Research Engineer

Location: Greater London

Research Engineer# Research Engineer

PPlasma

FULL TIME
• NAJob description

Plasma is building a purpose-designed blockchain optimized for stablecoin payments, focusing on performance, predictability, and security for real-world financial use cases. The network is fully EVM-compatible, uses Reth as its execution layer, and runs on a custom high-performance consensus protocol, Plasma

BFT. As a Research Engineer, you will work within a small research group to guide the evolution of Plasma One, the company’s stablecoin-focused neobank.

The role centers on translating ambiguous research problems into practical protocol directions, evaluating cryptographic and privacy solutions, producing detailed design specifications, and validating ideas through targeted proofs-of-concept. You will collaborate closely with engineering, product, and leadership to shape protocol-level decisions that can realistically ship.##  Responsibilities
* Convert loosely defined research questions into structured plans by clarifying constraints, success metrics, and feasible solution paths.
* Evaluate build-versus-buy decisions for cryptography and privacy technologies, including confidential transaction and confidentiality mechanisms.
* Produce detailed technical design artefacts such as threat models, protocol sketches, interface boundaries, and rollout considerations.
* Develop proofs-of-concept to validate feasibility, performance characteristics, and integration risks where appropriate.
* Research hookup improvements across protocol areas including zero-knowledge systems, applied cryptography, networking, block propagation, consensus trade-offs, and latency optimization.
* Communicate technical trade-offs clearly across product, research, engineering, and platform teams.
* Operate as part of a small, high-leverage research group, prioritizing high-impact investigations and unblocking others through clear guidance.
* Maintain high standards of rigor, including security reasoning, adversarial thinking, and practical correctness.##  Requirements
* Research-oriented engineer capable of taking ideas from conceptual research to practical, implementable designs.
* Comfort working with ambiguous problem statements and shaping them into concrete decisions.
* Strong understanding of cryptography, protocol design, adversarial models, and performance constraints.
* Ability to balance theoretical soundness with product and delivery considerations.
* Clear written and verbal communication skills for producing executable design documentation.
* Experience collaborating closely with leadership and cross-functional teams, including reporting into a CTO role.##  Compensation & Benefits
* Above-market salary with token-based compensation.
* Comprehensive insurance coverage for employees and their families.
* Monthly wellness stipends.
* Visa sponsorship and relocation support.
* London-based office with gym access and daily lunches.
* Generous annual software and hardware allowances.
* Flexible time-off policy.
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