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Backend developer • boulder co

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Remote Kotlin Engineer - AI Trainer

SuperAnnotateSuperior, Colorado, US
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[job_card.full_time]

As a remote, hourly paid Kotlin Engineer, you will review AI-generated responses and generate high-quality Kotlin-focused content, evaluating the reasoning quality and step-by-step problem-solving ...[internal_linking.show_more]

Sr Software Engineer

InfleqtionBoulder, CO, US
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We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our.We break down barriers between disciplines, stepping in wherever we can ...[internal_linking.show_more]

Software Engineer (Backend C#) - MakeMusic

PeakswareLouisville, CO, US
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Help Shape the Future of Music Creation and Education at MakeMusic.At MakeMusic, we believe music has the power to inspire, connect, and transform lives.For over three decades, we’ve been at the fo...[internal_linking.show_more]

Senior PL/SQL Developer

RIPPLE EFFECT CONSULTING LLCBoulder, CO, US
[job_card.full_time]

Join the Market Leader in Electric Power Data and Analytics Solutions.The electrical grid is the largest and most complex machine ever constructed.Ripple Effect Consulting’s industry-leading electr...[internal_linking.show_more]

STAFF FRONTEND ENGINEER

Fluid Consulting ServicesBoulder, CO, United States
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Fluid's client is seeking a senior frontend engineer to elevate a high-traffic React/TypeScript platform.This role focuses on frontend architecture, developer experience, and guiding best practices...[internal_linking.show_more]

Java Software Developer (Senior)

ATTAINX INCBolder, Colorado, United States, 80305
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REMOTE (Must be willing to work on Alaska time).Ability to obtain a Public Trust level “clearance”.Programmer/Analyst who can provide development and support services for our government client.The ...[internal_linking.show_more]

Remote Backend Engineer Talent Network - AI Trainer ($70-$150 per hour)

MercorBoulder, Colorado, US
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[job_card.part_time]

About Mercor’s talent network** Join our Backend Engineer Expert Network to connect with leading AI labs and companies seeking your expertise.This is an open application for future contract opportu...[internal_linking.show_more]

Virtual Data Collection Representative (Work-at-Home)

FocusGroupPanelLouisville, Colorado, United States
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[job_card.part_time]

Work From Home, Entry Level Data Entry Clerk As A Research Participant.We are looking for people who want to work remotely from home.You'll need an Internet connection and a mobile device or comput...[internal_linking.show_more]

Senior Database Developer (PL/SQL)

RECBoulder, CO, US
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Join the Market Leader in Electric Power Data and Analytics Solutions.The electrical grid is the largest and most complex machine ever constructed.Ripple Effect Consulting’s industry-leading electr...[internal_linking.show_more]

Remote - 3D Game Developer (Panda3D)

Micro1Gunbarrel, Colorado, US
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[job_card.full_time]

AI labs train foundational models and enterprises build AI agents.We provide frontier evaluations and reinforcement learning environments used to improve LLM capabilities, as well as contextual eva...[internal_linking.show_more]

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Remote - 3D Game Developer (Panda3D)

Micro1Boulder, Colorado, US
[filters.remote]
[job_card.full_time]

AI labs train foundational models and enterprises build AI agents.We provide frontier evaluations and reinforcement learning environments used to improve LLM capabilities, as well as contextual eva...[internal_linking.show_more]

 • [job_card.promoted]

Technical SEO Content Engineer (SaaS / Developer Docs) REMOTE

NalpeironBoulder, Colorado, United States
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[job_card.full_time]

We are looking for a remote contractor to transform our technical documentation, written in GitBook (.This is not a traditional writing role — it requires structuring, optimizing, and expanding tec...[internal_linking.show_more]

Lead Engineer | AI-Powered Governance Platform (DeFi)

C&D Talent AdvisoryBoulder, Colorado, United States
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AI | DeFi | Data Infrastructure | Automation Systems.This role sits at the center of a major transformation — building an.This is not just backend engineering — this is.AI-native governance systems...[internal_linking.show_more]

Principal Software Development Engineer (P5)

Workday, Inc.Boulder, CO, USA
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Join our innovative Planning organization as a Principal Software Development Engineer.You’ll architect and lead the development of advanced planning features, seamlessly integrating AI capabilitie...[internal_linking.show_more]

Software Engineer (Backend C#) - MakeMusic

MakeMusicLouisville, Colorado, United States
[job_card.full_time]

As Software Engineer you will be responsible for creating and supporting backend services that power our products, owning applications from inception through development, test, and release to produ...[internal_linking.show_more]

Product Test Developer I

SparkFun ElectronicsNiwot, CO, US
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No matter your vision or skill level, our open source components, resources and online tutorials are designed to broaden access to innovative technology and make the road to a finished project shor...[internal_linking.show_more]

Remote - Cross-Platform Engine Developer (Cocos2d-x)

Micro1Louisville, Colorado, US
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[job_card.part_time]

Cross-Platform Engine Developer (Cocos2d-x).AI labs train foundational models and enterprises build AI agents.We provide frontier evaluations and reinforcement learning environments used to improve...[internal_linking.show_more]

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Remote - Cross-Platform Engine Developer (Cocos2d-x)

Micro1Superior, Colorado, US
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[job_card.part_time]

Cross-Platform Engine Developer (Cocos2d-x).AI labs train foundational models and enterprises build AI agents.We provide frontier evaluations and reinforcement learning environments used to improve...[internal_linking.show_more]

 • [job_card.promoted]

Staff / Sr Staff Full Stack UI Engineer

SciTecBoulder, CO, US
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SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.For the past forty-five plus years, we ha...[internal_linking.show_more]

Remote Kotlin Engineer - AI Trainer

Remote Kotlin Engineer - AI Trainer

SuperAnnotateSuperior, Colorado, US
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
  • [filters.remote]
[job_card.job_description]

As a remote, hourly paid Kotlin Engineer, you will review AI-generated responses and generate high-quality Kotlin-focused content, evaluating the reasoning quality and step-by-step problem-solving behind each solution. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in methodology or conceptual understanding; fact-check technical information; craft expert-level explanations and model solutions that demonstrate correct approaches; and rate and compare multiple AI responses based on correctness and reasoning quality. T

his role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation model labs, helping to improve the world’s premier AI models.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • 2+ years of hands-on Kotlin development experience.
  • Strong understanding of Kotlin null safety, coroutines, and functional idioms.
  • Professional software engineering experience using Kotlin for Android or backend services.
  • Minimum Bachelor’s degree in Computer Science or a closely related field.
  • Ability to critically evaluate idiomatic Kotlin style, design decisions, and architecture trade-offs.
  • Significant experience using large language models (LLMs) to assist with coding, debugging, and code review.
  • Excellent English writing skills with the ability to articulate complex technical concepts clearly.
  • Highly preferred : Experience with Ktor, Android Jetpack, and advanced coroutine usage in production systems.
  • Preferred : Merged pull requests in Kotlin open-source projects, competitive programming experience, or similar demonstration of strong problem-solving skills.
  • Experience reviewing app logic or mobile / backend architecture, with previous AI data training or model evaluation work strongly preferred and Minimum C1 English proficiency.