Collaborate with advanced language models on software engineering tasks in Spanish (Latin America), documenting failure modes to improve model reasoning.
Verify logical accuracy, coding fluency, and naturalness of Spanish language usage in model outputs.
Capture reproducible error traces and suggest improvements to prompt engineering and evaluation metrics.
The company is working on large-scale language models for scientific discovery and software development, aiming to democratize education and streamline engineering. The project is freelance-based and seeks coding specialists fluent in Spanish (Latin America) to train AI, with no specified company size or culture.
Train AI models on Python coding tasks including algorithms, data structures, and distributed systems.
Verify logical accuracy, code quality, and capture error traces to improve model reasoning.
Collaborate remotely by conversing with the model and suggesting improvements to prompt engineering and evaluation metrics.
The company is working on training large-scale language models to power scientific discovery, education, and software development. They are a tech-focused organization seeking freelance contractors, with no information on size or culture provided.
Work as a software engineer maintaining and expanding agentic coding systems and AI SDK features.
Take end-to-end ownership of new features, collaborating with teams to deliver reliability and great developer experience.
Serve as a domain expert on AI design patterns, collaborating with field staff and writing public technical documentation.
Temporal provides a reliable foundation powering AI leaders such as OpenAI, NVIDIA, and others, serving users across a broad range of AI applications. The company is fully remote, action-oriented, and focused on shipping fast and solving customer problems with a thorough technical grounding.
Own high-complexity escalations end-to-end, debug and drive them to closure, and serve as incident coordinator during production incidents.
Use AI tools like Cursor to triage, diagnose, and resolve issues faster, build scripts and automations, and share workflows with the team.
Act as a bridge between Technical Support, Engineering, and Product, translating recurring customer pain into prioritized feature requests.
Velora is a unified company formed from Aplos, Raisely, and Keela, dedicated to helping nonprofit organizations thrive with a suite of tools for fundraising, donor management, financial tracking, and communications. As one team, we bring combined expertise and a commitment to making nonprofit work easier, more impactful, and sustainable.
Develop, test, and deploy code for prototypes and new product features.
Collaborate with team members to solve technical challenges and improve solution design.
Experiment with modern tools, frameworks, and emerging technologies.
Twilio shapes the future of communications, delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company fosters a remote-first culture with a strong emphasis on connection and global inclusion.
Conduct 60-minute technical interviews for back-end, full-stack, front-end, and system design roles.
Submit thorough written evaluations of each candidate's coding approach, technical knowledge, and communication skills.
Maintain structured, inclusive, and bias-mitigated interviewing standards throughout the engagement.
Karat provides technical interview services to companies, conducting structured and bias-mitigated assessments of engineering candidates. The company is a specialized platform that connects experienced engineers with interviewing opportunities, fostering a community of independent contractors.
Build scalable backend services and APIs that power our digital merchandising platform.
Work with other senior engineers to contribute to high level decisions about the architecture and design.
Work with Product Managers to make Jane’s advertising product offerings sound, robust and easy to use.
Jane Technologies is an MIT-founded eCommerce company in the cannabis industry experiencing rapid growth. Their mission is to bring confidence to the online cannabis shopping experience by connecting consumers with local dispensaries and brands. They are a small close-knit team of highly technical engineers with diverse backgrounds and a strong engineering culture.
Break down larger projects into individual tasks and deliver them in multiple phases.
Collaborate with product management, design & analytics by participating in ideation.
Contribute to a sense of community on your team by engaging in growth and development activities.
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm is a remote-first company.
Orchestrate High-Velocity Workflows: Leverage advanced agentic coding tools (e.g., Cursor, multi-agent environments) to dramatically accelerate feature prototyping, code generation, and test coverage.
Own the Guardrails & Quality: Act as the ultimate reviewer and architect; define the specifications, establish repo-context guardrails, and review AI-accelerated output for hidden security risks, scale bottlenecks, and architectural alignment.
Build Scalable Application and Data Layers: Design, build, and maintain our data pipelines and application to service our hundreds of users.
EvolutionIQ provides technology to improve insurance claims handling. The company is experiencing massive growth and has been named a top workplace, prioritizing its team.
Develop, test, and deploy code for prototypes and new product features, collaborating on rapid prototyping with modern technologies.
