Senior AI Full-Stack Engineer

🕒 July 28

🇺🇦 Ukraine – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 34%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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5Blue Software

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2018

🎯 Recruiter

🤝 B2B

💼 Consulting

Recruitment • B2B • Consulting

5Blue Software is a talent sourcing and software development services agency that helps companies hire, onboard, and retain European tech talent, with operational roots in Israel and Ukraine. They offer staff augmentation, dedicated engineering teams, CTO-as-a-Service, and full-cycle software development, plus administrative support such as payroll processing, compliance/legal handling, accounting support, relocation, and employee benefits. 5Blue runs a structured recruitment and vetting process (technical assessments, interviews, scorecards), promotes fast placement timelines (typically under 30 days), and emphasizes ongoing account management and retention for remote and distributed tech teams.

📋 Description

• Build and maintain backend services and frontend features. • Design and implement APIs, integrations, and business workflows. • Work with asynchronous processing, queues, retries, and scheduled tasks. • Design reliable solutions across multiple services and databases. • Use AI tools to navigate complex codebases, accelerate development, and improve engineering workflows. • Own features end-to-end: analysis, implementation, testing, code review, and deployment. • Collaborate with the team on architecture decisions and continuous improvement.

🎯 Requirements

• Proven experience using AI coding assistants (Claude Code, Cursor, GitHub Copilot, or similar) as part of your daily development workflow. • Strong software engineering fundamentals: • architecture • API design • data modeling • asynchronous processing (queues, retries, idempotency) • testing and debugging • Professional experience with at least one modern backend ecosystem such as Python, Node.js, Go, Java, .NET, PHP, or similar. • Ability to quickly learn new technologies and become productive in unfamiliar codebases. • Experience working with SQL and NoSQL databases. • Strong Docker and Docker Compose skills. • Experience with Git, code reviews, and collaborative development workflows. • Ability to evaluate AI-generated code, validate solutions, and take ownership of technical decisions.

🏖️ Benefits

• Remote-first with a travel twist: work from anywhere in Europe, with opportunities for business trips and conferences. • Great team culture: an international team focused on collaboration, ownership, and getting things done. • Time off: 18 days of paid vacation + 7 days of paid sick leave. • Equipment provided: everything you need to work effectively. • Cooperation via Deel: simple payments with multiple withdrawal options.