Backend Engineer - AI Trainer
AfterQuery
AfterQuery empowers foundational AI labs, enterprises, and startups by providing high-quality human-generated datasets that are essential for fine-tuning more capable, refined, and reliable AI systems. We are on the forefront of creating the world's most complex data infrastructure to capture the useful data for our major clients. We have raised our most recent round from BoxGroup, YC and a group of strategic angels that will push us to be at the forefront of the industry. We're seeking a Full Stack Engineer to build diverse, production-quality applications that will serve as training examples for AI models. You'll create complete, functional end-to-end applications across various domains and use cases - each application you build becomes part of our AI training dataset. Your work will involve developing a wide range of software solutions that demonstrate different architectural patterns, features, and implementations. Responsibilities Design and develop complete, production-quality applications from scratch across various business domains and use cases using Next.js, Redis, and SQL databases Build diverse application types including dashboards, management systems, workflow tools, and data-driven platforms that demonstrate different feature sets and architectural patterns Implement comprehensive functionality in each application including user authentication, data management, real-time features, reporting, and complex business logic Required Qualifications Strong proficiency in Next.js for building modern, performant frontend applications with server-side rendering and API routes Experience with Redis for caching, session management, and real-time data handling to optimize application performance Solid experience designing and working with SQL databases (PostgreSQL, MySQL, or similar) including schema design, queries, relationships, and optimization Ability to architect full stack applications that effectively leverage Next.js, Redis, and SQL databases together in production environments Experience implementing efficient data flows between frontend, caching layer, and database to ensure responsive user experiences Retry Experience with Tailwind CSS for rapidly building responsive, custom user interfaces with utility-first styling 5+ years of experience as a software engineer About AfterQuery AfterQuery is a research lab investigating the boundaries of artificial intelligence through novel datasets and experimentation. We believe great AI comes from exceptional, human-generated data. We're backed by top investors, including Y Combinator and Box Group, and support all leading AI labs. #J-18808-Ljbffr AfterQuery
- ...team that runs it. This is a high-impact engineering role with meaningful equity, real ownership... ...do Set the architecture. Own how our backend fleet and data pipeline fit together, and... ..., Python and Airflow. Fluent with AI-assisted engineering workflows — you get...Suggested
- Overview Journey.ai is a growth-stage startup focused on building cutting edge solutions... ...held in the Denver area. Our engineering team is currently a small team of full-time... ...ecosystem (with 4+ years of expertise in backend development) Analyzing and optimizing existing...SuggestedFull timeFor contractorsRemote work3 days per week
$40 - $125 per hour
...silently zeroed out. Someone has to trace the numbers back through the logic, and that someone is you. As a Finance Expert you'll evaluate AI-built financial analyses on real corporate scenarios, check the valuation assumptions and the accounting behind them, and write the...SuggestedFull timeRemote workFlexible hours$41.5k - $133.3k
...Data Center Sales Engineer HPC-Industrial, powered by Clean Harbors, is looking for a Data Center Sales Engineer to join their safety... ...friendly company. Please be advised that Artificial Intelligence (AI) tools may be used to support certain stages of the recruitment...SuggestedFull timeTemporary workFor contractorsLocal areaRemote workWork from home- ...Together we are leading the way.The Back-End Engineer designs, develops, and maintains the server side of conversational AI and automation applications, including the APIs... ...Ability to design scalable, high-performance backend systems. Collaborates with cross-functional...SuggestedFull timeLocal areaImmediate start
$116.2k - $229.1k
Position Summary We are a team of strategic advisors, architects, and implementers who drive business transformations. Our diverse talent energizes clients' business functions and technology to maximize value in Supply Chain enhancing their ability to fulfill their...Local area$18 - $50 per hour
...university graduation and completion of the program Position Overview: Siemens Digital Industries Software is seeking an AI & Engineering Data Intern to support emerging Artificial Intelligence and Digital Thread initiatives within the Capital PreSales...Remote jobHourly payFull timeInternshipLocal area$77k - $202k
...LevelSenior AssociateJob Description & SummaryThe OpportunityAs an AI & GenAI Data Scientist-Senior Associate you will leverage... ...business problems and inform decisions within our Data and Analytics Engineering practice. As a Senior Associate you will analyze complex...Full timeH1bShift work- ...methodology, attending daily stand-ups, sprint planning, and retrospective meetings. Minimum 2-3 years of software engineering experience Have built mobile apps (and/or web apps) full-stack before Enthusiastic about photo sharing and/or AI and/or social media...Full time
$75k - $85k
...providing an unparalleled foundation for ambitious Data Scientists and Engineers. In this role, your work will underpin data driven business... ...to learn how to develop and support our shift towards a secure, AI-driven enterprise using modern delivery methods like Agile,...Hourly payFull timeTemporary workLocal areaRemote workWork from homeShift work- Skool’s engineering team is seeking highly experienced Backend Software Engineers with a passion for developing performant and scalable backend services written in Go . You will collaborate with Product Management, Designers, Engineers, and other stakeholders to determine...Work at officeRemote work
