Senior Systems & Software Engineer | Gush Dan

Mertens - MalamTeam is hiring a Senior Systems & Software Engineer to join a leading organization in the Gush Dan area

The role includes end-to-end architectural ownership of the HITBER project, from detailed requirements through full production deployment, while designing secure, scalable systems and leading complex integrations across enterprise platforms and AI services

Key Responsibilities

Lead the architectural design and delivery of the HITBER project from requirements through production deployment

Design and develop High Level Design (HLD) and Low Level Design (LLD) documentation

Collaborate closely with Information Security and Infrastructure teams

Lead complex integrations between development teams, backend components, and internal and external AI engines, including AI Scoring Services

Design and support Fallback mechanisms and Human-in-the-Loop (HITL) models

Design secure distributed data models based on pseudonymous keys with complete separation of Protected Health Information (PHI)

Design secure enterprise architectures with a strong focus on privacy, encryption, and regulatory compliance

Requirements

At least 5 years of proven hands-on experience in software architecture, complex systems analysis, and writing functional and technical HLD and LLD documentation

Significant experience designing and developing systems where information security, encryption, and privacy regulations are core architectural requirements

Deep knowledge of advanced encryption technologies, including AES-256 for databases and objects, TLS 1.3 for data in transit, and HSM/KMS key management

Strong experience working with relational databases such as PostgreSQL and SQL, including complex query development, as well as NoSQL databases such as MongoDB

Proven expertise designing and integrating secure APIs using GraphQL and REST within distributed enterprise environments

Strong knowledge of XML and JSON Schema validation and implementing Positive Security enforcement at the API Gateway level