TechTree
Principal Engineer
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This is a role that TechTree is recruiting for on behalf of one of our clients.
TechTree is an AI-driven recruitment platform working with high-growth companies.
When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one application can unlock multiple roles.
Principal Engineer — Build a disinformation intelligence platform from the ground up. Fully remote.
An AI company is building systems to help organisations detect and respond to disinformation attacks in real time. The platform combines machine learning, proprietary knowledge of attack and defence techniques, and large-scale, high-throughput data analysis. The founding team brings over forty years of combined experience building data systems used by national security and commercial organisations.
This is a Principal / Founding Engineer role — hands-on engineering combined with technical leadership. You’ll work directly with the CTO, Founding ML Engineer, and Threat Intelligence Analyst to build both the MVP and the long-term technical foundation.
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What You’ll Own
- Design, build, and operate the disinformation intelligence platform
- Lead ingestion, enrichment, and analysis of large-scale internet data
- Build end-user experiences combining strategic insight with detailed information
- Balance short-term delivery with long-term platform development
- Establish engineering and quality best practices
- Mentor team members and shape a collaborative engineering culture
What We’re Looking For
- Go expertise — required
- Extensive experience scaling highly transactional platforms
- History of building rich, multi-tenant web applications
- Operational experience with streaming and batch data processing frameworks
- Background in national or cyber security, or financial services (KYC/AML)
- Experience building intelligence systems handling high-dimensional data at internet-scale volumes
- UK-based, fully remote
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Stack: Go
- Python
- SQL (Postgres)
- NoSQL (MongoDB, Redis, Neo4J, OpenSearch)
- Vector databases
- Streaming frameworks
- Spark
- Airflow
- Go/Templ/HTMX frontend
Benefits: competitive salary + equity
- 25 days holiday + birthday off
- Private pension
- Hybrid and flexible working
- Quarterly socials
What is TechTree?
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Our AI Agent gets to know your background, experience, and what you’re optimising for. It continuously matches you to live roles across our network where there’s genuine alignment, not just keyword overlap.
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