Partner with product managers, designers, and curriculum writers to develop end-to-end features that are accessible and engaging in real classrooms.
Write and maintain production-ready code in JavaScript/TypeScript, React, Ruby on Rails, and SQL, using AWS services.
Rapidly prototype AI-focused products, evaluating generative AI models with an eye toward safety and bias mitigation.
CodeAI is an education innovation nonprofit dedicated to increasing participation in AI and computer science education for K-12 students. As the leading provider of K-12 AI+CS curriculum globally, the organization fosters a unifying, inclusive culture that welcomes diverse perspectives.
Own the platform end-to-end as a full-stack generalist, designing, building, shipping, and operating product capabilities across frontend, backend, and infrastructure.
Lead engineering efforts toward ISO 27001 and SOC 2 readiness by translating compliance requirements into practical controls.
Use AI-assisted development tools and independently validate generated code for correctness, security, and performance.
They are building an AI-native professional services automation platform. As a startup with a small team, they are seeking their first in-house engineering hire and offer high ownership and autonomy.
Debug and resolve issues across complex, multi-file codebases.
Implement new backend or full-stack functionality and refactor existing systems.
Develop and extend test suites, write technical specifications, and review code for quality.
Anyone AI is a company that recruits technical talent for project-based engagements with a leading AI lab. It offers flexible, remote consulting opportunities for experienced engineers.
Lead and mentor a global engineering team to build an AI-driven offensive security platform.
Own the technical vision and architecture, ensuring scalability, stability, and resiliency.
Drive adoption of engineering best practices, including AI-assisted development and agile methodologies.
Cobalt provides a SaaS platform for offensive security testing, leveraging a community of vetted testers. The company is fully remote, diverse, and committed to inclusion, with over 500 skilled testers in its core team.
Lead and mentor a fullstack engineering team while contributing hands-on to the codebase.
Collaborate with product, design, QA, and backend teams to deliver high-performance user interfaces.
Drive technical strategy, architecture, and integrate AI-assisted development workflows to boost productivity.
Kayzen is a mobile demand-side platform (DSP) that democratizes programmatic advertising for leading apps, agencies, and brands. With over 160B daily ad requests and a global team spanning multiple countries, they foster a culture of ownership, continuous improvement, and innovation.
Evaluate AI model responses on software engineering tasks using TypeScript.
Challenge AI systems across algorithms, data structures, and development practices.
Provide structured feedback to improve model reasoning and code quality.
You'll work on a cutting-edge AI training project where your TypeScript expertise directly improves advanced language models. The project is a flexible freelance opportunity with a focus on software engineering and coding challenges, though the size and culture of the hiring company are not specified.
Partner with product and engineering teams to identify application security risks and frame them as clear business risks, launch options, and recommended next steps.
Read application code, configuration, pull requests, logs, and documentation to understand how systems work and where security risks may exist.
Contribute small code changes, scripts, detections, tests, secure defaults, or automation that improve AppSec workflows and reduce recurring issues.
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. The company is remote-first with a people-first culture, offering competitive benefits and equity rewards.
Work directly with client teams to understand complex workflows and identify opportunities for AI automation.
Build, deploy, and maintain production solutions integrating with TMS, WMS, and ERP platforms.
Tune AI agents and automated workflows using production data to continuously improve performance.
The company specializes in AI-driven automation and enterprise integrations for logistics and supply chain operations. It is a growth-stage, fast-moving environment that values speed, pragmatism, and ownership.
Evolving Supabase Edge Runtime, an open-source Rust-based host that runs Deno isolate and enforces per-request memory and CPU limits.
Implementing monitoring, alerting, and OpenTelemetry tracing to drive latency and reliability improvements.
Expanding functions for more use cases like AI inference, MCP servers, and improving developer experience with Supabase CLI.
Supabase is the Postgres development platform, providing a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. With a globally distributed team of ~400 members across 60+ countries, they are open-source-first and move fast, building in public.
Design and deliver complex software solutions as a Software Architect, owning architecture from definition through implementation.
Work with a varied technology stack including Python, JavaScript/TypeScript, React, AI/ML, and cloud platforms.
Collaborate with clients and teams to turn business needs into scalable, AI-native solutions in healthcare and other industries.
