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Senior Backend Developer

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Summary

Senior backend developer at Colossus Digital, a blockchain infrastructure company powering institutional staking. You'll own architecture, performance, and security of Node.js (NestJS) microservices running on Kubernetes/AKS with MongoDB across GCP/AWS cloud.

Senior Backend Developer – Blockchain InfrastructureAbout Colossus Digital

We’re a blockchain infrastructure company powering institutional staking. Our Institutional Hub connects custody providers like Ledger Enterprise and Fireblocks to secure, compliant staking across multiple blockchains.


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We’re looking for a Middle/Senior Backend Developer to lead and scale our backend systems. You’ll own architecture, drive performance, and ensure security across our microservices and AKS infrastructure. xysqume

What you’ll bring

Strong experience with Node.js (NestJS preferred)

Expertise in microservices, cloud platforms (GCP/AWS), and Docker/Kubernetes

Solid knowledge of MongoDB, API design, and backend security (OAuth2, JWT)

Leadership in architecture and mentoring

Testing Frameworks (such as Jest)

Secure, scalable microservices architecture

Engage with the future of finance


Skills

What Senior Backend jobs ask for — and how much of it you have →
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See also

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