Job Title: Senior Backend Engineer (Typescript)

Company Name: Cryptio

Job Details: RemoteFull,Time

Job Url: https://hiring.cafe/viewjob/4btkontcs2attk90

Job Description: Posted 5mo agoSenior Backend Engineer (Typescript) @ CryptioView All JobsWebsiteUnited Kingdom or FranceRemoteFull TimeResponsibilities:Write code, Collaborate with, Map dataRequirements Summary:5+ years software development; TypeScript; API integrations; English proficiency; remote work.Technical Tools Mentioned:TypeScript, Nest.js, Temporal, Redis, S3, Kubernetes, Docker, AWS, GitLab, Axios, Zod
About CryptioWe’re Cryptio. We build infrastructure to bring financial integrity to the crypto economy. Our enterprise-grade back-office and data platform power mission-critical accounting, reporting, and operational workflows for institutions, corporates, and crypto-native organisations.We’re trusted by leaders like Circle, Societe Generale, Uniswap, Gemini, and the Government of El Salvador. We’ve raised $26m from top investors including Point Nine, 1kx, Tim Draper, and Ledger Cathay.The roleWe’re hiring Senior Backend Engineers to join our Integrations squad. You’ll be at the core of building and maintaining integrations between Cryptio’s SaaS platform and the crypto ecosystem’s richest set of third-party APIs, supported by a modern engineering stack (TypeScript, Nest.js, Temporal, Kubernetes, AWS, Docker).This isn’t back-office plumbing—your work will be mission-critical for customers who rely on us for accurate back-office operations and compliance. You’ll be challenged by rapidly changing APIs, dynamic data structures, and the need to deliver seamless, scalable connections to new exchanges, custodians, and trading systems.Key technologiesTypeScript (key dependencies: Axios, Zod, Nest.js, Temporal)RedisS3Kubernetes on AWS, Docker, GitLab… (modern development stack)What you’ll doWrite production-grade TypeScript, bringing new integrations online and maintaining existing onesOwn the end-to-end process: scope, document, and test your code for reliabilityCollaborate with Product and other engineers to make sure integrations meet customer needsMap messy, evolving data models into unified schemasMonitor health, resolve data inconsistencies, and proactively fix or improve integrationsContribute to architecture decisions to enhance scalability and reliabilityWe’re looking for someone whoHas 5+ years of software development experience and confident working with TypeScript Has hands-on experience integrating third-party APIs (REST, GraphQL) and wrangling with OAuth/JWT/auth flowsBrings clear communication—comfortable switching between technical and non-technical audiencesThrives in fast-paced, collaborative teamsHas an analytical mindset, enjoys problem-solving, and is excited by crypto and fintechCommunicates fluently in English, written and spokenWhy you’ll love this roleYou’ll be at the heart of the crypto/finance data revolution, shaping how large institutions navigate a rapidly evolving industryWork with cutting-edge tech in a high-trust, remote-first environment where quality and ownership matterWork 100% remotely, with occasional travel to our hubs in Paris or LondonLots of internal mobility opportunities25 days annual leave, your birth off, private medical, pension, home office budget and more!Interview ProcessHere’s what you can expect as we get to know each other:Talent Screen (15-30 min): We'll kick things off with a friendly video call where we can talk about your application, go over the role’s responsibilities, and answer any questions you might have about Cryptio.Technical Interview (1 hour): Next, you'll join one of our tech leads for a live coding session and a Q&A; it's a great chance to show your skills and learn more about our technical challenges.Team Interview (30 min): You’ll then meet with an engineer from your potential team and a product manager. This is an informal chat to help us get to know you better and to find out more about how you like to work with others.Final Interview (30 min): To wrap things up, you’ll have a conversation with our CTO. This is a high-level discussion focused on making sure the role feels like the right fit for you.Perks👩‍💻 Remote or Hybrid working🏝️ 25 days paid holiday plus bank holidays🙌 One additional day of annual leave each year, up to 30 total days🎂 Your birth off🧘 Mental health resources, wellbeing programs, and professional coaching🫶 Family-friendly policies💪 Fitness and wellness budget💻 MacBook Pro🖥️ $200 home office setup budget🎓Training and development budget*** we have additional benefits depending on location If this sounds like you, we would love to hear from you 🙌At Cryptio, we move fast and take ownership of outcomes. We learn from failures, celebrate wins, and let humility, curiosity, and a passion for crypto guide how we work. If you value collaboration and want to build with purpose, you’ll feel right at home here.