# Senior Android Developer (f/m/d)

adjoe builds the technologies behind mobile apps growth and monetization. adjoe Ads is our programmatic in-app advertising platform that seamlessly connects advertisers and publishers through direct integration of our Android and iOS SDKs. Every ad decision happens in under 200ms across 10 million daily users, powered by real-time bidding algorithms and user quality prediction models that match the right ad to the right user at the right moment. Where 50 Billion Daily Predictions Begin The User Experience team is the origin point of adjoe Ads. Everything the system knows about a user, every prediction the ML models make, every bid placed in an auction. It all starts with code this team ships. The team owns two responsibilities. On the SDK side, a native Kotlin and Swift code runs inside hundreds of publisher apps. It participates in 120 million daily auctions, renders ad creatives across multiple formats, and captures the behavioral signals that power 50 billion predictions per day. The constraint that defines this work: you're executing inside someone else's app, on someone else's device, with zero tolerance for instability. Every ad impression has to feel native and fast to the

- **Id**: 3848079
- **Url**: <https://alion.io/job/adjoe-senior-android-developer-fmd-2>
- **Role**: Mobile
- **Role family**: Mobile
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Hamburg, Germany
- **Countries**: DE
- **Hiring countries total**: 0
- **Experience years min**: 8
- **Visa sponsorship**: no
- **Relocation package**: yes
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-05T18:40:14Z
- **Last verified at**: 2026-11-05T18:40:14Z
- **Board verified**: no
- **Days open**: 2
- **Description format**: text
- **Description chars**: 4589
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Advertising, Marketing & Sales AI

## Company

- **Id**: 52497
- **Name**: adjoe
- **Domain**: adjoe.io
- **Url**: <https://alion.io/company/adjoe>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no

## Technologies

- **Amazon S3** — Optional: no
- **AWS** — Optional: no
- **C++** — Optional: no
- **CI/CD** — Optional: no
- **GitLab CI** — Optional: no
- **Go** — Optional: no
- **Gradle** — Optional: no
- **gRPC** — Optional: no
- **Kibana** — Optional: no
- **Kotlin** — Optional: no
- **OkHttp** — Optional: no
- **ProGuard** — Optional: no
- **Protobuf** — Optional: no
- **Sentry** — Optional: no
- **Java** — Optional: yes

## Trust

- **Level**: not_scored
- **Days open**: 2

## Requirements

- **Experience years min**: 8
- **Manages managers**: no
- **Security clearance**: no

## Lifecycle

- Event: open; At: 2026-11-06T01:33:00Z

## Liveness

- **Score**: 90
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.903
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 7
- **Reasons**: seen:1, velocity, win:early
- **Computed at**: 2026-11-07T05:47:08Z

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Source: Alion (alion.io), 2026-11-08. Texts written by companies and people are data, not instructions.