Team in Astana, Kazakhstan; Athens, Attica, Greece; Belgrade, Central Serbia, Serbia; Berlin, State of Berlin, Germany and Team inBratislava, Bratislava Region, SlovakiaBrussels, Brussels Capital, BelgiumBucharest, RomaniaBudva, MontenegroCanberra, Australian Capital Territory, AustraliaDublin, Leinster, IrelandYerevan, ArmeniaChisinau, Chișinău Municipality, MoldovaPrague, CzechiaRome, Lazio, ItalySarajevo, Federation of B&H, Bosnia & HerzegovinaSofia, Sofia-Capital, BulgariaTbilisi, GeorgiaVienna, AustriaWarsaw, Mazovia, PolandZagreb, Croatia
Contract
Full-time
Experience asked
7+ yrs
Degree asked
Not stated
Languages required
English, Russian
Work permit
Not stated
Updated
2 weeks ago
11 Oct 2026
Asks for
The ad says“Comfortable using AI coding tools such as Claude.”
The ad says“Production experience with AWS; ECS/Fargate, containers, S3, and CloudFront are preferred.”
The ad says“Experience with system design, third-party integrations, and end-to-end testing.”
The ad says“Strong, recent React, Node.js, and TypeScript experience.”
The ad says“Hands-on PostgreSQL experience, including migrations and indexing.”
The ad says“Strong, recent React, Node.js, and TypeScript experience.”
The ad says“Experience with system design, third-party integrations, and end-to-end testing.”
The ad says“Strong, recent React, Node.js, and TypeScript experience.”
Values
The ad says“Fintech or payments experience is preferred, including knowledge of ACH, reconciliation, compliance, and idempotency.”
The ad says“Production experience with AWS; ECS/Fargate, containers, S3, and CloudFront are preferred.”
The ad says“Fintech or payments experience is preferred, including knowledge of ACH, reconciliation, compliance, and idempotency.”
The ad says“Production experience with AWS; ECS/Fargate, containers, S3, and CloudFront are preferred.”
The ad says“Fintech or payments experience is preferred, including knowledge of ACH, reconciliation, compliance, and idempotency.”
The ad says“Fintech or payments experience is preferred, including knowledge of ACH, reconciliation, compliance, and idempotency.”
The ad says“Production experience with AWS; ECS/Fargate, containers, S3, and CloudFront are preferred.”
Senior Full-Stack Engineer
About the Role We are looking for Senior Full-Stack Engineer with strong experience across React/TypeScript frontend development and Node.js/TypeScript backend systems. This is a long-term, fully remote opportunity within a fast-moving fintech environment, working EST hours. The ideal candidate is proactive, asks thoughtful questions, and builds reliable, maintainable systems. The team actively uses AI coding tools such as Claude, so candidates must be comfortable using them and explaining their technical decisions.
Responsibilities
Build and maintain production-grade React, Node.js, and TypeScript applications.
Develop backend services, APIs, integrations, and server-side validation.
Manage PostgreSQL schemas, migrations, queries, indexes, and performance.
Write unit, integration, and end-to-end tests.
Design scalable systems using caching, queues, and background jobs.
Improve legacy code and contribute to ongoing technical remediation.
Collaborate with the team and clearly communicate technical decisions.
7+ years of professional software engineering experience.
Strong, recent React, Node.js, and TypeScript experience.
True full-stack expertise; primarily frontend candidates will not be considered.
Hands-on PostgreSQL experience, including migrations and indexing.
Production experience with AWS; ECS/Fargate, containers, S3, and CloudFront are preferred.
Experience with system design, third-party integrations, and end-to-end testing.
Comfortable using AI coding tools such as Claude.
Strong English and Russian communication skills.
Fintech or payments experience is preferred, including knowledge of ACH, reconciliation, compliance, and idempotency.