SW Engineer

AppsFlyer; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

AppsFlyer is seeking a Backend Developer to help shape our data export solutions and AI-enabled features. You will work on scalable backend services that move data to S3, BigQuery, and Snowflake, while enhancing the AI Assistant backend and agent orchestration.

You will own features end‑to‑end, from design to production, and tackle large‑scale data processing securely. A strong foundation in Scala/Java/Python and Big Data tools is essential for success.

Qualifications

• 3+ years of backend development experience.
• Strong experience in Scala, Java, Python, or a similar language.
• Experience with cloud platforms (AWS, GCP) and data stores.
• Hands-on Spark and Airflow experience.
• Experience building APIs and data‑intensive services on large databases.
• Exposure to LLMs and AI-powered features.

Responsibilities

• Build and scale backend data export services and pipelines with third‑party vendors.
• Develop AI Assistant backend: orchestration, tool integrations, and secure human‑in‑the‑loop actions.
• Own and develop products end‑to‑end from design to production.
• Process and deliver massive data volumes reliably, efficiently, and securely.
• Collaborate with Product Managers and Engineers to deliver customer value.
• Continuously learn and evaluate new technologies to scale with growth.

Skills

Backend development

Scala/Java/Python

Cloud platforms (AWS, GCP)

Big data tools (Spark, Airflow)

API design

LLMs exposure

Education

B.Sc. in Computer Science or equivalent

Tools

PostgreSQL

S3

BigQuery

Snowflake

Spark

Airflow

MCP

Job description

The Data Services group at AppsFlyer is looking for a talented Backend Developer to help shape our next-generation data export solutions.
Our mission is to give customers and partners a secure, reliable, and flexible way to get their data.
Our core product, DataLocker, delivers data reports on flexible schedules to stores like S3, BigQuery, and Snowflake.
The team also owns the AI Assistant, a conversational assistant built into the AppsFlyer platform, powered by LLMs, multi-agent orchestration, and MCP.
Our stack: Scala, Python, PostgreSQL, Spark, Airflow, LLMs, MCP and more.

What you’ll do

• Build and scale backend data export services and pipelines, integrating with various 3rd party vendors and data stores
• Build and evolve the AI Assistant backend: agent orchestration, tool integrations over MCP, and secure human-in-the-loop actions on customer data
• Own and develop products and features end-to-end, from design to production
• Process and deliver massive data volumes reliably, efficiently, and securely
• Collaborate with Product Managers and Software Engineers to deliver value to customers
• Continuously learn and evaluate new technologies to adapt to ever-growing scale

What you have

• 3+ years of backend development experience
• Strong experience in Scala, Java, Python, or a similar language
• Experience with cloud platforms (AWS, GCP), data stores and warehouses (such as S3, BigQuery, Snowflake), and access permissions
• Hands‑on experience with Spark and Airflow, or similar big data and orchestration tools
• Experience building and optimizing APIs and data‑intensive services on large‑scale databases (PostgreSQL preferred)
• Hands‑on exposure to LLMs (prompting, tool calling) and interest in building AI‑powered features
• B.Sc. in Computer Science or equivalent

Bonus points

• Experience with large‑scale data pipelines and streaming
• Experience building LLM‑based applications or agents (RAG, agent frameworks, MCP)
• Experience with data lake formats (such as Parquet, Delta, Iceberg)
• Recommended by an AppsFlyer employee

As a global company operating from 25 offices across 19 countries, we reflect the human mosaic of the diverse and multicultural world in which we live. We ensure equal opportunities for all of our employees and promote the recruitment of diverse talents to our global teams without consideration of race, gender, culture, or sexual orientation. We value and encourage curiosity, diversity, and innovation from all our employees, customers, and partners.

“As a Customer Obsessed company, we must first be Employee Obsessed. We need to make sure that we provide the team with the tools and resources they need to go All-In.” Oren Kaniel, CEO(edited)