Jobs at Tillster

This cybersecurity engineer role focuses on securing cloud infrastructure (AWS, Azure, GCP), containerized environments (Docker, Kubernetes), and applications through vulnerability management, risk assessment, and security architecture review. The position requires hands-on experience with SIEM, EDR, WAF configuration, and embedding security scanning (SAST, DAST, SCA) into CI/CD pipelines.…See more The engineer will conduct threat modeling, manage IAM policies, perform penetration testing coordination, support incident response and post-incident reviews, and partner with engineering teams to balance security with delivery. The role also includes compliance support, vendor risk assessments, and serving in an on-call rotation for after-hours security incidents.

This role is a hands-on cybersecurity engineer responsible for securing cloud infrastructure (AWS, Azure, GCP), containerized environments (Docker, Kubernetes), and applications. Key duties include vulnerability scanning and penetration testing, threat modeling, Web Application Firewall (WAF) deployment and tuning, CI/CD security integration (SAST, DAST, SCA), incident response, and compliance support.…See more The engineer will work closely with DevOps and application teams to embed security controls, conduct code and architecture reviews, and provide risk-based guidance. Required experience includes 3–5+ years in cybersecurity or security engineering, hands-on SIEM/EDR/vulnerability management tools, cloud platforms, WAF configuration, and scripting (Python, Bash, PowerShell).

Senior back-end engineer to own and re-architect the payment-terminal platform powering restaurant kiosks, currently spanning 40+ integrations across card-present terminals, processors, and cash automation. You will design a modular, pluggable SDK enabling internal and external developers to build integrations against a stable contract, implement new integrations from wire-level protocols (TLV, BMP, APDU, BCD/LLVAR) up through high-level APIs, and establish platform-wide patterns for payment correctness (idempotency, transaction recovery, reconciliation).…See more Role requires 6+ years back-end engineering with strong Java, Spring, OOP, and distributed-systems design; hands-on work with serial (RS-232/USB-serial via jssc) and USB (usb4java) transports, REST/SOAP/webhook integrations, and PCI-DSS compliance patterns.