Collaborate with UX Designers and backend engineers to define API contracts and deliver cutting-edge features.
SimSpace is an AI Proving Ground that unifies training, testing, and validation in realistic, live-fire simulations for organizations worldwide. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a culture of continuous learning, curiosity, and professional growth.
Develop and enhance a peer-to-peer mobile app using React Native and Expo.
Integrate native capabilities and ensure stable, high-performance releases.
Collaborate with distributed teams and uphold high engineering standards.
The company develops a peer-to-peer messaging and calling application for iOS and Android, powered by on-device peer-to-peer technology. It is a globally distributed, remote-first team that values technical excellence, independent problem-solving, and rapid innovation.
Design, develop, and deploy full stack applications using modern JavaScript frameworks (React, Node.js).
Build and maintain robust RESTful APIs, responsive front-end UIs, and automated tests with Jest or Playwright.
Collaborate with cross-functional teams to architect secure, performant systems and modernize legacy applications.
Charles River is an early-stage contract research organization (CRO) supporting pharmaceutical, biotech, and government partners with discovery and safety assessment services that accelerate new therapies. With over 20,000 employees across 110 facilities worldwide, we empower innovative thinkers dedicated to continuous learning and improving people's lives.
Build and maintain the dashboard in TypeScript and React, designing data-dense interfaces.
Integrate with back-end APIs, implement role-based access, and own performance and accessibility.
Write automated tests, review teammates' code, and collaborate with product and design.
Caliza is commercial banking infrastructure for cross-border companies, replacing banks and spreadsheets with one API. We're a remote fintech startup backed by top investors, with a team from Visa, Nubank, and EBANX.
Build reliable, responsive user interfaces from approved designs and API contracts.
Work independently on features, diagnose browser issues, and contribute maintainable, well-tested code.
Use React, Next.js, TypeScript, and modern state management to deliver high-quality front-end solutions.
The company focuses on designing and building scalable digital products and user-centric software solutions. It emphasizes technical excellence, collaboration, and continuous learning in a fast-paced contract environment.
Own meaningful parts of the Osano platform end to end, from shaping problems with Product to running solutions in production.
Use AI coding agents and automations to explore code faster, ship more, and eliminate repetitive work while ensuring every line is verified.
Build with privacy and security by design, mentor other engineers, and take part in on-call rotation and incident response.
Osano is a data privacy platform that helps organizations comply with GDPR, CCPA, and global privacy regulations. It is a fast-scaling B-Corporation with top-tier investors, recognized as a Great Place to Work with 97% employee satisfaction.
Develop and maintain a cross-platform desktop communications application using React, JavaScript/TypeScript, and the Pear runtime.
Implement responsive user interfaces, manage application state with tools like Redux or Zustand, and optimize performance for multiple operating systems.
Collaborate with a globally distributed engineering team to build reliable, privacy-focused P2P technologies and real-time communication features.
The company is building a cross-platform peer-to-peer communications application powered by a decentralized runtime, enabling direct application connectivity without traditional server infrastructure. It fosters a remote, innovation-driven culture with a globally distributed engineering team focused on user privacy and control over personal data.
Develop and deliver full-stack AI-powered applications on top of Unframe's platform.
Work closely with customers and internal teams to tailor solutions to enterprise needs.
Write clean, tested, and maintainable code with a focus on production readiness.
Unframe is an AI-first startup helping large enterprises launch LLM-powered applications rapidly. With $50M Series B and over $100M TCV, it scales globally with Fortune 500 customers, backed by Bessemer, Craft, and TLV.
Build and maintain responsive, accessible user interfaces using React and TypeScript.
Integrate front-end features with back-end services and REST APIs, ensuring reliable application behavior.
Collaborate with product designers, back-end engineers, and QA to deliver polished, intuitive user experiences.
Software Mind is an awesome team of engineers who ramp up top-notch companies' projects, aiming to always be one step ahead. We are a multicultural company in constant growth with an excellent work environment certified by Great Place To Work!
Collaborate with the Web Dev Team and Head of Technology on product tasks (support 30%, development 70%).
Select and implement tools, technologies, and techniques while designing and implementing application architecture.
Perform code reviews, control code quality, and write optimized code when needed.
