Back-End Software Engineer II

Job ID: 200034974Posted: 2026-07-31Location: United States, Washington, RedmondSalary: USD $102,100 - $202,200 per yearEmployment type: Full-TimeWork site: 3 days / week in-officeRole type: Individual ContributorTravel: Less than 25%Profession: Software EngineeringDiscipline: Software EngineeringCompany: MicrosoftOverviewMake a difference protecting government assets! The Machine Learning Engine team leverages various Machine Learning technologies to analyze payloads at scale and near real time.As a (back-end) Software Engineer II on the MLE team, you will be responsible for making changes to ensure we have a scalable, reliable, and performant service. This opportunity will allow you to demonstrate a habit of writing testable C# code and unit tests featuring the MOQ mocking framework, refactoring to well-known OOP design patterns. This team relies heavily on CosmosDB NoSQL document stores. This role will involve adding automation, alerting, and monitoring to ensure the health of our service while working with others on the team to drive meaningful improvements to availability and latency of our services. You will also be responsible for curating deployment processes and Azure Resource Manager (ARM) template scripts. ARM templates will take up a sizeable percentage of your time.Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of psychological safety where everyone can thrive at work.ResponsibilitiesLeverage TDD and mocking to speed up our engineering OODA loop, and use telemetry and monitoring to speed up our customer pain points OODA loop.Architects and Implements software systems to solve a variety of problems.Works with appropriate stakeholders to determine user requirements for a set of features.Contributes to the identification of dependencies, and the development of design documents for a product area with little oversight.Creates and implements code for a product, service, or feature, reusing code as applicable.Contributes to efforts to break down larger work items into smaller work items and provides estimation.Acts as a Designated Responsible Individual (DRI) working on-call to monitor system/product feature/service for degradation, downtime, or interruptions and gains approval to restore system/product/service for simple problems.Curates deployment processes and scripts.Remains current in skills by investing time and effort into staying abreast of current developments that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale.Embody our culture and values.QualificationsRequired/minimum QualificationsBachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Other Requirements: Citizenship & Citizenship Verification: This role will require access to information that is controlled for export under export control regulations, potentially under the U.S. International Traffic in Arms Regulations or Export Administration Regulations, the EU Dual Use Regulation, and/or other export control regulations.  As a condition of employment, the successful candidate will be required to provide either proof of their country of citizenship or proof of their U.S. permanent residency or other protected status (e.g., under 8 U.S.C. 1324b(a)(3)) for assessment of eligibility to access the export-controlled information. To meet this legal requirement, and as a condition of employment, the successful candidate’s citizenship will be verified with a valid passport. Lawful permanent residents, refugees, and asylees may verify status using other documents, where applicableCitizenship & Citizenship Verification: This position requires verification of citizenship due to citizenship-based legal restrictions. Specifically, this position supports United States federal, state, and/or local government agency customers and is subject to certain citizenship-based restrictions where required or permitted by applicable law. To meet this legal requirement, and as a condition of employment, the successful candidate’s US citizenship will be verified with a valid passport.Preferred Qualifications:2+ years of experience with a mocking framework.2+ years experience with a NoSQL data store.2+ years of experience supporting a live service. Relevant experience can include being an on call engineer, working on deployment infrastructure, or managing livesite processes and procedures for a team.2+ years working on service maturity and fundamentals. Relevant experience can include working on applying security best practices, working on reducing the cost of running a service, or working to apply industry best practices to an existing service.2+ years working on measuring the reliability of an existing service and making direct technical contributions that resulted in the improvement of the availability of the service.High level of expertise in system design, distributed computing, and performance optimization.Experience working on projects to improve the quality of large scale services and experience working with a mocking framework.Experience working on projects to improve the quality of large scale services.Master's Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, OR Java, OR Bachelor's Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, OR Java, OR equivalent experience.#MachineLearning #Government #BackEndDev #CSharp #TDDSoftware Engineering IC3 - The typical base pay range for this role across the U.S. is USD $102,100 - $202,200 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $133,800 - $219,200 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.