Build and maintain web applications for scientific communities and research-focused users.
Develop robust APIs, backend services, and scalable application architectures.
Contribute to Web3 infrastructure initiatives including blockchain features and smart contracts.
A mission-driven company building products at the intersection of technology, science, and decentralized innovation. They are a remote-first, async-friendly team with a small, collaborative culture focused on meaningful global impact.
Develop and maintain the FingerprintJS product, focusing on device identification and anti-fraud features.
Collaborate with the engineering team to improve system performance and scalability.
Write clean, efficient code and participate in code reviews.
FingerprintJS provides device intelligence and fraud detection solutions for businesses. The company is a growing tech startup with a developer-focused culture.
Design and build privacy-focused systems that protect users from tracking, data misuse, and emerging online threats.
Enhance backend services and privacy infrastructure using Go, Node.js, Python, or Perl.
Lead complex technical projects from ideation through implementation, ensuring scalability and reliability.
Our partner is a privacy-first engineering organization focused on building and maintaining systems that protect users from tracking, profiling, and emerging online threats. They operate in a fully remote, globally distributed environment with a values-driven culture centered on trust, privacy, and transparency.
Build end-to-end features for a finance super app across web and backend.
Collaborate with cross-functional teams to ship scalable technical solutions.
Take ownership of production systems and iterate based on user feedback.
The company builds a finance super app covering insurance, payments, savings, investing, and travel. It is a fast-paced product-driven team with high ownership and autonomy.
Define and build a new runtime protection product line for Node.js environments, owning the technical strategy and execution from concept to deployment.
Design detection methodologies that distinguish malicious activity from legitimate behavior at scale using large-scale threat intelligence and modern engineering tools.
Collaborate with security specialists and engineering teams while leveraging AI-assisted workflows to deliver high-impact security capabilities.
The partner company specializes in building innovative runtime protection solutions for Node.js applications. It fosters a remote-first, highly autonomous culture with a focus on professional growth and cutting-edge security research.
Design and evolve mission-critical APIs for a modern developer platform.
Build secure, scalable backend services using TypeScript, Node.js, and modern frameworks.
Collaborate with engineers across teams to deliver reliable systems that improve developer experience.
Jobgether is a platform that uses AI-powered matching to connect candidates with job opportunities. They focus on efficient, objective hiring processes and are part of a network of partner companies.
Conduct security reviews and penetration tests across Brave products including the browser and search engine.
Triaging and fixing security reports, and designing secure code in C++ and other languages.
Work asynchronously with a geographically-distributed team to secure AWS infrastructure and web security models.
Brave builds a privacy-focused web browser that blocks trackers and ads, a private search engine, a crypto wallet, and an opt-in private ad network. With over 110 million monthly active users and a small, distributed team, Brave is dedicated to protecting user privacy and challenging Big Tech.
Architect and build the core automation runtime for open banking data aggregation.
Design secure network interception layers and high-performance communication protocols.
Navigate complex multi-step authentication flows and ensure scalability and resiliency.
Zero Hash is the leading crypto and stablecoin infrastructure platform and the operating system for digital money, powering the next generation of financial services. Founded in 2017, the company enables banks, brokerages, fintechs, and payment companies to offer crypto trading, stablecoin payments, and tokenized assets with a high-performing team.
Co-own the design, development, and ongoing maintenance of Confiant's client-side JavaScript SDK
Build and optimize SDK internals for maximum runtime performance across diverse publisher environments
Translate security threat intelligence into SDK-level detection and blocking logic
Confiant is cybersecurity built for advertising, providing real-time intelligence and precise controls that detect and block malvertising and compliance risks. They are a small but growing engineering team focused on high standards, collaboration, and end-to-end ownership, operating as a 100% virtual company worldwide.
Design, develop, and maintain scalable web applications using TypeScript, Node.js, and Next.js.
Build robust frontend and backend features ensuring high performance and reliability.
Collaborate with cross-functional stakeholders to understand requirements and deliver high-quality software.
Smart Working connects skilled professionals with global teams for long-term remote roles. It is a highly rated workplace on Glassdoor with a focus on community and growth.
