At Sygma, we are actively seeking an individual who is profoundly invested in improving the blockchain interoperability space, has experience working with blockchain protocols, and aspires to enrich these domains by merging their functionalities. Our next-generation interoperability and cross-chain account abstraction stack is built using cutting-edge blockchain and verifiable computation technologies: Optimism Cannon, Halo2, zkVMs. Our interoperability protocol focuses on expanding our Sygma solution to be trust-minimized through the design and implementation of innovative cross-chain technologies, specifically ZK and Optimistic bridges, targeting full consensus verification of Ethereum, Polkadot, and extensibility to other chains like Bitcoin. As a Blockchain Golang Backend Engineer (Cross Chain Interoperability Protocol), your primary responsibility will be to architect and implement a variety of extensions to the foundation of the Sygma interoperability and cross-chain account abstraction protocol and tools utilizing it. Your expertise will undoubtedly contribute to the sophistication of blockchain interoperability and redefine the boundaries of what’s possible within this emerging technological sphere. All work across Sygma will be open-source, ensuring expansive opportunities for deep contribution and collaborative efforts across various blockchains and ecosystems. Responsibilities Design, develop, and maintain highly performant backend services and APIs using GoLangIntegrate with various Interoperability protocols and networks, wallet providers and Dapps to aggregate cross-chain balances and ensure smooth user interactionsImplement and optimize routing algorithms to find optimal solutions for fulfilment of complex transactionsProactively improve current solutions and look to ensure the security, scalability and performance of backend servicesContribute to the automation of development processes, including build, deployment, and monitoring.Write clean, maintainable, and well-documented code Required Skills 2+ years working with blockchain technologies as a developer and at least 3+ years in total working as a Software EngineerExcellent proficiency in Golang with a strong background in developing high-performance backend services and APIsExtensive knowledge and practical experience with the EVMExperience with building distributed systems and understanding of system design conceptsExcellent debugging skills with attention to detail.Problem-solving and hacking mindset, being naturally curious to research, explore, and tinker with complicated and unfamiliar codebasesBe able to proactively dive into the novel territory and share knowledge on what you’ve learnedWillingness to learn across multiple technology stacks Bonus Skills Experience working with interoperability projects or protocolsExperience building distributed systems. Expertise in identifying and analyzing performance bottlenecksExperience with cloud environments like AWSExperience with containerization (e.g Docker, Kubernetes)Expertise in SQL and/or other database storage enginesExperience building distributed systems We strongly encourage you to apply even if you don’t fit all the requirements. You don’t have to match all the listed requirements exactly to be considered for this role. Hiring Steps Candidates for this position can expect the hiring process at Chainsafe to follow the order below. Please keep in mind that candidates can be declined from the position at any stage of the process. Qualified candidates will be invited to schedule a 30-45 minute screening call with one of our tech recruitersNext, candidates will be invited to schedule a 60-minute interview with the hiring teamThen, candidates will be invited to schedule a 60-minute Technical InterviewLast, Candidates will be asked to complete a technical task that takes under 4 hours, but we provide up to 1 week to complete. We welcome your fresh perspectives and ideas At ChainSafe, diversity and inclusion are more than a statement; equality and accessibility are guiding principles embedded in who we are - and why we do what we do. We recognize the benefits of a diverse team and aspire to embed respect for all people into our culture, values, and day-to-day practices. We encourage women, LGBTQIA+ people, people of color, and members of any other group underrepresented in the blockchain space (or tech in general) to apply. ChainSafe is a remote-first company with an international team. We offer opportunities for personal and professional learning and growth, value autonomy and responsibility, and have a results-driven environment, flexible work hours and time-off policy, as well as competitive salary. Salary will be determined through the interview process after a review of experience, knowledge, skills, abilities, equity, and location, as well as alignment with market data. How to Apply Please click Apply Now and fill out the Greenhouse application form and ensure that you attach your resume and link your Github/Gitlab profile or any software project you have contributed to (if applicable).