Protocol Engineering
$180k - 225k per year
Cryptography & Decentralised Tech
Permanent
Europe
Remote

 

I'm currently working with an early-stage protocol company building privacy preserving infrastructure for Web3, with zero knowledge technology and consensus design at the core of the stack, who are looking for a Senior Protocol Engineer to help design, build, and maintain the distributed systems underpinning their network.

 

This is a hands-on engineering role working closely with both engineers and leadership, turning a strong technical vision into shipped product each quarter. The business is building privacy preserving protocols and developer tooling designed to make zero knowledge technology accessible and usable, rather than an afterthought bolted onto existing infrastructure.

 

You'll be working deep in distributed systems and consensus logic while also helping make that work accessible to product teams through clean interfaces and APIs.

 

This is a strong opportunity to work at the protocol layer of a genuinely differentiated zero knowledge platform with real technical depth and room to grow.

 

Responsibilities

  • Engineer core distributed system components including consensus logic, memory-mapped databases, networking stacks, and synchronisation logic, built to be performant, safe, and correct.
  • Take a lead role in consensus mechanism design and implementation, working through the trade-offs of safety, liveness, and performance at protocol level.
  • Support infrastructure engineers in maintaining monitoring and alerting systems to ensure high uptime and fast debugging.
  • Participate in an on-call rotation, responding promptly to production incidents and outages.
  • Wrap key protocol functionality in clean interfaces and APIs to make it accessible to product teams.
  • Communicate technical ideas clearly across engineering and leadership to align on quarterly deliverables.

 

Requirements

  • 5+ years of software engineering experience.
  • 2 to 3+ years of professional Rust experience.
  • Strong understanding of consensus mechanisms, with experience designing or working closely with consensus logic in a production system.
  • Strong foundation in blockchain concepts, ideally with experience contributing to a blockchain project.
  • Low-level systems programming and/or distributed systems design experience.
  • Comfortable working collaboratively across engineering and leadership to turn technical vision into shipped deliverables.

 

If you're an experienced protocol engineer with a strong consensus background looking to help build privacy preserving infrastructure from the ground up, then apply or get in touch directly.

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Lead Commercial Counsel
San Francisco, California, United States

We are partnering with a rapidly scaling, venture-backed AI infrastructure company to hire its first dedicated Commercial Counsel.

This is a ground-floor opportunity to join a lean legal team and take ownership of the commercial legal function as the company continues to scale. You’ll work closely with Sales/GTM, Product, Engineering and senior leadership, balancing a high volume of sophisticated transactions with the opportunity to build the processes, playbooks and systems that support the company's next phase of growth.

The Role

  • Own complex commercial and technology transactions from initial negotiation through execution.
  • Partner directly with Sales/GTM to help close strategic enterprise customers while balancing commercial objectives with legal risk.
  • Draft and negotiate enterprise customer agreements, SaaS/API and technology licensing agreements, infrastructure and capacity arrangements, strategic partnerships, supplier/procurement agreements, data/content licensing and other commercial contracts.
  • Build the commercial legal function's infrastructure, including templates, negotiation playbooks, contracting processes, CLM and AI-enabled legal workflows.
  • Advise cross-functional teams on issues involving privacy, data protection, IP, AI, security and evolving regulatory requirements.
  • Support sophisticated infrastructure and technology relationships involving cloud, compute, data centers and other strategic providers.
  • Manage outside counsel and legal service providers as needed.
  • Operate as a highly hands-on individual contributor while helping shape the longer-term commercial legal strategy.

What We’re Looking For

  • JD and active membership in at least one U.S. state bar.
  • 8+ years of relevant legal experience.
  • Strong commercial and technology transactions background, ideally combining law firm training with in-house experience.
  • Experience within a high-growth technology, AI/ML, developer platform, cloud infrastructure, SaaS or similarly technical business.
  • Proven experience negotiating sophisticated enterprise technology transactions across both the buy and sell side.
  • Strong understanding of SaaS/software licensing, APIs, IP, privacy and data protection.
  • Experience partnering directly with Sales/GTM, Product and Engineering teams.
  • Comfortable operating in a fast-paced environment where you will be expected to personally execute the work while simultaneously building the function around you.
  • Commercially minded and able to make pragmatic decisions in situations where there isn't an established playbook.
  • Cloud infrastructure, compute, GPU capacity or data center agreements
  • AI/ML or developer infrastructure
  • Model, content, data or open-source licensing
  • Privacy and cross-border data matters
  • Hardware, supply chain or procurement transactions
  • Building a commercial legal function during a period of significant company growth
  • Implementing CLM, contracting automation or AI-enabled legal workflows

This is not a traditional commercial counsel role within an established legal department. You'll have the opportunity to build the commercial legal function from the ground up, work directly with senior leadership and play a meaningful role in how a rapidly growing AI company sells, partners and scales.

