Source Job

US

  • Develop and evaluate AI training data for LLM and AI agent platforms.
  • Create coding tasks and write reference-quality solutions for evaluation.
  • Critically assess AI-generated code for correctness, security, and maintainability.

Python JavaScript/TypeScript Go Java C++

20 jobs similar to Senior Software Engineer - LLM Trainer

Jobs ranked by similarity.

Global

  • Evaluate AI-generated JavaScript and TypeScript code for correctness and best practices.
  • Audit step-by-step explanations provided by AI for complex algorithmic solutions.
  • Execute model-generated scripts to verify performance and identify inefficiencies.

Prolific builds the largest pool of quality human data for AI development. Over 35,000 AI developers and researchers use the platform to gather data from paid participants with diverse experiences.

Global 5w PTO

  • Define and lead AI-assisted SDLC patterns for repository intake, code exploration, service mapping, build diagnosis, documentation, and engineering evidence generation.
  • Guide analysis of OpenStack-derived control-plane services, APIs, dependencies, integration flows, and build structures across multiple repositories and teams.
  • Evaluate and operationalize AI development platforms, coding agents, and approved open-weight or Chinese coding model stacks for secure enterprise use cases.

T-Systems is part of the Deutsche Telekom Group, with around 30,000 employees worldwide, creating technology with purpose to generate a positive impact on society. We are a global team guided by respect, integrity, and a passion for doing better every day, offering autonomy, continuous support, and a collaborative environment.

India

  • Design and deliver hands-on AI training across Development, QA, and DevOps.
  • Own and continuously evolve the training curriculum to keep it current with emerging AI tools.
  • Review trainees' submitted code and exercises, providing direct, practical feedback.

Smart Working connects skilled professionals with global teams for full-time remote roles, breaking down geographic barriers. They are a highly-rated workplace on Glassdoor that values employee growth and well-being.

EMEA 5w PTO

  • Own problem spaces end to end: write specs, acceptance criteria, and own the architecture.
  • Build AI into the product, e.g., turning free-text email replies into bookable quotes.
  • Make AI trustworthy with structured outputs, evals, and confidence-gated human review.

Cargo.one operates an AI-native operating system for freight, serving 30,000+ users across 172 countries with customers like Lufthansa Cargo and Kuehne+Nagel, backed by Index and Bessemer. The culture is positive, diverse, hard-working, feedback-heavy, and playful.

Global

  • Evaluate LLM architecture logic for technical accuracy and audit ML code and notebooks for efficiency.
  • Refine RLHF frameworks to align models with human intent and analyze model reasoning in complex chain-of-thought prompts.
  • Benchmark performance by conducting comparative testing between model outputs based on technical metrics.

Prolific connects researchers with a global pool of participants for collecting high-quality human data to train AI models. With over 35,000 users, they focus on ethical data gathering to advance AI capabilities.

US

  • Design and build agentic AI systems to automate complex workflows across ICON's software platform.
  • Develop LLM-powered features using state-of-the-art foundation models and APIs.
  • Architect multi-agent pipelines, tool-use systems, and MCP integrations.

ICON is a construction technology company that develops advanced 3D printing and robotic systems for building homes and structures. The company fosters an innovative, inclusive, and diverse work environment with a focus on pushing the boundaries of construction technology.

$130,900–$198,000/yr
US

  • Build and evolve core AI platform capabilities enabling teams to scale GenAI applications.
  • Design and implement distributed systems supporting multi-step AI workflows and integrations.
  • Collaborate across engineering, data science, and product to turn emerging AI use cases into production-ready platform capabilities.

Samsara is the pioneer of the Connected Operations Cloud, providing IoT solutions to improve safety, efficiency, and sustainability for industries like agriculture, construction, and transportation. As a recently public company, it fosters a culture of ownership and high-impact building with a focus on long-term growth.

US Unlimited PTO

  • Design, architect, and implement AI-powered backend systems that automate and optimize software development workflows.
  • Identify friction points across the engineering lifecycle and transform them into scalable, reliable automation solutions.
  • Collaborate with globally distributed engineering teams to share tooling, best practices, technical roadmaps, and reusable solutions.

US

  • Build AI-based features into a platform serving millions of users, working directly with the platform architect.
  • Stand up core AI infrastructure, including LLM serving, retrieval-augmented generation, and evaluation systems.
  • Shape engineering practices and own services end to end, from schema to deploy to on-call.

TMTG is a social media company dedicated to providing users an engaging and censorship-free experience. It is the fastest-growing social media platform in the country, championing free speech and serving millions of users in a fast-paced, rapidly growing environment.

Global

  • Own the operational backbone of an AI-native development workflow, including environment setup, CI/CD, testing, documentation, and API prototyping.
  • Prepare dev environments, run test suites, review code, manage deployments, and handle lower-complexity coding tasks using AI tools.
  • Research and prototype third-party API integrations and maintain technical documentation for regulatory compliance.

