL queries, and application integrations.
• Build and integrate AI-powered capabilities into business applications, including intelligent search, conversational interfaces, document intelligence, workflow automation, and other emerging AI experiences.
• Develop solutions that leverage Microsoft Fabric, Power Platform, enterprise data, and cloud services to improve business workflows and investment decision-making.
• Participate in architecture, design, code reviews, testing, deployment, and production support.
• Contribute to technical standards and continuously identify opportunities to improve application quality, performance, and maintainability.

Your required skills must include

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 5-10 years of professional experience developing enterprise web applications.
• Strong experience with:
  • Angular 16+
  • C#
  • .NET 6+ / .NET Core
  • ASP.NET Core REST APIs
  • Entity Framework Core
  • HTML5, CSS3, JavaScript, and TypeScript
• Strong SQL development skills using Oracle and/or SQL Server.
• Experience integrating enterprise applications using REST APIs, messaging, or other integration technologies.
• Experience with Power BI and Power Automate.
• Some experience integrating AI-enabled applications or services. This may include Generative AI, Large Language Models (LLMs), intelligent search, Retrieval-Augmented Generation (RAG), AI agents, document intelligence, or conversational AI.

Preferred Qualifications

• Experience with Microsoft Fabric, Azure, Azure AI Services, Azure OpenAI, Microsoft Copilot Studio, or similar cloud platforms.
• Experience supporting investment management, capital markets, or financial services applications.
• Experience building AI-powered user experiences that improve productivity, automate workflows, or surface business insights.