Software Engineer in Test (SDET)

Ascendion; Wilmington (DE); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) retirement plan

Long-term disability insurance

Short-term disability insurance

5 personal days

10–15 days paid vacation

6 paid holidays

1 floating holiday

Job summary

Ascendion is seeking a senior Java developer based in Wilmington, Delaware, who will focus on building secure, scalable, and innovative enterprise applications. The role blends strong Java engineering with modern cloud-native development and automation.

Key responsibilities include executing software solutions, developing high-quality production code, and leading technical evaluations. Candidates should have formal training in software engineering and experience with AWS and AI tools like Copilot.

The position offers an annual salary between $120,000 and $150,000, along with comprehensive benefits such as medical, dental, and vacation time.

Qualifications

• Hands-on experience in system design, development, testing, and operational stability.
• Deep understanding of the SDLC, resiliency, and security principles.
• Strong debugging skills to maintain engineering excellence.

Responsibilities

• Execute creative, high-impact software solutions.
• Develop secure, high-quality production code.
• Automate recurring issues to improve application stability.
• Lead technical evaluations with vendors and internal teams.
• Promote engineering best practices.

Skills

Java engineering

Cloud-native development

Automation

CI/CD practices

AWS (EC2, Lambda)

AI/ML exposure

Education

Formal training or certification in software engineering

Job description

About the Role

We’re seeking a senior Java developer for an onsite role, focused on building secure, scalable, and innovative enterprise applications. This position blends strong Java engineering with modern cloud‑native development, automation, and AI‑driven productivity.

Key Responsibilities

• Execute creative, high‑impact software solutions and break down complex technical challenges
• Develop secure, high‑quality production code; review and debug code to maintain engineering excellence
• Automate recurring issues to improve application stability and operational efficiency
• Lead technical evaluations with vendors, startups, and internal teams to assess architecture and solution fit
• Promote engineering best practices and foster communities of practice around emerging technologies

Required Skills & Experience

• Formal training or certification in software engineering
• Hands‑on experience in system design, development, testing, and operational stability
• Proficiency in automation and CI/CD practices
• Deep understanding of the SDLC, resiliency, and security principles
• Strong experience with AWS (EC2, Lambda)
• Demonstrated exposure to AI/ML, agentic AI, or intelligent cloud systems; ability to use AI tools like Copilot or Claude for productivity

Salary and Other Compensation

Annual salary for this position is between $120,000 and $150,000. Factors that may affect pay within this range may include geography/market, skills, education, experience, and other qualifications of the successful candidate.

Benefits

Benefits are subject to applicable eligibility requirements:

• Medical insurance
• Dental insurance
• Vision insurance
• 401(k) retirement plan
• Long‑term disability insurance
• Short‑term disability insurance
• 5 personal days accrued each calendar year
• 10–15 days of paid vacation time
• 6 paid holidays and 1 floating holiday per calendar year