11,061 Kotlin jobs
Open roles that use Kotlin for Android and JVM backends.
Full Stack Engineer
Full Stack Engineer on HSBC's Hong Kong Structured Products Technology team (8 developers), building Equity Derivatives trading infrastructure and re-writing legacy Excel/VBA tools in Java/Kotlin while managing end-to-end project delivery. Core stack: Java, Kotlin, AI-enabled development, Kubernetes, MongoDB.
Software Engineer
Software Engineer on HSBC's Hong Kong Structured Products Technology team building Equity Derivatives trading infrastructure. Day to day: analyzing and re-writing legacy Excel/VBA tools in Java/Kotlin, managing end-to-end projects from requirements to deployment, and liaising with Structuring and Sales desks, using AI-enabled development in Java/Kotlin/C#.
Senior Backend Engineer, Customer-Facing R&D
Senior backend engineer on Apono's customer-facing R&D team, working directly with enterprise customers to gather requirements, design and build backend features and integrations, and ship them to production. Core focus on backend fundamentals and cloud-native tech (Kubernetes, Docker, major clouds), with Go/Kotlin/React/TypeScript as pluses.
UI Engineer
Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains,…
Développeur Android / Kotlin (F/H) (H/F)
À propos d'INVERSIVE INVERSIVE est une plateforme SaaS B2B innovante dans le secteur de la XR (VR, AR, MR). Nous aidons les industriels et le monde de l'éducation à gérer leurs flottes de casques XR et leurs contenus…
Backend Team Lead
Lead a backend team building and scaling Apono's cloud-native access-management security platform (now part of 1Password), staying hands-on with system design and code reviews while owning architecture and delivery, using Kotlin/Go/Java on AWS/GCP, Kubernetes, Docker, and Kafka. Based in Tel Aviv; Hebrew and English fluency required.
Senior Software Engineer
Build security solutions for GenAI and Copilots, design scalable Big Data pipelines, and own features end-to-end at an AI agent security company using modern programming languages and cloud platforms.
Product Manager (Delivery)
Get CrossSense to market on time. Lead product delivery to our first customers through the pilot starting in February 2027, then to a wider launch in spring 2027, ensuring access to a live system people living with…
Senior Security Engineer
Wave is hiring a Senior Security Engineer to own application security projects end to end — from API security reviews and secrets management to privileged access — with a growing focus on securing AI/LLM tooling. You'll work mainly with Python and cloud technologies (GCP, Terraform, Kubernetes) on a small 4-person security team, fully remote.
Full Stack Developer - HR Technology
QRT is a global quantitative and systematic investment manager, operating across all liquid asset classes. We are a data- and technology-driven organisation applying scientific methods to investing. Our collaborative…
Senior Android Engineer - Fan Monetization
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Android Engineer – Fan Monetization based in the United States. The Senior…
Staff Software Engineer, Backend (Card)
Lead backend engineer for Affirm’s EU card products, designing scalable transaction and ledgering systems in Python/Kotlin on AWS, while collaborating with global teams to modernize payments.
Staff Software Engineer, Backend (Card)
Leads backend engineering for Affirm’s EU card systems, designing high-scale transactional and ledgering infrastructure (Python/Kotlin/AWS) while mentoring teams and ensuring operational reliability across global teams.
Senior Mobile Engineer (React Native), Shopping AI & Search
Senior Mobile Engineer on HelloFresh's Shopping AI & Search squad in Warsaw, building a high-scale React Native app with AI-powered shopping experiences: conversational search, personalized recommendations, and LLM-powered in-app assistant features. Core stack: React, TypeScript, GraphQL (Apollo Federation).
Senior Frontend Developer (React Native)
Senior frontend developer on HelloFresh's Growth Alliance team, building customer-facing mobile features (checkout, discounting, wallet, referrals, experimentation) with React Native, mobile skills (Swift/Kotlin), API integration, testing and CI/CD, plus daily use of AI dev tooling. Toronto-based, flexible hybrid (min. 2 days/week in office), paying $120k-$150k CAD.
Senior Mobile Engineer - React Native, Platform/Infrastructure (all genders)
As a Senior Mobile Engineer, you will help evolve HelloFresh's multi-brand mobile platform by migrating to a greenfield architecture and improving developer experience. You will work with React Native, native mobile technologies, and AI-driven workflows to build scalable, high-quality consumer applications.
Full Stack Engineer
Why Join You enjoy building things that matter. You want to see your code used by thousands of customers daily. At OCBC, you’ll build applications that power banking products and streamline development. You’ll shape…
[Ads] Staff, Back-end Engineer [L6-1] (Advertiser Platform)
Develops and designs backend services for Coupang's ad platform, focusing on scalable, low-latency systems and APIs to support advertiser campaigns and reporting.
Staff, Back-end Engineer (Advertiser Platform)
Designs and builds scalable, low-latency backend services for Coupang’s ad platform, integrating with microservices and APIs to power real-time advertiser campaigns on the ecommerce giant’s site and apps.