Full-Time

Senior – Backend Developer

f/m/d

Posted on 10/31/2025

applike group

applike group

201-500 employees

Builds independent app-focused companies for publishers

No salary listed

Hamburg, Germany

Hybrid

Hybrid work: 3 core office days per week in Hamburg.

Category
Software Engineering (1)
Requirements
  • 4-5 years experience of backend or cloud software development. Mid level: 2+ years experience
  • Expert in one backend language: Go, Java, PHP, Python, NodeJS. Mid level: 1+ year(s)
  • Willingness to learn go
  • Good understanding of software architecture, distributed systems and application design
  • Basic understanding of IaC tools like terraform
  • Team Player, Problem-Solver, Task Owner
Responsibilities
  • You bring fresh ideas to further improve our robust and reliability-first Golang backend (separated over several, globally located data programming centers)
  • Take a leading role in designing and implementing new microservices
  • Collect and unify all the minor variants of APIs and user flows out there
  • Constantly improve our existing code and system architecture
  • Work with experts from different technological backgrounds and countries, learn from your highly experienced colleagues and share your knowledge
  • Collaborate with all kinds of roles in our cross-functional teams
Desired Qualifications
  • Optional: Familiarity with frontend frameworks like React, Angular, Svelte
  • Optional: Experience with AWS services like DynamoDB, ECS, Kafka and SQS

AppLike Group builds and manages a portfolio of independent companies that provide specialized tools for mobile app publishers, including advertising networks, mobile games, and growth automation platforms. These products work by leveraging shared technology and data across the group to help developers acquire users, monetize apps through rewarded gameplay, and automate marketing strategies. Unlike traditional software firms, AppLike Group operates as a "company builder," launching autonomous businesses like adjoe and Sunday that focus on specific niches while benefiting from a central pool of knowledge. The company's goal is to provide a complete ecosystem of solutions that help app publishers scale their businesses and increase revenue in the global app market.

Company Size

201-500

Company Stage

Late Stage VC

Total Funding

$110M

Headquarters

Hamburg, Germany

Founded

2015

Simplify Jobs

Simplify's Take

What believers are saying

  • justDice's rewarded gaming aligns with 2025 shift toward engagement-based monetization over traditional ads.
  • adjoe's premium video ad formats capture higher CPM rates in fragmented global mobile ad market.
  • justtrack automates user acquisition, addressing industry shift toward programmatic growth optimization for publishers.

What critics are saying

  • Google Privacy Sandbox blocks third-party SDK trackers, crippling justtrack's automation and slashing retention.
  • Unity and IronSource-Microsoft consolidation erode adjoe's market share through integrated, superior ad solutions.
  • EU DMA fines target Sunday's addictive mechanics with €50M penalties, forcing monetization redesigns.

What makes applike group unique

  • Vertically integrated company builder covering full mobile app value chain from monetization to growth.
  • justDice leads rewarded gaming with 50M+ users, capturing engagement-based monetization trend.
  • Shared infrastructure across adjoe, justDice, Sunday, justtrack enables rapid scaling and operational efficiency.

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Benefits

Hybrid Work Options

Flexible Work Hours

Mental Health Support

Unlimited Paid Time Off

Employee Assistance Program

Growth & Insights

Headcount

6 month growth

0%

1 year growth

2%

2 year growth

-1%
INACTIVE