Senior Platform Engineer
$200,000 USD/year Pay is set based on global value, not the local market. Most roles = hourly rate x 40 hrs x 50 weeks 

Worldwide
Fully-remote
full-time (40 hrs/week)
Flexible schedule
Long-term role

Senior Platform Engineer   $200,000 USD/year

Description

We are seeking Platform Architects to establish the foundational systems upon which other engineering teams construct their solutions. Your work will center on platform-tier products where the API contracts you define, the architectural patterns you establish, and the technical documentation you produce will determine how numerous teams approach development.

Platform products in scope:

  • TimeBack: Educational platform that enables Alpha School's 2-hour learning methodology (99th percentile test outcomes)
  • Incept: Content generation infrastructure producing tailored educational materials across multiple learning systems
  • Crossover: AI-driven recruitment platform handling tens of thousands of candidate applications each month
  • This position emphasizes design: 50% producing specifications, API definitions, and architectural decisions; 30% building sophisticated platform capabilities; 20% code review and technical guidance. You hold technical authority on architectural choices. Once team alignment is achieved, your specifications become binding.

Lean team of capable engineers, direct ownership, minimal process overhead. You architect it, you implement it, you maintain it.

What you will be doing

  • Producing technical specifications prior to development
  • Creating APIs designed for backward compatibility and future extension
  • Authoring Important Technical Decisions (ITDs) complete with supporting rationale
  • Implementing sophisticated platform components
  • Conducting PR reviews to ensure architectural alignment

What you will NOT be doing

  • Extensive people management or team leadership duties
  • Development on straightforward application-layer products
  • Attending continuous rounds of meetings
  • Purely theoretical architecture without hands-on coding

Candidate requirements

  • Minimum 5 years of professional software engineering experience
  • Minimum 2 years architecting systems where external teams integrated your APIs or relied on your architectural frameworks
  • Demonstrated history of authoring technical specifications or architectural decisions that guided implementation by others
  • Practical experience incorporating AI tools into development processes

Meet a successful candidate

Watch Interview
Fabiano Lucchese
Fabiano  |  SVP of Software Engineering
Brazil

Does your company encourage your natural creativity? This Brazilian engineering leader rediscovered his purpose after unleashing both his an...

Meet Fabiano

Applying for a role? Here’s what to expect.

Crossover's skill assessment process combines innovative AI power with decades of human research, to take the guesswork, human bias, and pointless filters out of recruiting high-performing teams.

Chat-style
screening interview.
STEP 1

Chat-style
screening interview.

Cognitive 
aptitude test.
STEP 2

Cognitive 
aptitude test.

Prove real-world 
job skills.
STEP 3

Prove real-world 
job skills.

Interview with the hiring manager.
STEP 4

Interview with the hiring manager.

Pass
proctored test.
STEP 5

Pass
proctored test.

Accept job offer.
STEP 6

Accept job offer.

Frequently asked questions

About Crossover

Meet some people who've landed similar jobs

Why Crossover

Recruitment sucks. So we’re fixing it.

The Olympics of work

The Olympics of work

It’s super hard to qualify—extreme quality standards ensure every single team member is at the top of their game.

Premium pay for premium talent

Premium pay for premium talent

Over 50% of new hires double or triple their previous pay. Why? Because that’s what the best person in the world is worth.

Shortlist by skills, not bias

Shortlist by skills, not bias

We don’t care where you went to school, what color your hair is, or whether we can pronounce your name. Just prove you’ve got the skills.

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