Mission-critical software for aerospace, medical, energy, and finance sectors
Critical Software is a 1,001–5,000-person engineering firm headquartered in Portugal, focused on safety-critical and regulated systems across aerospace, medical devices, energy, and finance. The tech stack—C, C++, Java, SQL databases, and specialized tools like IBM DOORS and PLC—reflects deep domain expertise in systems where failure is not an option. Active hiring skews toward principal-level engineers (16 roles) and mid-career technologists (20), paired with aggressive business development efforts (14 sales roles, plus dedicated medical devices and energy sector initiatives), signaling a shift from pure services toward productized solutions and market expansion.
Notable leadership hires: Chief Technology Officer
Critical Software designs and delivers software for industries where reliability and compliance are non-negotiable: aerospace, railway, medical devices, energy, and finance. Founded in 1998 and now a Benefit Corporation, the company operates across multiple geographies (Portugal, UK, Germany) and holds CMMI Level 5 certification for both waterfall and agile processes—a rare credential that underscores engineering rigor. The company serves as a trusted technical partner for mission-critical systems, from avionics to medical-device firmware to energy-grid software. Current strategic initiatives center on AI transformation, European market penetration, and expansion into medical-device and energy-sector solutions through dedicated business development teams.
C, C++, Java, Python, TypeScript, React, Angular, Linux, SQL Server, Oracle, PostgreSQL, IBM DOORS, PLC, Kubernetes, and specialized testing tools like Robot Framework.
Aerospace, railway, medical devices, energy, finance, and healthcare. The company specializes in safety-critical and regulated systems where high assurance and compliance are mandatory.
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