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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Data & Full Stack - **Company:** AVOW - **Location:** Berlin, Germany - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Query Performance, Java (Programming Language), Application Programming Interfaces (APIs), Airflow, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, BigQuery, C Sharp (Programming Language), Extract Transform Load (ETL), Github, Identity and Access Management, Spring Framework, Python (Programming Language), PostgreSQL, Standard Sql, Software Engineering, SQL Databases, Data Logging, ReactJS, Snowflake, Spring-boot, Backend, Vue.js, Kotlin, Pytest, Production Code, AWS Fargate, Front End Software Development, Terraform, Data Pipelines, Docker, Amazon Redshift - **Published:** August 6, 2026 - **Apply:** https://www.adzuna.de/details/5829183060 ## About the Role * 3-5 years professional software engineering experience with production code in at least two of: Python, Java, SQL-heavy data work - and genuine willingness to work in all three * Strong SQL - comfortable with window functions, CTEs, large joins; experience with a columnar/MPP warehouse (Redshift, Snowflake, BigQuery) or deep PostgreSQL experience and the curiosity to learn Redshift's differences * Python for data pipelines - API clients, pagination/rate-limit handling, pandas or plain transforms, pytest * AWS fundamentals - S3, IAM basics, and at least one of ECS/Lambda/EC2 in production * Experience with batch/scheduled data workflows (Airflow preferred; Dagster/Prefect/cron-based acceptable) and an instinct for idempotency and failure handling * Can read and modify a Java or similar typed backend codebase (Spring Boot a plus; C#/Kotlin backgrounds transfer fine) Nice-to-haves (valuable, but not required): * Amazon MWAA specifically, or self-managed Airflow at scale * Redshift specifics: COPY/UNLOAD, DISTKEY/SORTKEY design, WLM, stl_/svl_ system tables * Spring WebFlux / reactive Java, R2DBC * Vue.js/Nuxt experience (React experience transfers) * Terraform/Terragrunt, Docker, GitHub Actions * dbt or similar transformation frameworks * Ad-tech / mobile attribution domain: MMPs (AppsFlyer, Adjust, Kochava), affiliate platforms (Everflow), postbacks, attribution windows, cost/revenue reconciliation * Flyway or comparable migration tooling ## Description This role sits inside our 5-person Engineering team, running the high-volume data platform behind our mobile OEM advertising business: nightly ETL pipelines pulling from 10+ mobile attribution and ad-network partners (AppsFlyer, Adjust, Everflow, Kochava, Huawei, Xiaomi, Oppo, Vivo, Mintegral), an Amazon Redshift warehouse feeding BI, and our internal full-stack platform (APH) used daily by our media buyers and partner managers. As our Software Engineer, you'll work across data pipelines, the warehouse, and the internal product, with real ownership from day one. Concretely, that means: * Building and maintaining Python ETL pipelines orchestrated on Apache Airflow (Amazon MWAA), running on ECS Fargate: API ingestion, S3 staging, Redshift COPY loads * Developing and evolving our Redshift star-schema warehouse: fact/dimension modeling, SQL transformation jobs, Flyway schema migrations, query performance tuning (DISTKEY/SORTKEY), data quality and reconciliation checks * Contributing full stack to our internal platform: Spring Boot 3 / Java 21 backend (WebFlux, R2DBC/PostgreSQL, Redshift analytics reads) and Vue.js frontend (Nuxt, Vuetify) * Adding integrations with new ad-network and attribution partners end to end: API client * transformer * S3 * Redshift * reporting * Owning reliability: idempotent re-runnable jobs, structured logging, monitoring/alerting, runbooks, and a light on-call rotation * Reviewing teammates' PRs and writing reviewable, well-tested changes yourself ## Related Videos - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [pytest: Simple, rapid and fun testing with Python](https://www.wearedevelopers.com/videos/213-pytest-simple-rapid-and-fun-testing-with-python) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [Automagic Configuration in Python](https://www.wearedevelopers.com/videos/363-automagic-configuration-in-python) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)