Senior Backend Engineer: Blockchain Infra & Go Microservices

At Kaleido, we help some of the world’s largest financial institutions, enterprises, and digital asset companies build and scale blockchain-powered solutions. Our platform combines tokenization, custody, digital cash, and blockchain infrastructure into a complete enterprise-grade platform built for production environments. We are an engineering-driven company focused on solving complex technical challenges for real-world enterprise and institutional use cases. Our customers include global banks, financial market infrastructure providers, fintechs, and digital asset companies building the next generation of financial services. The role As a Senior Backend Engineer at Kaleido, you will help design, build, and scale the infrastructure powering enterprise blockchain and digital asset platforms. You’ll work across distributed systems, blockchain integrations, cloud-native services, and developer tooling in high-scale production environments. Responsibilities As a Senior Backend Engineer you will: Designing and building scalable backend services and APIs in Go. Developing infrastructure and platform tooling for blockchain nodes, custody systems, tokenization workflows, and digital asset platforms. Building and operating cloud-native microservices architectures in Kubernetes-based production environments with a focus on reliability, observability, and scalability. Working closely with protocol, product, and infrastructure teams to integrate new blockchain networks, protocols, and platform capabilities. Improving engineering velocity through CI/CD pipelines, deployment automation, internal tooling, and operational best practices. Collaborating with highly technical engineers across backend, protocol, DevOps, and infrastructure disciplines. Evaluating and leveraging modern AI‑assisted engineering workflows and tooling where appropriate across development and operational processes. Participating in technical architecture discussions and helping shape engineering standards, scalability decisions, and long‑term platform design. Staying current with developments across blockchain infrastructure, distributed systems, cloud platforms, and backend engineering practices. Requirements 5+ years of backend software engineering experience building scalable distributed systems in production environments. Computer Science degree or equivalent practical experience. Strong experience with Go (Golang). Experience designing and operating microservices architectures in cloud-native environments. Experience working with Kubernetes, Docker, CI/CD pipelines, and infrastructure automation tooling. Strong understanding of distributed systems, networking fundamentals, APIs, concurrency, and backend architecture patterns. Experience operating and troubleshooting high-scale production systems with a focus on reliability and performance. Strong problem-solving skills and the ability to independently drive technical solutions from design through implementation. Ability to learn quickly, navigate ambiguity, and work across a broad technical surface area. Strong communication with team members, stakeholders, and customers. Preferred qualifications Experience working with blockchain infrastructure, RPC systems, validators, or node operations. Experience integrating with EVM-based chains, Ethereum tooling, wallets, custody systems, or tokenization platforms. Familiarity with cloud platforms such as AWS, Azure, or GCP. Experience with TypeScript or Python. Experience with observability tooling, distributed tracing, and production monitoring systems. Exposure to AI‑assisted engineering workflows, automation tooling, or AI infrastructure integrations. Open-source contributions or experience working with developer platforms and SDKs. Diversity and Inclusion Kaleido is committed to fostering an inclusive workplace that celebrates diversity in all its forms. We value and respect individuals from varied backgrounds, cultures, and experiences and strive to create an environment where everyone feels welcome and supported. Kaleido is an equal‑opportunity employer. We encourage qualified individuals of all backgrounds to apply. Equity Ownership in a #1 rated platform and the trusted choice of Global Fortune 50 companies and leading organizations worldwide has its perks! Health Coverage We provide comprehensive health coverage, including medical, dental, and vision benefits, tailored to meet the needs of our employees in both the US and the UK. Flexible Vacation Policy We believe hard work & creativity should be rewarded - so we have an open paid‑time‑off policy. When you need some time off, just let us know, then go! We offer generous retirement savings options for both US and UK employees to help you build a solid foundation for the future. Equal Opportunity Kaleido is proud to be an equal opportunity employer and deeply values diversity. We strive to create an inclusive environment for the diverse cultures, perspectives, and experiences in our workforce. #J-18808-Ljbffr Kaleido