Backend Engineer - Remote
YO AI Labs
Job DescriptionJob DescriptionSenior Software Engineer Job Type: Contractor (~15 hours/week) Location: RemoteJob Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.Key Responsibilities Create reinforcement learning environments for software engineering tasks.Design tasks involving bug fixing, feature development, refactoring, and performance optimization.Build deterministic verification systems and golden reference solutions.Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.Develop realistic, reproducible software engineering scenarios.Ensure tasks accurately measure coding ability, problem-solving, and tool usage.Document solutions and provide clear technical feedback.Required Skills Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.Strong understanding of algorithms and data structures.Experience with bug fixing and debugging complex software issues.Proven experience in feature implementation and codebase refactoring.Strong knowledge of performance optimization and tuning.Excellent written and verbal communication.Strong attention to detail.Preferred Qualifications Experience working with large-scale or distributed codebases.Familiarity with AI/ML systems is a plus but not required.Experience with rigorous code reviews and software engineering best practices.Experience working effectively in remote or cross-functional teams.Hiring Process Submit an application and screening questions.Complete an AI interview (~30 minutes).Complete a technical assessment, if required.Hiring Manager review.Compensation Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.Availability Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.
$150k - $270k
...sections of the data stored. Ideal candidate for this Senior Engineer has deep expertise in large-scale distributed/control systems (... ...and move our product mission forward. Communication — As a remote-first company, bring excellent verbal and written communication...Remote workHourly payPermanent employmentWork experience placementWork at officeLocal areaShift workAustin, TX7 days ago$175k - $315k
...sections of the data stored. Ideal candidate for this Senior Engineer II has deep expertise in large-scale distributed/control... ...and move our product mission forward. Communication — As a remote-first company, bring excellent verbal and written communication...Remote workHourly payPermanent employmentWork experience placementWork at officeLocal areaShift workAustin, TX27 days ago- ...Developer to design and build high-performance backend services, cloud-native tooling, and... ...systems. In this role you will work remotely from anywhere in the U.S., focusing on latency... ...ambiguous requirements into well-engineered Go solutions. The ideal candidate has strong...Remote work
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Eastern, KY4 days ago - ...Bluelight in San Francisco is seeking an experienced backend engineer to design, build, and maintain high-performance APIs using Elixir and... ...improvements, with opportunities for growth in a collaborative, fast-paced environment and flexible remote options. #J-18808-LjbffrRemote workFlexible hours
Remote Services Inc.
San Francisco, CA2 days ago - ...Coinbase is seeking an experienced Backend Engineer to own key projects end-to-end and drive stablecoin-based money movement features from design through production deployment. You will build backend systems and APIs, partner with Product, Design, Infrastructure, and...Remote work
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Lincoln, NE2 days ago - ...Affirm, Inc. is seeking a hands-on mid-engineering contributor in Information Security to help build and maintain backend services powering registration, login, authorization, and account lifecycle across B2C and B2B experiences. You will implement authentication features...Remote work
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Charlotte, NC2 days ago - ...Coinbase is a remote-first company that values intense collaboration and pushing beyond limits. The Money Movement team within the Developer product group designs and builds backend systems powering stablecoin-based pay-ins, payouts, deposits, and withdrawals. You will...Remote work
Coinbase
Santa Fe, NM2 days ago - ...Takealot Group is seeking a Software Engineer (backend, preferably with search experience) to join our team. You will design, build, and maintain... ..., testing, and incident response. The role offers a fully remote setup with optional office visits, and opportunities to grow...Remote workWork at office
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New York, NY7 hours ago - ...Filevine is seeking a senior backend engineer to join a high-impact team building a brand-new product in the Legal AI space. You will work... ...while collaborating with product, UX, and legal teams. This role offers remote or hybrid work in major US cities. #J-18808-LjbffrRemote work
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Eastern, KY2 days ago $80k - $110k
...tech company specializing in fundraising tools is looking for a Junior Elixir Developer in Tucson, AZ or Remote. In this role, you will build high-concurrency backend services primarily using Elixir, contribute to a TDD culture, and help integrate APIs. The starting...Remote workFlexible hoursTiltify
Tucson, AZ4 days ago- ...Inflect is engaging an independent Backend Engineer Consultant in Brazil through Rippling to build, deliver, and maintain provider adapters and gateway backend services that onboard new supply providers into the marketplace. This autonomous, high-impact engagement focuses...Remote work
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New York, NY4 days ago - ...Plum Fintech is seeking a Backend Engineer to join the Engineering team and help deliver the best product to customers. You will contribute to pragmatic, product-minded engineering and work with a collaborative team to continuously improve how we build software. You...Remote workWork at officeFlexible hours
