Software Engineer - L4

Bolt is on a mission to democratize commerce. We relentlessly prioritize our retailers—putting their brands front and center while enabling frictionless shopping at any touchpoint in the shopper journey. At the center of it all is our rapidly growing universal shopper network—Bolt merchants such as Lucky, Revolve, and FansEdge (Fanatics) can access tens of millions of shoppers, offering them a best-in-class checkout.

And revolutionizing ecommerce is only half of the equation—we’re also transforming the way we work. At Bolt, we have created a work environment where people learn to drive impact, take risks, make big bets, and grow from feedback, all while feeling welcomed and accepted for who they are. Come join us on the adventure today!

Please note, this is a contract-to-hire opportunity with the option to convert to full-time after 3–6 months.

Key Responsibilities:

• Full-Stack Development: Design, develop, and maintain backend services in Go and frontend applications in TypeScript.
• Scalability & Performance: Optimize our PostgreSQL, BigQuery, and Elasticsearch databases for high availability and performance.
• Technical Leadership: Lead incident investigations and on-call rotations, ensuring system reliability and performance.
• Merchant Collaboration: Communicate directly with merchants to understand their needs, troubleshoot issues, and propose scalable solutions.
• Security & Fraud Prevention: Implement and maintain fraud detection tools, card tokenization, blocklisting, and compliance with card network standards.
• API Development: Build and maintain REST APIs and webhooks to integrate with external commerce platforms such as Magento 2, Big Commerce, Salesforce Demandware
• Observability: Use Datadog for logging, monitoring, and tracing across the system to ensure update and management of alerts
• Automation & Pattern Recognition: Identify inefficiencies, automate workflows, and develop proactive monitoring solutions.

Requirements

Must Have:

• 4+ years of experience with AWS, GCP, or similar cloud infrastructure provider
• Experience with testing frameworks such as Jest, Mocha for frontend, and Ginkgo
• Strong knowledge of one of Python, TypeScript, GoLang, Java, or similar languages
• Knowledge of database development like Postgres, DynamoDB, and BigQuery
• Comfortable thinking about infrastructure as code
• Experience with Terraform or similar tools is a plus

Nice to Have:

• Familiarity with Kubernetes and cloud platforms (AWS, GCP, or Azure).
• Experience with event-driven architecture and message queues (Kafka, RabbitMQ, etc.).
• Development experience with commerce platforms such as Magento 2, Big Commerce, SFCC Demandware, etc.
• Experience with developer experience tooling such as Scalar, Redoc
• Knowledge of compliance and security best practices in fintech.

Please note, this is a contract-to-hire opportunity with the option to convert to full-time after 3–6 months.