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Salary
≈ $81k – $154k per year (Estimated)
Location
In office (Southampton)
Seniority
Senior · 6+ years exp

First seen by Alion on Sep 19, 2026.

Overview
Company
Impact
Profile match
Kaleido is an enterprise blockchain platform company founded in 2018 and headquartered in Raleigh, North Carolina. It offers managed deployment of permissioned networks and tokenisation services with the governance and integration features large organisations require. The company contributes heavily to the open-source FireFly project for enterprise Web3 orchestration.

Kaleido is looking for a Software Engineer to develop scalable web3 platform features, shape architecture, and maintain cloud-native SaaS applications.

You will develop and maintain scalable, high-quality software for a web3 asset platform. You will collaborate with design, engineering, and product colleagues to deliver features, guide technical and architectural decisions, work with Kubernetes-based infrastructure, review code, and mentor other team members.

Responsibilities
  • Develop and maintain a scalable, readable, high-quality codebase
  • Collaborate with design, engineering, and product colleagues to deliver features and improve user experience
  • Drive technical direction and contribute to architectural decisions for projects and features
  • Evaluate emerging technologies and recommend technology selections
  • Mentor team members and conduct code reviews
  • Develop the web3 asset platform and participate in the Hyperledger Firefly open-source community
  • Work with Kubernetes operators and automation tools across SaaS microservices and blockchain infrastructure
Requirements
  • Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a related field
  • Proficiency in JavaScript and modern web frameworks such as React or Vue.js
  • Experience with AWS, Azure, or modern Infrastructure as a Service platforms
  • Experience developing and delivering production applications with strong user experience
  • Familiarity with global DevOps practices
  • Familiarity with Golang
  • Experience building low-latency microservices using Node.js and Express
  • Experience building large-scale production applications
  • 6+ years of software-development industry experience
  • Track record of building and maintaining enterprise-grade cloud-native SaaS solutions
  • Experience deploying and managing applications with Kubernetes on AWS, Azure, or GCP
Benefits
  • Equity ownership
  • Comprehensive medical, dental, and vision coverage for US and UK employees
  • Open paid-time-off policy
  • Retirement savings options for US and UK employees
Hiring process

Recruiter Interview → Manager Interview → Make a Project → Playback & Team Interview → Founder Conversation

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