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Quality Engineering Intern
DWYER INSTRUMENTS, LLC
San Marcos, CA
- $22 to $30 USD / hour
The Quality Engineering Intern will support continuous improvement initiatives by analyzing inspection processes, improving workflow visibility, and strengthening quality management…
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CW- Manufacturing Engineer I - (E1)
Applied Materials
Austin, TX · Austin
As a Manufacturing Engineer, you are responsible for developing and maintaining methods, operating sequences, and processes in the fabrication of parts, components, subassemblies, and final…
Added 1 min ago
Reliability Manager
West Fraser
Dudley, GA
…adversely affect plant operations. These problems include capacity, quality, cost or regulatory compliance issues. To fulfill this responsibility, the reliability engineer…
Added 2 mins ago
Mechanical Engineer
General Dynamics Mission Systems, Inc
Scottsdale, AZ
As a mechanical engineer for Land and Air Systems, you’ll be a member or lead of a cross functional team responsible for the design and development of Navigation, Communicaitons and Control…
Added 3 mins ago
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Signal Processing Software Engineer
Actalent
Moorestown, NJ
- $43 to $70 USD / hour
Work EnvironmentWork is performed on a long-term, stable defense program supporting advanced missile defense systems, with a strong history of operational use across multiple allied navies.…
Added 3 mins ago
Sr. Robotics Engineer, kuka, ABB, and Fanuc, Biopharma (JP16096)
3 Key Consulting
New Albany, OH
The Senior Robotics Engineer leads the programming, integration, commissioning, and ongoing support of industrial robotic systems. This role provides technical leadership for robotic…
Added 3 mins ago
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Controls Engineer
Actalent
Wixom, MI
- $40 to $48 USD / hour
Job Title: Controls EngineerJob DescriptionThis contract Controls Engineer position supports a critical integration project based out of a shop in Wixom, MI, with eventual installation work…
Added 3 mins ago
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Systems Engineer
Actalent
Richardson, TX
- $55 to $75 USD / hour
Job Title: Systems EngineerJob DescriptionThis Systems Engineer position offers the opportunity to work on cutting-edge aerospace projects and support the full lifecycle of system…
Added 3 mins ago
Quality Engineer
BorgWarner Thermal Systems Inc
Cadillac, MI
The Quality Engineer collaborates in the development and implementation of quality control methodologies to ensure compliance with quality assurance standards, guidelines, and procedures in…
Added 4 mins ago
SI
Software Engineering LMTS/PMTS
Salesforce, Inc.
CA · WA
- $172,500 to $344,700 USD / year
As a Lead Engineer on this team, you'll be working with multiple teams across the platform to design, develop, and deliver solutions that define the publishing experience for Salesforce's…
Added 4 mins ago
Systems Engineer
Salesforce, Inc.
TX · IN
We are hiring for the position of Systems Engineer, Procure To Pay. As a member of the Digital Enterprise Technology Systems Engineering team, the Systems Engineer will specialize in…
Added 4 mins ago
Software Engineer-1
Coinbase
Remote, United States
…flow and self-service APIs. You'll design and build backend systems for stablecoin-based pay-ins, payouts, deposits, and withdrawals, enabling fast, secure, and scalable transfers that…
Added 4 mins ago
Engineer, Software - Lead I
Quest Diagnostics
Secaucus, NJ
Work as part of a small agile team to design and implement new features and technologies. Deliver high-quality, high-performance code in an agile environment. Use, evaluate, and learn…
Added 4 mins ago
Engineer, Software II
Quest Diagnostics
Secaucus, NJ
Working as part of a small, agile team to design and implement new features and technologies. Delivering high-quality, high-performance code in an agile environment. Using, evaluating, and…
Added 4 mins ago
Software Architect
PDI Technologies
Remote, United States
We’re looking for a Software Architect who wants to do more than design systems on a whiteboard. This is a hands-on role for someone who enjoys setting technical direction and writing the…
Added 7 mins ago
Senior Software Development Engineer
CVS Health
Des Moines, IA
The Senior Engineer will be responsible for delivering high-quality web applications, interactive dashboards, and backend integration services through collaboration with our engineering,…
Added 7 mins ago
Director Integrated Grid Operations
SMUD
Sacramento, CA
…agencies, and policymakers to make sound, timely, and high-quality…
Added 7 mins ago
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Chief Critical Infrastructure Engineer - Red Rock, TX
C-Serv
Red Oak, TX
- $140,000 to $155,000 USD / year
Customers of this data center expect 100% uptime. As Chief Critical Infrastructure Engineer, you make that promise real.
Added 7 mins ago
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Software Engineer, Applied AI - Systems
Mercor
San Francisco, CA
- $220,000 to $500,000 USD / year
The Applied AI org builds the systems that turn human expertise into training data for frontier models, task pipelines, expert workflows, evaluation infrastructure, and the services that…
Added 8 mins ago
Service Engineer II
Sherman and Reilly Inc
Chattanooga, TN
The Service Engineer II is an experienced, hands-on engineer who supports the Rental and Service team at Sherman + Reilly, Inc., reporting to the Engineering Manager (Sustaining). This role…
Added 8 mins ago
Electrical Engineer II
Sherman and Reilly Inc
Chattanooga, TN
The Electrical Engineer II is a motivated, hands-on engineer who supports electrical systems on the specialized equipment Sherman + Reilly, Inc. builds for utility and infrastructure…
Added 8 mins ago
Product Data Engineer
Sherman and Reilly Inc
Chattanooga, TN
The Product Data Engineer (PDE) is responsible for the integrity, governance, and lifecycle management of all product-related data within the organization and report to the Program Manager.…
Added 8 mins ago
Senior Quality Assurance Engineer
World Wide Technology
Maryland Heights, MO
World Wide Technology, Inc. has an opportunity available for a Senior Quality Assurance Engineer on the IT Customer Ordering team supporting our eCommerce applications. These applications…
Added 9 mins ago
Senior Linux Infrastructure Engineer - Local to Somerville, MA
Northern Light
Somerville, MA
The systems product teams depend on. GitLab Self-Managed Premium, MariaDB, PostgreSQL, and MongoDB. These are yours at the system level; application and DBA-level tuning stay with the teams…
Added 9 mins ago
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Lead Electrical Engineer
INFICON
East Syracuse, NY
- $120,000 to $145,000 USD / year
We are seeking a versatile Lead Electrical Engineer who thrives at the intersection of hardware, firmware, and AI. This role is designed for a self-starter with an entrepreneurial mindset…

