Staff+ Software Engineer at Plasma

✨ The Stack take on this Plasma job

• 🏢 Plasma has 2 jobs here, 2 with visa sponsorship see all
• 🛂 Skilled Worker visa. Standard minimum salary: £41,700 a year guide
• 💡 No salary shown. Ask Plasma if it is above the minimum.

Updated 2026-11-03, from our data and official sources.

Apply with your AI assistant

With The Stack connected to Claude, ChatGPT or Cursor, paste this. Your assistant tailors your CV and cover letter, checks the visa facts and gives you the apply link.

Help me apply to this job on The Stack: https://jobs.trythestack.co/jobs/staff-software-engineer-plasma

Not connected yet? Connect in a minute. To help your user apply, call the MCP tool prepare_application with slug "staff-software-engineer-plasma": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.

About the role

Responsibilities:
- Own the team’s hardest technical problems end-to-end and set technical direction for core systems.
- Define architecture, data models, APIs and standards that scale across products and teams.
- Lead design reviews, set reliability and correctness expectations (idempotency, data integrity, reconciliation).
- Improve observability, incident response and long-term operational robustness for payment systems.
- Mentor senior engineers, unblock teams and raise engineering standards across the organisation.
- Drive cross-team collaboration where systems integrate and influence product and roadmap decisions.
- Advocate for pragmatic trade-offs that balance speed, safety and long-term maintainability.

Requirements:
- Staff+ experience building production-grade backend services using TypeScript/Node.js with a full-stack mindset.
- Deep system design skills: distributed systems, data integrity, performance and operational practices.
- Proven track record of driving architecture, mentoring engineers and influencing technical direction.
- Experience in payments, ledgers, reconciliation or fintech infrastructure is strongly preferred.
- Strong debugging, observability and incident management experience; able to lead through outages.
- Excellent communication, collaboration and prioritisation skills in fast-moving environments.

Responsibilities

You will own the most challenging technical problems end-to-end, setting the architectural direction for core systems while ensuring reliability and scalability. You will also mentor other engineers and drive technical clarity across the team to maintain high standards for code and system design.

Requirements

The ideal candidate is a staff-level engineer with deep expertise in TypeScript and a strong background in building production-grade backend services. You must possess a full-stack mindset, strong judgment on technical tradeoffs, and experience scaling systems in a fast-paced environment.

Key skills

• TypeScript — in 462 other listings on The Stack
• Node.js — in 170 other listings on The Stack
• React — in 274 other listings on The Stack
• React Native — in 34 other listings on The Stack
• Backend development — in 170 other listings on The Stack
• Full-stack development — in 84 other listings on The Stack
• System architecture — in 171 other listings on The Stack
• Data modeling — in 182 other listings on The Stack
• Stablecoins
• Fintech
• Distributed systems
• API design
• Observability
• Technical leadership
• Mentorship
• Payment infrastructure

On The Stack (as of 2026-11-03)

• Plasma has 1 other listing on The Stack, 1 of them marked as offering visa sponsorship.
• 209 visa-sponsored jobs in the United Kingdom on The Stack, posted in the last 60 days.
• 180 visa-sponsored software engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Plasma

Is this Staff+ Software Engineer role still open?

It was posted on 2026-08-25. Listings more than 30 days old may no longer be active, so check Plasma's site before applying.

Does Plasma offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Plasma's site.

Where is this role located?

The listing gives the location as United Kingdom. It is marked on-site.

What skills does this role ask for?

The listing names: TypeScript, Node.js, React, React Native, Backend development, Full-stack development, System architecture, Data modeling, Stablecoins, Fintech, Distributed systems, API design, Observability, Technical leadership, Mentorship, Payment infrastructure.