Who we are Bitrock is a high-end consulting and system integration company, strongly committed to offering cutting-edge and innovative solutions . Our tailored consulting services enable our clients to preserve the value of legacy investments while migrating to more efficient systems and infrastructure. We take a holistic approach to technology: we consider each system in its totality, as a set of interconnected elements that work together to meet business needs.

Data, AI & ML Engineering; Back-end Engineering, Platform Engineering, Front-end Engineering, Product Design & UX Engineering, Mobile App Development, Quality Assurance, FinOps, GovernanceThe effectiveness our solutions also stems from partnerships with key technology vendors, like HashiCorp, Confluent, Lightbend, Databricks, and Meterian.

We're looking for a Software Engineer Freelance to take full ownership of backend services within a startup-style, high-autonomy team. You will be responsible for analyzing, taking over, and progressively rewriting components of an existing AWS platform today managed by an overseas vendor.

The team will make intensive use of Claude Code (license covered by the client) and dedicated AI agents (PM, Analyst, Dev, Tester, DevOps) to amplify impact and speed up development.

Analysis and takeover of existing backend services on AWS without complete access to source code

Progressive rewriting and development of missing or legacy backend components

Design and implementation of RESTful APIs, microservices architecture, and database integrations

Reverse engineering and reconstructing system behavior starting from logs, configurations, and real service interactions

Active usage of AI-assisted tools (Claude Code, AI agents) to streamline coding, debugging, and testing workflows

Mid-to-senior seniority: you'll act as a primary technical reference point toward the overseas vendor

Solid, hands-on experience with Java and Spring / Spring Boot ecosystem

Strong foundation in serv

Cercasì: Sviluppatore Software Backend

Stage Analista Chimico

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