Mercor

Software Engineer, Applied AI - Systems

San Francisco, CA, United States

$220,000 to $500,000 USD / year

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Job details

Pay: $220,000 to $500,000 USD / year
Experience: 2–5 years of professional backend engineering experience building and operating production systems.
Posting language: English
Posted: Nov 9, 2026

Original job description

ABOUT MERCOR

Mercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models. Mercor's APEX benchmark family measures AI's real-world impact on professional work. Mercor Enterprise brings this same infrastructure to Fortune 500 companies: helping companies capture how their best people actually work, translating that expertise directly back into agents.

Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society. Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our San Francisco, NYC, or London offices.

ABOUT THE ROLE

The Applied AI org builds the systems that turn human expertise into training data for frontier models, task pipelines, expert workflows, evaluation infrastructure, and the services that tie them together. We have synthetic pipelines and modular quality control systems that run in unison to generate highest quality tasks and at scale. All of it runs on backend systems that have to stay correct, fast, and observable while the volume behind them grows every month.

As a Software Engineer on Backend Systems, you'll own services in that stack: designing the data models, building the APIs, services, data pipelines that move work through the platform. This is a build role. You'll take a problem that's roughly scoped, make the design calls, ship it to production, and own it afterward.

We're hiring for depth in backend fundamentals rather than any particular domain. If you've built and operated real services, handled the schema migration that couldn't take downtime, found the query that fell over at 10x traffic, designed the retry logic that made a flaky dependency invisible to users, or build a system that recover when things break that's the experience that matters here. You'll work with a talent dense group of engineers who will review your designs and push your thinking, and you'll be expected to grow into owning larger surfaces quickly.

WHAT YOU WILL DO

Design, build, and operate backend services in the Applied AI stack including APIs, data models, background jobs, and the pipelines that connect them.
Own features end to end: scope the problem, write the design, ship the code, instrument it, and keep it healthy in production.
Build and tune high-throughput data and job pipelines: queuing, batching, idempotency, retries, and backpressure.
Make the system fast and reliable by adding failure recovery in pipelines, profile hot spots, Agent token and cost attribution, caching issues, and set latency, error, cost budgets you actually hold to.
Instrument what you ship: observability, metrics, logging, tracing, and alerts that proactively catch problems.
Work on modern cutting edge tools, libraries and frameworks.
Manage and launch 10s of 1000s of containers, sandbox environments, manage resource allocation and system health.
Manage infrastructure as code using Terraform.
Participate in on-call for the systems you own, debug production incidents, and write up what you learn in RCCA.
Write clear design docs and give useful code review, we make technical decisions in writing and expect everyone to take part.
Work directly with product, operations, and research partners to turn ambiguous requirements into systems that ship.

WHAT WE ARE LOOKING FOR

2–5 years of professional backend engineering experience building and operating production systems.
Strong fundamentals in backend engineering: data structures, algorithms, concurrency, and writing code that's clear enough for the next person to change.
Hands-on experience with API design - REST, gRPC, or GraphQL, and an understanding of versioning, contracts, and backward compatibility.
Solid database skills: relational data modeling, indexing, query performance, transactions and isolation, and safe migrations. Familiarity with at least one NoSQL or key-value store and when it's the right choice.
Practical experience with distributed systems basics: queues and event streams, caching, idempotency, rate limiting, and designing for partial failure.
Experience with Data Orchestration and workflow management systems like Airflow, Temporal, Dagster.
Be able to roll your sleeves up and dig deeper into the lower level infrastructure issues container, permissions, logs, traces and find the needle in the haystack.
Experience running services in production: containers, CI/CD, monitoring and alerting, and debugging issues under real traffic.
Comfort with ambiguity you can take a loosely defined problem, ask the right questions, and come back with a plan.
Genuine excitement for agentic development and new technology, fluency with modern AI dev tools (e.g. Claude Code, Cursor, Copilot), and a real passion for writing good code.
Clear written and verbal communication. High ownership, pragmatism, and a bias toward shipping.

NICE TO HAVE

Experience building or integrating with LLM-backed services in production (evaluation, orchestration, or serving).
Familiarity with AI infrastructure providers like Modal, Fireworks, Baseten, Temporal

BENEFITS

Bi-annual performance bonus structure
Generous equity grant vested over 4 years
Up to $15k Relocation bonus
$10K housing bonus (if you live within 0.5 miles of our office)
$1.5K monthly stipend for meals
Free Equinox membership
$200 monthly laundry reimbursement
$200 monthly personal wellness reimbursement
Health, Dental, Vision insurance

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More about this job

Skills

Quality control systems
Data models
Plan resource allocation
Monitor infrastructure
IBM Terraform
Research
API development
GraphQL
Data modelling
NoSQL
Workflow
Apache Airflow
CI/CD
Debugging
Communication skills

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