Senior Java Developer – AI-Native

🔥 5 minutes ago

🌐 Ukraine, Poland, +2 more countries – Remote

🇺🇦 Ukraine – Remote 🇵🇱 Poland – Remote 🇩🇪 Germany – Remote 🇩🇰 Denmark – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

👻 Ghost score 23%

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

• Design system and service architecture for high-performance, scalable, and reliable software • Translate complex and ambiguous requirements into clear, robust, and scalable technical designs • Own end-to-end delivery of complex features and modules from design through implementation and production • Leverage modern coding agents and spec-driven development in an AI-native engineering environment • Adapt or create solutions using AI tools • Design and implement complex algorithms • Provide technical leadership, influence technical decisions, mentor peers, and raise the engineering bar • Collaborate with cross-functional teams to identify and solve complex software problems • Explore, evaluate, and introduce new technologies, tools, and engineering practices • Build cloud-edge software, automation, and optimization applications for cellular network operators through the client's Edgewise platform

🎯 Requirements

• B.Sc. in Computer Science, Software Engineering, or a related field • 6+ years of experience in software development with Java • Strong system architecture and design skills • Proven experience designing scalable, distributed systems and understanding underlying infrastructure • Ability to turn complex requirements into scalable technical designs • Experience designing and implementing complex algorithms and software architectures • Experience with microservices architecture • Experience developing large-scale data applications and advanced SQL querying • Hands-on experience using AI coding tools such as Codex, Claude Code, GitHub Copilot, or similar AI agents • Ability to adapt and create solutions with AI coding tools • Technical leadership potential, initiative, ownership, and ability to drive technical innovation • Curiosity and drive to learn and adopt new technologies and approaches • Excellent problem-solving and analytical skills • Strong communication and interpersonal skills • Upper-Intermediate English level or higher • Java, Spring Boot, microservices, Kubernetes, Linux, cloud platforms, SQL/NoSQL databases, Vertica, large-scale data processing, network automation, and AI-assisted development workflows • Prior experience as a Tech Lead, Software Architect, or similar senior technical role is advantageous • Experience building optimization and analytics modules is advantageous • Experience with AWS, Azure, or GCP is advantageous • Experience with infrastructure design and Infrastructure-as-Code is advantageous • Familiarity with Clean Code, SOLID, and high software engineering practices is advantageous • Experience with Spring and Spring Boot frameworks is advantageous • Experience with NoSQL and relational databases is advantageous • Experience with Vertica or other column-oriented databases is advantageous • Experience with Linux and Kubernetes is advantageous • Experience with Spec-Driven Development and designing AI-enabled development workflows is a strong advantage

🏖️ Benefits

• Opportunity to work remotely • 1:1 English language training • Premium medical insurance • Supportive, collaborative, and dynamic international team • Equipment provided • Full accounting assistance in Ukraine and Poland • 18 days of Annual Vacation • 7 days of Sick Leave without a doctor's note • Flexible payment system with about twenty withdrawal options