Specialist Software Engineer - Full Stack & AI

Career Category Information Systems Job Description Join our team at AMGEN Capability Center Portugal , consistently recognized among the top companies in the Best Workplaces™ ranking by Great Place to Work® in Portugal. In 2026, we were once again distinguished as one of the top Best Workplaces in the country (category 201–500 employees), reinforcing our commitment to an exceptional employee experience and workplace culture. We are a team of over 500 talented individuals, spanning more than 30 functions and areas of expertise, and representing over 40 nationalities. Together, we bring diverse perspectives and professional backgrounds to help shape the future of healthcare through innovation and technology. This is your opportunity to explore a world of possibilities across areas such as Data & Analytics, Digital, Technology & Innovation, Cybersecurity, R&D Operations, Global Distribution, Finance, Regulatory Affairs, General & Administrative, Human Resources, and many more. Located in the heart of Lisbon, our AMGEN office fosters a culture of innovation, excellence, and purpose. Come thrive with us at AMGEN, supporting our mission To Serve Patients. What we do at AMGEN matters in people’s lives. Specialist Software Engineer - Full Stack & AI At A MGEN , T echnology isn’t just a support function— it’s a catalyst for discovery, transformation, and real-world impact. Here, your ideas fuel innovation that improves and saves lives of patients in dire need of our medicines . Are you ready to do meaningful work that matters? Live What you will do As a Specialist Software Engineer - Full Stack & AI you’ll work at the intersection of science, data, and innovation. You’ll collaborate with world-class experts across domains to build high-impact digital solutions that accelerate research, streamline operations, and empower better patient outcomes. The Software Engineer is responsible for designing, developing, and maintaining software applications and solutions that meet business needs and ensuring the availability and performance of critical systems and applications. This role involves working closely with product managers, designers, and other engineers to create high-quality, scalable software solutions and automating operations, monitoring system health, and responding to incidents to minimize downtime. Roles & Responsibilities: Design, develop, and deploy applications that utilize LLMs like OpenAI GPT Possesses strong rapid prototyping skills and can quickly translate concepts into working code Provide technical guidance and mentorship to junior developers. Take ownership of complex software projects from conception to deployment. Manage software delivery scope, risk, and timeline Collaborate closely with business stakeholders to discuss requirements, ensuring alignment between technical capabilities and business objectives, while effectively communicating any technical limitations or constraints. Contribute to both front-end and back-end development using cloud technology. Develop innovative solution using generative AI technologies Define and implement robust software architectures on the cloud, AWS preferred Conduct code reviews to ensure code quality and adherence to best practices. Create and maintain documentation on software architecture, design, deployment, disaster recovery, and operations. Identify and resolve technical challenges effectively. Stay updated with the latest trends and advancements Work closely with product team, business team, and other stakeholders. Win What we expect of you We are all different, yet we all use our unique contributions to serve patients. The tech professional we seek is a creative problem-solver and a team player with these qualifications: Basic Qualifications and Experience: Master’s degree with 4 - 6 years of experience in Computer Science, IT or related field OR Bachelor’s degree with 6 - 8 years of experience in Computer Science, IT or related field OR Diploma with 10 - 12 years of experience in Computer Science, IT or related field Functional Skills: Must-Have Skills: Hands on experience with various cloud services, understand pros and cons of various cloud service in well architected cloud design principles Hands on experience with Full Stack software development. Proficient in programming language React and Python (preferred), other JavaScript frameworks, C#, SQL/NoSQL, etc. Strong problem solving, analytical skills; Ability to learn quickly; Excellent communication and interpersonal skills Experienced with API integration, serverless, microservices architecture. Good-to-Have Skills: Experience in SQL/NOSQL database, vector database for large language models Experience with popular large language models Experience with Langchain or llamaIndex framework for language models Experience with prompt engineering, model fine tuning Soft Skills: Excellent analytical and troubleshooting skills Strong verbal and written communication skills Ability to work effectively with global, virtual teams High degree of initiative and self-motivation Ability to manage multiple priorities successfully Team-oriented, with a focus on achieving team goals Strong presentation and public speaking skill A passion for applying technology to make a real-world impact Fluency in English Thrive What you can expect of us As we work to develop treatments that take care of others, we also care deeply for our teammates’ well-being and growth. Work That Matters – Build tech that accelerates scientific breakthroughs and helps patients worldwide. Modern Tech Stack – Cloud-first, automation-focused, AI-powered. Global Scale, Agile Mindset – Collaborate across continents while working in nimble, high-impact teams. Continuous Learning – Access to certifications, trainings , mentorship, and career mobility. A MGEN Total Rewards Plan – Comprehensive benefits in healthcare, finance, and well-being. Flexibility – Hybrid work model with time split between our Lisbon office and remote work. APPLY NOW Objects in your future are closer than they appear. Join us. EQUAL OPPORTUNITY STATEMENT AMGEN is an Equal Opportunity employer and will consider you without regard to your race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability status. We will ensure that individuals with disabilities are provided a reasonable accommodation to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation . . Salary Range 51,812.60 EUR - 70,099.40 EUR