Jobs at Reaktor

Develop native iOS and Android applications for gaming clients; collaborate with stakeholders and multidisciplinary teams; contribute to architecture, discovery, and iterative delivery; own testing, monitoring, and quality; occasionally work full‑stack and with Motion Designer on polished animations.

Senior Fullstack Developer building and improving web applications, backend services, APIs and production systems. Work spans frontend, backend and infrastructure, cloud and CI/CD, debugging and monitoring, client collaboration, clarifying ambiguous requirements, and taking delivery responsibility while supporting the team.

Senior Fullstack Developer who builds and improves frontend and backend systems, APIs and production services; works across cloud, CI/CD and operations; advises clients on architecture and delivery; debugs, tests and maintains production-grade systems; collaborates with cross-functional teams and leads delivery efforts.

Support Public Sector business development and account work: engage clients, prepare proposals and tender materials, present sales pitches, coordinate partners/subcontractors, and grow toward leading accounts and sales over time.

As a Senior Technical Lead, you'll guide cross-functional teams in architecture and implementation of scalable systems, ensuring engineering excellence.

The Lead Developer leads the software development lifecycle, collaborates with clients and teams, implements features, and improves workflows in a hybrid environment.

As a Lead Developer, you'll oversee software development, facilitate collaboration between clients and teams, and implement new features while ensuring quality delivery in an agile environment.

As a Full Stack Developer, you will handle the full software development lifecycle, working on both frontend and backend, implementing features, and engaging with clients.

As a Full Stack Developer, you will handle the full software development lifecycle, implementing features, debugging, designing architecture, and working closely with clients on technology selection.

Full Stack Developer position for implementing front-end and back-end solutions, collaborating with clients and teams, and handling software development tasks in a low-hierarchy environment.

As a Lead Developer, you will oversee the software development lifecycle, collaborate with clients, implement features, and support team dynamics while ensuring quality delivery and agile practices.

Hands-on senior fullstack developer building and maintaining web applications, backend services, APIs and production systems. Work spans frontend, backend and infrastructure, advising clients on architecture, delivery, CI/CD and production quality while collaborating with product teams and stakeholders.

Lead day-to-day People Operations for Reaktor Japan: manage the employee lifecycle, ensure local labor law compliance, coordinate with external vendors, support onboarding for domestic and international hires, align global People practices with local operations, advise leadership on people matters, and support recruiting and office community activities. Bilingual engagement (Japanese/English) and hands-on execution in a small, flat Tokyo office required.

The Senior Product Designer drives design across digital platforms, collaborates with teams, creates engaging user experiences, and leads design projects for clients, especially in the airline industry.

Design, implement and maintain full-stack features across front-end, back-end, databases and infrastructure. Collaborate with clients and teams to choose technologies, build CI/CD pipelines, debug, design architecture, and deliver production-ready solutions.

Work across the full software lifecycle: collaborate with client tech and business teams, select technologies, implement frontend/backend/database/infrastructure features, build CI/CD pipelines, debug, design architectures, and provide technical expertise and stakeholder-facing consulting.