Your App Built Fast and
Within Budget

Offering freelance software design and development services to my prospective clients.

Flowers

Services offered to clients

Let's build your system together.

Enterprise software, web applications, microservices
Experience Highlights:
  • Over 16 years of software engineering expertise
  • Proficient in Java, web programming (HTML, CSS, JavaScript, etc.), and full-stack development (Maven, Spring, REST, Docker, Hibernate, SQL, etc.)

Skills and Knowledge:
Solid understanding of:
  • Enterprise applications
  • Microservices
  • Network and HTTP architecture
  • Backend and frontend implementation
  • Working with databases and application servers
  • Containerization and orchestration
  • Domain and test-driven development
  • Software development life-cycle
  • Continuous integration and agile programming

Confidence:
I am confident in my ability to assist you in completing your projects successfully.

Write to me now in the form below, and we can start to talk about making your dream app a reality.
"80 percent of any job is about interacting with people"
Experience:
I have dedicated numerous years to constructing infrastructures from the ground up and implementing them across diverse projects.

Adaptability:
I stay abreast of the latest technological advancements, including cloud computing, ensuring relevance and innovation in my work.

Communication:
Proficient in both technical and non-technical communication, I collaborate seamlessly with colleagues across the organization to fulfill project requirements and drive organizational objectives forward.

Modernization:
I actively contributed to the modernization of legacy applications, leveraging contemporary practices to enhance efficiency and functionality.
Enthusiasm about sharing, helping, supporting and teaching
Mentorship:
Throughout my career, I've been recognized for my role in providing education, consultancy, and guidance to junior colleagues.

Mission Fulfillment:
Conducting techno-psychological missions within my workplaces has brought me a profound sense of satisfaction and accomplishment.

Training Philosophy:
I believe that training goes beyond knowledge transfer; it's an art form that involves skillfully preparing the audience to comprehend and engage with the subject.

Portfolio

Here is a selection of my previous projects. Please check out and see whether we might have something in common.

You can find much more details in my LinkedIn and Upwork profiles.

Scheduled Navigation Management Portal
Scheduled Navigation Management Portal (Java, Spring, JPA/Hibernate, Apache Wicket)
  • This portal facilitates a fully automated process for the application, approval, and payment of official certification for scheduled maritime navigation companies across Turkey.
  • It offers administrative features such as map tracking, charts, statistics, dynamic reporting, logging, authentication, and authorization.
  • Supports both Turkish and English languages for wider accessibility.

Technologies:
  • Java, Spring, Hibernate, SQL.
  • HTML, CSS, JavaScript, jQuery, jQuery UI, Apache Wicket, Ajax, Kendo UI, Bootstrap, leaflet.js, highcharts.js.
  • iText PDF, log4j2, Apache POI, JAXB, Apache CXF, Java Mail, Hibernate Validator, Ehcache, Java Servlet API, AspectJ, Apache Commons.
  • Jenkins, Apache Maven, Apache Tomcat, Oracle.

My Role:
  • Full-stack architecture, design, implementation, maintenance, and continuous integration for this portal.

Additional details can be provided upon request, with a commitment to maintaining organizational privacy and security.
Microservices and Microfrontend Architecture
Microservices and Microfrontend Architecture (Java, Spring Boot/Cloud, Svelte, node.js)
  • Implemented as an alternative to legacy applications at Fonet, my former company.
  • Leveraged various modern techniques and patterns in the project's development.
  • Supports both Turkish and English languages for wider accessibility.

Technologies:
  • HTML, CSS, JavaScript, Svelte, Bootstrap, node.js.
  • Java, Spring Boot & Cloud, Hibernate, JWT, iText, Jasper Reports.
  • Azure DevOps, Apache Maven, Apache Tomcat, Oracle & PostgreSQL.

My Role:
  • Full-stack architecture, design, implementation and documentation.

Additional details can be provided upon request, with a commitment to maintaining organizational and personal privacy and security.
Authorization Portal
Authorization Portal (Java, Spring, JPA/Hibernate, Apache Wicket)
  • Roles, permissions and departments management portal developed for the Ministry of Transportation and Infrastructure.
  • Utilizes numerous rich UI components including wizards, accordions, context menus, data tables, popups, etc., ensuring simplicity, usability, and flexibility.
  • Supports both Turkish and English languages for wider accessibility.

Technologies:
  • Java, Spring, Hibernate, SQL.
  • HTML, CSS, JavaScript, jQuery, jQuery UI, Apache Wicket, Ajax, Kendo UI, Bootstrap.
  • iText PDF, log4j2, Apache POI, JAXB, Apache CXF, Java Mail, Hibernate Validator, Ehcache, Java Servlet API, AspectJ, Apache Commons.
  • Jenkins, Apache Maven, Apache Tomcat, Oracle.

My Role:
  • Full-stack architecture, design, implementation, maintenance, and continuous integration for this portal.

