San Diego's Custom Software Development Company

Scroll Arrow Icon
one team, one mission

Seamgen is Your Custom Software Development Company

At our custom software development company, we prioritize creating meaningful experiences for our clients and employees in a positive work environment. Our team is dedicated to helping innovative startups and enterprises engage with their customers across multiple digital platforms. As the leading app development company in San Diego, we specialize in using a user-centric design approach combined with agile methodology and cutting-edge technology to develop top-notch web and mobile applications that enhance user engagement. Since our inception in 2008, our custom software development company has remained focused on designing and building immersive, intuitive user experiences that are second to none.


Custom Software Development San Diego

Our Core Values


Seamgen’s hard working individuals make up the leading app developer team in San Diego, and consistently strive to build the best product on the market to help your business succeed. We are always seeking out emergent technologies and trends so we can be at the forefront of innovation.


Camaraderie creates better business and long-lasting relationships. We strive to create a common sense of purpose and bring great people together to accomplish important things, while having fun. When business is going well, we like to celebrate our wins, and when posed with a challenge we collaborate and trust one another to deliver excellent custom software solutions.


Collaboration is highly encouraged and clear, consistent communication is key to success. Whether it’s our cross-functional teams or regular meetings with our clients - collaboration is critical to the success of a software development project.


Seamgen’s hard working individuals make up the leading app developer team in San Diego, and consistently strive to build the best product on the market to help your business succeed. We are always seeking out emergent technologies and trends so we can be at the forefront of innovation.

our people

Meet the Team that Makes it Happen

  • Marc Alringer Marc Alringer
    Marc Alringer
  • Mark Coulstring Mark Coulstring
    Mark Coulstring
    VP of User Experience
  • Shaheen Georgee Shaheen Georgee
    Shaheen Georgee
    Engineering Manager
  • Ann McFay Ann McFay
    Ann McFay
    Dir. Project Management
  • Julia Garrido Julia Garrido
    Julia Garrido
    Project Manager
  • Micheal Henke Micheal Henke
    Micheal Henke
    Mobile Manager
  • Travis Yunis Travis Yunis
    Travis Yunis
    UX Lead
  • Josh Kirkland Josh Kirkland
    Josh Kirkland
    UX Designer
  • Daniel Won Daniel Won
    Daniel Won
    UX Designer
  • Jennifer Kwon Jennifer Kwon
    Jennifer Kwon
    UX Designer
  • Burak Ozcalgar Burak Ozcalgar
    Burak Ozcalgar
    Software Quality Analyst
  • Alec Prassinos Alec Prassinos
    Alec Prassinos
    Senior Software Engineer
  • David Tello David Tello
    David Tello
    Software Engineer
  • Jeremy Moyers Jeremy Moyers
    Jeremy Moyers
    Senior Software Engineer
  • Enrique Vega Enrique Vega
    Enrique Vega
    Jr. Front-End Web Developer
  • Eric Hendrickson Eric Hendrickson
    Eric Hendrickson
    Full Stack Software Engineer
  • Zhi-Ning Liang Zhi-Ning Liang
    Zhi-Ning Liang
    Senior Software Engineer
  • Daniel Macias Daniel Macias
    Daniel Macias
    Senior Full Stack Web Developer
  • Angel Garcia Angel Garcia
    Angel Garcia
    Software Engineer
  • Yoon Chang Yoon Chang
    Yoon Chang
    Software Engineer
  • Frank Garcia Frank Garcia
    Frank Garcia
    DevOps and Automation Engineer
Looking for New Opportunities?

Working at a top San Diego custom software development company.

If you're interested in working for a top custom software development company in San Diego, look no further than Seamgen. At our company, everyone shares a common goal of creating exceptional digital solutions and user experiences. We only hire the best of the best, but what sets us apart is our emphasis on finding the right fit. When talented individuals with complementary skills work together, they produce remarkable results. Our focus is always on putting the right team members with the right expertise on each project. Additionally, our clients work directly with our team members, which means that they have access to the specific designer who worked on their project. At our custom software development company, we believe that work should be enjoyable and engaging, and we strive to create a fun and positive work environment for all our employees.

Play Icon

Perks of the Job

  • Medical, Dental Vision
  • Medical, Dental Vision

    It's pretty hard to do good work when you're not feeling 100%. Stay healthy and happy. We've got you covered.
  •  401k
  • 401k

    Set aside some hard earned cash so one day you can finally retire to that tropical island.
  • Free Snacks
  • Free Snacks

    You'll never have to work on an empty stomach. Our kitchen gets stocked every 2 weeks with delicious drinks and snacks.
  • Company Outings
  • Company Outings

    We've gone to padres games, horse races, happy hours, K1 Speed Way - When you work hard you get to play hard.
  • Beer in the Fridge
  • Beer in the Fridge

    Is there anything more beautiful than free beer?
Our Work

Have a Look at What We Do


Do you need a premier custom software development partner?

Let’s discuss your modernization strategy and digital application goals.


We’re a SBA Certified Small Business


Custom Computer 

Programming Services





Computer System 

Design Services


Computer Facilities 

Management Services


Other computer 

related services