Software Engineer - Backend Specialist - AI Trainer
$40 - $50 per hourMercor
Job Description
Job Description
About the job
Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .
Position: Software Engineer Expert
Type: Contract
Compensation: $40–$50/hour
Location: Remote
Role Responsibilities
- Build MCP servers in Python using FastMCP .
- Integrate web or desktop applications into RL Studio .
- Work with APIs , Docker , Linux environments , and service configuration.
- Implement populate/snapshot hooks for app state management.
- Test apps locally and debug build, runtime, and permission issues.
- Ensure apps meet platform validation and deployment requirements.
Qualifications
Must-Have
- Strong Python skills.
- Experience with APIs , backend systems, and debugging.
- Familiarity with Docker , Linux , and local testing workflows.
- Ability to work with configuration files and deployment pipelines.
- Problem-solving skills and attention to technical detail.
Preferred
- Experience with FastMCP or similar frameworks.
- Experience integrating third-party apps or developer tools.
- Familiarity with web apps, databases, and containerized environments.
Application Process (Takes 20–30 mins to complete)
- Upload resume
- AI interview based on your resume
- Submit form
Resources & Support
- For details about the interview process and platform information, please check:
- For any help or support, reach out to: View email address on us.fitly.work
PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.
#hiringmercor- ...Company Description Intelliswift Software, Inc Job Description Possess strong computer science fundamentals: data structures... ...Java, Python, etc. Comfortable working with MVC, services, and backend database integration. A keen analytical thought process;...SuggestedFull timeWork experience placement
- ...team focused on integrating multimodal functionalities into our AI products, ensuring they are reliable, user-friendly, and aligned... ...benefit. About the Role We are seeking an experienced product engineer to drive the development of our multimodal product features. In...SuggestedFull timeWork at officeRelocation package
- ...We are looking for a founding backend engineer with unusually strong engineering and design taste... ...1970s. At Hypercubic, we’re building AI systems that can understand, reason about... ...to some of the most critical enterprise software in the world. Learn why we're...SuggestedFull timeH1bVisa sponsorshipWork visaRelocation package
$195k - $225k
...double-digits MoM, and expanding the core engineering team in SF. The surface area is big:... ...The Role As the Senior Software Engineer – Backend (Systems / Infrastructure) you’ll architect... ...collaborating with frontend and AI teams to enable magical experiences....SuggestedFull time$150k - $200k
$150K - $200K // 0.50% - 1.00% // San Francisco Role Backend engineers build the platform that support’s Anara’s functionality. Sometimes... ...: Designing and building scalable infrastructure for AI-powered research tools. Collaborating closely with the rest...SuggestedFull timeWork at officeVisa sponsorshipFlexible hours- ...Formal is on a mission to build the best engineering team and we're looking for people who... ...deep understanding of building scalable backend systems, a strong sense of ownership, and... ...processes more traffic What You Need Software development experience building data-...Full timeFlexible hours
$193.4k - $290k
...end-to-end. By combining frontier agentic AI, an enterprise-grade platform, and deep... ...to our customers — from leadership to engineers — and work together to solve real problems... ...started. Role Overview As a Backend Software Engineer on the Product Engineering team...Full timeRelocation package$180k - $215k
...As a Backend Engineer on our application team at Windfall, you will be building the system for ingesting and processing our customer data.... ...Requirements: ~5+ years of experience ~ Professional backend software engineering experience ~ Expert object-oriented programming...Full time$143.64k - $197.64k
...Responsibilities: Design & Development: Build and maintain backend services with a focus on performance, reliability and scalability... ...resolve issues. Qualifications: ~2-4 years as a backend engineer. ~ Working knowledge of one or more programming languages...Full timeWork experience placement$120k - $180k
...is the leading provider of cloud-based AI solutions to understand, search, and generate... ...every month. Hive also offers turnkey software applications powered by proprietary AI... ...interested in joining the future of AI! Backend Engineer Role In order to execute our vision...Full time- ...Formal is on a mission to build the best engineering team and we're looking for people who... ...deep understanding of building scalable backend systems, a strong sense of ownership, and... ...processes more traffic What You Need Software development experience building data-...Full timeFlexible hours
- ...Sciforium is an AI infrastructure company developing next-generation multimodal AI models... ...from AMD with hands-on support from AMD engineers the team is scaling rapidly to build the... ...practical experience) ~3+ years of software engineering experience, with a focus on infrastructure...Full timeWork at officeFlexible hours
$162k - $243k
...Responsibilities: Design & Development: Build and maintain backend services with a focus on performance, reliability and... ...Qualifications: ~5+ years of experience with extensive experience in software engineering with a proven track record of shipping successful projects....Full timeWork experience placementLocal area- ...next generation of Gen AI-driven code reviewers:... ...individual engineers. We combine language models... ...push the boundaries of software development efficiency... ...architect and build core backend systems — the infrastructure... ...AI researchers, infra specialists, frontend engineers,...Full timeRemote work
