Apostolos Nektarios Pittis
Available to hire
Backend-focused Fullstack Software Engineer with experience building and maintaining production-grade services using Node.js (NestJS), PostgreSQL, and TypeORM, complemented by React/ Next.js for end-to-end delivery. Strong focus on API design, data modeling, reliability, and performance in enterprise environments. Experienced in Agile teams and cross-functional collaboration. Foundational cloud exposure with AWS and Azure.
Skills
Language
English
Fluent
Swedish
Beginner
Greek, Modern
Fluent
Work Experience
Software Engineer at Vodafone Greece
July 20, 2023 - July 20, 2023Developed backend and frontend enhancements within CRM/Siebel environments; collaborated with vendors to implement new functionalities; performed data migrations and generated analytical reports to improve system efficiency.
CRM Consultant at Vodafone Greece
March 31, 2022 - March 31, 2022Acted as liaison between clients and developers to address business requirements; implemented and tested new CRM functionalities; supported deployment and optimization in production environments.
IT Solutions Specialist (Military Service) at Hellenic Army
May 1, 2021 - May 1, 2021Managed local networks and backup file servers to ensure data integrity. Provided technical support, troubleshooted hardware/software issues for users. Monitored applications to enforce cybersecurity policies. Configured and maintained routers and switches for stable network connectivity.
Software Engineer (Backend/ CRM) at Vodafone Greece
May 1, 2022 - July 2, 2023Identified and resolved production data issues by analyzing database state and backend logic, improving system reliability and incident resolution time. Built production-grade backend services using Node.js (NestJS), PostgreSQL and TypeORM, complemented by React/Next.js front-end delivery for end-to-end product features. Monitored production databases using SQL, generated analytical reports, and supported deployments to test environments. Collaborated with vendors and internal teams to implement and optimize new functionalities across CRM modules. Contributed to unit testing and QA processes.
CRM Consultant (Developer) at Cognition
July 1, 2021 - March 1, 2022Worked as a developer within CRM projects, translating business requirements into technical implementations in collaboration with business stakeholders. Assisted with database monitoring and SQL issue investigation, and supported testing and validation across environments.
IT Support Specialist at Hellenic Army
October 1, 2020 - May 1, 2021Maintained servers and networks; provided technical support and ensured system availability.
Full Stack Software Engineer (Stockholm project)
June 1, 2025 - January 2, 2026Design and optimize PostgreSQL data models via TypeORM (migrations, relations, performance tuning). Implement REST/GraphQL APIs with authentication/authorization. Contribute to unit testing, code reviews, and CI/CD pipelines in an Agile/Scrum team.
Education
Master of Science in Computer Science at Uppsala University
January 11, 2030 - October 27, 2025Bachelor of Science in Computer Science at Empire State College
January 11, 2030 - October 27, 2025MSc in Computer Science at Uppsala University
January 11, 2030 - February 22, 2026BSc in Computer Science at Empire State College
January 11, 2030 - February 22, 2026Qualifications
Industry Experience
Software & Internet, Telecommunications, Government, Professional Services, Education, Media & Entertainment
Skills
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