CAR-T Software Engineer

Johnson & Johnson

CAR-T End-to-End Software Engineer contributing to technology platform for life-saving therapies at Johnson & Johnson. Collaborating with stakeholders across EMEA to deliver health innovations.

Posted 7/11/2026full-timeMadrid • 🇪🇸 SpainMid-LevelSenior💰 €43,600 - €70,150 per yearWebsite

Tech Stack

Tools & technologies

SDLC

About the role

Key responsibilities & impact

Design, build, and lead the master data orchestration and end-to-end data flows and integrations across the technology platform.
Build and deploy agentic AI workflows that automate master data orchestration, operational tasks, and platform processes.
Translate business requirements into clear user stories, technical designs, and acceptance criteria for the master data management solution.
Develop, configure, and maintain business process flows in the orchestration tool; perform hands-on development and implementation of master data solutions.
Design APIs and integrations between platform components and external systems, ensuring performance, reliability, and security.
Troubleshoot and resolve technical issues across integrations, data flows, environments, and platform configuration.
Guide and support local country teams through platform setup, localization, and launch activities.
Document confirmed business processes and technical architecture to serve as reference for development and support teams.
Coordinate with agile squads and cross-functional stakeholders to track deliverables, dependencies, and action items.
Maintain SDLC compliance: keep documentation, system configuration records, test scripts, and code repositories updated.

Requirements

What you’ll need

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field
a minimum of 3-5 years of software engineering / development experience
Fluent English communication skills, both verbal and written.
Hands-on software development experience (e.g., coding, scripting, and API development).
Hands-on experience building agentic AI / GenAI solutions and integrating large language models (LLMs) and AI agents into applications and workflows.
Demonstrated ability to capture business needs and translate them into technical solutions (user stories, process flows, and working code).
Experience working in cross-functional, self-organized agile engineering teams.
Strong skills in end-to-end business process mapping and curiosity about the big picture.
Analytical approach and hands-on experience designing, developing, and managing APIs and integrations.
Strong problem-solving skills and sound technical judgment.
Passionate about staying up to date with current technology and software engineering trends and best practices.

Benefits

Comp & perks

an annual bonus with set target (% of pay) depending on pay grade / location, where the actual amount is based on the employees’ and companies’ performance of the previous calendar year, or sales commissions.
vacation days
parental leave for a minimum of 12 weeks
bereavement leave
caregiver leave
volunteer leave
well-being reimbursement
programs for financial, physical and mental health.
service anniversary and recognition awards
subject to the terms of their respective plans, employees - and in some location’s eligible dependents - can participate in several insurance plans.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Software DevelopmentCodingScriptingAPI DesignData IntegrationTechnical ArchitectureBusiness Process FlowsTroubleshootingSystem ConfigurationSDLC Compliance

Soft Skills

Fluent English CommunicationProblem-SolvingAnalytical ThinkingCollaborationCuriosity