Senior Java Software Engineer

SplitMetrics; Warszawa; Remote; EUR 40,000 - 60,000; Full time

Job summary

Join a leading software company as a Java Developer, where you will build scalable systems and work with Big Data. The role emphasizes innovative software solutions, making a significant impact in mobile-first business growth. You’ll be part of a dynamic team focused on collaboration and excellence, with opportunities for professional development and a flexible remote work environment.

Benefits

Flexible working schedule

Medical insurance or health care compensation

Paid sick leave

Internal courses for professional development

Corporate online events and retreats

Coworking costs coverage

Qualifications

• 4+ years of experience in Java, Spring, and Spring Boot.
• Experience with data storage solutions like Postgres and SQL.
• B1+ English proficiency.
• Track record in building scalable micro-services.

Responsibilities

• Build scalable high load systems using Java and Spring.
• Process large data amounts over 1TB per day.
• Improve system reliability and test coverage.

Skills

Java

Spring

Spring Boot

Postgres

SQL

Micro-services

CI/CD

Web technology

Algorithms

Data structures

Job description

SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile-first businesses worldwide. Our ecosystem includes:

• SplitMetrics Acquire, a platform for automating and optimizing Apple Ads.

• SplitMetrics Agency, a full-service mobile marketing agency staffed by top experts.

• SplitMetrics Optimize, an A/B testing platform recognized as the ASO Tool of the Year.

• App Radar by SplitMetrics: an ASO platform with advanced keyword and competitor insights.

Why SplitMetrics?

• For almost 10 years, we've been at the forefront of the mobile marketing industry, providing an ecosystem of market-leading technologies.

• An Apple Ads Partner, SplitMetrics is the 1st company to build the Apple Ads management platform.

• Working with top mobile companies and brands globally: Skyscanner, Glovo, Flo, Babbel, Wooga and many more.

• Generating an impressive transaction volume, with over $1 billion in ad spend flowing through our ecosystem.

• Integrated AI into our strategic approach since 2023.

• Effectively collaborate across 20+ countries with a remote-first and supportive culture.

In this role you will:

• Build scalable high load systems using Java and Spring.

• Process a large amount of incoming data (>1TB per day).

• Work with Big data. Adapt the product to work with a large amount of data (hundreds of millions records per day).

• Improve system (ETL) reliability.

• Improve test coverage.

• Design, build, deploy, monitor and maintain products.

About you:

• 4+ years of experience working with Java, Spring and Spring Boot.

• Experience with data storages like Postgres, and SQL.

• B1+ English level.

• Experience in building solutions based on micro-services and scaling such systems.

• Experience with modern CI/CD approaches and tools.

• Knowledge of computer science fundamentals.

• Solid knowledge of standard web technology (HTTP, HTML5, client/server model, security principals).

• Basic knowledge of concepts of algorithms and data structures.

How we measure success in this role:

KPIs:

• Scalable Backend: % of endpoints/services meeting P99 latency thresholds (target ≥ 90%)

• Efficient Data Flow: data pipeline success rate (target ≥ 99.5%)

• Reliable Platform: service uptime (target ≥ 99.9%)

• Product-Aligned Architecture: number of architectural decisions documented and shared (target ≥ 1/month)

UVPs:

• Scalable Backend: % of endpoints/services meeting P99 latency thresholds (target ≥ 90%)

• Efficient Data Flow: data pipeline success rate (target ≥ 99.5%)

• Reliable Platform: service uptime (target ≥ 99.9%)

• Product-Aligned Architecture: number of architectural decisions documented and shared (target ≥ 1/month)

It would be nice if you have:

• Experience working with AWS and ECS (Fargate).

• Experience working with Spring Cloud and Spring Cloud AWS.

• Experience working with iBatis or Mybatis.

• Experience with Golang

What is there for you?

• Time Off:Vacation and public holidays following your country's regulations. Additional PTOs annually for personal rejuvenation.

• Health and Wellness: Medical insurance or health care compensation. Paid sick leave to prioritize your well-being.

• Professional Development: Top online/offline conferences and mobile industry events. Internal courses for continuous professional development.

• Performance and Growth:Micro-management-free and supportive management style. Semi-annual performance review sessions. New career opportunities through our internal mobility program.

• Team Engagement: Corporate online events and offline team retreats. Collaboration between teams through shared OKRs. Environment conducive to open dialogue and constructive feedback.

• Work Flexibility: Flexible working schedule for a better work-life balance. Remote-first working environment.

• Workspace Options: Coworking costs coverage program. Office hubs in key locations for a convenient and productive work environment.

Our Culture

At SplitMetrics, our values are not just words — they guide everything we do. To achieve our ambitious goals and maintain success, we stand united by our core behaviors:

• Move Fast

• Get Sh*t Done

• Build Together

• Strive for Transparency

• Own What You Do

• Learn + Share = Excel

Remote Hiring Guidelines: At SplitMetrics, we welcome team members from various countries. While all our roles are remote, certain positions may have specific eligibility requirements based on location. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.