Kyivstar.Tech is a Ukrainian hybrid IT company and a subsidiary of Kyivstar, one of Ukraine's largest telecom operators, creating technological solutions and products for businesses and users. With over 700 specialists working across mobile, web, design, and high-performance systems, the company fosters an entrepreneurial culture that challenges conventional approaches and drives innovation.
Develop and enhance a cross-platform mobile application for iOS and Android using React Native and Expo.
Own features from implementation through testing and release, covering messaging, calls, media sharing, device pairing, and identity backup.
Collaborate with product, design, and core technology teams to deliver a seamless, privacy-focused user experience.
They develop innovative peer-to-peer mobile technology for secure, decentralized communication. They are a fully remote international team focused on collaboration, privacy, and modern mobile development practices.
Build engaging, high-performing eInstant gaming platforms for a European gaming technology initiative.
Use React.js, Next.js, TypeScript, and Tailwind CSS to deliver innovative real-money gaming solutions.
Collaborate within cross-functional teams, applying TDD with Vitest and Cypress for reliable software.
Software Mind develops impactful software solutions for global companies, collaborating with tech giants and unicorns on transformative projects. The culture embraces openness, respect, grit, and combines delivering results with enjoyment.
Build and improve responsive web experiences across Rare Candy’s collector-facing product.
Develop maintainable interfaces using React, TypeScript, and modern web tooling, integrating with GraphQL APIs.
Own features from technical planning through implementation, testing, and production, collaborating with product and design.
Rare Candy is revolutionizing the $25 billion trading-card industry with an AI-powered card scanner and collection tools for Pokémon, MTG, and more. They are a 10-person product team that is profitable, has experienced 10x revenue growth, and fosters a high-trust, low-ego culture.
Lead technical architecture and drive complex projects.
Write code, build prototypes, and contribute throughout the development lifecycle.
Mentor engineers through code review and technical discussions.
Thunderbird is one of the world's most trusted open-source email applications, empowering over 20 million people. Our small but growing distributed team includes more than 65 people across seven countries.
Shape the end-to-end user experience of the Hypori Console by gathering feedback from stakeholders and defining efficient interaction patterns.
Lead front-end architecture for the Console, including component structure, state management, and build tooling, while staying fluent in backend services.
Deliver features end-to-end from UI through REST APIs in a microservices environment deployed on Kubernetes, with a focus on accessibility and security.
Hypori, Inc. is a high-growth cybersecurity SaaS company transforming secure mobility with a virtual workspace platform that lets users access enterprise apps and data from any mobile device without storing data on the endpoint and ensuring total personal privacy. Backed by $55M in funding from investors including UBS, AE Industrial Partners, Hale Capital Partners, and GreatPoint Ventures, it is expanding into new commercial and regulated markets.
Design, build, and maintain scalable full-stack web applications using JavaScript, TypeScript, React, and Node.js.
Architect robust web solutions and lead the creation of RESTful APIs with modern state and component lifecycle management.
Implement automated testing, event-driven analytics, and cross-team collaboration to deliver production-ready features.
We are a Managed Nearshore Teams provider headquartered in Austin, specializing in building and embedding high-performing software development teams. We deliver customized solutions by connecting global talent with innovative client projects, and our culture values expertise, creativity, and impact.
Build responsive frontend interfaces with React and maintain backend services using Node.js.
Work across APIs, databases, GraphQL, testing, and production environments to ship full-stack features.
Collaborate with engineers, QA, and architects while using AI-assisted tools and CI/CD practices.
Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. It uses automated review to create shortlists and supports a multicultural, remote-first hiring experience.
Collaborate with design, backend, and product teams to translate business requirements into high-quality frontend solutions.
Develop fast, user-friendly web applications for desktop and mobile browsers with clean, efficient client-side code.
Design and build reusable libraries and frameworks to accelerate development workflows and enhance code quality.
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, the company fosters a results-driven, flat-structured culture with opportunities for growth and learning.
Collaborate with Military Engine Programs to support software systems for creating and publishing technical documents.
Design, build, and test scalable software with clean code for front- and back-end applications.
Troubleshoot software issues and maintain internal platforms for automated technical data publications.
RTX is the world's largest aerospace and defense company, solving complex problems through advanced systems and services. With 185,000 employees across three market-leading businesses, they push the boundaries of known science in areas like quantum physics and hypersonics.