Swiftly, Inc.
Senior Software Engineer- Backend
Remote Backend Engineering role with clear candidate location fit.
PostedJul 4, 2026
Eligible countries1 accepted country
Seniority signalSenior
Work settingRemote
Accepted candidate locations
USA
Role overview
Senior Software Engineer- Backend
Requirements and responsibilities
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What You'll Do
- Design, evaluate, build, and maintain real-time algorithms and systems for vehicle tracking, map-matching, ETA predictions, and disruption detection.
- Contribute to Swiftly's real-time data pipelines, APIs, and cloud services that power customer-facing products.
- Build data infrastructure to support rigorous algorithm development, validating changes at scale before they reach production. This may include pipelines for capturing and replaying real-time data, offline evaluation frameworks, and shadow testing infrastructure.
- Collaborate with product managers, designers, and engineers to prototype solutions, validate approaches, and deliver incremental value.
- Break down complex problems into smaller, testable pieces to help the team move quickly and reliably.
- Share designs and technical decisions openly, weighing tradeoffs and documenting for alignment.
- Apply modern engineering practices to deliver robust, maintainable, and extensible code.
- Support and elevate teammates through code reviews, pairing, and knowledge sharing.
- Take ownership of your work and team outcomes, continuously reflecting and improving.
What Will Set You Up for Success
- 5+ years of software engineering experience, ideally with data-intensive or real-time systems.
- Experience with Java and cloud-native backend services (AWS preferred).
- You've taken algorithms from idea to implementation, delivering production-ready systems that drive real-world impact.
- Strong understanding of real-time data processing, such as streaming, event-driven, or predictive systems.
- Comfortable building and consuming APIs; proficient with SQL.
- Curiosity and excitement about applying predictive algorithms to solve real-world problems in transit.
- Growth mindset and adaptability in a fast-changing technical landscape.
- Collaborative, humble, and open to feedback; thrives in blameless, team-oriented environments.
- Bonus: experience with Apache Kafka, Python/JupyterHub, JavaScript/Vue.js, or AWS Step Functions.
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