Kotlin Software Engineer Jobs

Join OKX as a New Grad Mobile Engineer building iOS and/or Android features and exploring AI-native product experiences. You’ll use AI-assisted development tools, collaborate with product and design, and own features from concept through iteration.

Join GameChanger’s InfoSec team as the primary security engineering partner for software development, embedding application security and DevSecOps into every stage of delivery. You’ll build secure developer platforms, guide cloud and mobile security, manage vulnerabilities, and help engineering teams ship safely without unnecessary friction.

Lead the architecture and multi-year strategy for EarnIn’s Identity & Trust platform, building secure, highly available systems for authentication, identity verification, privacy, and fraud prevention. This Senior Staff role combines deep backend engineering with cross-organization technical leadership, mentoring, and responsible adoption of AI-assisted engineering workflows.

Join EarnIn’s Growth engineering team as a Staff Software Engineer shaping acquisition and onboarding products that expand access to financial flexibility. You’ll lead architecture, implementation, mentoring, and cross-team initiatives in a remote-first role with a Mexico City hybrid option.

Build scalable platform services and APIs at Motive while shaping architecture, production reliability, and engineering standards. This staff-level role combines hands-on software development with technical leadership and mentorship.

Build reliable software that automates customs workflows and helps global businesses move goods across borders. You’ll model complex logistics domains, integrate with government agencies and partners, and ship products rapidly using Flexport’s evolving platform.

Lead backend engineering for Affirm's Recoveries platform, building reliable systems that maximize recovery of charged-off loans and reduce discrepancies with business partners. You'll own team goals, guide engineers through ambiguous problems, and raise the bar for system quality and operational excellence.

Join Affirm’s Recoveries team to build scalable backend systems that maximize charged-off loan recovery and improve reconciliation with business partners. This senior role combines hands-on engineering with technical leadership, mentoring, and operational ownership.