Senior Back End Software Engineer

This listing is synced directly from the company ATS.

Role Overview

As a Senior Back End Software Engineer at Mosey, you will build tools and automation for employment compliance, integrate APIs, design new features, and set up infrastructure from scratch. This senior-level role involves close collaboration with the founding team to develop prototypes and MVPs, focusing on solving novel problems to help companies hire and operate remotely without administrative burdens.

Perks & Benefits

This role is fully remote within the continental US and Canada, with competitive compensation including equity, health insurance fully covered by Mosey, 3 weeks of vacation, and 8 paid holidays. The company fosters a supportive, ambitious culture that values knowledge, writing, and warmth, offering opportunities for career growth in a fast-paced startup environment.

⚠️ This job was posted over 3 months ago and may no longer be open. We recommend checking the company's site for the latest status.

Full Job Description

About Mosey

Mosey makes employment compliance a breeze so fast-growing companies can hire and operate anywhere—without the administrative burden.

What's so hard about hiring people in multiple locations anyway?

Each country, state, and municipality has its own employment requirements that need to be maintained on an ongoing basis. Those requirements span HR, tax, accounting, and legal which is complicated and requires deep expertise. As a result, keeping up with the differences and the sheer volume of obligations makes hiring people in many locations expensive and painful.

You will

  • Build tools and automation that helps users manage employment compliance

  • Integrate APIs and build data pipelines

  • Build API endpoints to support applications and partners

  • Design, implement and iterate new features from scratch

  • Help synthesize user feedback and use it to inform future development

  • Lay the groundwork for future engineering and product development

  • Set up initial infrastructure and continuous integration workflows

  • Work closely with the founder and founding team to build prototypes and MVPs

We're looking for someone with

  • 5+ years of hands-on experience as a software engineer

  • Strong collaboration skills and excellent communication (written and verbal)

  • A combination of technical ability and a deep understanding of what makes a great product

  • Ability to solve novel problems and think critically about the best solutions

You would be a good fit if

  • You want your work to have a positive impact and create economic opportunity

  • You have experience working at a startup or led a new project from scratch

  • You have expertise in Python, Postgres, SQLAlchemy, FastApi, and mypy

  • You are excited about the opportunity to learn new things and go beyond engineering

  • You embody urgency and focus, but also have an exacting standard of quality

  • You like to build systems and processes from the ground up

The compensation range for this position is between $150,000 and $195,000 (plus equity) depending on experience.

Our operating principles:

Pursue knowledge

Lead with curiosity, reject bad explanations, and create objective knowledge with a tradition of conjecture and criticism.

Writing is thinking

Many seemingly good ideas don’t survive closer inspection when written down. That doesn’t mean you shouldn’t try, it’s precisely why you should.

Exude warmth

Build a working environment that is welcoming and supportive. Others will want to gather around you.

Be ambitious

We can do more than we think with imagination and resolve. Solving important problems requires it.

Our benefits (for FTE, not applicable for contractors):

  • Competitive compensation with material equity ownership

  • Health insurance including medical, dental, and vision

  • Mosey pays 100% of your employee premium

  • 3 weeks vacation

  • 8 Paid Company Holidays

  • Paid Family Leave

  • Opportunity to join a diverse, passionate, and fun team at a pivotal time in the company’s lifecycle

  • Remote first (continental US & Canada)


We look forward to hearing from you!

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