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Added 1 min ago
TT
Lead Software Engineer, Platform
True Talent Solutions Partners
San Francisco, CA
- $220,000 to $320,000 USD / year
- Own and improve the platform that runs document processing jobs, focusing on speed, reliability, and cost efficiency.
Added 4 mins ago
MP
Process Engineer 1 - Intern to Full-Time Conversion
Marathon Petroleum Corporation
Mandan, ND · Dickinson, ND
- Full-time
…identifies opportunities for improving yield, energy efficiency, and reliability. Assists in plan test runs and develops projects to address opportunities.• Supports collaboration with…
Added 4 mins ago
O
Lead Principal Site Reliability Engineer - (work in Vienna VA location)
Oracle
Bismarck, ND
- $96,300 to $264,100 USD / year
We are seeking a highly motivated Site Reliability Engineer (SRE) to support a strategic customer's cloud platform and mission-critical applications. The SRE will be responsible for…
Added 4 mins ago
Software Engineer, Systems ML
Meta
Bismarck, ND
Meta is seeking a principal-level Software Engineer to drive technical strategy and execution across our Systems ML Engineering organization. In this role, you will define the architectural…
Added 5 mins ago
Site Reliability Engineer
Highmark Health
Bismarck, ND
This job is responsible for the reliability, availability, and performance of critical healthcare IT systems, principally in the Environment of Care (EOC), enabling seamless access to…
Added 12 mins ago
Senior Software Infrastructure Developer
NVIDIA Corporation
North District, IL
Our System Product Engineering team is looking for a SW engineer to design and develop the backend and tooling infrastructure supporting the test and validation of next-generation…
Added 12 mins ago
Senior Software Engineer, NeMo Helix Core Platform
NVIDIA Corporation
ON, CA
We are looking for a Senior Software Engineer to help build NeMo Helix, NVIDIA’s product for developing, evaluating, deploying, and operating AI systems at scale. This role is for a senior…
Added 35 mins ago
Site Reliability Engineer
Highmark Health
Helena, MT
This job is responsible for the reliability, availability, and performance of critical healthcare IT systems, principally in the Environment of Care (EOC), enabling seamless access to…
Added 53 mins ago
MP
Process Engineer 1 - Intern to Full-Time Conversion
Marathon Petroleum Corporation
Catlettsburg, KY
- Full-time
…identifies opportunities for improving yield, energy efficiency, and reliability. Assists in plan test runs and develops projects to address opportunities.• Supports collaboration with…
Added 54 mins ago
Senior Controls Engineer II
Actalent
Erlanger, KY
We are seeking a highly skilled Controls Engineer II to design control systems for industrial material handling solutions. The ideal candidate will be responsible for concepting new ideas,…
Added 54 mins ago
Site Reliability Engineer
Highmark Health
Frankfort, KY
This job is responsible for the reliability, availability, and performance of critical healthcare IT systems, principally in the Environment of Care (EOC), enabling seamless access to…
Added 55 mins ago
O
Lead Principal Site Reliability Engineer
Oracle
Nashville, TN
- $96,300 to $264,100 USD / year
Serves as a consultant and leads the design and architecture of infrastructure and service, ensuring alignment with reliability and functionality standards. Takes full ownership of…
Added 1 hour ago
TT
Senior Control Electronics Engineer
True Talent Solutions Partners
Rio Rancho, NM
- $150,000 to $200,000 USD / year
- Background in flight hardware or other high-reliability systems, such as aerospace, defense, or automotive, and experience in a startup or fast-paced hardware environment.
Added 1 hour ago
TT
Fullstack Software Engineer
True Talent Solutions Partners
San Francisco, CA
- $160,000 to $200,000 USD / year
- Own platform architecture, data models, APIs, security, compliance, reliability, and production systems.
Added 1 hour ago
Site Reliability Engineer
Highmark Health
Augusta, ME
This job is responsible for the reliability, availability, and performance of critical healthcare IT systems, principally in the Environment of Care (EOC), enabling seamless access to…
Added 1 hour ago
Radiation Systems Engineer - Level 3 or 4 (AHT)
Northrop Grumman
Redondo Beach, CA · Redondo Beach
Northrop Grumman’s Space Systems Sector is seeking a Radiation Systems Engineer – Level 3 or 4 to join our team in Redondo Beach, CA. This position can be filled at either Level 3 Principal…
Added 1 hour ago
Industrial Maintenance Reliability Tech
Sonoco Protective Solutions, Inc.
Bellbrook, OH
Position: Industrial Maintenance Reliability Tech Location: Beavercreek, OH Pay Range: $31.80 - $39.87 ($0.75 shift differential for 2nd) Shift: 2nd 2nd: 3pm -11pm From a small family…
Added 1 hour ago
TT
Founding AI Engineer
True Talent Solutions Partners
New York, NY
- $200,000 to $250,000 USD / year
Join an early-stage B2B SaaS team as its founding AI engineer, building the core of a real-time voice agent that conducts sales conversations, demonstrates products in a browser, and…
Added 1 hour ago
TT
Frontend Engineer
True Talent Solutions Partners
New York, NY
- $185,000 to $300,000 USD / year
- Improve application speed and reliability through performance optimization and caching strategies.
Added 1 hour ago
Design Engineer III
REXNORD INDUSTRIES LLC
Troy, OH
…up to 2 days, including Friday. ____________________ Design Engineer III (Mechanical) reports to the Power Efficiency Solutions Senior Manager of Mechanical Engineering and Shared Lab…
Added 1 hour ago
Enterprise Solutions Engineer
Wright-Patt Credit Union Inc.
Beavercreek, OH
The Enterprise Solutions Engineer is a senior individual contributor responsible for translating enterprise architecture direction into working technical capabilities, reusable engineering…
Added 1 hour ago
MP
Process Engineer 1 - Intern to Full-Time Conversion
Marathon Petroleum Corporation
Findlay, OH · Canton, OH
- Full-time
…identifies opportunities for improving yield, energy efficiency, and reliability. Assists in plan test runs and develops projects to address opportunities.• Supports collaboration with…
Added 1 hour ago
Digital Technology Architect - Innovation & Digital Enablement Platform - Akron FirstEnergy Headquarters
FirstEnergy
Akron, OH
FirstEnergy (NYSE: FE) is dedicated to safety, reliability and operational excellence. Headquartered in Akron, Ohio, FirstEnergy includes one of the nation's largest investor-owned electric…
Added 1 hour ago
Cyber Security Systems Administrator - Cyber Security & TSOC - Akron FirstEnergy Headquarters
FirstEnergy
Akron, OH
FirstEnergy (NYSE: FE) is dedicated to safety, reliability, and operational excellence. Headquartered in Akron, Ohio, FirstEnergy includes one of the nation's largest investor-owned…
Added 1 hour ago
Supervisor OT Network Security - Cyber Security & TSOC
FirstEnergy
Akron, OH
FirstEnergy (NYSE: FE) is dedicated to safety, reliability, and operational excellence. Headquartered in Akron, Ohio, FirstEnergy includes one of the nation's largest investor-owned…

