Design, build, and maintain backend systems and APIs that power Wikidata’s query infrastructure.
Improve reliability, observability, and automation of the Wikidata Query Service and data pipelines.
Collaborate with SRE, data engineers, and product teams to ensure stability and scalability under growing usage.
The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and other free knowledge projects. It is a remote-first organization with staff in over 40 countries, dedicated to open knowledge and a mission-driven culture.
Design and architect unified testing frameworks for SIL, HIL, and simulation environments.
Build, configure, and maintain physical HIL benches and hardware interfaces.
Integrate automated HIL testing into CI pipelines to ensure code stability.
Glydways is reimagining public transit with a network of autonomous, carbon-neutral vehicles on dedicated pathways. The company's size and culture are not specified in the posting.
Lead the design and delivery of complex, cross-cutting features spanning APIs, data models, and UI while mentoring mid-level engineers to raise the overall engineering bar.
Drive technical direction for new payments capabilities, including architecture trade-offs, operational feasibility, and risk assessment across a cloud-native orchestration platform.
Use AI-assisted development tools effectively and contribute to incident response, root-cause analysis, and platform reliability in a 100% remote team.
Xplor Technologies provides modern vertical software, embedded payments, and AI-powered capabilities for membership-based and service-based industries. With over 130,000 businesses in 72+ countries and $47 billion in annual payment volume, the company fosters a values-driven, inclusive culture focused on innovation and collaboration.
Design, build, and maintain robust C#.NET solutions including Windows Services, WPF/WinForms, and web APIs.
Modernize legacy VB scripting, own CI/CD pipelines, and integrate with Azure, Active Directory, and ITSM platforms.
Take end-to-end ownership of modules, produce thorough validation evidence, and provide L3 support for tools you own.
Miratech is a global IT services and consulting company that helps visionaries change the world through digital transformation. With over 1000 professionals across 5 continents and 25+ countries, we maintain a values-driven culture of Relentless Performance and over 99% project success rate since 1989.
Develop innovative solutions to enhance annotation efficiency using the latest AI advancements.
Create intuitive interfaces for data exploration and visualization, including tools for RLHF processes.
Design and implement systems for large-scale data processing to support AI model training and evaluation.
Surge AI builds a platform that powers advanced AI models by combining elite human expertise with cutting-edge tools for scalable oversight. They are a small, profitable, and dynamic team founded by engineers and researchers.
Own the direction of the AI that powers Nectir: how it thinks, what context it sees, and what it remembers.
Work across frontier models to pick the right model for the right job, tuning cost, latency, and quality.
Ship AI-facing features end to end, partnering with the full-stack team to integrate AI capabilities into the platform.
Nectir is the secure AI infrastructure purpose-built for schools, providing 24/7 personalized learning support grounded in course content. Trusted by 80,000 students across 100+ campuses, Nectir has raised $18.5M from leading investors and is backed by independent research demonstrating a 7.5% campuswide GPA increase.
Build scalable high load systems using Java and Spring, processing massive data streams exceeding 1TB daily.
Work extensively with big data, adapting products to handle hundreds of millions of records per day.
Improve system reliability, test coverage, and manage full lifecycle from design to monitoring and maintenance.
SplitMetrics offers an ecosystem of products and services that serve as a growth engine for top mobile-first businesses globally. With a remote-first culture across 20+ countries, they've processed over $1 billion in ad spend and have been an industry leader for nearly a decade.
Collaborate as a member of software development teams to deliver production-ready client solutions with an initial focus on .NET modernization.
Work with the Lead Architect to review technical requirements, contribute to technical decision making, and deliver working software to clients.
Participate in discovery sessions to gather customer requirements and follow architecture decisions to adhere to solution design.
Caylent is an AI-first cloud services company that helps organizations turn ambitious ideas into meaningful business impact. As an AWS Premier Tier Services Partner, we have a fully remote global team across Canada, the United States, and Latin America, fostering a culture of technological curiosity.
Design, develop, and continuously improve web frontend systems with a focus on camera, video, and image recognition capabilities.
Work closely with cross-functional teams to deliver frontend workflows including data collection, API integration, and UX optimization.
Build highly available, maintainable, and scalable frontend architecture while ensuring performance and cross-device compatibility.
Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. Trusted by over 300 million people in 100+ countries, they foster a diverse, inclusive culture with a flat structure and opportunities for career growth.
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.