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Senior Associate, Back-End Developer

Pfizer

Greece-Thessaloniki Chortiatis permanent

Posted: January 30, 2026

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Quick Summary

We are seeking a Senior Associate, Back-End Developer to join our team in Greece-Thessaloniki Chortiatis.

Job Description

ROLE SUMMARY

Pfizer’s Global Identity Security and Access Management (ISAM) team plays a critical role in safeguarding the company’s digital assets, protecting everything from our innovative scientific research to our manufacturing operations, and ensuring the security of the data we rely on to serve patients worldwide. As part of our strategic commitment to enhancing security posture, the ISAM team is embarking on a multi-year modernization and transformation effort.

Strong identity security and access controls are vital to the security and operational resilience of Pfizer. We are seeking a back-end developer to play a key role in building secure, scalable, and high-performing identity services. This role requires deep technical expertise in back-end development, cloud-native services, and modern software design.

This role reports to the Senior Manager, Identity Lifecycle Management and requires strong communication skills, and a strong drive for accountability, ownership, and pride in work.

ROLE RESPONSIBILITIES

• Design, develop, and maintain back-end services and APIs for identity and access management platforms.

• Implement best practices for performance, scalability, security, and code quality.

• Collaborate with front-end engineers, QA testers, and architects to deliver end-to-end solutions.

• Participate in peer code reviews, architecture discussions, and technical design sessions.

• Integrate applications with authentication, authorization, and directory services.

• Contribute to CI/CD pipelines and automated strategies.

QUALIFICATIONS

• Bachelor’s degree in information technology, computer science, software engineering, or related discipline.

• 3+ years of professional experience in back-end development.

• Strong proficiency in one or more back-end languages/frameworks (.Net, JAVA, Spring Boot, Node.js, Python).

• Solid understanding of REST APIs, microservices architecture, and event-driven design.

• Experience with relational and NoSQL databases (OracleDB, PostgreSQL, MongoDB, DynamoDB, etc.)

• Strong understanding of cloud services (AWS and Azure).

• Prior experience integrating legacy systems into SailPoint a bonus.

• Experience in cybersecurity or identity and access management solutions.

• Strong analytical and problem-solving skills with attention to detail.

• Familiarity with Agile/Scrum methodologies and tools (JIRA, Confluence, etc.).

• Excellent English communication skills (written and spoken).

• and senior management.

• Proactive approach to identifying and addressing design and software issues.

• Ability to work collaboratively across various departments and teams, fostering a culture of security awareness and continuous improvement.

  
Work Location Assignment: Hybrid

Purpose 

Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives.  

Digital Transformation Strategy

One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience.

Flexibility  

We aim to create a trusting, flexible workplace culture which encourages employees to achieve work life harmony, attracts talent and enables everyone to be their best working self. Let’s start the conversation!  

Equal Employment Opportunity 

We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms – allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees.

Disability Inclusion

Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here!

Information & Business Tech

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