• Build, maintain and test core components on our Cosmos-SDK protocol including our decentralized orderbook, trade execution coordinator, order matcher, and Layer-2 execution environment • Develop and optimize core components of the Injective blockchain (consensus, state management, financial infrastructure and applications) • Write open-source Golang clients that allow users to interact directly with our protocol and smart contracts • Contribute to the research and development of new blockchain features and technologies • Work closely with cross-functional teams, including front-end developers, back-end developers, and quality assurance engineers, to deliver comprehensive blockchain solutions • Collaborate with external partners and open-source communities to enhance our blockchain ecosystem

• Review smart contracts for the top decentralized applications before they get launched and present findings and vulnerabilities that the protocol can have to the client. • Team up with one or two auditors and review code line by line and try to hack it. • Working on proposals to make code easier to understand and use in the future by sharing good practices. • Conduct open-ended research around cutting edge blockchain technologies. • Paid time to conduct research and contribute to OpenZeppelin’s projects and knowledge.

Superhuman offers a dynamic hybrid working model for this role. This flexible approach gives team members the best of both worlds: plenty of focus time along with in-person collaboration that helps foster trust, innovation, and a strong team culture. About SuperhumanGrammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1 million applications and websites. The company’s products include Grammarly's writing assistance, Coda’s collaborative workspaces, Mail’s inbox management, and Go, the proactive AI assistant that understands context and delivers help automatically. Founded in 2009, Superhuman empowers over 40 million people, 50,000 organizations, and 3,000 educational institutions worldwide to eliminate busywork and focus on what matters. Learn more at superhuman.com and about our values here. The OpportunityTo achieve our ambitious goals, we’re looking for Back-End Software Engineers to join our engineering teams. Superhuman's engineers and researchers have the freedom to innovate and uncover breakthroughs—and, in turn, influence our product roadmap. The complexity of our technical challenges is growing rapidly as we scale our interfaces, algorithms, and infrastructure. You can hear more from our team on our technical blog. As a Back-End Engineer at Superhuman, you will play a critical role in building core parts of the Superhuman product offering, infrastructure, and features to help 30 million users write more clearly and effectively every day. As a Back-End Engineer, you will: - Start building and pushing code in your first week and ship impactful features in your first few months. - Build and support production services with high call rates. - Target high availability for consumer and enterprise customers. - Learn how to build infrastructure as code (IaC). - Collaborate widely with internal teams such as Core, Growth, Enterprise, Trust, and Data to deliver delightful product offerings to our customers. - Contribute to an engineering culture with a strong emphasis on documentation, testing, and user experience. - Evaluate the systems and technology in place today while proposing systems and architecture that can scale for the future. - Have the opportunity to mentor new hires. Qualifications - Has 5+ years of relevant experience in back-end development. - Displays excellent software engineering fundamentals, including knowledge of algorithms and data structures. - Demonstrates perseverance when faced with tough technical issues. - Has some experience with AWS or other cloud offerings (GCP, Azure, etc.). - Has experience building, deploying, and debugging production systems at scale. - Cares about the end-user experience and strives to ensure high quality. - Has a demonstrated ability to work independently with minimal guidance, proactively manages tasks and priorities across multiple projects, analyzes and executes work efficiently, collaborates effectively with cross-functional teams, and thrives in fast-paced, results-driven environments. Support for you, professionally and personally - Professional growth: We believe that autonomy and trust are key to empowering our team members to do their best, most innovative work in a way that aligns with their interests, talents, and well-being. - A connected team: Superhuman builds a product that helps people connect, and we apply this mindset to our own team. Our remote-first, hybrid model enables a highly collaborative culture rooted in our values. We work to foster belonging among team members in a variety of ways. This includes our team member resource groups, Superhuman Circles, which promote connection among those with shared identities including BIPOC and LGBTQIA+ team members, women, and parents. We also celebrate our colleagues and accomplishments with global, local, and team-specific programs. - Comprehensive benefits for candidates based in Ukraine: Superhuman offers all team members competitive pay along with a benefits package encompassing life care (including mental health care and risk benefits) and ample and defined time off. We also offer support to set up a home office, wellness and pet care stipends, learning and development opportunities, and more. We encourage you to applyAt Superhuman, we value our differences, and we encourage all—especially those whose identities are traditionally underrepresented in tech organizations—to apply. Superhuman is an equal opportunity company. We do not discriminate on the basis of race or ethnic origin, religion or belief, color, gender expression or identity, sexual orientation, sexual identity, national origin, citizenship, age, marital status, veteran status, disability status, criminal prosecution, judgment in a criminal case, or any other characteristic protected by law. For more details about the personal data Superhuman collects during the recruitment process, for what purposes, and how you can address your rights, please see the Superhuman Data Privacy Notice for Candidates here.

• Design, build, and maintain highly available, scalable, and secure infrastructure and systems related to our blockchain participation and custody offerings. • Collaborate with cross-functional teams to identify and implement improvements in infrastructure, monitoring, system automation, and incident response. • Identify & implement solutions for your domain where process, automation or tooling can significantly improve our ability to operate our infrastructure. • Develop a present and forward looking view into what’s happening in each part of your domain and how it applies to the business. Establish and communicate views that inform leadership and organizational strategy. • Continuously research and stay up-to-date with emerging trends in the web3/blockchain space. • Identify, scope and build on new product opportunities that may bring value to the business • Debug complex distributed blockchains and protocols to improve our participation. • Implement monitoring, observability tools and best practices to ensure the health, performance, and stability of our blockchain infrastructure. • Participate in and make improvements to, domain specific on-call rotations to ensure the continued reliability and uptime of our services. • Work through others, to develop and maintain automation scripts and tools to streamline deployment, scaling, and recovery processes.