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Posted 4 days ago

Senior Fullstack Engineer

@ Terminal

Canada

Contract
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SIGNALS

Overview

Terminal is hiring a Senior Fullstack Engineer on a contract basis to work on Order.co, an AI-powered procurement platform. The role covers implementing features, refactoring key codebase areas, mentoring teammates, and participating in rotating on-call duties. Candidates need strong Ruby on Rails, PostgreSQL and web security experience.

Responsibilities:

  • Implement new features and refactor key parts of the codebase
  • Review peer code with a security lens
  • Mentor teammates and break down stories
  • Debug production issues and improve observability
  • Participate in rotating on-call duties

Requirements summary:

  • Expertise in Ruby and Ruby on Rails
  • Extensive experience with PostgreSQL and SQL data modeling
  • Experience building secure, scalable APIs
  • Experience with Pipedream or similar automation platforms
  • Familiarity with AWS, infrastructure as code and CI/CD

Tools & skills

Source and dates

Source type not verified · apify-linkedin

Employer posting date
2026-11-09
First seen by our source
2026-11-14
Source record updated
2026-11-14

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Travelair: none · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

FieldValue
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Job description
About Order.co

Order.co is an AI-powered procurement platform that connects purchasing, approvals, payments, and reporting in one intelligent system–so teams can place orders faster, cut manual work, and keep operations running smoothly.

Whether you’re managing one location or 100s, Order.co simplifies the entire procurement-to-payment process. Order.co AI sources the best vendors to deliver an average of 5% cash back on purchases, reduces invoice processing time by over 80%, and flags risks before they disrupt operations. Sync data with QuickBooks Online, NetSuite, Sage Intacct, and more to control spend in real time, close books faster, and forecast with confidence.

Set custom budgets and approvals by user, location, or GL code – without slowing teams down. With AI that learns from your unique buying history and guides every step of the journey, smarter purchasing has never been easier. Brands like Dolce & Gabbana, WeWork, [solidcore], and Hugo Boss rely on Order.co to unlock more float, control purchases at the item level, and realize hard-dollar ROI – unlike any other procurement or spend management platform on the market.

Founded in 2016 and headquartered in New York City, Order.co has raised $70M in funding from industry-leading investors like MIT, Stage 2 Capital, Rally Ventures, 645 Ventures, and more. Order.co has been recognized as a ‘Top 100 Fintech Company’ by The Financial Technology Report, ‘AI Procurement Platform of the Year 2025’ by RetailTech BreakThrough, and listed on Inc. 5000’s ‘Fastest Growing Companies’ for two years.

About The Role

As a Senior Software Engineer, you will employ your technical expertise to help your team implement new features, refactor key parts of the codebase, and improve the overall quality of the product. Along the way you will be challenged to grow professionally and predictably ship code that helps your team achieve business goals.

What You’ll Do

  • Develop deep expertise your team's domain and work productively within it
  • Consistently design code that utilizes design abstractions and encapsulation effectively
  • Write high-quality, well-tested, and maintainable code
  • Apply sound judgment when using AI-generated code ensuring correctness, security, performance, and alignment with existing architecture
  • Effectively communicate peer review feedback to help your peers produce better code
  • Approach all assignments with a security lens, actively look for security vulnerabilities both in the code and when providing peer reviews
  • Review stories critically and ensure theyʼre appropriately broken down, and dependencies are well understood by the team
  • Mentor teammates in an open, respectful, flexible, empathetic manner
  • Effectively debug production issues, identify performance bottlenecks, and improve system observability
  • Participate in rotating on-call duties, including incident management

What You’ll Bring

  • You are motivated by accountability
  • You are results-oriented
  • You love helping people in your team grow and improve
  • Writing tests is an integral part of your development process
  • You know how to design and build software incrementally
  • Collaborating with the people around you to achieve a goal motivates you
  • You are collaborative, open-minded, and looking to continue to develop your craft
  • You are curious and pragmatic about AI-driven backend solutions, applying them where they add real value
  • You understand their strengths, limitations, and appropriate use cases of using AI tools to assist with software development Technical Skills
  • Strong foundation in computer science fundamentals, including data structures, algorithms, and system design
  • Proficient in modern web technologies, including HTML, CSS, and JavaScript frameworks
  • Hands-on experience leveraging AI-assisted development tools to improve code quality, velocity, and reliability
  • Expertise in building production-grade applications and services using Ruby and Ruby on Rails
  • Extensive experience with PostgreSQL and SQL-based data modeling, including query optimization and performance tuning
  • Deep understanding of web application security, observability, and scalable system architecture
  • Proven ability to design, build, and maintain secure, scalable, and well-documented APIs
  • Experience building integrations and automations using Pipedream and similar workflow automation platforms
  • Familiarity with AWS and other cloud platforms, including infrastructure as code and CI/CD pipelines *This job posting exists to fill a vacancy.

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