Senior Software
Engineer, Activate Core
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New York
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$
140,000 Per Year
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Permanent
Reference: 43780
Business Sector: Software Engineering
Description
*This position requires 4 days onsite in NYC*
This role is perfect for an engineer who loves elevating engineering standards and building systems that make teams faster, safer, and more effective. You’ll be the driving force behind improving release reliability, strengthening automated testing, and building the tooling that enables high-confidence deployments. If you enjoy digging into complex technical challenges, refining CI/CD pipelines, defining meaningful SLOs, and building a culture of quality across engineering, this role gives you the opportunity to own those initiatives end-to-end. Your work will directly improve the stability of our products and the efficiency of our developmental lifecycle.
Job Title: Sr. Software Engineer
Work Location: 4 days onsite, Manhattan NYC
Direct Hire: Salaried position $140k-$170k
Job Responsibilities:
In this role, you’ll lead efforts that directly improve the performance and stability of our core products.
- Improve system reliability by reducing time-to-detect and time-to-resolve for production issues
- Build and maintain automated end-to-end, regression, and performance tests that enable confident, repeatable releases
- Partner closely with QA to strengthen quality ownership across the engineering organization
- Introduce and maintain contract testing to ensure smooth communication between services and internal dependencies
- Define performance benchmarks and Service Level Objectives (SLOs) for critical user paths
- Coordinate and refine the release process for core applications, driving continuous improvement as the SDLC evolves
Job Requirements:
- Deep experience developing and maintaining complex applications using TypeScript and modern JavaScript frameworks (such as React or React Native)
- Hands-on expertise with automation frameworks like Cypress, Selenium, or Playwright
- Strong understanding of CI/CD concepts with experience using platforms like GitHub Actions, GitLab, CircleCI, or Jenkins
- Solid grounding in unit, integration, end-to-end, and regression testing methodologies
- Experience with observability tools (e.g., Datadog) including instrumentation, custom metrics, and SLO creation
- A strong history of collaboration with QA and engineering teams, with a passion for building quality into the development process from the start
- Ability to break down complex systems, diagnose bottlenecks, and build scalable solutions
- A data-informed approach to engineering and a habit of using metrics to drive improvements
- Curiosity and enthusiasm for exploring modern, AI-enhanced development workflows and emerging tooling
The salary for this role ranges from $140,000 to $170,000 and will be determined based on factors such as your experience, skill set, interview performance, level alignment, and location.
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