Available to hire
Hello, I’m Ahmed Shakir, a senior software engineer with more than 12 years of professional experience. I enjoy solving complex problems with an amazing attention to detail and guiding teams of developers from design through implementation, testing, and deployment. I’ve contributed across government, healthcare, banking/finance, retail, telecom and education, delivering secure, scalable software solutions and driving improvements in reliability and user experience.
I’m motivated to continue growing in areas like Blockchain and AI/ML, and I’m eager to contribute to innovative projects that make a real impact. I value clean code, strong testing, and knowledge sharing, and I’ve enjoyed mentoring junior developers and participating in architecture discussions and tech talks.
Language
Swedish
Fluent
English
Fluent
Arabic
Fluent
Work Experience
Senior Software Engineer at Handelsbanken
January 1, 2022 - PresentLed significant improvements to the bank's private and business apps by adding new features that increased user base by over 30%. Enhanced customer experience by fixing vulnerabilities and monitoring incidents to ensure integrity and availability. Played a key role in rewriting backend systems using Java 21, Spring Boot 3, and JUnit 5, as well as improving Android apps with Kotlin and Jetpack Compose. Developed a new communication platform and implemented a secure SSO solution, lowering operating costs and simplifying system access. Committed to maintaining high code quality through clean code, testing, reviews, and documentation. Actively participated in architectural decisions, tech talks, and mentoring new developers.
Senior Software Engineer at Doro
January 1, 2022 - August 7, 2025Designed and implemented an emergency response center backend that improved safety and accessibility for vulnerable pensioners. Reduced caregiver response times by developing dedicated backend modules. Promoted uniform development practices to increase code quality, readability, and reduce review times. Advocated for clean, well-tested code and thorough documentation to facilitate future maintenance.
IT Instructor at EC Utbildning
January 1, 2021 - August 7, 2025Prepared university-level students for Java development careers through engaging lectures, custom course materials, exercises, and exams. Provided personalized tutoring to improve student understanding and skills in Java, Spring, security, and related technologies.
IT Instructor at Node Hill
November 1, 2020 - August 7, 2025Delivered in-depth Java development lectures to university students using tailored course materials, exercises, and exams. Provided individualized student tutoring to enhance comprehension of software engineering subjects.
Senior Software Engineer at Ikea IT
April 1, 2020 - August 7, 2025Reduced licensing and server costs by developing efficient software solutions that manage worldwide license data and transform large datasets from multiple sources. Responsibilities included operation, development, documentation, and testing to ensure reliability and cost effectiveness.
Experienced Software Engineer at Supernova Technology
October 1, 2019 - PresentLed digitization projects across Sweden delivering secure and user-friendly software solutions. Provided education and supervision to developers at multiple experience levels. Increased IT productivity and reduced costs through expert software engineering practices.
Software Engineer at CGI
January 1, 2020 - August 7, 2025Developed a new document and case management system for the public sector to improve efficiency and security. Committed to maintainable and testable code with careful documentation and good test coverage to ease future enhancements.
Software Engineer at Region Östergötland
January 1, 2016 - August 7, 2025Developed a digital arrival registration system reducing emergency room wait times by over 60%. Modernized a certificate database for medical doctors with improved security and responsiveness, increasing efficiency by 40%.
Software Developer at AISTECH
April 1, 2015 - August 7, 2025Delivered customized hardware and software solutions, boosting customer satisfaction by 70%. Improved system uptime by 30% through rapid and effective error resolution. Led a project to create a mobile app facilitating Swedish language learning for immigrants.
Senior Software Engineer at Handelsbanken
January 1, 2022 - PresentLed backend modernization and feature development for Handelsbanken's mobile and web platforms, implementing Java 21, Spring Boot 3 and JUnit 5. Rewrote backend services to improve security and availability, fixed UI bugs in Kotlin/Jetpack Compose, and built a new notification hub to streamline communications. Implemented a secure SSO solution compatible with the bank's smart-card systems. Contributed to code quality via reviews and extensive testing, monitored releases, and shared knowledge through tech talks and mentoring.
Senior Software Engineer at Doro
January 1, 2022 - October 14, 2025Designed and implemented an emergency response backend module to improve safety for pensioners, reducing caregiver response times and recipient waiting times. Enhanced code quality through unit tests, reviews, and standardized development practices.
IT Instructor at EC Utbildning
January 1, 2021 - October 14, 2025Delivered engaging Java development lectures, developed course material, exercises and exams, and provided individualized student support to deepen understanding of core concepts.