Closed listing

Affirm

Senior Software Engineer, Backend (AI Platform)

Remote, United States

$195,000 to $255,000 USD / year

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: $195,000 to $255,000 USD / year
Experience: You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
Posting language: English
Posted: Oct 30, 2026

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Original job description

Archived listing. The details below describe a past opening.

At Affirm, we exist for the moments that matter - giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

Affirm's engineering team is building a large-scale, fault-tolerant, and global infrastructure that is shared across multiple financial products, merchants, and vendors. Ensuring that our infrastructure is transparently available to all engineers is critical to the success of the business. We pride ourselves on our culture across engineering of writing blameless postmortems as well as writing detailed tech specs and gathering feedback before large changes to systems.

The AI Platform team owns Affirm's paved path for building, running, evaluating, and governing AI systems. Our customers are not only Affirm users, but also every engineer and a growing set of production workloads at Affirm. As a team, we are responsible for building and exposing simple, governed interfaces to models, tools, and agents, with identity, cost attribution, reliability, and security built in. Examples of components we own include the LLM Gateway that fronts every approved model (Claude, ChatGPT, and open-weight models across AWS Bedrock and other providers), the MCP Gateway that mediates and audits tool calls, the Agent Runtime that gives agentic workloads bounded execution, and the evals and observability layer that tells teams whether an AI change is better, cheaper, or safe to ship. We are early: the gateway is in daily use across engineering, the first production agent is live, and the next year takes us from developer productivity to production inference and agents.

What You'll Do

Plan, execute, and own technical decisions and projects within the AI Platform team, from design through launch and on-call.
Design and build the gateway, runtime, and evaluation services that take AI workloads at Affirm from pilot to production, securely scaling across millions of users and their transactions.
Make AI spend attributable and governable: build the identity, quota, routing, caching, and failover controls that let teams adopt new models and tools without re-solving the same platform problems.
Partner with security, infrastructure, and product engineering teams to set the guardrails for agentic workloads and the on-behalf-of identity model for tool access.
Create and monitor metrics for your team's systems, and own the operational health of what you ship: monitoring, alerting, runbooks, and on-call.
Set and improve code review and design standards, and advocate for them beyond your team through writing and tech talks.
Use AI tools and agentic workflows every day as a multiplier for your own code, design review, and operations, and push the team on what a small AI-native team can deliver.
Educate, mentor, and grow engineers in the team, and drive best practices around design, coding, and testing.

What We Look For

You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes.
You have practical experience building with LLMs, agents, or AI frameworks in production: inference APIs, LLM gateways (LiteLLM or similar), MCP, tool calling, evals, or agent runtimes.
You understand AI usage and the infrastructure needed to support and leverage AI workloads across different disciplines.
You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others.
You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely.
Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders.
You have strong verbal and written communication skills that support effective collaboration with our global engineering team.
This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Pay Grade - N Equity Grade - 9

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 equity rewards, monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.)

USA base pay range (CA, WA, NY, NJ, CT) per year: $195,000 - 255,000

USA base pay range (all other U.S. states) per year: $173,000-233,000

Remote-first with flexibility built in Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.

Benefits designed for you Our benefits reflect our commitment to care, transparency, and flexibility. Here are a few highlights:

Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy Affirm stock at a discount.

We’re committed to providing an inclusive interview process, including accommodations for candidates with disabilities. If you need support, we’re happy to help.

For positions based in San Francisco or Los Angeles: Affirm considers qualified applicants with arrest and conviction records, as required by law.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.

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Skills

AWS
Python
Kotlin
MySQL
Kubernetes
Communication skills
Collaboration
Onboarding

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