Senior Software Developer, Backend

Title: Senior Software Developer – Backend

Employment Status: Salaried, Exempt

Location: San Antonio, TX (Onsite)

Schedule: Monday – Friday, 8:00 AM – 5:00 PM with 1 day per week remote

Base Salary Range: $110,000 – $140,000

Position Overview

A high-growth, technology-driven organization is seeking a Senior Software Developer – Backend to join a collaborative engineering team building scalable, cloud-native applications that support enterprise-level operations. This role will play a key part in designing, developing, and optimizing backend systems that power high-volume, transaction-heavy platforms.

The ideal candidate is a strong backend engineer with experience building and scaling large applications, improving system performance, and solving complex technical challenges. This is not a maintenance-focused role—this position is centered on building new features, optimizing existing systems, and driving efficiency across a rapidly evolving platform.

Key Responsibilities

· Design, develop, and maintain scalable backend services and APIs supporting high-volume applications

· Architect and implement integrations with internal and external systems (ERP, payment platforms, third-party services)

· Model complex business domains and optimize database performance for scalability and efficiency

· Build and support event-driven and message-based architectures to improve system reliability and performance

· Collaborate with cross-functional teams including product, engineering, and business stakeholders to deliver impactful features

· Troubleshoot production issues, identify root causes, and implement performance improvements

· Write clean, maintainable, and testable code while adhering to engineering best practices

· Contribute to technical design discussions, system architecture decisions, and mentorship of team members

· Continuously identify opportunities to improve system efficiency, reduce latency, and eliminate technical debt

Qualifications & Skills

·5+ years of experience building backend systems in production environments

· Strong programming fundamentals in modern languages such as C#, .NET, Java, Python, or similar

· Experience designing and building RESTful APIs

· Solid understanding of relational databases, query optimization, and data modeling

· Experience working with distributed systems including message queues, caching strategies, and service-based architectures

· Familiarity with cloud platforms such as Azure, AWS, or GCP

· Proven ability to build, scale, and optimize high-performance applications

Preferred Qualifications

· Experience with search technologies such as Elasticsearch or similar platforms

· Exposure to AI/ML-powered search, vector databases, or semantic search concepts

· Experience designing fault-tolerant systems (retry logic, circuit breakers, graceful degradation)

· Background in enterprise or B2B SaaS environments

· Experience supporting globally distributed systems and multi-region deployments

· Experience integrating with ERP platforms (e.g., NetSuite, SAP)

· Familiarity with real-time systems (WebSockets, SignalR, etc.)

· Experience with observability tools including logging, monitoring, and distributed tracing

Work Environment

· Collaborative, fast-paced engineering environment with a strong focus on innovation and scalability

· Agile development methodology with frequent releases and feature enhancements

· High-visibility role with direct impact on system performance and business operations

What Success Looks Like

· Builds and delivers scalable backend systems that support high transaction volumes

· Improves system performance, efficiency, and reliability through thoughtful engineering

· Contributes to a high-performing engineering team through collaboration and mentorship

· Successfully delivers new features and enhancements that drive business impact

Benefits

• Competitive compensation and performance incentives
• Medical, dental, and vision insurance
• Retirement savings plan with employer contribution
• Paid time off and holidays
• Professional development and growth opportunities
• Short term and long term disability insurance eligibility.