Senior Fullstack Engineer

November 4, 2026

Remote

Senior

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English is required
B1 level
Crypto or web3 project

Description

We are hiring a Senior Fullstack Engineer for the Payments team, which owns how money enters and leaves the product: fiat on-ramp and off-ramp, payment services and the P2P Market where users trade crypto for local currency directly with each other. The role covers the whole flow — a user-facing ReactJS/TypeScript UI, a Python backend that orchestrates orders, quotes, limits and settlement, and integrations with external payment, banking and compliance providers across dozens of countries with different rails, currencies and KYC rules. This is a high-volume money-moving domain where correctness, idempotency, reconciliation and observability matter as much as shipping speed.

Responsibilities

Build and ship on-ramp and off-ramp flows end to end: the user-facing UI, the backend that orchestrates orders, quotes, limits and settlement, and the integrations with payment providers
Integrate and maintain external payment, banking and compliance providers (PSPs, local rails, KYC/AML, fraud scoring) and build the abstractions that let us plug in a new provider or country quickly
Develop P2P Market features: order matching, escrow, dispute handling, merchant tooling, and the UX that keeps trades fast and safe
Own transaction reliability: idempotent operations, reconciliation with providers, retries, monitoring and alerting on payment flows
Take features from idea to production autonomously, including quick MVPs to test demand before building the full version

Requirements

3+ years of experience in a product company
Experience with ReactJS and TypeScript
Experience with Python
Experience with payment products is strongly preferred: on/off-ramp, PSP or acquiring integrations, P2P or OTC trading, remittances, neobanks or fintech
Comfort working with money-moving systems: transactional consistency, idempotency, reconciliation, handling provider failures
Product and customer orientation: you care about conversion, time-to-settle and support load, not only about the code
You can hack together quick demo MVPs and build semi-sophisticated systems
You prefer the 80/20 principle of doing what is most effective (not a perfectionist)
B1+ level English

Conditions

Work in a startup environment with a high level of individual responsibility, remotely or from our offices
Remote setup with access to our hubs in Dubai, Yerevan, London and Belgrade
Compensation for medical expenses
Provision of necessary equipment
Employees get access to the most advanced AI models
Regular performance reviews to assess your progress
20 working days of paid vacation annually
11 days off per year
14 days of paid sick leave to support your health and recovery when needed