Software Development Engineer in Test (SDET II)
TheIncLab
The Mission Starts Here
TheIncLab engineers and delivers intelligent digital applications and platforms that revolutionize how our customers and mission-critical teams achieve success.
We are where innovation meets purpose; and where your career can meet purpose as well. As a SDET II, you will be a mid-level role focused on designing, building, and maintaining automated test suites to ensure software accuracy, reliability, and performance. We encourage you to apply and take the first step in joining our dynamic and impactful company.
Your Mission, Should You Choose to Accept
As a Software Development Engineer in Test this position involves translating requirements into test scenarios, validating APIs and integrations, and embedding testing into CI/CD pipelines. Beyond execution, the role emphasizes improving automation coverage, and driving process improvements to deliver secure, high-quality releases.
What will you do?
Develop, execute, and maintain automated test suites for desktop, mobile, web, and cloud-based applications.
Translate user stories, acceptance criteria, and technical requirements into comprehensive manual and automated test scenarios.
Own assigned quality control domains and deliver with minimal oversight.
Conduct automated and manual functional, regression, integration, performance, and exploratory testing.
Design and maintain testing frameworks (e.g., Playwright, Jest) integrated with CI/CD pipelines.
Validate RESTful and GraphQL APIs, databases, and third-party integrations for accuracy and performance.
Document and track defects with clear reproduction steps; collaborate with developers for resolution.
Participate in test planning, backlog grooming, sprint planning, and retrospectives.
Drive improvements in quality control processes, coverage, and tooling.
Support release readiness by validating builds, environments, and deployment pipelines.
Mentor junior team members in SDET practices and automation.
Stay current with evolving QA tools and methodologies.
Identify gaps in automation coverage and propose improvements.
Adhere to company policies and maintain alignment with company culture
Requirements
Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
3–5 years of professional experience in software quality assurance.
3+ years of experience in at least one programming language (JavaScript/TypeScript/Python/Java or C#).
Proficiency with automated testing frameworks such as Playwright or React.
Strong experience in manual test design, execution, and exploratory testing.
Familiarity with CI/CD practices, version control systems (e.g., Git), and Agile methodologies.
Experience validating APIs and using tools like Postman.
Ability to troubleshoot, debug, and communicate issues clearly.
Strong collaboration and problem-solving skills with attention to detail.
Ability to travel up to 10% based on company and customer needs.
Preferred Qualifications
Experience with performance or load testing tools (e.g., JMeter, Locust, k6).
Exposure to cloud platforms (AWS, Azure) or containerized environments (Docker, Kubernetes).
Familiarity with DevSecOps principles and security testing practices.
Background in geospatial, mission-focused, or defense-related applications.
Benefits
At TheIncLab we recognize that innovation thrives when employees are provided with ample support and resources. Our benefits packages reflect that:
Hybrid and flexible work schedules
Professional development programs
Training and certification reimbursement
Extended and floating holiday schedule
·Paid time off and Paid volunteer time
Health and Wellness Benefits include options for Medical, Dental, and Vision insurance along with access to Wellness, Mental Health, and Employee Assistance Programs.
100% Company Paid Benefits that include STD, LTD, and Basic Life insurance.
401(k) Plan Options with employer matching
Incentive bonuses for eligible clearances, performance, and employee referrals.
A company culture that values your individual strengths, career goals, and contributions to the team.
About TheIncLab
Founded in 2015, TheIncLab (“TIL”) is the first human-centered artificial intelligence (AI+X) lab. We engineer complex, integrated solutions that combine cutting-edge AI technologies with emerging systems-of-systems to solve some of the most difficult challenges in the defense and aerospace industries. Our work spans diverse technological landscapes, from rapid ideation and prototyping to deployment.
At TIL, we foster a culture of relentless optimism. No problem is too hard, no project is too big, and no challenge is too complex to tackle. This is possible due to the positive attitude of our teams. We approach every problem with a “yes” attitude and focus on results. Our motto, “demo or die,” encompasses the idea that failure is not an option.
We do all of this with a work ethic rooted in kindness and professionalism. The positive attitude of our teams is only possible due to the support TIL provides to each individual.
At TIL, we believe that every challenge is an opportunity for growth and innovation. Our teams are encouraged to think outside the box and come up with creative solutions to complex problems. We understand that the path to success is not always straightforward, but we are committed to persevering and finding a way forward.