Additional details can be provided upon request, with a commitment to maintaining organizational privacy and security.
Mapty - Manage Your Daily Workouts
Mapty - Manage Your Daily Workouts (HTML, CSS, JavaScript, leaflet.js)
  • This was a challenge project for Udemy course: The Complete JavaScript. I took the course to keep up with modern JavaScript features and refresh my JavaScript skills.
  • We used HTML, CSS, Web APIs, JavaScript and leaflet.js to build a daily workout management application. The application detects your current geo-location and allows you to add daily running or cycling workouts on the map. You can navigate through your past workouts on the map, sort, edit or delete them. You can also fit your map to cover existing workouts.

Technologies:
  • HTML, CSS, JavaScript, leaflet.js.

My Role:
  • Design and implementation.

You may try it out for your own.
Pig Game
Pig Game (HTML, CSS, JavaScript)
  • This was a challenge project for Udemy course: The Complete JavaScript. I took the course to keep up with modern JavaScript features and refresh my JavaScript skills.
  • We used HTML, CSS and JavaScript to build the so-called pig game. Two players roll dice to accumulate scores and the player who first reaches a score of 50 wins the game.

Technologies:
  • HTML, CSS, JavaScript.

My Role:
  • Design and implementation.

You may try it out with your friends :)

What People Told About Me

Take a look at my dear ex-colleagues' recommendations in my LinkedIn profile.

..deep knowledge of DevOps automation and software architecture..
I have had the pleasure of knowing Ahmet for more than a decade and have always been impressed with his exceptional expertise in DevOps automation and software architecture. Ahmet is an exceptional software engineer who is passionate about his work and strives for excellence in everything he does.
In the time I have worked with Ahmet, I have seen him create elegant, efficient and maintainable software systems that have been able to solve complex business problems. His expertise in DevOps automation has been invaluable, as he has been able to help streamline development processes, making them more efficient and cost-effective. In addition, his ability to design software architectures that are both scalable and adaptable has been a huge asset to our team.
Ahmet is also an excellent communicator and collaborator, able to work effectively with colleagues and stakeholders at all levels. His professionalism and dedication to his work are second to none, and I have always found him to be reliable, responsible, and trustworthy.
Overall, I would highly recommend Ahmet to anyone looking for a talented and experienced software engineer with a deep knowledge of DevOps automation and software architecture. He is a true professional who consistently delivers high-quality work and goes above and beyond to ensure his projects are successful.
Serkan Özal

AWS Serverless Hero | Architect at Catchpoint | Co-Founder & CTO at Thundra (Acquired by Catchpoint)

..a lot to learn from his wisdom..
I had chance to work with when he was In Turksat. Ahmet is a well-rounded software engineer who has great expertise in multiple areas of the technology stack. In addition to his solid hands-on; Ahmet has a strong understanding on Software Architecture and Design. He has all the traits needed to design and lead software projects and teams. Apart from his technical qualities; I always enjoyed a lot to learn from his wisdom. Not only about tech but also life.
İbrahim Taşyurt

Software Developer, Tech Lead

..deep technical understanding and analysis skills..
Ahmet Özer is one of my best analytic problem solver ex-colleague that I had a chance to work with him. He had deep technical understanding and analysis skills, designs and implements creative solutions for software problems with best-fitting technology components.
I highly recommend him for companies which is looking for E2E software design, system design, building infrastructure and making all them running in a harmony. He created value for the company we worked together, he appended extra technical viewpoints for software problems that we worked on together.
İlker Eroğlu

Staff Engineer, Devops

..ability to think creatively and come up with innovative solutions..
I had the pleasure of working with Ahmet for several years and was consistently impressed with his technical expertise and attention to detail. I have always been impressed with his ability to design elegant, scalable solutions that meet both technical and business requirements. He has a deep understanding of software development best practices and is always on top of the latest industry trends. Ahmet is also an excellent communicator and collaborator, making him a pleasure to work with. His ability to think creatively and come up with innovative solutions was a real asset to our team. I would highly recommend Ahmet to any organization looking for a talented and dedicated team player.
Mehmet Çopur

Senior Software Engineer

..a willingness to go above and beyond to support others..
Worked together as part of the HBYS team whilst at Fonet. His ability to manage big, complex, challenging projects and his attention to detail stand out in particular. Also, has a strong interpersonal skill set and a willingness to go above and beyond to support others in their endeavors.
His excellent work ethic and skills will no doubt serve him well into the future for any project or team he is a part of. Any company would be fortunate to have Ahmet on board.
Sead Mustafa 🇦🇱

Full Stack Developer | Father | Tech Enthusiast

..exceptional technical expertise and passion for continuous learning..
I had the privilege of working with Ahmet Yaşar Özer, who excelled in the fields of DevOps automation, software architecture, and system design. Ahmet's exceptional technical expertise and passion for continuous learning made him an exemplary team player. He demonstrated a strong aptitude for creating efficient and scalable solutions that met both technical and business requirements, while skillfully utilizing automation tools to streamline development processes.
Ahmet's dedication to quality, generosity in sharing knowledge, and ability to maintain a positive demeanor in the face of complex challenges made him an invaluable team member in these roles. His commitment to achieving the best possible outcome for every project, combined with his strengths in leadership and collaboration, ensures any organization seeking a talented DevOps automation expert, software architect, or system designer would benefit greatly from having Ahmet on their team.
Oğuz Kaan Dere

Software Developer