Tech jobs

Open 15d RemoteEuropeInternshipIntern

Software Engineer I, Fullstack (Servicing International)

api kotlin maven python react +1 skills

Build full-stack features for Affirm’s global servicing platform, including purchase protection and agent tooling, using React, Python/Kotlin, and collaborating with international teams.

203 000 – 303 000 PLN

agentic-ai agile ai aws ci-cd +19 skills

Senior Software Engineer

Open 65d HybridUKSenior

United Kingdom

Build and scale real-time, distributed betting and risk-management systems using C#, cloud-native tools, and microservices to power sportsbook operators.

api java javascript kotlin rust +2 skills

Software Engineer (Video Player)

Open 65d HybridLATAM

Colombia

Build and maintain a high-performance video player using JavaScript and Rust, focusing on playback, rendering, and viewer experience for sports content.

Open 45d HybridEuropeFull-time

Software Engineer III

Estonia

Build and scale real-time, distributed sports-betting systems using modern cloud tech, focusing on risk management and high-availability architectures.

agentic-ai agile ai aws ci-cd +20 skills

4 800 – 6 000 € / mo

Open 29d HybridNorth AmericaStaff

Staff Software Engineer, Fan Engagement

api automation aws data-pipelines distributed-systems +10 skills

Build and lead real-time ad-tech systems for sports data, designing scalable backend services, APIs, and web frontends to power automated advertising and fan engagement products.

240 000 – 255 000 $

Open 29d On-siteLATAMSenior

Senior Software Engineer, Fan Engagement

Colombia

Senior Software Engineer at Genius Sports in Medellín building backend systems that power fan-facing sports content and data, using JVM technologies like Java/Kotlin and Spring.

aws cloud distributed-systems java jvm +4 skills

api ci-cd kotlin nodejs react +2 skills

Software Engineer, Fan Engagement

Open 29d On-siteLATAM

Colombia

Builds and maintains web apps that enhance how sports fans interact with live data, using modern frameworks like ReactJS and NodeJS in Medellín.

Software Engineer, Ad-Tech

HybridNorth America

agentic-ai agile ai api cloud +6 skills

Build and evolve backend systems and data platforms for ad-tech infrastructure, using Rust, Kotlin, and TypeScript to power scalable, real-time advertising solutions.

170 000 – 210 000 $

Jeitto

android api dart datadog flutter +6 skills

Engenheiro(a) Mobile Flutter Sênior

HybridLATAM

Brazil

Senior mobile developer focused on building and optimizing Flutter-based fintech apps, ensuring high performance, UI/UX fidelity, and native integrations for a credit platform serving 6.5M+ users.

Zwift

ai android api cpp grpc +6 skills

Senior Mobile Engineer at Zwift builds and maintains high-performance mobile code (Java/Kotlin/Swift/Obj-C) for Zwift’s hardware ecosystem, ensuring seamless peripheral connectivity (Zwift devices + third-party sensors) within the Zwift gaming platform. Collaborates cross-functionally to optimize technical strategy for reliability and scalability.

DriveWealth

Open 51d HybridNorth AmericaFull-timeSenior

Senior Software Development Engineer, Cash & Liquidity

ai api aws azure cloud +23 skills

Senior backend engineer building cash and liquidity systems for a fintech platform that powers global investing via APIs, handling money movement and financial workflows.

155 000 – 175 000 $

Encora

android angular api css html +9 skills

Mobile Developer / Ionic

Open 65d LATAM

Peru

Build and migrate hybrid mobile apps using Ionic, Angular, and Capacitor, integrating native Android features and REST APIs.

Senior Software Engineer, Backend (Recoveries)

RemoteEuropeSenior

analytics aws kotlin kubernetes maven +5 skills

Senior Backend Engineer focused on designing and optimizing loan recovery systems for Affirm’s fintech platform, ensuring robust charged-off loan recovery, system monitoring, and minimizing discrepancies with business partners. Core tech stack: Python, Kotlin, AWS, MySQL, Kubernetes.

308 000 – 428 000 zł

analytics aws kotlin kubernetes mysql +4 skills

Senior Software Engineer, Backend (Recoveries)

RemoteEuropeSenior

Spain

Leads backend engineering for loan recovery systems at Affirm, designing scalable platforms to maximize charged-off loan recovery while minimizing system discrepancies. Owns team goals, mentors engineers, and collaborates cross-functionally on technical and business challenges.

86 000 – 122 000 €

Open 17d RemoteEuropeSenior H-1B sponsor history

Senior Software Engineer, Backend (Card Acquisition)

analytics aws distributed-systems kotlin kubernetes +3 skills

Build and own backend systems for Affirm’s card acquisition flow, using Python/Kotlin, AWS, MySQL, and Kubernetes to deliver scalable, high-availability services that drive user trust and conversion.

308 000 – 428 000 PLN

WISE INTEGRATION

agile api aws azure css +11 skills

Senior Full Stack Software Engineer (Java/React) | Kaunas

HybridEuropeSenior

Lithuania

Designs and develops full-stack applications using Java/Kotlin (backend) and React/TypeScript (frontend), focusing on scalable architecture (DDD, CQRS) and API-driven systems.

2 700 – 3 600 € / mo

Open 37d RemoteEuropeSenior H-1B sponsor history

Senior Software Engineer, Backend (Identity International)

ai analytics aws distributed-systems kotlin +5 skills

Build and maintain Affirm’s global identity backend in Kotlin/Python, ensuring secure KYC, user lifecycle management, and regulatory compliance across international markets.

308 000 – 428 000 PLN

Anduril Industries

Open 21d North AmericaFull-time H-1B sponsor history

Android Engineer

ai android api arcgis bash +23 skills

Build Android apps for military drone control, integrating real-time sensor data, mapping, and secure comms using Jetpack Compose, Kotlin, and backend services in C++/Rust/Golang.

166 000 – 220 000 $

fetch

RemoteNorth AmericaContractStaff

Staff Backend Engineer - Developer Foundations