Remote Mid Level Software Engineer Jobs in Reston, VA

Senior Full Stack Software Engineer (Technical Lead)

Job Number: 857

This is a remote position.

Ad Hoc is a technology company that empowers organizations to deliver scalable, impactful digital services. Using modern, agile methods, our team creates products that meet people’s needs and transform their experience of government.

Work on things that matter

Our collaborations have shaped some of the defining moments in public-sector service delivery. We’ve helped build products that connect Veterans to tailored services, help millions access affordable health care, and support important programs like Head Start. As we work with agencies to deliver critical services, we’re also changing how the government approaches technology.

Built for a remote life

Our culture, communications, and tools are built for remote work, enabling us to bring together top talent nationwide. At Ad Hoc, remote life empowers our teams to design work environments that fit their lives and foster flexibility and collaboration to achieve positive outcomes for our customers.

Committed to high expectations and a welcoming culture

Ad Hoc values acceptance, accountability, and humility. We aren’t heroes. We learn from our mistakes and improve the process for the next time. We build small, inclusive teams to collaborate closely with our partners to solve the right problems and deliver software that works.

The Federal Civilian business unit supports many customers spanning the federal, commercial, and nonprofit space. Our customers include NASA, the General Services Administration, Office of Personnel Management, the Library of Congress, Health & Human Services, and the FDIC. We partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact.

Primary Responsibilities

The Senior Full Stack Software Engineer (Technical Lead) serves as a senior technical contributor and engineering leader within a cross-functional delivery team. This role combines hands-on software development with technical leadership, mentorship, architecture guidance, and delivery support. You will help shape engineering direction, drive technical excellence, and support the growth of fellow engineers while partnering closely with product, design, and federal stakeholders to deliver mission-critical solutions.

With minimal oversight, you will help guide technical decisions, support delivery execution, and influence the long-term engineering strategy of the program. You will serve as a trusted technical leader who promotes engineering best practices, removes delivery obstacles, and helps ensure high-quality outcomes across the team.

Primary expectations include:

• Lead the design, development, and deployment of complex frontend and backend solutions within a cloud-native microservice architecture.

• Provide technical leadership across engineering initiatives, helping teams break down work, identify risks, evaluate tradeoffs, and deliver against program goals and timelines.

• Facilitate technical design discussions, author Architecture Decision Records (ADRs), and present system designs and recommendations to engineers, product owners, and federal stakeholders.

• Serve as a mentor and coach for junior and mid-level engineers through code reviews, pair programming, technical guidance, and knowledge-sharing activities.

• Establish and reinforce engineering best practices, including peer code reviews, testing standards, accessibility requirements, security compliance, and maintainable software design.

• Build and consume RESTful APIs using versioned OpenAPI specifications while contributing to backend services, frontend applications, and system integrations.

• Enforce engineering quality standards, including SonarQube quality gate compliance, automated testing, and remediation of security findings within development cycles.

• Partner closely with product managers, designers, delivery leads, and stakeholders to align technical solutions with customer and business objectives.

• Drive continuous improvement initiatives across software engineering processes, tooling, CI/CD pipelines, infrastructure automation, and team workflows.

• Diagnose and resolve complex production issues while leading root-cause analysis efforts and implementing long-term improvements to reliability and performance.

• Contribute to infrastructure-as-code standards, Terraform automation, GitLab pipeline optimization, and cloud modernization efforts.

• Support technical hiring activities through interviews, candidate assessments, onboarding, and engineering team development.

• Act as a technical lead for project workstreams, feature teams, or temporary delivery teams, coordinating engineering efforts and helping ensure successful delivery outcomes.

Basic Qualifications

• 7+ years of relevant software engineering experience and a Bachelor's degree, or equivalent additional experience in lieu of a degree.

• Must meet federal suitability requirements and pass a background investigation as a condition of employment.

• Strong experience building and supporting modern full stack applications, including frontend and backend development responsibilities.

• Expert-level proficiency in backend technologies such as Python or Java.

• Strong frontend development experience with Angular, JavaScript, TypeScript, HTML, and CSS.

• Experience building and consuming versioned RESTful APIs with published OpenAPI specifications.

• Strong working knowledge of PostgreSQL, Elasticsearch, and modern data integration patterns.

• Hands-on experience with containerized microservices and AWS cloud services, including ECS, RDS, S3, Lambda, and CloudWatch.

• Experience with CI/CD pipelines using GitLab and source control management using Git.

• Working knowledge of WCAG 2.1 AA accessibility standards and their application within digital products.

• Strong written and verbal communication skills, including the ability to explain technical concepts and decisions to non-technical audiences and federal stakeholders.

Preferred Qualifications

• Prior experience supporting federal civilian agencies or government digital services programs.

• Experience with infrastructure-as-code using Terraform.

• Familiarity with event-driven architectures utilizing AWS SNS, SQS, Lambda, and Step Functions.

• Experience with consumer-driven contract testing, API governance, or distributed microservice architectures.

• Exposure to SAFe or scaled Agile delivery frameworks, including PI Planning and ART coordination.

• Experience integrating with platforms such as Login.gov, Pay.gov, identity providers, or authentication services.

• Proven experience mentoring engineers and leading technical initiatives within cross-functional delivery teams.

To learn more about working at Ad Hoc, please visit:

https://adhocteam.us/join

Benefits

• Company-subsidized health, dental, and vision insurance

• Flexible PTO

• 401(k) with employer match

• Paid parental leave after one year of service

• Employee Assistance Program

Ad Hoc LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, sex, sexual orientation, gender identity or expression, religion, age, pregnancy, disability, work-related injury, covered veteran status, political ideology, marital status, or any other factor protected by law.

We value the unique skills gained through military service and encourage veterans and transitioning service members to apply.

In support of various state and city equal pay transparency laws, the starting salary range for this position is $120,000 - $145,000. Actual compensation is influenced by factors including experience, skills, certifications, education, and overall qualifications.