SPHERE Technology is a fully capitalized HealthTech SaaS company building an AI-native platform from scratch, backed by a Miami-based family office with a long runway and zero burn-rate pressure. The company is a startup with a small, focused team, ambitious product roadmap, and a direct access culture with no layers or committees.

$230,000–$270,000/yr
US

  • Design, build, and maintain core AI capabilities that power intelligent experiences across the platform.
  • Develop reusable capabilities for model integration, reasoning, and evaluation.
  • Optimize AI systems through experimentation, quantitative evaluation, and iterative refinement.

Legion embeds intelligence inside complex systems, unlocking data and accelerating human workflows for government and enterprise. They collaborate with world-class partners like Palantir and Nvidia, building intelligent infrastructure with a team of bold thinkers.

Latin America

  • Deliver high-quality work end-to-end, from scoping and design through implementation and release, leveraging AI tools to accelerate velocity.
  • Partner closely with Engineering, Product Management, and Product Design to refine ambiguous work into clearly defined, valuable deliverables.
  • Maintain reliable systems by applying best practices for observability, quality, and incident response, and actively use AI tooling to detect and resolve issues faster.

Newsela is a leading education technology company dedicated to meaningful classroom learning for every student. We deliver integrated, AI-powered solutions designed to unlock student engagement, empower teachers, and drive meaningful learning outcomes, and we focus on making a difference in the lives of students and teachers.

Global

  • Run the full eval pipeline end to end, reproducing results and pairing with senior engineers.
  • Build a judge calibration protocol to measure agreement and identify drift zones.
  • Extend benchmarks like GAIA and SWE-bench with new tasks targeting capability gaps.

Nous Research is an AI research lab that develops evaluation infrastructure for LLMs. They are a small, high-growth team valuing ownership and rapid shipping.

$165,000–$180,000/yr
US

  • Design, develop, and maintain custom software solutions for Jury Consulting.
  • Partner with stakeholders to translate business challenges into scalable technical solutions.
  • Leverage AI-assisted development tools to improve efficiency and code quality.

Magna Legal Services provides comprehensive legal support including court reporting, jury consulting, and litigation graphics. We foster a culture where talented people do meaningful work and grow their careers.

USA Unlimited PTO 14w maternity 14w paternity

  • Work directly with customers to understand workflows and build production-ready AI applications.
  • Contribute to core platform and customer-specific integrations, applying AI/ML and LLM techniques.
  • Own delivery from prototype to production, including architecture, backend services, and deployment.

Trase Systems, founded in 2023, is an AI company that simplifies enterprise AI adoption. It tops the Hugging Face GAIA Leaderboard and serves complex industries such as Healthcare, Oil & Gas, and National Security.

$104,244–$134,904/yr
Canada

  • Define product direction and build AI voice agent experiences for drivers.
  • Own technical architecture for coordinating multiple AI agents and real-time interactions.
  • Mentor engineers and champion Samsara's cultural principles while shipping high-impact features.

Samsara is the pioneer of the Connected Operations Cloud, using IoT data to improve safety, efficiency, and sustainability for physical operations. As a recently public company, they have a global team and a culture focused on customer success, long-term thinking, and inclusivity.

US Latam

  • Own critical parts of the AI agent platform, designing systems and writing production code daily.
  • Build AI agent pipelines for document parsing, extraction, analysis, and pricing.
  • Define engineering standards through CI, linters, and code review, and contribute to hiring decisions.

RYZ Labs is a startup studio founded in 2021 by experienced entrepreneurs who have worked at top tech companies. They build industry-defining companies with a remote team distributed across the US and Latam, fostering a culture of autonomy and efficiency.

$154,700–$260,000/yr
US

  • Define what to build and how to build it, shaping product direction from the engineering side.
  • Own the technical direction for orchestrating concurrent, real-time interactions to deliver one coherent experience for the driver.
  • Build and ship new AI-powered products from zero to one in a fast-moving, ambiguous environment.

Samsara is the pioneer of the Connected Operations Cloud, helping organizations that depend on physical operations harness IoT data to improve safety, efficiency, and sustainability. As a recently public company, they offer autonomy and support to make an impact with a culture focused on long-term growth and customer success.

LATAM

  • Build and ship MVPs fast, working hands-on with LLMs, APIs, and AI-assisted workflows.
  • Use tools like Copilot, Cursor, GPT, and Claude daily to ship AI-powered product inside high-growth startups.
  • Work fully remote with flexible schedules, part-time or side gig, with some US time overlap.

Futureproofing is a talent platform focused on embedding high-caliber engineers into startups building AI-driven products. They match intentionally, not through keyword filtering, and focus on output, ownership, and shipping speed in a developer-first model.

$190,000–$210,000/yr
US Unlimited PTO 14w maternity 6w paternity

  • Build applied AI applications using existing LLMs to achieve high accuracy rates.
  • Take ownership of constructing services to ingest structured results.
  • Collaborate with product and engineering teams to build models that extract key information.

Vanilla is the first AI-powered estate advisory platform that unifies scenario modeling, client visualization, and document creation. The team is distributed across the U.S. with a mix of remote and hybrid roles, fostering a culture of speed, autonomy, and impact.