Note: The job is a remote job and is open to candidates in USA. MarketTime is hiring a Senior Backend Engineer to design, build, and evolve its ecommerce platform. The role focuses on secure, scalable Java/Spring services and APIs, technical architecture, production operations, and mentoring engineers.
Responsibilities
- Design, develop, deploy, and maintain Spring Boot services powering our SaaS ecommerce platform
- Design secure, scalable, and highly available solutions that meet PCI DSS and other security requirements
- Design and build REST APIs that are intuitive, backwards-compatible, secure, and performant
- Collaborate with Product, QA, and other engineers throughout the software development lifecycle
- Design and optimize relational database schemas, queries, and data access patterns using MySQL
- Participate in architectural discussions and help drive technical decisions across the platform
- Write clean, maintainable, and idiomatic Java using modern language features and engineering best practices
- Champion engineering best practices including code reviews, automated testing, CI/CD, observability, and documentation
- Use AI-assisted development tools (e.g., Claude Code, Cursor, GitHub Copilot) to accelerate delivery, while owning the correctness, security, and maintainability of everything you ship
- Take ownership of features from design through production, including monitoring and operational support
- Work in small, incremental pull requests with a strong emphasis on code reviews, automated testing, and continuous delivery
- Help evolve our architecture by challenging assumptions and continuously improving how we build software
- Mentor and support engineers through technical leadership, design reviews, and pair programming
- Troubleshoot production issues and participate in an on-call rotation as needed
Skills
- Operated as a senior engineer or technical lead on Java backend applications
- Strong expertise with Spring Boot 3+ and the broader Spring ecosystem
- Strong proficiency with modern Java, with new development targeting Java 25
- Ability to write clean, idiomatic Java using modern language features such as streams, lambda expressions, Optional, records, and pattern matching
- Experience with Hibernate/JPA or jOOQ
- Hands-on experience building and operating production workloads on AWS
- Proven ability to design and build RESTful APIs
- Strong SQL skills with MySQL or PostgreSQL
- Working knowledge of asynchronous messaging systems (SQS, RabbitMQ, ActiveMQ)
- Experience building and deploying containerized applications
- Experience with GitHub Actions or other modern CI/CD platforms
- Hands-on experience using AI coding tools in professional work, with sound judgment about when to trust, verify, or discard their output, and a clear understanding of what data must never be shared with them
- Solid understanding of software design principles and distributed systems
- Excellent communication, collaboration, and problem-solving skills
- A track record of mentoring engineers and leading technical initiatives
- Self-motivated and effective working in a remote-first environment
- Experience building and operating multi-tenant SaaS applications
- Familiarity with Infrastructure as Code using Terraform and GitOps practices
- Hands-on experience deploying and operating AWS services including VPCs, ALBs, EC2, ECS, SQS, and S3
- Working knowledge of React or Angular
- Understanding of payment processing systems, PCI DSS, and security best practices
- Background in ecommerce, fintech, or payment processing
- Familiarity with API security concepts including OAuth 2.0, JWT, authentication, authorization, and rate limiting
- Experience with test-driven development (TDD) and modern testing frameworks
- Experience establishing team practices for AI-assisted development (e.g., shared context and conventions files, review standards for AI-generated code, guardrails for sensitive data)
- Exposure to C#/.NET is a plus
Benefits
- Remote position; fully distributed engineering team
Company Overview