Contract Full-Stack JavaScript Developer - AI Platform
other jobs Opus Recruitment Solutions Ltd
Added before 13 hours
- England,London,City of London
- Full Time, Contract
- £500 - £600 per day
Job Description:
Contract Full-Stack JavaScript Developer (AI Platform)
Location: 3 days per week in London Office
Duration: 4 weeks with a longer term extension afterwards.
IR35 Status: Outside IR35
Rate: £500p/d – £600p/d
Opus is partnering with a cutting-edge FinTech start-up to secure a Contract Full-Stack JavaScript Developer.
You’ll be joining a small, high-calibre team building a platform to improve workflows within the the FinTech space. They have a genuinely interesting problem at the intersection of frontend engineering, backend systems, and applied LLM tooling.
This is a true 0–1 build, ideal if you enjoy ownership, clean abstractions, and shipping product quickly.
What You’ll Be Working On
*Building and extending agent-driven workflows.
*Developing context management and LLM entry points. Only application-layer LLM integrations, not model training)
*Expanding slide generation functions and data structures.
*Full-stack feature development, with a frontend-heavy bias
*Collaborating closely with product and engineering stakeholders in a fast-moving environment
Tech Stack
*Next.js
*TypeScript
*Tailwind CSS
*Node.js
*PostgreSQL
*Claude Agent SDK
*Pydantic
*AWS
*Terraform
*Modal Sandboxes
Interested?
Apply now or send your latest CV to ASAP!
If you haven’t heard back within 48 hours, please assume your application was not successful this time.
Location: 3 days per week in London Office
Duration: 4 weeks with a longer term extension afterwards.
IR35 Status: Outside IR35
Rate: £500p/d – £600p/d
Opus is partnering with a cutting-edge FinTech start-up to secure a Contract Full-Stack JavaScript Developer.
You’ll be joining a small, high-calibre team building a platform to improve workflows within the the FinTech space. They have a genuinely interesting problem at the intersection of frontend engineering, backend systems, and applied LLM tooling.
This is a true 0–1 build, ideal if you enjoy ownership, clean abstractions, and shipping product quickly.
What You’ll Be Working On
*Building and extending agent-driven workflows.
*Developing context management and LLM entry points. Only application-layer LLM integrations, not model training)
*Expanding slide generation functions and data structures.
*Full-stack feature development, with a frontend-heavy bias
*Collaborating closely with product and engineering stakeholders in a fast-moving environment
Tech Stack
*Next.js
*TypeScript
*Tailwind CSS
*Node.js
*PostgreSQL
*Claude Agent SDK
*Pydantic
*AWS
*Terraform
*Modal Sandboxes
Interested?
Apply now or send your latest CV to ASAP!
If you haven’t heard back within 48 hours, please assume your application was not successful this time.
Job number 3643386
Increase your exposure to recruiters with ProJobs
Thousands of recruiters are looking for you in the Job Master profile database, increase your exposure 4 times with a ProJob subscription
You can cancel your subscription at any time.
metapel
Company Details:
Opus Recruitment Solutions Ltd
Innovative and award-winning. Niche and global. Unrivalled and ever-evolving. Our specialist recruitment solutions are only as successful as the clien...