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I’m a full-stack software engineer with a strong product sense and a bias toward action. I’ve worked as a founding engineer and helped grow early-stage startups, building scalable, user-focused systems from the ground up. I’m based in San Francisco and currently working on a few independent projects. I’m open to working with teams looking to level up their development practices—or with anyone who wants to bring an idea to life from scratch.…I’m a full-stack software engineer with a strong product sense and a bias toward action. I’ve worked as a founding engineer and helped grow early-stage startups, building scalable, user-focused systems from the ground up. I’m based in San Francisco and currently working on a few independent projects. I’m open to working with teams looking to level up their development practices—or with anyone who wants to bring an idea to life from scratch.

Mark Janzer

Full Stack Developer, Web Developer, Back-End Developer

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I’m a full-stack software engineer with a strong product sense and a bias toward action. I’ve worked as a founding engineer and helped grow early-stage startups, building scalable, user-focused systems from the ground up. I’m based in San Francisco and currently working on a few independent projects. I’m open to working with teams looking to level up their development practices—or with anyone who wants to bring an idea to life from scratch.…I’m a full-stack software engineer with a strong product sense and a bias toward action. I’ve worked as a founding engineer and helped grow early-stage startups, building scalable, user-focused systems from the ground up. I’m based in San Francisco and currently working on a few independent projects. I’m open to working with teams looking to level up their development practices—or with anyone who wants to bring an idea to life from scratch.

Available to hire

I’m a full-stack software engineer with a strong product sense and a bias toward action. I’ve worked as a founding engineer and helped grow early-stage startups, building scalable, user-focused systems from the ground up.

I’m based in San Francisco and currently working on a few independent projects. I’m open to working with teams looking to level up their development practices—or with anyone who wants to bring an idea to life from scratch.