There is also significant potential for the scope of the position to grow alongside the business, including the opportunity to take broader ownership of the commercial legal function over time.

 

Location: San Francisco – 5 days onsite

Head of Protocol
Zurich, Switzerland

 

I’m currently working with an early stage blockchain infrastructure company preparing for mainnet launch who are looking for a Head of Protocol Engineering to lead the design, build, and scale of a genuinely differentiated blockchain architecture.

 

This is a pivotal role reporting directly to the CTO, owning the core protocol stack and leading a small but highly capable engineering team. The business is building a new approach to on-chain data accessibility, removing the need for indexers and external query infrastructure through protocol-native architecture.

 

You’ll remain hands-on technically while driving engineering standards, roadmap execution, and team growth.

 

This is a rare opportunity to join at the right stage and shape both the technology and engineering culture of a protocol with significant upside.

 

Responsibilities

  • Own protocol engineering across nodes, storage systems, smart contracts, SDKs, and L2/L3 integrations.
  • Lead development of modified execution clients and queryable storage systems.
  • Drive performance optimisation across high-throughput distributed systems and database workloads.
  • Partner with the CTO on technical strategy, hiring plans, and roadmap execution.
  • Lead, mentor, and grow a team of engineers while staying close to the codebase.
  • Own protocol specs, developer tooling, and technical documentation standards.
  • Support production incidents where needed and continuously improve system reliability.

 

Requirements

  • Strong background in systems programming using Rust.
  • Deep distributed systems knowledge including consensus, replication, and failure modes.
  • Experience working on blockchain nodes, execution clients, or protocol-level systems.
  • Strong understanding of databases, storage engines, and query optimisation under load.
  • Previous leadership experience managing and growing engineering teams.
  • Hands-on mindset with the ability to lead while actively shipping code.
  • Excellent communication skills and ability to operate in a fast-moving environment.

 

If you’re an experienced protocol engineer or technical leader looking to shape a next-generation blockchain from the ground up, then click apply or get in touch directly.

Senior Business Central Consultant
Milan, Lombardy, Italy

 

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La risorsa sarà coinvolta in progetti di implementazione ed evoluzione di Microsoft Dynamics 365 Business Central, lavorando a stretto contatto con il cliente per analizzare i processi aziendali, raccogliere i requisiti funzionali e tradurli in soluzioni efficaci all’interno dell’ERP.

 

Principali responsabilità

  • Analisi dei processi operativi e raccolta dei requisiti di business
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  • Gestione e configurazione del modulo Manufacturing / Production
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  • Formazione e supporto agli utenti
  • Collaborazione con team tecnici e funzionali durante tutte le fasi progettuali
  • Identificazione di opportunità di ottimizzazione e miglioramento dei processi

 

Requisiti

  • Esperienza dai 4 anni in su come Business Central Functional Consultant
  • Ottima conoscenza dei processi Operations e dei relativi moduli di Business Central
  • Esperienza specifica sul modulo Manufacturing / Production
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  • Esperienza nella raccolta e analisi dei requisiti e nella gestione del rapporto con il cliente
  • Buone capacità comunicative, analitiche e di problem solving

 

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Senior Product Manager, Shield DEX
London, Greater London, England

Partnering with a well funded zero-knowledge protocol with private stablecoin infrastructure at its core, and they're looking to bring on a Product Lead to own their flagship consumer product, a privacy first self-custodial wallet and the protocol's first revenue generating product.

 

You'd be joining at a genuinely pivotal point. This wallet is what proves the underlying technology works as a real financial tool, not just research, and you'd own the strategy, roadmap and execution behind it, working closely with engineering, design, business and QA across multiple workstreams.