- ...We are seeking an experienced AI Data Integration Engineer with strong hands-on expertise in Snowflake, healthcare claims data, and AI/LLM integration. The role will build secure, sanitized healthcare data layers and pipelines that enable AI systems to generate insights...Contract work
- Job Title: Data Engineer, SeniorWork Place Flexibility: Hybrid Legal Entity: Entergy Services, LLC ***The referred location for position is New Orleans, The Woodlands, Texas will be considered*** Job Summary/Purpose The Data Engineer Senior is an integral member of the...Work at officeLocal areaRelocationVisa sponsorshipWork visa
$91.1k - $179.5k
...offerings. Recruiting for this role ends on 10/30/2026. Work you'll do The Data Engineer Consultant will support data architecture and engineering delivery that enables artificial intelligence (AI), machine learning (ML), and generative AI (GenAI) solutions, ensuring data...Local area$105.4k - $207.8k
Position Summary Our Deloitte AI & Engineering team works to transform technology platforms, drive innovation, and help make a significant impact on our clients’ success. You’ll work alongside talented professionals reimagining and reengineering operations and processes...Local area- ...Industrial AI Vision Robotics Engineer We're supporting a well-established industrial manufacturing company with a search for an Industrial AI Vision Robotics Engineer to help develop next-generation AI-powered vision systems and robotic automation solutions. This is...H1b
$127k - $150k
Position Summary Healthcare Data Engineer Sr. Consultant Deloitte Consulting's technology professionals help clients identify and... ...deadlinesAbility to provide clear guidance to others The Team AI & Data offers a full spectrum of solutions for designing, developing...Local areaVisa sponsorship$77k - $202k
...Industry/Sector Not Applicable Specialism Data, Analytics & AI Management Level Senior Associate Job Description &... ...business problems and inform decisions within our Data and Analytics Engineering practice. As a Senior Associate you will analyze complex...Full timeH1bShift work$110.7k - $218.3k
...and translate findings into solution architecture and delivery plans.Guide and mentor full stack developers through code reviews, engineering standards, and implementation best practices across front-end and back-end development.Design, build, and maintain full stack...Local areaVisa sponsorship$50 per hour
...Unit: Enterprise Business ServicesStandard Job DescriptionJoin Lockheed Martin’s Data & AI Enablement organization and accelerate the company’s AI transformation. As a lead data engineer, you will design, build, and productize data assets that power AI agents, analytics,...Full timeTemporary workWork experience placementCasual workFlexible hours- ...UI Engineer (Contract) Remote (Open to NY, West Coast, and Pittsburgh, PA) This role pays... ...and actively leverages modern AI development tools to accelerate delivery.... ...architecture to ensure smooth frontend-to-backend integration. ~ Partner with multiple internal...Contract workRemote work
$91.1k - $179.5k
...transform their organization. Join our team and use advanced data, AI, and emerging technologies with industry insights to help... ...10/30/2026 Work You’ll Do As a Project - Analytics and Insights Engineer IIIon the project, you will: Support the client in its mission to...Work at officeLocal area- ...Job Title AI Software Engineer Intern Date posted 14-Oct-2026 Job ID 137214 City / Township / Village POUGHKEEPSIE, DURHAM, San Jose, New York State / Province New York, North Carolina, California Country United States Work arrangement Hybrid...Contract workFixed term contractInternshipShift work
$122k - $240.5k
...transforms technology platforms, drives innovation, and helps make a significant impact on our clients’ success. We are hiring an AI Engineer to build and operate the data, features, and GenAI foundations that power Human Capital AI products and analytics. You will work...Local areaVisa sponsorship$91.1k - $179.5k
...transforms technology platforms, drives innovation, and helps make a significant impact on our clients’ success. We are hiring an AI Engineer to build and operate the data, features, and GenAI foundations that power Human Capital AI products and analytics. You will work...Local area- ...Nearly Human Nearly Human is a small AI company deploying production AI systems into... ...-ready use. We're building our engineering team around a different model: a small number... ...across boundaries such as frontend, backend, data, and deployment. You've debugged...Immediate startRemote work
- Bollinger Shipyards, Inc. seeks an experienced BI Analytics Engineer to develop enterprise dashboards, semantic models, and reporting layers that support operational and executive decision-making across the organization. You will collaborate with analytics leadership,...
- ...Job Description Job Description We are looking for a talented and driven Data Engineer with strong expertise in Azure Data Factory and other Microsoft technologies to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining...
$96.68k - $120.85k
Company DescriptionRamboll is a global architecture, engineering, and consultancy company. As a foundation-owned people company, founded in Denmark, we believe that the purpose of sustainable change is to create a thriving world for both nature and people. So, that’s where...Full timeWork at officeLocal areaFlexible hours- ...The Mission: Defying the Status Quo to Build a New Legacy At Collegiate Academies, we don’t just run schools; we build engines of social mobility. We are at the absolute epicenter of the movement to send New Orleans and Baton Rouge students to college. While others...Work at officeImmediate start
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