Development Tester

• Development Tester
• Englewood, CO

• Type:

• Contract

• Category:

• Quality Assurance (QA)

• Industry:

• Communications

• Reference ID:

• JN -042026-106482

• Date Posted:

• 04/20/2026

• Shortcut:

• http://careers.eliassen.com/9vNHee + Description + Recommended Jobs

• Description:

• _Hybrid 4 days onsite, 1 remote.

in Englewood, CO_ Our client seeks a Development Tester to expand automated test coverage for backend microservices supporting advanced in-home Wi-Fi routers. The role focuses on

REST API

testing, Java-based automation with JUnit and Spring Boot, and end-to-end validation across complex microservice ecosystems. The engineer will collaborate with the team, perform targeted manual testing for system familiarity, and troubleshoot defects across services and integrations. _Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance._

Rate:

$55.00 to $65.00/hr. w2 \#LI-JS1

• Responsibilities:

• + Design, implement, and maintain automated backend tests for REST APIs using Java and JUnit.

+ Execute end-to-end testing across microservices, including message-driven and asynchronous workflows. + Conduct manual testing to validate scenarios, reproduce issues, and build domain understanding. + Troubleshoot and debug defects across services, integrations, and data layers. + Create clear test documentation, including test plans, cases, and results. + Use tools such as Postman or Insomnia and command-line utilities like curl or HTTPie for API validation. + Collaborate with engineering and QA to improve coverage, reliability, and CI/CD quality gates. + Leverage Kubernetes and AWS environments for test execution and environment validation.

• Experience Requirements:

• + Strong understanding of REST concepts and API testing.

+ Strong Java and JUnit automation skills. + Knowledge of core programming concepts including serialization, mapping, collections, and asynchronous programming. + Experience with complex microservice end-to-end testing. + Defect troubleshooting and debugging experience. + Strong test documentation and technical writing skills. + Strong written and verbal communication skills. + Experience with Java and Spring Boot. + Experience with AWS and Kubernetes. + Understanding of frontend development or testing with React and Redux. + Proficiency with Postman or Insomnia and curl or HTTPie. + Experience with Kafka or message-driven testing such as RabbitMQ or Spark. + Command line-oriented testing on Unix or Mac. + NoSQL database testing with DocumentDB or MongoDB. + Experience with CI/CD toolkits and pipelines such as GitLab or Harness. + Experience with TestRail for test documentation. + Experience with JIRA and Agile methodology. + Front-end testing with React and Redux (preferred). + Docker exposure (preferred). + Logging services such as Splunk or Datadog (preferred). + Swagger exposure (preferred). + Oxygen framework exposure (preferred).

• _Recruitment Transparency Notice_
• _Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening_
• _and hiring_
• _process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team (_
• _noreply@eliassen.com_
• _, 781-808-2924) inviting you to complete a brief voice screening as part of your application process.

These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group's use of these tools, including AI tools, as part of the application and hiring process._

• _Skills, experience, and other compensable factors will be considered when determining pay rate.

The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range._ _W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality._ _If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:_ _

• When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc._ _
• Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

_ _If you have any indication of fraudulent activity, please contact_ _fraud@eliassen.com_ _._ _

About Eliassen Group:

_ _Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients' capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve._ _Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws._ _Don't miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!_