Frontend Software Engineer

MACHINE LEARNING TECHNOLOGIES LLC; San Jose (CA); On-site; USD 91,000 - 124,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC is seeking a Frontend Software Engineer in San Jose, CA for a 13-month plus extension contract. The role focuses on translating customer requests into persona-driven CUJs, crafting wireframes and prototypes, and delivering modern SPA/SSR frontend with JS/TS.

You will evaluate frameworks (React/Angular/Vue/Alpine/HTMX), implement robust build pipelines, and work with GCP basics, REST/OpenAPI, and secure data handling.

Qualifications

• Ability to translate customer requests into persona-driven CUJs.
• Wireframes/prototyping.
• (Preferred) Strong eye for design.
• (Preferred) Experience with Figma, Tailwind CSS, Material Design.
• Strong, mid-level or higher proficiency in JavaScript and strict TypeScript.
• Ability to pragmatically select frameworks across SPA/SSR (React, Angular/Vue, Alpine, HTMX).
• Command of modern web build pipelines and processes (bundling, transpilation, minification, tree-shaking, lean container builds).
• Experience with GCP platform at a basic level, including projects, IAM, networking and load balancers, IAP, GCS, Cloud Build.
• Component and service/transport abstractions
• Strict contract adherence (REST/OpenAPI, gRPC)
• Runtime schema validation
• SSE / WebSockets for real-time streaming
• Instrumenting client/application distributed tracing, CUJ metrics, and structured logging without exposing PII/PHI
• (Preferred) Hybrid agentic UI workflows (reasoning traces, HITL approvals, graceful fallbacks) when applicable.

Skills

CUJs translation

Wireframes

Design eye

Figma

Tailwind CSS

Material Design

JavaScript

TypeScript

SPA/SSR frameworks

React

Angular

Vue

Alpine

HTMX

Build pipelines

GCP basics

REST/OpenAPI

gRPC

WebSockets

distributed tracing

PII/PHI handling

Hybrid UI workflows (HITL)

Tools

Figma

Tailwind CSS

Material Design

Job description

Job Description

Job Overview

• Job ID: J55001
• Job Title: Frontend Software Engineer
• Location: San Jose, CA
• Duration: 13 Months + Extension
• Domain Exposure: Healthcare
• Client: To Be Discussed Later
• Employment Type: W-2, 1099, C2C
• Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, Other
• Bill Rate: $78/hour (C2C)
• Job Type: W-2, 1099, C2C
• Client: To Be Discussed Later
• Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Technical Skills

• Ability to translate customer requests into persona-driven Critical User Journeys (CUJs)
• Wireframes/prototyping
• (Preferred) Strong eye for design
• (Preferred) Experience with Figma, Tailwind CSS, Material Design
• Strong, mid-level or higher proficiency in JavaScript and strict TypeScript.
• Ability to pragmatically select frameworks across SPA/SSR (React, Angular/Vue, Alpine, HTMX)
• Command of modern web build pipelines and processes (bundling, transpilation, minification, tree-shaking, and lean container builds).
• Experience with GCP platform at a basic level, including proficiency with projects, IAM, networking and load balancers, IAP, GCS, Cloud Build.
• Component and service/transport abstractions
• Strict contract adherence (REST/OpenAPI, gRPC)
• Runtime schema validation
• SSE / WebSockets for real-time streaming
• Instrumenting client/application distributed tracing, CUJ metrics, and structured logging without exposing PII/PHI (Required).
• (Preferred) Hybrid agentic UI workflows (reasoning traces, HITL approvals, graceful fallbacks) when applicable.

Enterprise Security, State & Data Handling

• Enterprise Identity & Access Control
• Experience integrating web apps with enterprise SSO and auth flows (OIDC, OAuth 2.0, SAML, IAP)
• Secure session/token lifecycles (Http Only/Secure cookies, BFF auth patterns)
• Enforcing RBAC/ABAC across routes and views.
• Predictable & Secure State Management
• Architecting clean client and server-cache state (caching, async/concurrency, request cancellation, multi-turn session state)
• Web Security & Compliant Data Handling
• XSS, CSRF, CORS, and CSP defenses (including sanitizing untrusted user or AI/LLM-generated content before rendering)
• Strict PII/PHI and secret hygiene.

Sdlc

• Proven ability to design and engineer to a defined quality tier (PoC, Integrated Prototype, MVP, MLP)
• Skilled in adjusting architecture, testing, and polish/quality commensurate to the target quality level
• Proficiency using GenAI coding agents and developer tools using spec-driven dev model (Product Requirements Document → Technical Design Document → Feature Specs)
• Skilled at balancing leveraging GenAI and applying human touch: e.g. code review, automated CI gates (strict typing, linting, security), and pragmatic, quality-tier-appropriate testing (unit/component tests, deterministic API/transport mocking, and E2E journey tests).

Consulting & Professional Attributes

• Ability to represent the team with authority, defending scope boundaries and clearly explaining complex UX, architectural, and quality-tier trade-offs to customer stakeholders.
• Collaborative Google-partner/customer delivery team execution where we build with the customer, not for the customer; skilled at maintaining transparency, PR review, documentation, UAT alignment, and customer handoff.

Equal Opportunity Employer

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.