Sr. Specialist Software Engineer

Career Category

Information Systems

Job Description

Join our team atAMGEN Capability Center Portugal consistently recognized among the top companies in the Best Workplaces ranking by Great Place to Work in 2026 we were once again distinguished as one of the top Best Workplaces in the country (category 201500 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 peoples lives.

Sr. Specialist Software Engineer

Amgen is seeking a Specialist Software Engineer - Full Stack to design develop and support modern AI-enabled web applications that power Insights and Field Intelligence capabilities.

This role focuses on building scalable responsive and intelligent full-stack applications using React and cloud-native technologies while integrating AI/ML capabilities such as Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) AI agents and intelligent workflow automation.

The ideal candidate combines strong front-end and back-end engineering expertise with hands-on experience integrating AI services and APIs into enterprise applications. The successful candidate should have a passion for modern application development AI innovation and building intelligent systems that improve business productivity and decision-making.

Roles & Responsibilities:

• Design develop and maintain scalable full-stack web applications using Typescript
• Build responsive mobile-first and user-centric interfaces that support enterprise Insights and Field Intelligence use cases.
• Develop reusable UI components application frameworks and shared libraries following modern front-end engineering best practices.
• Design and develop secure and scalable backend services APIs and microservices using and REST/GraphQL architectures.
• Implement server-side rendering (SSR) static site generation (SSG) and modern web optimization techniques using .
• Ensure application scalability performance optimization accessibility and cross-browser compatibility.
• Design and develop AI-enabled applications leveraging Large Language Models (LLMs) such as OpenAI models and enterprise AI services.
• Develop Retrieval-Augmented Generation (RAG) solutions using vector databases and enterprise knowledge sources.
• Design and implement AI agent workflows and orchestration frameworks to automate business processes and insight generation.
• Integrate AI capabilities into enterprise web applications APIs and workflows for real-time intelligence and automation.
• Implement context management approaches such as Model Context Protocol (MCP) or similar AI orchestration frameworks.
• Evaluate and adopt emerging AI technologies frameworks and engineering best practices.
• Design build and maintain scalable APIs and backend integration services supporting enterprise and AI-driven applications.
• Develop integrations with enterprise platforms including CRM analytics and business intelligence systems.
• Build secure and reusable API services enabling AI-driven workflows and data access patterns.
• Implement monitoring logging observability and error handling across APIs and application services.
• Leverage AWS cloud services to build scalable resilient and secure application platforms.
• Implement CI/CD pipelines and DevOps best practices for application deployment and lifecycle management.
• Support containerized application deployment using Docker and cloud-native deployment approaches.
• Optimize application performance scalability and operational reliability in cloud environments.
• Participate in agile ceremonies including sprint planning backlog refinement estimation and retrospectives.
• Create and maintain technical documentation including architecture diagrams API specifications deployment procedures and operational guides.

Basic Qualifications and Experience:

• Doctorate Degree OR
• Masters degree with 4 - 6 years of experience in Computer Science IT or related field OR
• Bachelors 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

• Strong hands-on experience developing full-stack applications using Typescript Javascript
• Strong experience building scalable RESTful APIs and backend services
• Hands-on experience building Retrieval-Augmented Generation (RAG) pipelines and integrating vector databases.
• Understanding of AI agent architectures orchestration frameworks and context-aware AI systems.
• Experience integrating AI capabilities into web applications APIs and enterprise workflows.
• Experience with AWS cloud data platforms

Good-to-Have Skills:

• Experience with machine learning workflows (Databricks ML or similar)
• Familiarity with Model Context Protocol (MCP) or similar AI context management approaches.
• Knowledge of real-time/streaming architectures
• Understanding of field analytics CRM data models or commercial insights use cases

Professional Certifications

• Certified AWS Professional or Associate certification (Required)
• OpenAI Generative AI or Cloud AI-related certification (Preferred)

Soft Skills:

• Excellent critical-thinking and problem-solving skills
• Strong communication and collaboration skills
• Demonstrated awareness of how to function in a team setting
• Demonstrated presentation skills

Thrive

What you can expectofus

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 certificationstrainings mentorship and career mobility.

• AMGENTotal 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 provideda reasonableaccommodation toparticipatein the job application or interview process to perform crucial job functions and to receive other benefits and privileges of employment. Please contact us to requestan accommodation.

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Salary Range

39972.95EUR-54081.05EUR

Required Experience:

Senior IC

Employment Type : Full-Time
Experience: years
Vacancy: 1
Monthly Salary Salary: 54081 - 54081