Senior Full-Stack Engineer, Verification Platforms

EngineeringNairobiOn SiteFull Time

Engineering roles include equity and benefits

Role-specific work authorization terms apply by location.

About GTCX Sovereign

GTCX partners with corridor authorities to deploy governed verification infrastructure across Africa.

GTCX prepares trade corridors with named leads, proof, tests, logs, review, and delivery records.


About this role

This role builds verification applications with governed evidence, practical operator workflows, and accountable corridor operating outcomes.Control Centerfor real-time oversight of agent conversations,Research Platformfor natural language queries over trade data, andAgent Studiofor designing agent behavior without code.

Own significant verification features end to end, from governed data design through operator workflows and accountable release.


What you'll do

  • Build and ship features across Control Center, Research Platform, and Agent Studio

  • Design and implement real-time interfaces for verification oversight: streaming conversations, escalation workflows, audit trails

  • Create natural language query interfaces over trade data with appropriate certainty and feasibility indicators

  • Build no-code tools that enable non-engineers to design and configure agent behaviors

  • Implement responsive, accessible UIs that work across desktop and mobile for verification users

  • Design APIs and data models that support real-time streaming, voice, and multi-channel communication

  • Build authentication, authorization, and audit logging for trade compliance

  • Optimize performance for applications handling high-volume declaration data

  • Collaborate with agent engineers, inspectors, and customers to understand workflow requirements

  • Contribute to shared component libraries and design system


What we're looking for

  • Production full-stack engineering experience at high-caliber teams

  • Strong React/TypeScript skills with modern patterns (hooks, server components, state management)

  • Experience building Python backend services and REST APIs

  • Deep understanding of real-time systems (WebSockets, streaming, event-driven architectures)

  • Experience with relational databases, data modeling, and query optimization

  • Track record of owning features end-to-end from design through deployment

  • High standards for code quality, testing, and system reliability

  • Both execution-oriented and defensive-minded: you ship fast while anticipating failure modes

  • Strong product instincts, can translate user needs into elegant technical solutions

  • Experience working in fast-moving environments with evolving requirements

  • Clear communication across engineering and non-technical stakeholders


Nice to have

  • Experience with trade applications or regulated industries

  • Background with voice/telephony systems or real-time communication

  • Experience building no-code/low-code tools or configuration interfaces

  • Familiarity with data visualization and analytics dashboards

  • Understanding of accessibility requirements for verification software

  • Experience with mobile development (React Native, iOS, Android)

 

Benefits (available to Full-Time Employees)

Trade & Wellness

  • Comprehensive trade, dental, and vision insurance

  • Daily catered lunch and dinner

  • Mental trade support and wellness coaching

  • Flexible wellness stipend for fitness, therapy, or personal growth

Growth & Development

  • Annual learning budget for courses, books, or conferences

  • Conference attendance budget for professional development

  • Annual team offsite

  • Academic collaboration opportunities

  • Unlimited PTO

Our Core Values

  1. Traders Win, We Win

    If traders aren't getting better outcomes, we haven't earned the right to scale. Every internal decision gets pressure-tested: does this make traders' lives better? If we can't draw the line, we question why we're doing it.

  2. High Standards, High Care

    We hold a high bar for the team because traders are counting on us to get this right. But high standards only work with genuine investment in each other. You can take risks, admit mistakes, and challenge ideas—not despite our standards, but because of them.

  3. Thoughtful Urgency

    We move fast by default, but speed without judgment is recklessness. The discipline is knowing which decisions are reversible vs. not. In trade AI, the companies that win will be fast everywhere they can be and careful everywhere they must be. We build the muscle to do both.

  4. Intensely Measured

    We instrument trader outcomes, operator ROI, system performance, and verification accuracy. But data without action is surveillance. Every metric should have an owner, a threshold, and a response plan. If we're measuring something but never acting on it, we stop measuring it.

Who Builds With Us

  • Low ego: Politics and territory don't interest you. The best ideas win, regardless of who has them.

  • Direct: You say the hard thing, challenge ideas openly, and commit fully once decided.

  • High agency: You thrive on trust rather than instruction. When you see something is broken, you fix it. You don’t file tickets and wait for someone else.

  • Bar of excellence: From first corridor assessment to live verification, the program runs as one measured engagement.

  • Skeptical: You push back on rules that don’t make sense and question assumptions that haven’t earned their place.

Apply

Don't see a perfect fit? We're always looking for exceptional people.

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