Develop and maintain backend APIs and business logic using Node.js, TypeScript, and Express.
Build scalable solutions for transactional systems and API integrations.
Support frontend experiences with React Native and Next.js when needed.
The company builds scalable digital products for financial and rewards-based experiences. It operates as a remote-first startup with a global team and a culture focused on innovation, ownership, and professional growth.
Conduct security and privacy reviews of Brave browser and Brave Search.
Triages and fixes security reports, collaborating on privacy-preserving protocols.
Designs and implements new security and privacy features with a small, elite team.
Brave is on a mission to protect the human right to privacy online, offering a free browser that blocks creepy ads and trackers, a private search engine, and a crypto wallet. Already 110+ million people use Brave, with millions more switching monthly, in a hyper-growth company with a flat org structure and ridiculously smart teammates.
Advance Firefox's security architecture and cryptography stack, including cryptographic protocols and WebPKI.
Design and implement web platform security features in collaboration with the broader web community.
Improve browser reliability, performance, and resource efficiency through analysis and optimization.
Mozilla Corporation is a non-profit-backed technology company that develops the Firefox web browser and focuses on privacy, AI, social media, and security. With over 225 million monthly users, Mozilla is dedicated to making the internet better for people and is owned by the Mozilla Foundation.
Design, build, and maintain full-stack features across a Python/Flask backend and a TypeScript/React frontend.
Build and maintain integrations connecting Mayhem with customer systems, security tools, and workflow engines.
Ensure high accessibility, stability, and performance across integration workflows.
Bugcrowd empowers organizations to stay ahead of threat actors by uniting a trusted hacker community with a patented AI-driven Security Knowledge Platform. The company is backed by General Catalyst and Rally Ventures, with offices in San Francisco and New Hampshire, fostering a diverse and inclusive culture.
Build the Agent UI shell, Chrome extension, and real-time UI over live voice, desktop, and AI event streams.
Own the React app, WebSocket-driven UI, and plugin/module-federation patterns.
Ship in 1-week sprints with Friday demos, failing fast and moving forward.
We are an innovation group inside TTEC, building the next generation of AI CX tools for the world's biggest brands. We move like an early-stage startup, backed by the scale and enterprise client base of a company that has been obsessed with customer experience since 1982.
Lead end-to-end development of scalable, customer-focused software features.
Architect and implement backend APIs and modern frontend applications.
Mentor engineers and contribute to engineering best practices and documentation.
The company builds enterprise SaaS solutions that help organizations operate with greater clarity, efficiency, and confidence. It is a fast-growing, remote-first organization with a collaborative culture and employee resource groups.
Design and develop responsive web pages and user interfaces that support business objectives.
Optimize web applications for performance, scalability, reliability, and speed.
Collaborate with backend engineers to integrate services and deliver complete solutions.
Our partner is building a fast-growing technology environment focused on innovative financial solutions. The company operates remotely with a collaborative culture and high ownership, offering equity and professional growth opportunities.
Own the browser automation and crawling engine that discovers and interacts with target applications during autonomous pentests.
Tackle modern web app challenges such as SPA routing, authenticated sessions, MFA, and production-safe crawling.
Collaborate with attack-team engineers to shape the application map that the rest of the pipeline depends on.
Horizon3.ai is a fast-growing cybersecurity company that provides autonomous pentesting solutions via its NodeZero platform to help organizations find and fix attack vectors. The company is a fusion of former U.S. Special Operations cyber operators and startup engineers, fostering a culture of respect, collaboration, and ownership.
Assist with software development using Python and JavaScript to design and build scalable back-end web services and APIs for legal and intellectual property stakeholders.
Manage and troubleshoot production systems, refactor existing applications, and implement robust software design patterns to improve business processes.
Integrate with third-party APIs and manage distributed systems in a production environment, collaborating with other engineers and analysts.
NBCUniversal is a leading media and entertainment company, creating and distributing content across film, television, and streaming, as well as operating theme parks. As a subsidiary of Comcast, it champions an inclusive culture and strives to develop a talented workforce.