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Signify Technology Logo Signify Technology · IT - Software Development

Senior Software Engineer - Applications

United States 60.00 - 80.00 USD / Hour · Job Posted April 23, 2026
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Job Description

We’re seeking an experienced Senior Software Engineer with strong backend development experience to design, build, and scale reliable messaging and integration systems that power communication workflows across healthcare platforms. The ideal candidate has deep experience building backend services, APIs, and distributed systems, and brings a strong sense of technical ownership, system reliability, and continuous improvement. Experience working with healthcare integrations, messaging infrastructure, and data-driven decision making is highly valued. You will collaborate closely with engineering, product, customer success, and data teams to deliver scalable applications workflows that improve patient engagement and operational outcomes.

Job Responsibility

  • Design, build, and maintain scalable backend services using Ruby on Rails, JavaScript, and relational databases, supporting high-volume messaging workflows, APIs, and system integrations
  • Develop and optimize messaging pipelines that support SMS, voice, and automated communication workflows, ensuring reliable delivery, consent management, scheduling, and orchestration of communications
  • Build and maintain secure API-to-API integrations that connect messaging platforms with external systems and services, ensuring reliable data exchange and workflow automation
  • Collaborate with engineering teams to design and evolve scalable messaging infrastructure, contributing to architectural decisions related to delivery optimization, system performance, and event-driven communication workflows
  • Leverage advanced SQL and analytical thinking to investigate system behavior, troubleshoot production issues, analyze delivery performance, and inform technical decisions with data
  • Partner closely with Product, Customer Success, Data, and Engineering teams to gather requirements, contribute to technical documentation, clarify workflows, and design messaging features that support business and user needs
  • Provide technical mentorship through code reviews, design discussions, and collaborative development, helping guide engineering best practices and supporting the growth of other engineers on the team
  • Write and maintain automated tests alongside production code, ensuring backend services are secure, reliable, and production-ready
  • Create clear technical documentation and internal enablement resources that help teams monitor, troubleshoot, and support messaging systems in production
  • Participate in on-call rotations and incident response, supporting messaging infrastructure to maintain high availability and performance
  • Actively contribute to engineering culture through technical reviews, retrospectives, architecture discussions, and technical debt management, helping evolve platform capabilities as the system scales

Requirements

  • Minimum 5 years of hands-on software engineering experience, with strong proficiency in Ruby on Rails and JavaScript
  • Minimum 5 years of experience building and scaling backend systems, APIs, and services
  • Strong understanding of software development lifecycle, design patterns, object-oriented programming, and engineering best practices
  • Advanced SQL proficiency with the ability to analyze large datasets to troubleshoot issues and inform technical decisions
  • Experience designing and supporting high-throughput backend systems and distributed architectures
  • Experience working in environments where automated testing is a core development practice
  • Demonstrated ability to independently own complex features end-to-end, from technical design through production support
  • Strong collaboration skills across technical and non-technical stakeholders
  • Excellent written and verbal communication skills in a fully remote environment
  • Growth-oriented mindset with strong attention to system reliability, scalability, and engineering quality

Nice to have

  • Experience designing event-driven systems, message queues, or high-throughput delivery pipelines
  • Experience with Ruby on Rails, JavaScript (React), PostgreSQL, and cloud platforms
  • Experience working with healthcare technology platforms or healthcare data integrations
  • Experience contributing to API design improvements, messaging delivery optimization, or automated testing strategies
  • Familiarity with messaging compliance requirements such as TCPA, consent management workflows, opt-out handling, or A2P messaging frameworks
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