Position: Senior Big Data Engineer
Company: Sift
Experience required: 5y
English level: upper

Our MLOps teams are part of our core Data Science and Machine Learning group, consisting of Online and Offline ML teams.

The Online ML team is responsible for building and operating low-latency and data-intensive systems such as a feature store, feature extraction, ML model serving, and versioning systems. 

The Offline ML team is responsible for ML model release process, ML pipelines, model training, and validation.

Our R&D team consists of over 100 people and 40+ are based in Ukraine.

**Tech stack:**
- Java
- GCP
- Spark
- Flink
- Dataflow
- Dataproc
- Airflow

**Other Sift Products Tech stack** - AWS, Athena, Snowflake, BigQuery, Ruby, RoR, FE: React.js.
We use Scrum and 2 weeks sprints.

**Opportunities for you:**
- Professional growth: quarterly Growth Cycles instead of performance review;
- Experience: knowledge sharing through biweekly Tech Talks sessions. You will learn how to build projects that handle petabytes of data and have small latency and high fault tolerance;
- Business trips and the annual Sift Summit, in 2022 Summit takes place in California;
- Hybrid work approach: you can choose where you work better remotely or in the office.

**What would make you a strong fit:**
- 7+ years of professional software big data development experience;
- Experience building highly available low-latency systems using Java, Scala, or other object-oriented languages;
- Knowledge of GCP or AWS cloud stack for web services and big data processing;
- B.S. in Computer Science (or related technical discipline), or related practical experience.

**Bonus points:**
- Experience working with large datasets and data processing technologies for both stream and batch processing, such as Apache Spark, Apache Beam, Flink, and MapReduce;
- Experience solving problems with production systems, and building solutions and automation to prevent them from reoccurring;
- Familiarity with practical challenges in ML systems such as feature extraction and definition, data validation, training, monitoring, and management of features and models;
- Practical knowledge of how to build end-to-end ML workflows;
- Experience with building an ML feature store for batch and real-time aggregation/serving.

**What you’ll do:**
- Building and operating low-latency and data-intensive systems;
- Designing, implementing, and operating large-scale distributed systems;
- Collaborate with US-based ML teams and work with them in close partnership on core components of Sift products.

**Benefits and Perks:**
- A compensation package that consists of financial compensation, a biannual 5% bonus, and stock options;
- Medical, dental, and vision coverage;
- 50$ for sports and wellness;
- Education reimbursement: books, education courses, conferences;
- Flexible time off: we follow an unlimited vacation approach;
- Tuned work schedule to Kyiv timezone despite US offices location: biweekly demo sessions are optional for our team and we watch them from recording;
- Mental Health Days: additional day-offs;
- English courses and social activities inside the company that allow improving your public speaking and language.

**Our interview:**
We follow the same process for all teams, technical interview consists of 2 parts:
- 60 min technical phone interview with the engineering manager, 1 coding task Leetcode medium level like. 
- Virtual on-site interview: 4 sessions, 45 mins each, that cover coding, system design, experience, and soft skills.
During our sessions, you will have the opportunity to learn about company culture, meet engineers from your team and discuss distributed system problems. You will have time for all interesting questions and get transparency regarding your future responsibilities and the project.

**Let’s Build It Together:**
At Sift, we are intentionally building a diverse, equitable, and inclusive workplace. We believe that diversity drives innovation, equity is a fundamental right, and inclusion is a basic human need. We envision a place where all Sifties feel secure sharing their authentic selves and diverse experiences with their teams, their customers, and their community – ultimately using this empowerment and authenticity to build trust and create a safer Internet.

This document provides transparency around the way in which Sift handles the personal data of job applicants: https://sift.com/recruitment-privacy