Senior Blockchain Engineer

Zero Hash

. Architect and build infrastructure powering digital asset transactions across multiple blockchain networks .

Posted 10/15/2026full-timeRemote • New York • United States, CanadaSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and maintaining blockchain infrastructure, with a strong focus on Go programming, gRPC microservices, and integration with custody platforms. Proficient in troubleshooting complex distributed systems and implementing transaction state machines with reliability guarantees.

Highest-signal resume keywords

Go ProgrammingBlockchain TechnologiesGRPC MicroservicesDistributed Systems PatternsTransaction State Machines

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Blockchain IntegrationTransaction SigningDeposit ProcessingConfirmation TrackingSQLMongoDBEvent-Driven ArchitectureIdempotencyDistributed LockingSmart Contracts

Soft Skills

Problem-SolvingCommunicationResourcefulness

Tools & Technologies

NATS JetStreamKafkaKubernetesPrometheusGrafanaOpenTelemetry

Industry Keywords

FinTechBanking-as-a-ServiceBrokerage-as-a-ServicePayment-as-a-ServiceDigital AssetsCentralized ExchangesBlockchain Custody Platforms

Tech Stack

Tools & technologies

Distributed SystemsGrafanaGRPCKafkaKubernetesMicroservicesMongoDBPrometheusSQLGo

About the role

Key responsibilities & impact

Architect and build infrastructure powering digital asset transactions across multiple blockchain networks
Design and build blockchain integration services for transaction signing, deposit processing, and confirmation tracking
Support EVM, Solana, Polkadot, XRP, and other blockchain networks
Build and maintain gRPC microservices in Go within an event-driven architecture using NATS JetStream
Implement transaction state machines with idempotency, distributed locking, reliability guarantees, and chain reorganization handling
Integrate with custody providers for secure transaction signing and wallet management
Monitor blockchain networks for deposits, confirmations, and anomalies
Participate in an on-call rotation responding to production incidents across blockchain infrastructure
Communicate directly with client technical teams when necessary

Requirements

What you’ll need

5+ years of software engineering experience, preferably in the FinTech space
Deep proficiency with Go
Understanding of blockchain technologies, protocols, and their applications
Experience with gRPC and Protocol Buffers
Familiarity with message brokers or event streaming systems (NATS, Kafka, or similar)
Experience with MongoDB or other document databases
Understanding of SQL and relational database schema design
Resourceful, get-it-done mindset and ability to go from 0 to 1
Excellent problem-solving skills for troubleshooting complex distributed systems
Ability to independently formulate and test hypotheses and solve ambiguous problems
Excellent verbal and written communication skills
Bachelor's in computer science or equivalent experience is preferred
Experience in banking-as-a-service, brokerage-as-a-service, or payment-as-a-service businesses preferred
Experience with digital assets or centralized exchanges preferred
Experience integrating with blockchain custody platforms such as Fireblocks or BitGo preferred
Experience with distributed systems patterns including distributed locking, idempotency, state machines, and CQRS preferred
Experience with smart contracts preferred
Familiarity with Kubernetes and observability tooling such as Prometheus, Grafana, and OpenTelemetry preferred

Benefits

Comp & perks

Remote work in NY, US / Canada
On-call rotation participation (compensation not specified)
Opportunity to work on challenging and rewarding blockchain infrastructure
Opportunity to make a massive impact in digital asset infrastructure
Autonomy and ownership in shaping work
Collaborative team environment
Learning and development through championing, challenging, and pushing employees to achieve their best