Senior Specialist, Safety Investigations
Location: Tallinn, EstoniaView all roles
About the role
Bolt is committed to enhancing rider and driver safety through proactive risk detection solutions. The Investigation Specialist will play a key role in bridging the data science team with real-world safety risks, validating anomalies, identifying risk patterns, and refining model accuracy. This will help inform the development of a proactive safety framework that addresses the highest risks for riders and drivers. The role involves close collaboration with Product, Engineering, Data Science, Customer Experience, and Safety Incident Management teams to create a defense strategy against emerging safety threats.
What you can expect
Main tasks and responsibilities:
Monitoring evolving local safety crises and trends to analyze and uncover root causes
Collaborating with the Data Science team to support all stages of the data model development lifecycle, from hypothesis validation to prototyping and large-scale implementation, ensuring model outputs align with real-world safety insights and market-specific contexts
Validating flagged anomalies by using a stratified sampling approach to assess flagged cases and calculate the confusion matrix (TP, FP, TN, FN), to help optimize model recall and precision.
Providing insights for model refinement by documenting trends, edge cases, and system blind spots (e.g., recurring anomalies in specific geofences) to support data model parameter adjustments.
Analyzing user-reported tickets to identify unflagged risks and detect patterns missed by current models, proposing new detection mechanisms to improve overall detection capabilities.
Refining model thresholds by validating and adjusting them to ensure sensitivity and specificity across different markets.
What we expect
About you:
Experience is great, but what we really look for is drive, intelligence, and integrity. So even if you don’t tick every box, please consider applying!
You have experience in risk investigation, penetration testing, or red team operations.
You have strong analytical skills with the ability to interpret complex data, translate insights into actionable strategies, and write SQL queries.
You have excellent communication skills, with the ability to convey complex concepts clearly and concisely.
You are effective team player who thrives in collaborative, cross-functional environments.
Previous experience in the space of safety, fraud, or banking investigations is advantageous.
Apply now and join us to make cities for people, not cars.
Become part of our Business Operations team
Why you’ll love it here:
Play a direct role in shaping the future of mobility.
Impact millions of customers and partners in 600+ cities across 50+ countries.
Work in fast-moving autonomous teams with some of the smartest people in the world.
Accelerate your professional growth with unique career opportunities.
Get a rewarding salary and stock option package that lets you focus on doing your best work.
Enjoy the flexibility of working in a hybrid mode with a minimum of 2 days in the office each week to foster strong connections and teamwork.
Take care of your physical and mental health with our wellness perks.
*Some perks may differ depending on your location.About us
We believe in creating an inclusive environment where everyone is welcome, regardless of race, colour, religion, gender identity, sexual orientation, age, or disability.Our ultimate goal is to make cities for people, not cars, and we need your help to achieve this mission!