Our culture of relentless optimism is not just about having a positive attitude; it is about taking action and making things happen. We believe in the power of collaboration and teamwork, and we know that by working together, we can achieve great things. Our teams are made up of individuals who are passionate about their work and dedicated to making a difference.
Learn more about TheIncLab and our job opportunities at ( .
**Salary range guidance provided is not a guarantee of compensation. Offers of employment may be at a salary range that is outside of this range and will be based on qualifications, experience, and possible contractual requirements.
**This is a direct hire position, and we do not accept resumes from third-party recruiters or agencies.
$146.4k - $263.6k
...building, and scaling advanced automated test frameworks to validate the performance,... ...the Linux kernel and VM infrastructure software Debugging, isolating, and troubleshooting... ...Have experience in software validation/development in C with a solid focus on Linux kernel...SuggestedWork experience placement- ...Overview BRMi is seeking a Software Development Engineer in Test. As a member of this team your role will be a Software Development Engineer in Test (SDET) working in a Scrum environment, you will test software applications and features using test suites and scripts, perform...SuggestedTemporary workLocal areaVisa sponsorshipWork visa
- ...We are looking for strong SDET Engineers with hands‑on experience in Selenium or Playwright. Candidates... ...Develop and maintain automated test scripts Perform functional, regression,... ...Selenium or Playwright Understanding of software testing concepts Familiarity with AI automation...Suggested
$149.5k
...Software Development Engineer in Test (SDET) Full-time Ten Mile Square Technologies is a high-end technology consulting firm based in the Northern Virginia area. Our customers routinely call upon us to solve some of the largest scale and hardest problems in computer science...SuggestedFull timeContract workTemporary work- ...Site Reliability Engineer II Join the leader in providing smarter solutions for a safer... ...The SRE II sits at the intersection of software engineering and platform operations. You... ...). Experience with AI-assisted development tooling and an appetite to incorporate...SuggestedRemote work
$103.5k - $150k
...and Team The Site Reliability Engineering organization at Medallia... ...global SaaS platform. As an SRE II, you will help operate and improve... .... You will work closely with software engineering teams to build... ...Experience using AI-assisted development, automation, or operational...Temporary workWork experience placementLocal area3 days per week$97.69k - $127k
...that prioritizes people, invests in their development, and offers unparalleled opportunities... ...today and be more with Baker. Formwork Engineer II The Formwork Engineer II designs and... ...applicable state. Proficiency in Microsoft software programs such as Word, Excel, and...Temporary workFor contractors- Overview The Cybersecurity Engineer II provides comprehensive cybersecurity support for the Product Manager Biometrics (PM BIO), under Project Manager Terrestrial Sensors (PM TS), Portfolio Acquisition Executive (PAE) Layered Protection and Chemical, Biological, Radiological...Temporary workFlexible hours
- ...audiovisual, and IT systems. Sprinkler Engineer II Responsible for the design, analysis, and... ...supporting commissioning and acceptance testing, and coordinating with project teams,... ...experience preferred; hydraulic calculation software required. Strong written and verbal...Local area
- Overview Description : As the Software Engineer II, you will be responsible for engineering and developing... ...experience working in a software development lifecycle oriented work environment to... .... Develop, execute, and maintain unit tests and contribute to integration and...Work at officeFlexible hours
$106k - $169k
...governments realize their greatest potential. Title and Summary Software Engineer II - Backend/Platform Agentic AI Who is Mastercard?... ...streaming responses Own delivery end-to-end: design, development, testing, deployment, documentation, and production support Contribute...Full timePart timeWorldwideFlexible hours- Baker Construction in Arlington, VA is seeking a Formwork Engineer II to design and prepare formwork layouts, select forming materials and systems, and ensure safe, economical forming on our projects. You will produce shop drawings, perform load calculations, verify crane...
- Maintenance Engineer II, Tysons Corner Center - Full Time The Maintenance Engineer II maintains the physical structure and equipment of... ...and eight paid holidays. Continuous learning and leadership development. Merchandise discounts. Performance‑based incentives....Full timePart timeLocal areaFlexible hoursAfternoon shift
- Overview The Test Engineer II provides comprehensive test engineering support for the Product Manager Biometrics (PM BIO), under Project Manager... ...(DPAS) Experience sustaining and sunsetting hardware and software Experience within the DoW Biometrics community or...Temporary workFor contractorsRemote workFlexible hours
- ...SDET Position Location: McLean, VA (Onsite) Contract... ..., and integration testing across frontend and... ...stages Validate that software meets acceptance... ...Exposure to full software development lifecycle (SDLC)... ...talent across technology, engineering, business operations,...Contract work
- ...-end (E2E), functional, and integration testing across frontend and backend systems •... ...across all delivery stages • Validate that software meets acceptance criteria and business... ...skills • Exposure to full software development lifecycle (SDLC) Diverse Lynx LLC is...
