Integrations Engineer

Zero Hash

. Lead end-to-end integration workflows for deals nearing contract execution through go-live as the lead implementation engineer.

Posted 10/15/2026full-timeRemote • United States, CanadaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in Integration Engineering and Technical Implementation, with a strong focus on FIX Protocols, web APIs, and client onboarding processes. Proven ability to lead technical sessions and manage complex implementations in institutional trading environments.

Highest-signal resume keywords

FIX Protocol ExpertiseWeb API ProficiencySQL and Programming SkillsTechnical Implementation ManagementClient-Facing Technical Leadership

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

Integration EngineeringTechnical ImplementationFIX ProtocolREST APIsWebSocket APIsSQLPythonJavaScriptGoJava

Soft Skills

Analytical CapabilitiesProblem-SolvingTechnical CommunicationTeam Leadership

Tools & Technologies

Order Management SystemsExecution Management SystemsCentral Limit Order BooksDigital Asset CustodyAI-Assisted Tools

Industry Keywords

Institutional TradingMarket InfrastructureCrypto DepositsPayoutsStakingOrder-Flow ValidationProduction Deployment

Tech Stack

Tools & technologies

JavaJavaScriptPythonRuby on RailsSQLTypeScriptGo

About the role

Key responsibilities & impact

Lead end-to-end integration workflows for deals nearing contract execution through go-live as the lead implementation engineer.
Serve as the technical point of contact for clients integrating via CLOB FIX protocols and REST/WebSocket APIs.
Guide institutional clients through configuring and implementing Account Funding, Payouts, Crypto Deposits/Withdrawals, RFQ, and Staking.
Lead client engineering teams through sandbox environments, connection configuration, order-flow validation, edge-case testing, and production deployment.
Diagnose, debug, and resolve implementation blockers, API errors, payload misconfigurations, and connectivity issues.
Partner with Sales, Solutions Engineering, Product, and Core Engineering teams to hand off client requirements and accelerate feature additions needed for go-live.
Optimize implementation playbooks, client integration documentation, and automated testing tools to shorten onboarding timelines.

Requirements

What you’ll need

3–5+ years of experience in Integration Engineering, Technical Implementation, Technical Onboarding, Solutions Architecture, or a similar technical client-facing role.
Deep technical experience with FIX Protocol (FIX 4.2 / 4.4 / 5.0) in institutional trading, exchange, or market infrastructure environments.
Hands-on proficiency with web APIs: REST, WebSockets, JSON/HTTP, and distributed architecture patterns.
Hands-on experience with SQL and at least one programming/scripting language (Python, JavaScript/TypeScript, Go, or Java) for debugging, log parsing, and building test scripts.
Proven track record of managing technical implementations from initial kick-off through production launch under tight timelines.
Ability to effectively lead technical working sessions with client developers, system architects, and technical project managers.
Strong analytical capabilities to troubleshoot real-time order-flow issues, ledger adjustments, and protocol discrepancies across complex multi-product environments.
Preferred: Direct experience with Order Management Systems (OMS), Execution Management Systems (EMS), Central Limit Order Books (CLOB), or matching engine connectivity.
Preferred: Prior background implementing digital asset custody, crypto rails, deposit/withdrawal sweeping, yield/staking protocols, or fiat payout gateways.
Preferred: Experience working alongside prime brokers, proprietary trading desks, fintech brokers, or institutional crypto exchanges.
Preferred: Experience using AI-assisted tools to accelerate learning, log analysis, code generation, and implementation troubleshooting.

Benefits

Comp & perks

Healthcare Insurance: zerohash covers roughly 100% of employee premiums as well as a portion of spouse/children (U.S. only)
Vision & Dental Insurance (U.S. only)
Chance to earn equity
Maternity & Paternity leave (after 6 months)
WeWork All Access Membership
WFH Yearly Stipend
L&D Yearly Stipend (after 6 months)