384 Mid Level Qa Tester Web Applications jobs in Washington,DC

Mid-to-Senior Software Developer

SimVentions, Inc - Glassdoor✪ 4.6 - La Plata, MD

Securitas Technology

Ashburn, VA 20147

MUST HOLD a minimum of 3-5 years of experience installing and/or servicing intrusion, fire alarm, access control, and CCTV security systems.
High School Diploma or equivalent
A valid state driver's license, without restrictions, is required.
Climb ladders that extend up to 24 ft. in height
Carry items up to 75 pounds
Ability to work on-call on a rotational basis covering after hours & weekend emergency calls.

Maximus

Fort Meade, MD 20755

Active TS/SCI clearance is required.
Must be able to report on-site in Fort Meade, MD up to five days per week based on customer requirements.
Bachelor's degree in related field required.
A Master's degree may substitute for 2 years of experience.
7 years of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to DevSecOps, microservices and containers.
3 years of experience with bug tracking software (Jira).
3 years of experience testing web-based applications.
3 years of experience participating in software development programs or projects.
3 years of experience performing back-end web design and development.
3 years of experience with the following: AWS Infrastructure, Kubernetes, and RedHat Linux.
5 years of experience with Jenkins and GitLab.
5 years of experience with at least five (5) of the following: Postgres, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Kubernetes, Red Hat
Demonstrated experience with relational databases, RESTful API development and communication, and system integrations.
Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
Practical experience developing in a cloud environment.
Experience with integrating data from unclassified to classified application deployments.

Leidos

Gaithersburg, MD 20879

Bachelor's degree in computer science, Software Engineering, or related field with 4–8 years of experience; or Master's with 2–6 years
US Citizenship
Active TS/SCI with ability to successfully pass a Polygraph
Strong SQL skills, including the ability to write advanced queries (joins, aggregations, subqueries, window functions)
Experience working with enterprise relational databases (PostgreSQL, MySQL, Oracle, etc.)
Background supporting analytics, dashboards, or reporting pipelines
Comfortable working in Linux‑based environments
Proven ability to work independently on data‑centric tasks and ensure data quality

Maximus

Fort Meade, MD 20755

Active TS/SCI clearance is required.
Must be able to report on-site in Ft Meade, MD up to five days per week based on customer requirements.
Bachelor's degree in related field required.
A Master's degree may substitute for 2 years of experience.
7 years of experience in the functional area.
7 years of software development experience in object-oriented and scripted languages with the ability to apply several tool suites related to DevSecOps, microservices and containers.
3 years of experience with bug tracking software (Jira).
3 years of recent and relevant experience performing front-end web design and development.
3 years of experience testing web-based applications.
3 years of experience participating in software development programs or projects.
5 years of experience with Jenkins and GitLab.
5 years of experience with at least five (5) of the following:
Apache
Ember
JavaScript
Jaguar
Java
Cricket
Node
Demonstrated experience engaging in agile, user-centric application design, ensuring best-of-breed UI/UX standards.
Demonstrated experience in generating system wireframes, mockups, etc. considering multiple user personas.
Demonstrated experience in preparing, conducting, and documenting various systems tests and results to verify system operability and compliance with project standards and requirements.
Practical experience developing in a cloud environment.
Experience with integrating data from unclassified to classified application deployments.

Leidos

Gaithersburg, MD 20879

Bachelor's degree in Computer Science, Software Engineering, or a related field with 4–8 years of experience; or a Master's degree with 2–6 years of experience
US Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph
Professional experience developing object‑oriented applications in Java or Python
Hands‑on experience building and maintaining RESTful APIs
Basic to moderate experience with SQL capability, including writing queries and working with relational databases
Working knowledge of Linux‑based environments
Ability to work independently on defined tasks within established technical frameworks and deliver reliable results