Senior Software Engineer

AlignityX
McLean, Virginia, United StatesFull-timePosted Sep 16, 2026

About the role

Senior Software Engineer — Confidential Client

Our client is a fast-growing enterprise software company known for its culture of innovation and technical excellence. They're looking for a Mid to Senior level Software Engineer to join a specialized performance engineering team, tackling some of the organization's toughest technical challenges alongside a team of skilled engineers.

What You Bring:

4+ years of experience building and delivering software applications.

Strong working knowledge of the JVM, including garbage collection tuning and heap dump analysis, along with solid Java fundamentals and experience with application server technologies (e.g., Tomcat, Spring).

Comfort working with relational databases and diagnosing performance issues at the data layer.

Solid grasp of Linux systems fundamentals, including threading and context switching.

Proficiency in Java and Python, or comparable interpreted languages; familiarity with C/C++ is a plus.

A genuine interest in performance engineering, with a track record of building tools to diagnose and resolve complex system bottlenecks.

Hands-on experience with CI/CD pipelines and test automation, using tools such as GitLab, Jenkins, Docker, and Kubernetes.

Experience with observability and monitoring tooling, including tracing and load-testing frameworks like Locust.

Comfort operating in high-pressure production environments, including debugging live issues and participating in rapid-response efforts.

An appetite for solving hard problems in large-scale, real-time, distributed systems.

A B.S. in Computer Science or equivalent hands-on experience.

The Role:

Design clean, effective solutions to complex technical problems that sit at the intersection of engineering and IT infrastructure, working within a small, agile team.

Work with a modern observability stack, including Prometheus, OpenTelemetry, Loki, Grafana, Elasticsearch, and Kubernetes, to keep the platform performant and ensure customer applications run smoothly at scale.

Partner with customers to investigate and resolve performance issues.

Build internal tooling purpose-built for diagnosing and solving performance problems.

Develop frameworks, libraries, and infrastructure that enable automated performance testing.

Respond to and resolve production issues as they arise, and build lasting automation to prevent them from recurring.

Experience:

4+ years of relevant, hands-on software development experience.

Education:

B.S. in Computer Science or a related technical field.

Responsibilities

  • Design clean, effective solutions to complex technical problems.
  • Work with a modern observability stack to ensure customer applications run smoothly.
  • Partner with customers to investigate and resolve performance issues.
  • Build internal tooling for diagnosing and solving performance problems.
  • Develop frameworks and infrastructure for automated performance testing.
  • Respond to and resolve production issues.

Qualifications

  • 4+ years of experience building and delivering software applications.
  • Strong knowledge of the JVM and Java fundamentals.
  • Experience with relational databases and performance issue diagnosis.
  • Solid grasp of Linux systems fundamentals.
  • Proficiency in Java and Python; familiarity with C/C++ is a plus.
  • Hands-on experience with CI/CD pipelines and test automation.
  • Experience with observability and monitoring tooling.

Skills mentioned

JavaPythonPerformance OptimizationSQLLinuxCI/CDDockerKubernetesPrometheusOpenTelemetry

About AlignityX

For organizations navigating executive hiring during growth, transformation, or transition, AlignityX is the search partner that was built from the inside out. Our founders spent 20+ years leading talent acquisition at Fortune 500 companies like Hilton, General Mills, Microsoft, and Mondelez. We sat in the seat our clients sit in. We managed the searches, hired the agencies, and saw firsthand where the industry falls short. AlignityX exists because we knew executive search could be done better, with more depth, more honesty, and more care for the people on both sides of the table. We align leadership with culture and strategy before a single outreach call is made. We find the x factor that separates "qualified" from "right." And we stay involved through the first 90 days of integration because the relationship does not end when the offer is signed. The AlignityX Promise We will be honest with you, even when it is uncomfortable. We will treat your candidates the way we would want to be treated. We will do the alignment work before we start the search and stay involved long after the offer is signed. We will move with urgency without sacrificing depth. And if we are not the right firm for this engagement, we will tell you that too. We earn the relationship. Every time.

Staffing and Recruiting11-50 employeesMinneapolis, MN