Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Build and maintain integrations for a cutting-edge crypto platform using TypeScript.
- Company: Join Cryptio, a leader in financial integrity for the crypto economy.
- Benefits: Enjoy remote work, 25 days annual leave, and a home office budget.
- Why this job: Shape the future of finance while working with innovative technologies.
- Qualifications: 5+ years in software development with strong TypeScript and API integration skills.
- Other info: Dynamic, remote-first culture with opportunities for growth and travel.
The predicted salary is between 36000 - 60000 ÂŁ per year.
Location: UK (Remote)
Employment Type: Full time
Location Type: Remote
Department: Engineering
About:
We're Cryptio. We build infrastructure to bring financial integrity to the crypto economy. Our enterpriseâgrade backâoffice and data platform power missionâcritical accounting, reporting, and operational workflows for institutions, corporates, and cryptoânative 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 opportunity:
We're hiring a Backend Engineer 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 thirdâparty APIs, supported by a modern engineering stack (TypeScript, Nest.js, Temporal, Kubernetes, AWS, Docker). This isn't backâoffice plumbingâyour work will be missionâcritical for customers who rely on us for accurate backâoffice 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 technologies:
- TypeScript (key dependencies: Axios, Zod, Nest.js, Temporal)
- Redis
- S3
- Kubernetes on AWS, Docker, GitLab (modern development stack)
What you'll do:
- Write productionâgrade TypeScript, bringing new integrations online and maintaining existing ones
- Own the endâtoâend process: scope, document, and test your code for reliability
- Collaborate with Product and other engineers to make sure integrations meet customer needs
- Map messy, evolving data models into unified schemas
- Monitor health, resolve data inconsistencies, and proactively fix or improve integrations
- Contribute to architecture decisions to enhance scalability and reliability
We're looking for someone who:
- Has 5+ years of software development experience and is confident working with TypeScript
- Has handsâon experience integrating thirdâparty APIs (REST, GraphQL) and wrangling with OAuth/JWT/auth flows
- Brings clear communicationâcomfortable switching between technical and nonâtechnical audiences
- Thrives in fastâpaced, collaborative teams
- Has an analytical mindset, enjoys problemâsolving, and is excited by crypto and fintech
- Communicates fluently in English, written and spoken
Why you'll love this role:
- You'll be at the heart of the crypto/finance data revolution, shaping how large institutions navigate a rapidly evolving industry
- Work with cuttingâedge tech in a highâtrust, remoteâfirst environment where quality and ownership matter
- Work 100% remotely, with occasional travel to our hubs in Paris or London
- Lots of internal mobility opportunities
- 25 days annual leave, your birthday off, private medical, pension, home office budget and more!
Interview process:
- Talent Screen â 30 min
- Technical Interview â 1h
- Culture Interview â 30 min
- Offer
Ready to power missionâcritical integrations for the world's leading crypto institutions? We'd love to hear from you.
Senior Backend Engineer (Typescript) in London employer: Cryptio
Contact Detail:
Cryptio Recruiting Team
StudySmarter Expert Advice đ¤Ť
We think this is how you could land Senior Backend Engineer (Typescript) in London
â¨Tip Number 1
Network like a pro! Reach out to folks in the crypto and fintech space on LinkedIn or Twitter. Join relevant groups and forums where you can connect with industry insiders. You never know who might have the inside scoop on job openings!
â¨Tip Number 2
Show off your skills! Create a GitHub profile showcasing your TypeScript projects, especially any integrations you've worked on. This gives potential employers a taste of what you can do and sets you apart from the crowd.
â¨Tip Number 3
Prepare for those interviews! Brush up on your knowledge of APIs, OAuth, and data structures. Practice explaining complex concepts in simple terms, as you'll need to communicate effectively with both technical and non-technical audiences.
â¨Tip Number 4
Apply through our website! Itâs the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining our team at Cryptio and contributing to the crypto revolution!
We think you need these skills to ace Senior Backend Engineer (Typescript) in London
Some tips for your application đŤĄ
Tailor Your CV: Make sure your CV is tailored to the Senior Backend Engineer role. Highlight your experience with TypeScript and any relevant integrations you've worked on. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for crypto and fintech, and explain why youâre excited about this opportunity at Cryptio. Let us know how you can contribute to our mission.
Showcase Your Projects: If you've got any projects that demonstrate your backend engineering skills, especially with APIs, make sure to include them. We love seeing real-world applications of your work, so donât hold back!
Apply Through Our Website: We encourage you to apply directly through our website. Itâs the best way for us to receive your application and ensures youâre considered for the role. Plus, it shows youâre keen on joining our team!
How to prepare for a job interview at Cryptio
â¨Know Your Tech Stack
Make sure youâre well-versed in TypeScript and the key technologies mentioned in the job description, like Nest.js and AWS. Brush up on your experience with third-party APIs and be ready to discuss specific projects where you've integrated these technologies.
â¨Showcase Problem-Solving Skills
Prepare examples of how you've tackled complex integration challenges in the past. Be ready to explain your thought process and the steps you took to resolve issues, especially in fast-paced environments.
â¨Communicate Clearly
Practice explaining technical concepts in a way that non-technical stakeholders can understand. This role requires switching between technical and non-technical audiences, so demonstrate your ability to communicate effectively during the interview.
â¨Understand the Crypto Landscape
Familiarise yourself with the crypto economy and the specific challenges it faces. Showing genuine interest and knowledge about the industry will set you apart and demonstrate your enthusiasm for the role.
