Haystack
← Back to Jobs
Remote
Technology

Sr. Web Application Developer ( hybrid to start & remote later )

Protos ITIndianapolis, IN🇺🇸United StatesPosted 23 Jul 2026

Why This Role Stands Out

This Senior Web Application Developer role offers you the chance to lead technical innovation, shaping AI-enabled solutions with significant client impact and a path to full remote work. You'll thrive here if you have extensive full-stack experience with .NET/C# and modern JavaScript frameworks, eager to integrate cutting-edge AI/ML technologies. Apply now to leverage your expertise and grow within a forward-thinking technology company.

Quick Overview

Work Type
Remote
Level
Mid Senior

Job Description

 


Title: Senior Web Application Developer
location: Indianapolis, IN
duration: 6 months, extension
security clearance: Public trust

Key skills: ( .net/c#, javascript/angular/react/vue, sql/tsql, aws/azure, AI/ML/LLM, nodejs/python, restful/api, ci/cd/devsecops/devops, ui/ux, performance/security/quality)

Note:

1) The position is hybrid and will be in office 2 to 3 days a week to start. Candidates can go remote once the team feels like they are settled in.

2) Candidates will be able to start without the Public Trust in roughly a 2 week turn around (depending on when paperwork is completed for compliance).

Bachelor s or Master s degree in Computer Science or Information Technology, or related field.
8+ years of professional experience in web application development with a strong proficiency in .NET/C# and JavaScript frameworks like React, Angular, or Vue.js

Senior Web Application Developer to serve as a technical leader, client liaison, and AI-enabled solutions engineer. This role requires a well-rounded full-stack background across modern web technologies, including but not limited to .NET/C#, JavaScript frameworks, cloud-native architectures, and emerging AI/ML integrations.
The ideal candidate brings 8+ years of experience building scalable web applications, combined with hands-on experience incorporating AI/ML capabilities (e.g., generative AI, APIs, or data-driven models) into production systems. This individual will act as a trusted advisor to clients, shaping technical direction while leading engineering teams to deliver innovative, secure, and high-performing solutions. Primary

Responsibilities::-- 
Full-Stack Architecture & Technical Leadership::--
Lead the architecture, design, and development of modern web applications across a diverse technology stack, including .NET/C#, Node.js, and front-end frameworks (React, Angular, Vue).
Design and implement scalable, cloud-native solutions using microservices and serverless architectures.
Establish and enforce engineering best practices, coding standards, and architectural patterns across teams.

AI/ML Integration & Intelligent Solutions::--
Design and implement AI-enabled application features, such as:
Integration with LLMs and AI APIs (e.g., Azure OpenAI, AWS Bedrock, or similar platforms)
Intelligent search, summarization, recommendation systems, or automation workflows
Collaborate with stakeholders to identify opportunities where AI can enhance user experience, decision-making, or operational efficiency.
Ensure responsible and secure use of AI technologies, including data privacy, governance, and model evaluation.

Client Engagement & Technical Strategy::--
Serve as a primary technical interface to clients, translating business needs into scalable technical solutions.
Lead solutioning sessions, architecture discussions, and technical briefings with stakeholders.
Provide strategic guidance on modern web technologies, cloud adoption, and AI integration.
Build strong client relationships as a trusted technical advisor. Advanced Web Application & API Development
Oversee development of secure, high-performance web applications and RESTful APIs.
Ensure interoperability and cross-platform integration across systems.
Drive best practices in API design, versioning, and performance optimization.

Cloud & DevOps Enablement::--
Architect and deploy applications in AWS and Azure, leveraging serverless and containerized services.
Lead CI/CD pipeline implementation and DevSecOps practices.
Optimize systems for scalability, reliability, and cost efficiency in cloud environments.
Team Leadership & Mentorship::::--
Mentor developers across multiple technology stacks, not limited to .NET.
Lead code reviews, architecture reviews, and technical decision-making.
Foster a culture of innovation, continuous learning, and engineering excellence.
Security, Performance & Quality
Ensure applications meet modern security standards, including secure API design and cloud security best practices.
Implement comprehensive testing strategies and performance monitoring.
Continuously improve system resilience, scalability, and maintainability.

UI/UX & Modern Web Practices::--
Collaborate with UI/UX teams to deliver responsive, accessible, and user-centric applications.
Drive adoption of modern front-end architecture and performance optimization techniques.
Innovation & Continuous Improvement
Stay current with emerging web and AI technologies, evaluating their applicability to client missions.
Introduce new tools, frameworks, and AI capabilities to improve delivery and innovation. Basic

Qualifications::--
Bachelor s or Master s degree in Computer Science, Information Technology, or related field (or equivalent experience).
8+ years of experience in full-stack web application development, including .NET/C# and modern JavaScript frameworks.
Demonstrated experience working across multiple web technologies beyond .NET (e.g., Node.js, Python, or similar).
Strong hands-on experience with T-SQL, including writing and optimizing SQL queries, stored procedures, triggers, functions, and other database objects.
Demonstrated commitment to built-in quality, including developing reliable, maintainable, and well-tested solutions that meet performance, security, and coding standards.
Ability to follow development best practices, conduct code reviews, troubleshoot issues, and ensure deliverables meet quality expectations throughout the development lifecycle.
Hands-on experience integrating or developing AI/ML capabilities, such as:
Working with AI APIs (Azure OpenAI, AWS Bedrock, etc.)
Implementing data-driven or intelligent application features
Strong experience with AWS and/or Azure cloud platforms, including serverless architectures.
Deep understanding of web architecture, microservices, and RESTful API design.
Experience with SQL and NoSQL databases.
Proven ability to lead teams and engage directly with clients.
Strong communication skills with the ability to bridge business needs and technical solutions.
Knowledge of secure application development and cloud security practices.

Preferred Qualifications::--
Certifications in AWS, Azure, or AI/ML-related technologies.
Experience building or integrating generative AI solutions in production environments.
Familiarity with Python for AI/ML workflows.
Experience with DevSecOps, CI/CD pipelines, and automation tools.
Prior experience in client-facing technical leadership roles within complex or mission-driven environments. tools.

Skills

Microservices
Node.js
SQL
T-SQL
AWS
Angular
Azure
C#
.NET
Generative AI
JavaScript
LLM
Python
React
Vue

Similar jobs