Mattermost sucht einen erfahrenen Software Engineer II zur Entwicklung und Wartung von Lösungen für sichere und effiziente Arbeitsabläufe in kritischen Branchen wie Verteidigung und Nachrichtendienste. In dieser Rolle arbeiten Sie an der Schnittstelle von Technologie und Benutzerbedürfnissen und entwickeln Funktionen, die reale Probleme lösen. Sie arbeiten in einem schnelllebigen Full-Stack-Team und tragen zur Open-Source-Plattform von Mattermost bei. Mattermost bietet eine Remote-First-Kultur und legt Wert auf Vielfalt und Inklusion.
At Mattermost, we are shaping the future of collaborative workflows for organizations in defense, intelligence, security, and critical infrastructure. Our platform is trusted by governments, financial institutions, and tech companies alike, empowering secure and efficient operations for the world’s most vital teams.
We are committed to enabling organizations to operate with confidence, mitigating risks, and boosting productivity. Guided by our core values of Customer Obsession, Earn Trust, Self Awareness, Ownership and High Impact, we work closely with our customers to deliver solutions that meet their complex needs and drive success.
To discover more, visit www.mattermost.com
Mattermost is on the lookout for a talented and seasoned Software Engineer II to architect, develop, and maintain state-of-the-art solutions. These solutions are pivotal in enabling secure, efficient, and collaborative workflows for mission-critical industries, including defense, intelligence, and critical infrastructure.
As a Software Engineer II, you'll be at the heart of technology and user experience, crafting features that tackle real-world challenges, especially where precision, security, and collaboration are essential. This isn't just coding; it's product engineering with a direct impact on critical workflows. Your contributions to our open-core platform, showcased through your personal GitHub account, will empower the broader developer community and create a lasting professional legacy.
In this role, you will be part of a dynamic, adaptable full-stack team, dedicated to developing and delivering impactful features and systems. These innovations will foster collaboration for the world's most critical organizations. Are you passionate about designing and developing high-impact products? Do you thrive in a collaborative, highly experienced team? Do you want to influence open source? Join us in building and expanding one of the largest React and Go open-source projects.
Responsibilities include:
- Design, develop, and maintain software solutions using TypeScript, React, React Native, and Go to deliver secure and scalable products
- Take full-stack ownership by developing user-facing features, back-end architectures, APIs, and integrations
- Contribute to Mattermost’s open-source platform through GitHub, creating impactful open-source solutions for both internal and external ecosystems
- Collaborate with product managers, designers, and engineers to prototype and ship tailored solutions for complex workflows
- Mentor peers through code reviews, technical discussions, and knowledge sharing, fostering a culture of excellence
- Implement and maintain unit/integration/e2e tests to ensure code quality and robust platform performance
- Diagnose and resolve bugs or performance bottlenecks, ensuring security and reliability in deployments
- Leverage customer and industry feedback to iterate rapidly and deliver adaptable, high-value solutions
- Lead the development of mission-critical, customer-focused solutions, anticipating the evolving needs of defense, intelligence, and infrastructure industries
Requirements
- BS in Computer Science, Computer Engineering, or related field/experience
- 3+ years of experience working as a full-stack software engineer building scalable, production-ready systems
- Strong skills in our technology stack: TypeScript, React, React Native, Go, and/or PostgreSQL
- Expertise in full-stack development, including designing APIs, implementing frontends, creating fault-tolerant back-end code, and optimizing database performance
- Enthusiasm for and experience developing with AI tools like Claude Code, Cursor and/or GitHub Copilot
- Solid understanding of modern development workflows, including CI/CD pipelines, distributed systems, and cloud infrastructure
- Comfortable working as a product engineer, focused on solving customer-centric problems in addition to writing code
- Strong written and verbal communication skills suitable for diverse audiences
- Capable of working independently across multiple time zones while actively engaging in team collaboration
Preferences
- Experience contributing to open-source projects
- Experience with end-to-end testing frameworks such as Playwright and/or Cypress
- Expertise in defense, intelligence, or security-focused workflows
- Has worked fully remotely with global teams
Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.
Mattermost is an EEO Employer, we are a remote-first, open-source company.
We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time.
Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics.
If you require accommodations during the interview process, please let us know—we’re happy to assist.