 

Responsibilities:

  • Own product strategy, roadmap and execution for a privacy preserving self-custodial wallet
  • Author PRDs, EPICs, user stories and release plans that translate product vision into engineering deliverables
  • Balance customer needs, business objectives, technical constraints and delivery capacity in roadmap prioritisation
  • Shape strategy for private stablecoin payments and self custody wallet experiences
  • Drive a shared services layer that keeps mobile and extension platforms in sync
  • Lead work that makes privacy preserving transactions feel as simple as sending a normal payment
  • Expand monetisation through on-ramp partnerships and lead new product integrations as the product grows

 

Requirements:

  • Strong track record owning product from strategy through delivery, ideally in wallets, payments or self custody.
  • Comfortable operating in a technical environment, translating cryptographic complexity into something usable
  • Experience partnering closely with engineering, design and QA across multiple workstreams
  • Background in Web3 or privacy tech adds weight but isn't a dealbreaker if the product instincts are sharp

 

If consumer facing crypto product work is where you thrive, and you want to own a product that genuinely matters to a small, serious team with real backing, get in touch to find out more.

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  • Senior Software Engineer, AI / Full-Stack
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  • Type: Full-time
  • Work Auth: Must be a US Citizen/Green Card Holder

 

About the Company

We’re partnered with a fast-growing, well-backed healthcare technology company building AI-powered software for U.S. healthcare providers.

 

The company is developing technology that helps hospitals improve how they manage patient care, coordinate complex workflows, and engage with patients at scale. Their platform combines modern software with AI to solve meaningful operational and patient-facing challenges within healthcare.

This is a small, highly technical team where engineers have significant ownership and the opportunity to work directly with senior engineering and product leadership.
 

The Opportunity

We’re looking for a Senior Software Engineer with strong AI / Full-Stack experience to play a key role across both the core product and next-generation AI capabilities.
 

A major focus of the role will be building and improving production voice AI systems including AI agents that communicate with patients and care teams, realtime transcription, multilingual experiences, intelligent escalation, and the workflows that enable reliable conversations.

Alongside the AI work, you’ll contribute heavily to the customer-facing product, building sophisticated workflows, dashboards, and services used by healthcare organizations.
 

This is an opportunity for an engineer who enjoys working across the stack and wants to take AI systems beyond prototypes into reliable, production-grade products.
 

What You’ll Do

  • Build and ship features across the core healthcare product and voice AI platform.
  • Develop and improve production voice agents for outbound and inbound patient communication.
  • Work on realtime systems including transcription, turn-taking, tool use, call routing, and human handoff.
  • Design and improve LLM-powered workflows, prompts, tools, and agent behavior.
  • Develop evaluation frameworks and regression testing for AI systems.
  • Debug and improve the reliability of nondeterministic AI systems in production.
  • Own production considerations including latency, observability, safe deployments, and failure recovery.
  • Build modern customer-facing experiences using React and TypeScript.
  • Develop backend services and APIs using Python and related technologies.
  • Work closely with product and clinical stakeholders to determine how AI should be used safely and effectively.
  • Contribute across adjacent product, backend, and integration work as the needs of a small team evolve.

What We’re Looking For

  • 4+ years of professional software engineering experience or equivalent seniority.
  • Strong Python engineering experience, particularly across backend or AI/agent systems.
  • Strong TypeScript/React experience and the ability to build modern product experiences.
  • Hands-on experience building LLM-powered applications in production.
  • Experience with tool/function calling, prompt and workflow design, LLM evaluation, and production debugging.
  • Experience with realtime communications, telephony, streaming audio, WebRTC, SIP, or similar technologies is highly desirable.
  • A strong engineering mindset around reliability, security, observability, and production quality.
  • Comfort working in a small, fast-moving environment with significant autonomy and ambiguity.
  • Strong communication skills and the ability to work closely with product and non-technical stakeholders.

Nice to Have

  • Experience with voice AI or agent frameworks such as LiveKit Agents.
  • Experience with healthcare technology, HIPAA, or SOC 2.
  • Experience with AWS/serverless architectures.
  • GraphQL experience.
  • Experience building complex workflow or analytics-driven UIs.
  • Experience developing automated evaluations or scenario-based testing for AI agents.

Technology

Python · LiveKit · LLMs · SIP/Telephony · React · TypeScript · AWS · GraphQL · pytest
 

Why This Role?

  • Build AI products that are already being used in real-world healthcare environments.
  • Work on technically challenging voice AI and realtime systems, rather than simple LLM wrappers.
  • Own meaningful parts of the product across both frontend and backend.
  • Work directly with senior engineering and product leadership.
  • Join a small team where your technical decisions have a direct impact on the product.
  • Help shape how AI is safely deployed in patient-facing healthcare workflows.

 

If this Senior Software Engineer role sounds like you, then please apply today!

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