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Senior Software Engineer: Social & AI - MetaMask

consensysEMEA - RemotePosted 3 Sept 2026

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About this role

Please note that we are unable to consider applications from candidates based in France, Italy, or Germany for this role. Money is moving onto the internet, and the shift has a name: Open Money. This is money that is open, portable, agentic, and owned by you. MetaMask spent the last ten years building it; with 100M+ downloads, users in ~190 countries, and trillions in cumulative transaction volume, it's the most trusted self-custodial financial platform on the internet.

Now we're building the operating system for your money: one place to hold, move, grow, and use anything you own. Join a remote-first, global team rebuilding how money works: a problem that touches everyone, every day. About Metamask MetaMask aims to create a thriving engineering organization that supports the well-being of our engineers while empowering them to do work they are proud of and enjoy. We strive for an environment that gives our people high trust and autonomy, while also facilitating collaboration, communication and camaraderie among teams and teammates.

We aspire to build a diverse engineering team, inclusive to people from all backgrounds and demographics. It is also of great importance to us that working at MetaMask is an experience that catalyzes career growth and learning. What you'll do As a Senior Engineer, you will: Contribute to MetaMask's social expansion and multi-chain user experiences. Unify, enhance and transform our experiences across MetaMask Portfolio, Browser Extension, and Mobile platforms to support social experiences Coordinate and communicate with other experience teams to complete complex projects Mentor more junior team members and broadly elevate the level of engineers around you Requirements: 6+ years working with web and mobile-based technologies Hands-on experience with React and React Native Extensive experience with modern Javascript (ES6/TypeScript/etc.) Experience with blockchain fundamentals across multiple blockchain architectures Strong working knowledge developing cross platform/browser compatibility Experience working in an agile development team Experience developing medium to large-scale applications across the entire stack with minimal tech debt through sensible abstractions, testing, linting, and adherence to coding/web standards Experience consuming APIs A demonstrable understanding of Continuous Integration Strong understanding of web-based security threats and prevention techniques Bonus Points: Working knowledge of multiple blockchain protocols (EVM and non-EVM) Experience with cross-chain bridges, transaction lifecycle and/or interoperability solutions Demonstrated passion for and knowledge of blockchain technologies Experience working in a decentralized, distributed team Previous experience working in Web3 Product knowledge about the Web3 wallet space Mobile experience (React Native, Objective C, Swift) Other skills to demonstrate: Excellent verbal and written communication in English Teamwork, flexibility, initiative, communication and organization Willingness to constantly learn & improve, challenging yourself to stay at the top of your game Don't meet all the requirements? Don't sweat it.

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We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role . It is a requirement of employment in this position that applicants will be required to submit to background checks including but not limited to employment, education and criminal record checks.

Further details will be provided to applicants that successfully meet the criteria for the position as determined by the company in its sole discretion. By submitting an application for employment, you are acknowledging and consenting to this requirement. In the rapidly evolving Web3 space, we believe that everyone is a builder. This expansive paradigm requires a range of backgrounds, talents, skills, and experiences to influence and shape the future.

At MetaMask, this diversity fuels our ability to shift control and redefine the realm of possibility. We are committed to ensuring that our technology empowers people and communities through decentralized technologies. We welcome the range of perspectives and differences and celebrate them. We're excited to see how your unique skills as a builder can contribute to our vision, drive innovation, and help us shape a more inclusive Web3.

MetaMask is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. MetaMask is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself, which can be found on our page.

MetaMask may use artificial intelligence (AI) tools to support parts of our recruitment process, such as reviewing applications, screening resumes, or conducting initial candidate assessments. These tools are designed to assist our recruiting team and improve efficiency — they do not replace human judgment. A human recruiter or hiring manager reviews every candidate, and all final hiring decisions are made by people, not AI.

It is a requirement of employment in this position that applicants may be required to submit to background and identity verification checks, including but not limited to employment, education, criminal record checks, and other such checks as determined necessary by the company.

Source listing: greenhouse_consensys

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