Cresteo is a nearshore tech services company that prioritizes a people-centered approach and honest, transparent culture. They are a team of experienced professionals collaborating with global clients, with a focus on profit-sharing and fearless innovation.
Collaborate with team members to deliver high-quality, high-throughput software
Be hands-on in designing, developing, testing, and delivering software
Mentor junior engineers and drive improvements to designs and processes
Nortal is a digital transformation company shaping complex solutions for global enterprises and public sector organizations. With over 160 new hires every year, we foster a culture of autonomy, open communication, and respect for diversity.
Design and implement AI-powered tools for application development, using cutting-edge technical approaches to deliver business value.
Architect and build core web technology stacks — authentication, event tracking, application platform, and design systems.
Drive architecture and engineering standards at the team and division level, promoting best practices for building modular, scalable web apps and APIs.
ServiceNow provides an AI platform for business reinvention, helping 85% of the Fortune 500. The company fosters an AI-native culture where technology and talent work together.
Build, test, and deploy software in a continuous manner.
Work with PMs and Product Designers to participate in product and design reviews.
Mentor and sponsor teammates to help them grow.
Pilot provides small businesses with dedicated finance experts and bookkeeping, tax, and financial management services. With over 3,000 customers and $170M in funding, they value employee development and happiness.
Build and ship customer-facing products across web, desktop, and mobile.
Design, develop, and maintain backend services, APIs, and cloud infrastructure.
Take ownership of high-leverage problems and collaborate across a small engineering team.
This company operates an ambitious AI research and product environment spanning web, desktop, mobile, backend, and AI systems. It is a small, collaborative engineering team that values autonomy, technical excellence, and low-ego collaboration.
Perform weekly code reviews to catch security vulnerabilities before they ship.
Coordinate external security audits and penetration tests, and track remediation.
Manage GRC documentation, run phishing simulations, and oversee security monitoring with weekend coverage.
EverAI builds the world's largest AI companionship platform, redefining relationships with AI. With a team of approximately 100 people, we are fully remote, fast-moving, and led by founders with a track record of scaling companies from zero to IPO.
Develop secure, well-tested TypeScript features for the Duo Client SDK, solving technical problems of moderate scope.
Ship improvements with minimal guidance, write tests, and contribute to code reviews and design discussions.
Design durable public APIs with clear interfaces, versioning, and backward compatibility for external consumers.
GitLab provides an intelligent DevSecOps platform that helps organizations increase developer productivity and accelerate digital transformation. With over 50 million registered users and trust from more than 50% of the Fortune 100, GitLab fosters a high-performance, values-driven culture where team members embrace AI and collaborate asynchronously in a fully remote environment.
Drive projects from concept to release alongside Product Manager and Designer partners.
Write and review code, thoughtfully using AI to improve velocity and understanding.
Work in a distributed, remote environment with key meetings 8–11 am PT.
Ediphi offers a cloud-based estimating and preconstruction solution for general contractors, aiming to reduce preconstruction time. The company, backed by a $12M Series A, is a fast-growing SaaS startup with a small, collaborative team.
Design, develop, test, and maintain full-stack application capabilities with an emphasis on secure, scalable, maintainable, and production-ready software.
Develop backend services, APIs, integrations, automation, and supporting tools across cloud-based and on-premise cybersecurity and compliance applications.
Implement role-based access control, data models, and risk-analytics logic to support diverse user types and complex data ingestion.
Quantum Sky engineers advantage across cyber, networks, software, and quantum for mission-driven environments. They foster a collaborative, innovative, and mission-driven team where every member plays a critical role in shaping the future of technology.
Build and contribute to a secure, scalable cancer care platform across the stack.
Collaborate with product, data, and operations teams to enable efficient patient care.
Follow secure development practices and handle PHI within HIPAA and SOC 2 controls.
Daymark Health is a value-based oncology company redefining the cancer care experience. Led by CEO Dr. Justin Bekelman and backed by top venture firms, the team operates with a fast-paced, action-oriented culture.
Assess software engineering tasks for technical accuracy, realism, and reproducibility.
Provide actionable feedback on codebase integration issues and logic errors.
Ensure AI training workflows are rigorous and practically applicable.
Project World Wide sources experienced technical specialists for AI training task auditing. This freelance contract opportunity focuses on ensuring technical rigor and accuracy in AI workflows.