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, PlasmaBFT. 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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