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United States1 day ago - ...Affirm is seeking a Batch Developer Experience engineer to help build reliable backend systems and scalable batch workloads. You will partner with product and infrastructure engineers to streamline workflows and improve testing and reliability across critical batch processes...Remote work
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Atlanta, GA2 days ago - ...Affirm, Inc. is seeking a hands-on mid-level backend engineer inside Information Security to build core CIAM capabilities that protect customers and support growth. You will contribute to registration, login, authorization, and account lifecycle flows across B2C and...Remote work
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Salt Lake City, UT2 days ago - ...Job Title : Senior Backend Engineer Job Location : NYC, NY (Remote) Contract : 12 Months Position Type : Contract Note: This role is not open for C2C or 1099, We are looing for candidates who can work on W2 without any sponsorship. Job Description:...Remote workContract workFor contractors
BayOne Solutions
New York, NY3 days ago - ...Affirm, Inc. is seeking a hands-on mid-level engineer to strengthen our CIAM backend services powering registration, login, and account lifecycles for B2C and B2B experiences. You will build and maintain authentication features, write robust APIs in Python or Kotlin...Remote work
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Nashville, TN2 days ago - ...Reddit is seeking a senior backend software engineer to help build app conversion signals that power Reddit’s app advertising business. You will work on MMP integrations, SKAN processing, and App CAPI to make app installs and in-app events more reliable for advertisers...Remote work
Candidate Company
Los Angeles, CA4 days ago $152k - $190k
...Brex is looking for an Engineer in New York to help develop new products from concept to launch. In this hybrid role, you will collaborate... .... Compensation ranges from $152,000 to $190,000 plus equity, and offers flexibility with remote work options. #J-18808-Ljbffr...Remote workBrex
New York, NY2 days ago- ...intern to CEO, we celebrate diversity and bring a wide array of experience from technology startups, Fortune 500s, and the US Military. Remote Work Options With offices in San Francisco, Chicago, and Amsterdam, we have hybrid and remote positions available globally. Build...Remote workInternship
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Washington DC4 days ago - ...Docker, Inc is seeking a senior backend engineer to design and build core systems powering the AI Gateway. You will shape the model router, MCP gateway, and control plane, and implement infrastructure for dynamic routing, auto-failover, and policy enforcement. You...Remote work
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Seattle, WA3 days ago $65 per hour
...Python development, debugging, and refactoring.Work independently and asynchronously to meet project requirements.Collaborate with backend engineers and data practitioners to optimize workflows.QualificationsMust-HavePyCharm installed on a Mac running macOS.Ability to...Remote workContract workSummer workMercor Inc
United States2 days ago- ...YO AI Labs is seeking experienced Backend Software Engineers to support AI training through challenging coding tasks and reliable evaluation systems... ...position with about 15 hours per week. You will work remotely with flexible scheduling, tackling debugging, refactoring,...Remote workFor contractorsFlexible hours
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New York, NY4 days ago - ...Joining the Data Platform team, the full-time Backend Engineer II will architect and enhance systems for data products, focusing on data pipelines, governed access, and integrations while operating remotely. Key responsibilities Proactively identify and solve complex...Remote workFull time
Virtual Vocations Inc
United States5 days ago - ...leading global airline to strengthen customer service through contact center technologies, conversational experiences, and backend automation. This remote contract role focuses on building and maintaining voice and chat solutions that empower self-service and assist contact...Remote workContract work
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Chicago, IL4 days ago - ...Backend Engineer In The Money TeamFounded to transform retail finance, Ajaib Group is an Indonesian fintech unicorn breaking barriers to financial... ..., we assemble world-class talent. Supported by our fully remote work arrangement, our team spans Eastern Europe, the Middle...Remote work
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New York, NY3 days ago - ...A growing AI startup is looking for a backend engineer for a fully remote role. You will work on innovative greenfield projects and join a collaborative, senior engineering team. The ideal candidate has 4-8 years of experience, preferably with strong Golang skills, and...Remote work
Jobot
Chicago, IL1 day ago - ...Coinbase, Inc. is seeking a Senior Software Engineer, Backend for the Coinbase One team. You will own backend services for the membership lifecycle... ...personalized experiences for millions of users. Join a remote-first company that values rapid impact and collaboration with...Remote work
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Montgomery, AL1 day ago - ...Coinbase is hiring a Senior Software Engineer, Backend (Retail DEX) to join the Retail DEX team in the Consumer & Business group. You will build systems that bridge off-chain and on-chain trading for millions of traders across Blockchains like Base and Solana. You will...Remote work
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Jackson, MS7 hours ago - ...Visual Concepts is seeking a Senior Engineer to own backend services powering NBA 2K online features. You will work across distributed systems, large-scale computing, and real-time databases to deliver high-performance backend services with low latency. The role reports...Remote work
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Irvine, CA1 day ago
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