Senior Software Platform Engineer

ACT Consulting has an immediate need for a Senior Software Platform Engineer role located in San Francisco, CA with our client.


ACT Consulting is a leader in the staffing industry providing candidates on a national basis for contract, contract to hire, and direct hire engagements while maintaining the highest regard for people, integrity, and customer satisfaction.

Our clients are mostly Fortune companies, primarily in the areas of Information Technology, Engineering, Professional, Accounting and Finance.



Please take a moment to review the job description.

If this is something you are interested in, please send a copy of your resume to or contact me directly at --.



Job Title: Senior Software Platform Engineer

Location: Sunnyvale, California

Salary: $, - $,

Job Type: Full-Time



Description:

An AI-native sales platform is being built from first principles to reshape how sales teams operate in modern organizations.

Backed by $M in seed funding, the team is in an active build phase with a deep focus on engineering craft, product quality, and speed of execution.



Why join:

Join a $M seed-funded startup building foundational AI-native infrastructure

High ownership, → product environment

Collaborative and intellectually honest culture

Onsite in Sunnyvale, working with a mission-driven team

Competitive salary and meaningful equity upside

Visa sponsorship and transfers available

Compensation

Base Salary: $, – $,

Equity: Competitive

Visa Sponsorship: Yes (all types, including transfers)

Tech environment

Languages/Frameworks: Python (backend), React,

Cloud: AWS

DevOps: CI/CD tools (unspecified), general devops familiarity

Other: Emphasis on security, scalable APIs, infrastructure ownership

Role summary

Hiring two Senior Software Platform Engineers with a backend-learning full stack focus.

This is a hands-on, high-ownership IC role focused on building SaaS applications from scratch.

Candidates must be strong individual contributors with recent experience building and scaling backend systems in Python, deploying infrastructure on AWS, and shipping production-grade SaaS.

Architect and implement scalable backend APIs and services (Python preferred)

Build and manage infrastructure to support CI/CD and deployment

Own backend decisions and contribute to fullstack features using

Ensure security and data integrity across the platform

Collaborate closely with product and design teams to iterate on features

Must-have qualifications

– years total engineering experience, with recent IC work

Actively coding and making backend technical decisions in the last years

Strong backend-first mindset; deep Python experience required

Experience building and scaling SaaS applications (not just internal tools)

Prior startup experience or elite product company background

Strong CS fundamentals (CS degree or equivalent knowledge)

Familiarity with AWS and devops tools (but not focused on ML or devops roles)

Experience with React and preferred

Currently at or approaching Staff/Tech Lead level or late-Senior stage

Must be on-site days/week in Sunnyvale

Preferred qualifications

Experience as a Founding Engineer or early team member at a VC-backed startup

Proven track record building backend systems in a high-autonomy environment

History of transitioning from senior to staff-level responsibility

Strong product intuition and ability to work independently from vague requirements

Experience designing infrastructure for secure, enterprise-grade systems

Requirements:

– years total engineering experience, with recent IC work

Actively coding and making backend technical decisions in the last years

Strong backend-first mindset; deep Python experience required

Experience building and scaling SaaS applications (not just internal tools)