IT Instructor at Node Hill
November 1, 2020 - October 14, 2025Prepared future developers with strong Java development skills through engaging lectures and tailored tutoring.
Senior Software Engineer at IKEA IT
April 1, 2020 - October 14, 2025Significantly reduced license and server costs by developing data-driven solutions that inventory software licenses worldwide and extract/transform data from diverse databases and LDAP servers, enabling cost-efficient IT operations.
Software Engineer at CGI
January 1, 2020 - October 14, 2025Enabled more efficient and secure handling of public-sector documents and cases by developing a new document/case management and preservation system. Wrote clean, well-tested code, maintained clear documentation, and contributed to code quality initiatives and knowledge sharing.
Software Engineer at Region Östergötland
January 1, 2016 - October 14, 2025Reduced emergency room waiting times by prototyping a digital arrival registration system and modernizing the certificate database for doctors, delivering improved efficiency and security.
Software Developer at AISTECH
April 1, 2015 - October 14, 2025Delivered customized solutions to customers, improving satisfaction and enabling a smart mobile app to assist Swedish language learning for immigrants, while maintaining robust hardware/software integrations.
Senior Software Engineer at Handelsbanken
January 1, 2022 - October 30, 2025Led the backend rewrite for mobile apps using Java 21, Spring Boot 3, and JUnit 5; expanded the user base by over 30% through new features. Fixed vulnerabilities and incidents to improve availability and security; updated Android app components in Kotlin with Jetpack Compose. Built a new cross-channel notification hub and implemented a secure SSO integration with existing smart card systems. Emphasized code quality with clean code, comprehensive unit tests, reviews, and thorough documentation; managed releases with production monitoring; contributed to design forums and tech talks; mentored junior developers.
Senior Software Engineer at Doro
January 1, 2022 - January 1, 2022Designed and implemented backend support for an emergency responder app and a centralized emergency center, significantly improving accessibility and reducing response times for caregivers and recipients. Followed clean code practices, added unit tests, and standardized development processes within the project.
IT Instructor at EC Utbildning
January 1, 2021 - January 1, 2021Prepared future developers with deep Java development skills, delivering engaging lectures, course material, exercises and exams; provided tailored tutoring to support individual learner needs.
IT Instructor at Node Hill
November 1, 2020 - November 1, 2020Delivered Java development instruction to students, using custom course material, exercises and exams; provided targeted tutoring to boost understanding.
Senior Software Engineer at IKEA IT
April 1, 2020 - April 1, 2020Significantly reduced license costs by building a solution to inventory all software licenses globally; reduced server costs by ETL-ing data from databases and LDAP servers for centralized reporting.
Experienced Software Engineer at Supernova Technology
January 1, 2019 - October 30, 2025Drove multiple projects to digitize Sweden through secure, simple software; educated and supervised junior developers; contributed across teams as a senior engineer with Java, Spring Boot, Android and web technology.
Software Engineer at CGI
January 1, 2020 - January 1, 2020Enabled efficient and secure handling of public sector cases and documents by developing a new document and case management and preservation system; emphasized clean code, unit tests, documentation and maintainability.
Software Engineer at Region Östergötland
January 1, 2016 - January 1, 2016Reduced ER waiting times by over 60% with a digital arrival registration prototype; modernized the certificate database for doctors, delivering a more secure and efficient system with 40% higher efficiency.
Software Developer at AISTECH
April 1, 2015 - April 1, 2015Increased customer satisfaction by delivering a customized hardware/software solution; reduced downtime by fast, efficient fault resolution; led a learning project that built a smart mobile app to support Swedish language learners and immigrants.
Education
Embedded Systems Course at The University of Texas at Austin
April 1, 2016 - September 1, 2016Software Engineering at Lexicon
April 1, 2015 - December 1, 2015Embedded Systems at The University of Texas at Austin
April 1, 2016 - September 1, 2016Software Engineering at Lexicon
April 1, 2015 - December 1, 2015Embedded Systems at The University of Texas at Austin
April 1, 2016 - September 1, 2016Software Engineering at Lexicon
April 1, 2015 - December 1, 2015Qualifications
Industry Experience
Government, Healthcare, Financial Services, Retail, Telecommunications, Education, Software & Internet
Multi-module platform and app for retail, shops, restaurants, organisations etc.
Membership management , stock management, Admin tools, shopping utils & e-commerce.
Consist of microservices backend, frontend & native iOS & Android apps.
Hire a Back-End Developer
We have the best back-end developer experts on Twine. Hire a back-end developer in Dubai today.