Participate in code reviews, documentation, and knowledge sharing while experimenting with AI, machine learning, and emerging technologies.
Communicate progress and technical concepts to stakeholders, adapt quickly to feedback, and contribute to continuous improvement of engineering best practices.
Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers. The company has a remote-first culture with a strong focus on connection and global inclusion.
Develop high-quality software across the full stack, including React, Python/Ruby/Node, and SQL.
Collaborate with engineers, data scientists, and product managers, reviewing and debugging code.
Apply best practices, enforce design standards, and research software solutions.
Civis Analytics is a tech startup that builds software to solve complex problems for clients. The company values diversity of thought and offers tools and community for employees to do their best work.
Build and maintain backend services and full-stack features
Develop scalable APIs and systems handling high-volume traffic
Improve system performance, reliability, and security
Lavendo partners with startups and high‑growth companies to help them hire top‑tier sales, go‑to-market, and technical talent. At Lavendo, they partner with clients who care about building high‑performing, inclusive teams, and they hold themselves to the same standard.
Design and build scalable, high-availability systems in a continuous delivery environment.
Write clean, modular code with unit test coverage and implement standardized design patterns.
Collaborate cross-functionally, review code, and drive best practices in testing and performance.
Versant is a media and entertainment business with brands spanning political news, business news, golf, and sports. It is a publicly traded company with a portfolio of iconic brands like CNBC and USA Network, fostering a collaborative and innovative culture.
Build responsive web applications and internal tools primarily through AI coding tools like Cursor, Lovable, or Bolt.
Translate written briefs and feature requests into working, deployable software using iterative prompting.
Review, test, and debug AI-generated code to ensure correctness, security, and maintainability.
Vosyn is a trailblazing Language Synthesis AI firm reshaping global communication by dissolving language barriers and empowering users. The company fosters a culture of flexibility, continuous improvement, and is currently at the forefront of a significant IPO endeavor, making it a unicorn in the making.
Design, build, ship, and maintain core capabilities for North's Agents & Automations platform.
Build product and platform features for creating, running, debugging, evaluating, and improving agents and automations.
Own features end-to-end from design to launch, working across the full stack and collaborating with cross-functional teams.
Cohere is a security-first enterprise AI company that builds cutting-edge foundation models and end-to-end AI products for businesses. It is a global team of researchers, engineers, and designers with offices in Toronto, San Francisco, London, New York, and more, fostering a collaborative and innovative culture.
Own data plumbing and integrations into client systems, connecting databases, APIs, and SaaS tools.
Extract, clean, transform, and move data for AI features, including retrieval and agentic workflows.
Build and maintain data pipelines using AI coding tools while applying real engineering judgment to messy, real-world integration challenges.
Vosyn is a trailblazing Language Synthesis AI firm that dissolves language barriers and empowers users through innovative AI solutions. The company is at the forefront of a significant IPO endeavor, embodying a unicorn culture of flexibility, continuous improvement, and solution-focused strategies.
Evaluate and debug HTML code to challenge advanced language models on software engineering and technical scenarios.
Verify logical accuracy, coding fluency, and code quality while capturing reproducible error traces.
Suggest improvements to prompt engineering and evaluation metrics to harden model reasoning.
We specialize in providing high-quality training data to power the next generation of AI, helping large-scale language models evolve into engines of scientific discovery. Our team values expertise in coding and clear communication, offering contract-based opportunities for specialists worldwide.
Own the agent layer of the platform, including architecture, prompts, tool surfaces, and multi-agent orchestration.
Drive translation and dependency-mapping accuracy across unfamiliar legacy paradigms.
Write production agent code daily, using subagents and multi-agent workflows as the normal way of working.
LTS applies frontier AI to modernize legacy systems in healthcare and government IT. It is a small, senior engineering team operating with high leverage and a culture of innovation and collaboration.
Help drive development of the Hirevue Interviewing Product Line, utilizing the best development techniques, patterns, frameworks and libraries.
Analyze Product Requirements and write Technical Designs, writing simple, clear, secure, resilient code and unit tests.
Collaborate in and/or own the Research and Planning of new Initiatives, resolving complex problems and broadcasting knowledge gained.
Hirevue transforms the way organizations discover, engage, and hire talent with its end-to-end hiring platform. This platform features video interviewing, assessments, and conversational AI and has hosted millions of interactions for over 1200 customers globally.