Senior Solution Architect Cloud & Data Platforms

Ethereum Technologies LLC; San Francisco (CA); On-site; USD 137,760 - 192,864; Full time

Job summary

A leading technology firm in San Francisco is seeking an experienced architect to lead the development of high-traffic web applications. Responsibilities include designing scalable microservices and event-driven architectures using Node.js and React.js. The role requires a strong understanding of PostgreSQL and AWS services to optimize application performance and ensure security compliance. Ideal candidates will have a proven track record in technical leadership and mentoring teams in a fast-paced environment.

Qualifications

• Experience with architecture for high-traffic applications.
• Strong understanding of security best practices.
• Ability to mentor and guide engineering teams.

Responsibilities

• Lead architecture for web applications.
• Design scalable microservices-based solutions.
• Ensure system reliability and performance.

Skills

Node.js

React.js

PostgreSQL

AWS Services

Microservices

Tools

GraphQL

Redis

Docker

Job description

Overview

Location:

Duration:

24Months+ Extension

Hourly Rate:

Depending on Experience (DOE)

Work Authorization:

Responsibilities

• Lead endtoend architecture for hightraffic, customer-facing web applications.
• Design scalable microservices-based and event-driven architectures using Node.js, REST APIs, and GraphQL.
• Architect single-page applications (SPA) using React.js, modular component design, and optimized client-side performance.
• Define relational and non-relational data models optimized for high-volume OLTP transactions on PostgreSQL.
• Create architecture blueprints covering application layers, data flows, integration, observability, and deployment topology.

Cloud Architecture on AWS

• Design distributed, fault-tolerant, and secure solutions using key AWS services:
• VPC, Subnets, NACLs, Security Groups for network isolation
• ALB/NLB, Auto Scaling, ECS/EKS, Lambda for compute
• RDS PostgreSQL, Aurora, ElastiCache for data
• Ensure reliability, scalability, and high availability for systems processing large transaction volumes.
• Review and optimize cloud costs, architecture fitness, and performance.

Application Performance & Scalability

• Design solutions with builtin load balancing, auto-scaling, queueing, caching, and failover patterns.
• Architect for low latency, high throughput, and predictable system behavior under peak load.
• Ensure appropriate use of CDN, caching layers (Redis/Memcached), and async processing.

Security & Compliance

• Own the security architecture across application, data, and network layers:
• Data encryption in transit & rest
• Secure VPC patterns
• Work with InfoSec teams on threat modeling, vulnerability resolution, and cloud security posture.

Technical Leadership

• Guide engineering teams on architecture patterns, design reviews, best practices, and code quality.
• Collaborate with product owners, UX, DevOps, and QA to ensure cohesive delivery.
• Mentor developers and junior architects; evangelize modern engineering and cloud-native principles.

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract