Remote Software engineer core backend & platform engineering Jobs – 107 Openings This Week

Senior CIAM Software Engineer
Affirm —Remote
- $153,000–$213,000 a year
- Remote
- Azure
- AWS
- APIs
- Employee stock purchase plan
- Dental care
Senior Software Engineer - Python and Data Ecosystem
Clickhouse —Remote
- Remote
- Databases
- SQL
- Software development
- Paid time off
Principal Agentic Engineer (Back-end)
APPLY —Remote
- $170,000–$220,000 a year
- Full-time
- Remote
- English
- JavaScript
- APIs
- Dental care
- Paid time off
Quick apply
Full-Stack Engineer
Xsolla —Remote
- $90,000–$115,000 a year
- Full-time
- Remote
- Azure
- Databases
- AWS
- Dental care
- Paid time off
Quick apply
Staff Backend Software Engineer (Java/Scala)
Lookout Inc —Vancouver, BC
- $130,000–$170,000 a year
- Remote
- Computer Science
- Engineering
- Java
Quick apply
Staff Backend Engineer
Procurify —Vancouver, BC
- $160,000–$190,000 a year
- Full-time
- Remote
- Databases
- AWS
- Analysis skills
- Dental care
- Employee assistance program
Quick apply
Principal Software Engineer, Security
Coalition, Inc. —Toronto, ON
- $183,000–$233,000 a year
- Remote
- APIs
- Communication skills
- Dental care
- Paid time off
Quick apply
Staff Analytics Engineer - CANADA (Remote)
Luxury Presence —Remote
- Full-time
- Remote
- SQL
- Python
- Analytics
Quick apply
Senior Machine Learning Engineer, AI Platform
Mozilla —Remote
- $116,000–$171,000 a year
- On call
- Remote
- Master's degree
- Bachelor's
- Machine learning
- Dental care
- Employee assistance program
14h
Full Stack Developer
Aequilibrium Software Inc. —Remote
- $90,000–$180,000 a year
- Full-time
- Remote
- Azure
- Computer Science
- Engineering
- Dental care
Quick apply
Staff Data Engineer - CANADA (Remote)
Luxury Presence —Remote
- Full-time
- Remote
- Java
- SQL
- AWS
Quick apply
Software Engineer II - Raisely
Velora —Vancouver, BC
- $125,000–$140,000 a year
- Remote
- Azure
- Computer Science
- AWS
- Designated paid holidays
- Disability insurance
Quick apply
Senior Software Engineer, Backend (Infrastructure)
Affirm —Toronto, ON
- $153,000–$213,000 a year
- On call
- Remote
- AWS
- Bachelor's
- Communication skills
- Employee stock purchase plan
- Dental care
8d
Senior Software Engineer
Saris AI —Montréal, QC
- Full-time
- Remote
- AWS
- APIs
- Python
Senior Engineer, Platform
HappyCo —Remote
- Full-time
- Remote
- APIs
Quick apply
QA Engineer
3Pillar —Remote
- $80,000–$100,000 a year
- Remote
- Microsoft Excel
- Computer Science
- DevOps
- Paid time off
5d
Staff Software Engineer - AI Marketing - CANADA (Remote)
Luxury Presence —Remote
- Full-time
- Remote
- AWS
Quick apply
Senior Frontend Engineer
Estateably Inc. —Remote
- Remote
- English
- JavaScript
- Communication skills
- Dental care
- Flexible schedule
Quick apply
Senior AI Software Engineer
EPAM Systems, Inc. —Remote
- Remote
- Azure
- AWS
- Software development
1d
Data Engineer (Canada)
360training —Remote
- Remote
- Azure
- Computer Science
- DevOps
- Dental care
- Paid time off
Quick apply

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Senior CIAM Software Engineer

Affirm -
Remote

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Job details

$153,000–$213,000 a year

Qualifications

CI/CD
Authentication
Kotlin
Azure
Encryption
AWS
Cloud development
Distributed systems
Terraform
GitHub
APIs
Communication skills
Python

Full job description

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

Affirm is building the next generation of customer identity and authentication. This role is a hands-on engineering position inside Information Security, focused on designing and shipping core CIAM capabilities that protect customers and support growth.

You will build and operate backend services that power registration, login, authorization, and account lifecycle flows across B2C and B2B experiences. You will work closely with partner engineering teams and ensure identity features are delivered with strong security fundamentals, reliability, and operational rigor.

What you'll do

Design, build, and operate core CIAM backend services that support customer registration, authentication, authorization, account lifecycle, and profile management for B2C and B2B platforms.
Implement and extend identity standards such as OAuth 2.0, OIDC, SAML, and SCIM in code, ensuring correctness, scalability, and clean integration patterns.
Develop backend APIs and services in Python and Kotlin that expose identity capabilities to web, mobile, and partner applications.
Integrate CIAM platforms with internal systems, including user data stores, messaging, fraud signals, and downstream customer platforms.
Own secure authentication and account flows end to end, including MFA, step-up authentication, device binding, consent, and adaptive authentication logic.
Automate CIAM infrastructure and deployments using Infrastructure as Code and CI/CD pipelines, treating identity as a core platform service.
Monitor, debug, and optimize CIAM services for performance, resilience, and abuse detection in high-scale environments.

What we look for

Strong experience designing and implementing CIAM systems, with deep, hands-on knowledge of OAuth 2.0, OIDC, SAML, and SCIM beyond basic configuration.
5+ years of professional backend software engineering experience
Strong production experience in Python or a similar backend language
Experience designing APIs, automation frameworks, and distributed systems
Hands-on experience building and maintaining CI/CD pipelines
Experience with GitHub-based development workflows and Buildkite or similar build systems
Experience with cloud-native development, preferably AWS
Hands-on experience extending and integrating CIAM platforms such as Okta, Auth0, Ping Identity, ForgeRock, or Azure AD B2C using custom code, hooks, and APIs.
Solid understanding of backend and distributed systems fundamentals, including API design, data modeling, latency, error handling, and observability.
Experience with Infrastructure as Code and automation tools such as Terraform, plus CI/CD pipelines for deploying backend services.
Strong security fundamentals applied through engineering, including access control models, token handling, encryption, MFA, and privacy by design.
Clear communication skills and the ability to work closely with product, frontend, mobile, and security teams while owning backend identity services.
Familiarity with tools such as Cursor and other AI-augmented development environments

Base Pay Grade - N

Equity Grade - Canada 6

Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by Affirm Holdings, Inc. (parent company).

CAN base pay range per year: $153,000 - $213,000

This posting is for an existing vacancy

#LI-Remote

Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.

We're extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include:

Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount

We believe It's On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.

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