- ...About HappyRobot HappyRobot is the AI-native operating system for the real economy—... ...The Role At HappyRobot , Full Stack Engineers own meaningful parts of the product and infrastructure... ...of professional experience ~ Strong backend engineering experience, with a focus on...Full timeShift work
- ...Who We Are Koah Labs is building the ad network to power the next generation of AI-native products. Our mission is to help publishers monetize and help advertisers reach the right audience — without compromising speed, UX, or privacy. We’re a small, tight-knit team...Full timeFlexible hours
- ...is building the world’s leading Agentic AI platform to transform enterprise productivity... ..., Flipkart, and Okta, our team includes engineers from premier tech companies and graduates... .... Who are you? We are seeking a Software Engineer to join the Ema team. You are passionate...Full timeWork experience placement
- ...About the Role As a product engineer on the GTM Innovation team,... ...new categories of enterprise software. This role is based in San... ...experience building and scaling backend systems, including designing robust... ...impact at the frontier of AI About OpenAI OpenAI is...Full timeWork at officeRelocation package
- ...movement and access to financial data simple and secure. As a Software Engineer, you will design and build the systems that power how... ...their finances. You will work across the stack, from reliable backend services and APIs to intuitive applications that bring those...Full timeWork experience placementInternshipLocal area
$160k - $200k
...narrowing down high-level problems into engineering solutions. You’re able to coordinate across... ...'ll Bring ~4+ years of relevant backend development experience in a start-up... ...faster. ~ Technical understanding of the software development process. ~ Excellent written...Full timeWork at officeRemote work2 days per week$159k - $259.7k
...countries. What You'll Do As a Senior iOS Engineer at Calm, you’ll build and improve the... ...across teams (Product, Design, Android, Backend) to align on goals and implement best... .... Who You Are ~5+ years of software development experience, including 3+ years...Full timeLocal areaFlexible hours- ...learning. To tackle this challenge, Kiddom is looking for a Backend Engineer who will embody forward-thinking best practices and bring a... ...Computer Science or a related field ~5+ years professional software engineering experience ~ Experience designing and building...Permanent employmentFull timeWork at officeLocal areaRemote work
$125k - $155k
...to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates... ...ft. headquarters in Northern California, USA. As a Backend Engineer on the Network Software team, you will design and implement reliable, scalable...Permanent employmentFull timeFlexible hours$202k - $237k
...distributed computing and make it accessible to software developers of all skill levels. We’re... ...stacks to accelerate the progress of AI applications out into the real world.... ...About the role We are seeking a Backend Software Engineer to join our team focused on building...Full timeWork at officeFlexible hours- ...us. About the Role: AngelList is hiring a Senior Backend Engineer with a founder mindset for our Fund Formation team. Everything... ...turning the legal complexities of creating a fund into software, at scale. Fund Formation is where we actually form Limited...Full timeWork at officeRemote work
$300k - $320k
...reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial... ...growing group of committed researchers, engineers, policy experts, and business leaders... ...the Role: Anthropic is looking for backend software engineers to work across our product...Full timeWork at officeVisa sponsorshipFlexible hours$126k
...power search, recommendations, AI/ML systems, and the reading... ...workflows, with guidance from senior engineers and the EM on scope and trade-... ...~4+ years of professional software engineering experience,... ...systems. ~ Experience with backend services, data pipelines, or content...Full timeLocal areaHome officeFlexible hours- PLEASE CLICK HERE TO SEE *ALL* OF OUR JOB OPENINGS!Senior Software Engineer — Backend PerformanceAs a Senior Software Engineer on Backend Performance... ...your time is going.You write the systems code yourself. AI assistants speed you up; they don't do the engineering for...
- ...should you choose to join us, will be as an Infrastructure / Backend Engineer on our founding team. You're the right person for this role... ...Designing and maintaining secure, scalable infrastructure for AI-powered agents in production Deploying and optimizing AI-heavy...Full time
$161k - $230k
About the roleThatch is rewiring how health benefits work. We build software that gives employees real control over how they use their benefits.We’re looking for a Backend Software Engineer to design and build the core systems that power Thatch. This includes data models...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer - Backend Specialist - AI Trainer. Be the first to apply!
- agile software developer San Francisco, CA
- software developer internship no experience San Francisco, CA
- intermediate software engineer San Francisco, CA
- software engineer staff San Francisco, CA
- experienced software developer San Francisco, CA
- work from home software developer San Francisco, CA
- software developer no experience San Francisco, CA
- software developer fintech San Francisco, CA
- software data engineer San Francisco, CA
- financial software developer San Francisco, CA

