Senior Architect: Cloud-Native, API-First & AI-Driven

Resolve Tech Solutions; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

Resolve Tech Solutions is seeking a Senior Application Architect to define and govern architectures across modern frontend (React.js) and Python/FastAPI backend stacks. You will drive API-first, microservices-based designs, align with cloud-native and multi-cloud patterns, and champion security-by-design across AWS and Azure.

You will mentor teams, set architecture standards, and lead modernization efforts including cloud migrations and monolith decomposition, while collaborating with product,

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Extensive experience designing and delivering modern full-stack applications.
• Expert knowledge of React.js architecture, component design, state management, and performance optimization.
• Strong hands‑on experience building backend services in Python, including FastAPI.
• Proven expertise in designing RESTful APIs with proper versioning, validation, and documentation.
• Experience architecting scalable, highly available solutions on AWS and Azure.
• Deep understanding of microservices, asynchronous processing, and event‑driven architectures.
• Demonstrated expertise in authentication, authorization, and identity management (OAuth 2.0, OpenID Connect, JWT).
• Strong understanding of application and API security best practices, including OWASP Top 10.

Responsibilities

• Design end-to-end application architectures spanning frontend, backend, data, and cloud infrastructure layers.
• Define and govern React.js frontend architectures aligned with modern UX, performance, and scalability best practices.
• Architect and guide the implementation of Python-based backend services using FastAPI.
• Design API-first, microservices-based solutions with well-defined contracts, versioning, and documentation.
• Lead architectural decisions for cloud-native, hybrid, and multi-cloud environments across AWS and Azure.
• Embed security-by-design and zero-trust principles into application and API architectures.
• Establish and maintain architecture standards, reference models, and best practices across engineering teams.
• Review solution designs and provide guidance on scalability, performance optimization, and secure implementation.
• Partner closely with product, engineering, DevOps, and security teams to align architecture with business objectives.
• Drive modernization initiatives including monolith decomposition, cloud migration, and platform evolution.
• Vibe Coding expertise: rapid prototyping and creative, iterative development using modern tools.
• Prompt Engineering skills for LLMs and AI-assisted development workflows
• Experience integrating AI/ML or generative AI features into applications
• Familiarity with developer productivity tools and AI copilots
• Other duties as assigned

Skills

React.js architecture

Python

FastAPI

Cloud architectures

AWS

Azure

Microservices

API-first development

Security-by-design

Architecture leadership

OAuth/OpenID/JWT

Education

Bachelor’s degree in CS/Engineering

Job description

Resolve Tech Solutions is seeking a Senior Application Architect to define and govern architectures across modern frontend (React.js) and Python/FastAPI backend stacks. You will drive API-first, microservices-based designs, align with cloud-native and multi-cloud patterns, and champion security-by-design across AWS and Azure.

You will mentor teams, set architecture standards, and lead modernization efforts including cloud migrations and monolith decomposition, while collaborating with product,