$110k
...Position Title: Software Development Engineer in Test (SDET) Location: Rockville, MD (Hybrid 2 days a week on-site requirement) Salary: $110,000.00 + Position Summary We are seeking an engineering-focused Software Development Engineer in Test (SDET) to support...Temporary workLocal areaFlexible hours2 days per week- ...automation frameworks for UI and API testing using Java and TypeScript... ...issues. Partner with engineering teams to define quality standards... ...experience. 7+ years of software testing experience with 5+ years... ...Experience working in Agile development environments. Strong...
- ...Randstad is seeking an experienced SDET to join a dynamic client team in... ...in API automation and API development, ensuring robust testing of software applications in DevOps environments... ...Additional Skills : Software Development Engineer in Test This is a high PRIORITY...Work experience placement
- ...spanning cybersecurity, enterprise IT infrastructure, cloud, software development, data analytics, legal technology and eDiscovery,... ...environments. Evolver is seeking a Software Development Engineer in Test (SDET) to help design and develop the implementation of end-to...Permanent employmentFlexible hours
- Integral Federal, Inc. seeks a Test Engineer II in McLean, Virginia, to provide test engineering support for biometrics projects. This role involves logistics management, coordinating biometric device deployments, and maintaining vital inventory records. The ideal candidate...
- M.C. Dean, Inc. is seeking a Sprinkler Engineer II in McLean, Virginia. This role includes designing and analyzing fire sprinkler systems for complex projects, performing site surveys, and ensuring compliance with safety standards. Candidates should have a Bachelor’s in...
- ...Description Senior Lead Network Engineer II Employment Type: Full Time... ...and related hardware & software. The project's objectives are... ...and the associated systems testing, vulnerability assessments,... ...vendor(s) who will provide development services. CGS brings motivated...Full timeLocal areaMonday to FridayFlexible hours
- Aretum, Llc is seeking a Power Platform Developer II to collaborate with project teams to develop functional applications that meet client needs. You will leverage your expertise in Power Apps and Dynamics 365 to create effective solutions. This remote position involves...Remote job
- A leading technology firm is looking for a Software Engineer II in McLean, VA to develop and maintain software applications across various... ...related field and at least 3 years of experience in software development, with proficiency in TypeScript and React. This hybrid role...Flexible hours
- ...(SME) for the Intelligence and Security Command (INSCOM) G3’s Army Trojan Management Office (ATMO). The role involves providing Tier II customer service support to the US ARMY INSCOM customers and troubleshooting issues related to various network hardware including CISCO...Work at office
- ...are looking for a meticulous SDET to contribute to and review the... ...creation of designs forproduction software. The SDET's responsibilities include writing automated tests and focuses onthe testability,... ...have a passion for designing, development, and testing and the ability...
$115k - $120k
Amentum is a global leader in advanced engineering and innovative technology solutions, trusted... ...Description TNCC personnel provide Tier II customer service support to US ARMY INSCOM customers. Responsible for providing software support to CISCO routers and switches, Dell...Hourly payContract workFor contractorsCasual workWork at officeLocal areaShift workNight shiftWeekend work$110k - $160k
...build fast and iterate quickly. We are seeking an Engineer II – Propulsion to contribute to the development of propellant tanks, pumps, and novel spacecraft propulsion... ...propulsion, mechanical, systems, manufacturing, test, and flight operations teams to develop, qualify,...Permanent employment- ...ENGINEER II (NHTSA) Bowhead is seeking an Engineer II to support the... ...engineering. Demonstrate skill in development of analysis plans; research... ...databases and spreadsheet software, such as Microsoft Access... ...systems, vehicle full-scale crash testing, component level testing,...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Development Engineer in Test (SDET II). Be the first to apply!
- ultimate software McLean, VA
- software applications developer McLean, VA
- remote software sales McLean, VA
- senior c# .net software developer McLean, VA
- id software McLean, VA
- software McLean, VA
- entry level software sales McLean, VA
- internship software McLean, VA
- healthcare software sales McLean, VA
- software qa McLean, VA

