Senior Full Stack Engineer

Summary

Join Mark43's Security team as a Full Stack Software Engineer to build new security offerings. You will work independently, transforming proof of concepts into fully functional products, owning the entire development lifecycle. This role involves close collaboration with stakeholders, defining and delivering security solutions. As an early driver of this product, you'll establish the technical foundation, ensure scalability and security, and guide a small team of contractors. This high-visibility position offers autonomy and significant impact on Mark43's product suite and customer security. The ideal candidate possesses at least 4 years of experience with Java and React, a deep understanding of databases and Agile methodologies, and experience with SIEM or log monitoring products.

Requirements

• At least 4 years of professional experience using Java and React in production
• Comfortable utilizing agile development and thoroughly testing your own code
• Write clear, concise code and intuitive documentation to help other engineers understand your contributions
• Previous experience developing a Security Information and Event Management (SIEM) or other log monitoring products
• Deep understanding of databases, automated testing, Agile methodologies
• Proficiency building and managing RESTful APIs
• Deep experience designing and building out products for complex cloud-based software applications, preferably hosted in AWS or Azure
• Knowledge of or prior experience with microservices architecture
• Extensive knowledge of JavaScript and its many frameworks, HTML, CSS, and an interest in testing out new FE technologies
• Knowledge of web architecture concepts including HTTP and REST

Responsibilities

• Partnered with various stakeholders to understand requirements, define the scope, and create a technical roadmap for the new security offering
• Designed and built core features of the product using technologies like Java, React, SQL, and cloud platforms e.g., AWS
• Developed robust APIs and backend infrastructure to enable seamless data processing and integration
• Built intuitive, user-friendly front-end components to provide customers with actionable insights and tools
• Worked autonomously to solve challenging technical problems, balancing speed and quality
• Documenty our code, architecture decisions, and technical design to ensure clarity for future team members
• Tested, refined, and validated your work to ensure the MVP meets high standards for reliability, security, and performance
• Presented progress updates and technical milestones to cross-functional stakeholders

Preferred Qualifications

• Humble, open, and curious. You recognize that no one is perfect and you will be wrong, and you’re excited about listening and learning being a big part of your job
• Attentive, active listeners. You’re interested in what others have to say and illustrate your interest with your actions
• Resilience. You do not shy away from challenging work and you proactively help your team solve problems
• Enthusiastic collaborators. You understand that the best outcomes are achieved through shared ownership, and seek to spread knowledge and expand participation rather than restrict it
• Comfortable with uncertainty. You know that sometimes problems and situations can’t be simplified or fully understood, and are at ease working within this type of haziness
• Passionate about personal growth. You view mistakes as opportunities for learning, and want to grow as a designer, colleague, and person
• Eager to help others. You look for ways to provide support for more junior members of the team and develop cooperative working relationships

Benefits

• Target base annual salary range of $155,000-$185,000
• Bonus opportunity
• Company stock options
• Full benefits package, including health insurance
• Paid time off
• 401k plan