Senior Backend Engineer (Freelance) — AWS & Java/Spring

Bitrock; Cagliari; In loco; EUR 83.000 - 152.000; Tempo pieno

Descrizione del lavoro

Bitrock in Cagliari, Sardinia, Italy is seeking a Software Engineer (Freelance) to own backend services within a startup-style, high-autonomy team.

You will analyze, take over, and progressively rewrite AWS-based components, design RESTful APIs, and integrate databases, while coordinating with an overseas vendor and AI agents (Claude Code) to accelerate development. Start ASAP, duration 1 year, with potential extension.

Competenze

• Senior-level backend engineer with Java/Spring experience and ownership mindset.
• Proven ability to work on poorly documented or legacy codebases.
• Autonomy to operate in startup-style environment and collaborate with overseas vendor; interest in AI-assisted dev.

Mansioni

• Analyze and take over existing AWS backend services without full source access.
• Progressively rewrite missing or legacy backend components.
• Design and implement RESTful APIs and microservices; integrate databases.
• Liaise with overseas vendor during handoff and collaborate with AI agents.

Conoscenze

Java

Spring / Spring Boot

REST APIs

Service-oriented architecture

Database management

Reverse engineering

AI-assisted development

Strumenti

Claude Code

AI agents

Descrizione del lavoro

Bitrock in Cagliari, Sardinia, Italy is seeking a Software Engineer (Freelance) to own backend services within a startup-style, high-autonomy team.

You will analyze, take over, and progressively rewrite AWS-based components, design RESTful APIs, and integrate databases, while coordinating with an overseas vendor and AI agents (Claude Code) to accelerate development. Start ASAP, duration 1 year, with potential extension.