Senior Software Engineer - Front End/Back End (Library of Congress)

Ad Hoc; United States; Remote; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health insurance

401K with employer match

Paid parental leave

Flexible PTO

Employee Assistance Program

Job summary

Ad Hoc is a technology company delivering digital services for government clients. We are seeking a Senior Software Engineer (Front End/Back End) to contribute across the full stack in a remote, nationwide setup. You will work with federal civilian projects and help scale critical services.

You’ll lead technical initiatives, mentor peers, and collaborate with stakeholders across agencies like NASA and GSA to ensure robust software that meets accessibility standards and security requirements.

Qualifications

• Bachelor’s degree plus 7+ years of professional software engineering experience.
• Expert-level knowledge with Spring Boot 4 framework.
• Strong working knowledge of containerized microservices and AWS services.
• Experience with infrastructure-as-code using Terraform.
• Experience building and consuming RESTful APIs with OpenAPI specifications.
• Hands-on experience with CI/CD pipelines in GitLab and Git.
• Ability to apply WCAG 2.1 AA accessibility standards.

Responsibilities

• Demonstrates expertise, accountability, and ownership of contributions to an application code base.
• Maintains a high-level understanding of adjacent technical areas to coordinate integration.
• Diagnoses and resolves issues and shares lessons for improvements.
• Mentors and assists junior engineers in skill development.
• Communicates technical issues and decisions effectively with team and clients.
• Participates in technical interviews for new candidates.
• Leads small or temporary projects and teams when needed.
• Presents design documents and diagrams to clients and engineers.

Skills

Spring Boot 4

Containerized microservices

AWS services

CI/CD pipelines (GitLab)

RESTful APIs

OpenAPI specifications

Git version control

WCAG accessibility

Education

Bachelor’s degree in CS or related field

Tools

Terraform

Maven

Poetry

Pact

Job description

Senior Software Engineer - Front End/Back End (Library of Congress)

Job Number: 987
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 that 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:

Senior Software Engineer - Front End/ Back End serves as an experienced individual contributor within a team, with the expectation that you will further develop your leadership, guidance and mentoring skills. With minimal oversight from leadership, you will be responsible for supporting the goal of meeting scope, schedule and delivery requirements. A Senior Software Engineer - Front End/ Back End impacts the long-term goals of the program, while contributing to the implementation of the program’s development strategy. You may serve as the discipline's primary lead when working with stakeholders and utilize strong influential skills to drive improvements in software engineering processes and practices. Primary expectations of a Senior Software Engineer - Front End/ Back End include:

• Demonstrates expertise, accountability, and ownership of their contributions to an application code base
• Maintains a high-level understanding of adjacent technical areas and ecosystems to effectively coordinate integration with those systems
• Diagnoses and effectively resolves issues with the systems they own, using incidents to inform educational opportunities and system improvements
• Actively mentors and assists more junior engineers in the development of their skills
• Effectively communicates technical issues and developments with team members and clients
• Participates in technical interviews with new candidates
• Strong influential skills to propose and evaluate multiple approaches to technical and process problems
• May serve as a mentor to individuals within the team
• May leads small, less critical, or temporary team structures and projects
• Presents design documents, system diagrams, etc. to clients, stakeholders, partners, and other engineers

Basic Qualifications:

• Bachelor’s degree and 7+ years of professional software engineering experience
• Relevant professional experience may be substituted for education where permitted
• Demonstrates expert-level knowledge with Spring Boot 4 framework
• Strong working knowledge of containerized microservices and AWS services (ECS, RDS, S3, Lambda, CloudWatch)
• Experience with infrastructure-as-code using Terraform
• Experience building and consuming versioned RESTful APIs with published OpenAPI specifications
• Hands-on experience with CI/CD pipelines in GitLab and version control via Git
• Working knowledge of WCAG 2.1 AA accessibility standards and their application to frontend or backend development
• Strong written and verbal communication skills, able to translate technical decisions for non-technical audiences including federal agency stakeholders

Preferred Qualifications:

• Prior experience with federal agency digital services or government contracting environments
• Familiarity with event-driven architectures using AWS SNS/SQS and Lambda/Step Functions
• Experience with consumer-driven contract testing using Pact or API contract governance across microservices
• Experience with Maven, POM (Project Object Model) management, or Poetry
• Exposure to SAFe or scaled Agile delivery frameworks including PI planning and ART coordination
• Company-subsidized health, dental, and vision insurance
• Flexible PTO
• 401K 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 that the law protects from employment discrimination.

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, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above. Actual compensation is influenced by a wide range of factors including but not limited to skill set, level of experience, and responsibility. The range of starting pay for this role is $120,000-$150,000. Our recruiters will be happy to answer any questions you may have, and we look forward to learning more about your salary requirements.