Senior Fullstack Engineer

Senior Fullstack Engineer

YASSI · Chicago, United States (Hybrid) · Full-time · Posted 2026-10-19

Workplace: hybrid

Department: Software

Description

We're looking for a Senior Fullstack Engineer to join our engineering team and help shape the technical direction of our full-stack vehicle data platform. In this role, you'll work across the entire stack — from high-throughput data ingestion and API design to the web interfaces our customers rely on every day. You'll serve as a technical anchor for cross-functional teams, mentor senior engineers, and drive decisions that affect how we scale, integrate, and deliver vehicle data at a massive scale.

WHAT YOU'LL DO

• Architect and deliver full-stack features across backend services, APIs, and frontend applications that power our vehicle data platform.
• Design and own scalable, high-availability systems for ingesting, processing, and serving large volumes of automotive data.
• Define engineering standards, patterns, and best practices adopted across multiple squads.
• Partner with Product to translate complex vehicle data requirements into elegant technical solutions.
• Lead technical design reviews, provide actionable code and architecture feedback, and raise the bar for engineering quality.
• Identify and resolve systemic performance, reliability, and scalability bottlenecks across the stack.
• Mentor and develop senior and mid-level engineers through coaching, pairing, and knowledge sharing.
• Collaborate with platform and infrastructure teams to evolve our cloud-native architecture.
• Contribute to hiring by conducting technical interviews and helping define engineering leveling criteria.

Requirements

• 8+ years of software engineering experience
• Deep expertise in full-stack development — strong backend fundamentals (Python, Go, Node.js, or Java) paired with modern frontend skills (React, TypeScript).
• Proven track record designing distributed systems, data pipelines, or high-throughput APIs at scale.
• Experience with cloud platforms (AWS, GCP, or Azure) and containerized, microservices-based architectures.
• Strong grasp of relational and NoSQL databases; experience with time-series or graph data is a plus.
• Excellent communication skills — able to articulate complex trade-offs to both technical and non-technical audiences.
• Experience in the automotive, telematics, fleet, or mobility industry is a strong plus.
• Demonstrated ability to influence technical direction without direct authority.

NICE TO HAVE

• Experience working with AI as part of software development process.
• Background in building data marketplace or B2B data-as-a-service platforms.
• Contributions to open-source projects or published technical writing.

Benefits

•     Health/dental/vision insurance

•     401(k)

•     Equity/stock options

•     Flexible PTO

•     Hybrid work

Apply

Apply at YASSI

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