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Web Accessibility Software Engineer Jobs in Washington

Unissant

Senior Software Engineer

Ashburn, VA · On-site

$125K - $165K/yr

We are seeking a Senior Software Engineer to join our team and support our client, the Federal ... Experience designing accessible user interfaces and testing web applications for Section 508 ...

UNISSANT

Senior Software Engineer

Ashburn, VA · Remote

$125K - $165K/yr

We are seeking a Senior Software Engineer to join our team and support our client, the Federal ... Experience designing accessible user interfaces and testing web applications for Section 508 ...

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What cities in Washington are hiring for Web Accessibility Software Engineer jobs?

Cities in Washington with the most Web Accessibility Software Engineer job openings:

Infographic showing various Web Accessibility Software Engineer job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution.

Software Engineer IV - Web/Database Development

Vienna, VA • On-site

ActioNet, Inc.
IT Services • 1 - 5K employees
Learn more about ActioNet, Inc.external

$228K/yr

Full-time

Re-posted yesterday

Job description

Description
Software Engineer IV - Web/Database Development
Location: Washington, DC or Gaithersburg, MD
Salary: Up to $228,000 annually depending on qualifications, including relevant certifications, education, years of experience, and demonstrated experience supporting Federal Government programs within the field. Candidates with specialized expertise, industry-recognized certifications, and strong Federal contracting experience may be considered at the higher end of the range
Summary
We are seeking a highly experienced Software Engineer IV to support the design, development, implementation, and sustainment of enterprise-scale web applications and database solutions. The ideal candidate will have strong full-stack web development experience combined with expertise in database architecture, data modeling, ETL, application security, and enterprise reporting systems. This role will work closely with data architects, data scientists, project managers, business intelligence, data quality, and cybersecurity teams to develop secure, scalable, and high-performing applications that meet complex business and technical requirements.
Required Qualifications
  • Bachelor's degree from an accredited college or university in Information Technology, Computer Science, Software Engineering, or a related field.
  • Typically seven (7) years of professional software engineering experience.
  • Seven (7) years of experience as a full-stack web developer designing and implementing enterprise-scale, dynamic, and interactive web applications.
  • Experience developing web applications based on business requirements and technical specifications.
  • Strong programming experience with modern web development languages, frameworks, and application programming interfaces (APIs).
  • Experience developing online data processing and reporting systems.
  • Experience implementing web accessibility standards and data security/authentication requirements.
  • Experience designing and developing web services.
  • Experience analyzing and resolving database, application architecture, and application performance issues.
  • Experience with data modeling, database design, database implementation, and database administration.
  • Experience optimizing database performance and validating functional and non-functional requirements.
  • Experience developing Extract, Transform, Load (ETL) processes for organizational data warehouses.
  • Experience supporting data warehousing, reporting, analytics, and business intelligence activities.
  • Experience diagnosing, troubleshooting, and debugging operational issues in new and existing web applications.
  • Experience collaborating with data architects, data scientists, project managers, business intelligence teams, data quality teams, and cybersecurity professionals.
  • Experience throughout the software development lifecycle, including automated testing, technical documentation, source code/version control, change management, release management, and configuration management.
  • Ability to analyze complex technical issues and develop effective, scalable solutions.
  • Strong written and verbal communication skills with the ability to work effectively across technical and business teams.

Preferred Qualifications
  • Master's degree in Computer Science, Information Technology, Software Engineering, Data Science, or a related technical discipline.
  • Experience developing applications using Java, C#, Python, JavaScript/TypeScript, or similar modern programming languages.
  • Experience with modern web frameworks such as React, Angular, Vue.js, .NET, Spring, or similar technologies.
  • Experience with RESTful APIs, web services, microservices, and service-oriented architectures.
  • Experience with relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
  • Experience with cloud-based application and database platforms, particularly AWS or Microsoft Azure.
  • Experience with cloud services supporting application development, databases, storage, analytics, and ETL.
  • Experience with data warehouse and data lake technologies.
  • Experience with CI/CD pipelines and DevSecOps practices.
  • Experience with Git, GitHub, GitLab, Bitbucket, or similar version-control platforms.
  • Experience with automated testing frameworks and test-driven or continuous integration practices.
  • Experience implementing Section 508/WCAG accessibility requirements.
  • Experience with application security, identity and access management, encryption, and authentication technologies.
  • Experience working in Agile/Scrum development environments.
  • Experience supporting federal government or other highly regulated environments.

Preferred Certifications
  • AWS Certified Developer - Associate
  • AWS Certified Solutions Architect - Associate or Professional
  • Microsoft Certified: Azure Developer Associate
  • Microsoft Certified: Azure Solutions Architect Expert
  • Oracle Database certifications
  • Certified Kubernetes Application Developer (CKAD)
  • Certified Kubernetes Administrator (CKA)
  • Certified ScrumMaster (CSM) or Professional Scrum Master (PSM)
  • CompTIA Security+
  • Certified Information Systems Security Professional (CISSP)
  • GIAC Secure Software Programmer (GSSP) or other software/application security certification

Key Responsibilities
  • Design, develop, test, implement, and maintain enterprise-scale web applications.
  • Develop complex application code, APIs, and web services supporting data processing, reporting, and analytics.
  • Design and implement scalable database solutions and data models.
  • Develop and maintain ETL processes supporting enterprise data warehouses and reporting environments.
  • Analyze and resolve application, database, architecture, integration, and performance issues.
  • Diagnose and troubleshoot operational issues affecting production and non-production applications.
  • Implement application security, authentication, authorization, and data protection requirements.
  • Ensure applications comply with applicable accessibility and usability standards.
  • Collaborate with data architects, data scientists, business intelligence teams, data quality teams, cybersecurity professionals, and project managers.
  • Support automated testing, source code management, documentation, configuration management, change management, and release activities.
  • Participate throughout the full software development lifecycle.
  • Evaluate existing applications and recommend improvements to architecture, performance, security, maintainability, and scalability.
  • Support the development and implementation of technical solutions that meet business requirements and enterprise standards.

ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services. With 24+ years of stellar past performance, ActioNet is the premier Trusted Innogrator!
Why ActioNet?
At ActioNet, our Passion for Quality is at the heart of everything we do:
  • We are committed to make ActioNet a great place to work and continue to invest in our ActioNeters
  • We are committed to our customers by driving and sustaining Service Delivery Excellence
  • We are committed to give back to our Community, help others and make the world a better place for our next generation

ActioNet is proud to be named as a Top Workplace for the ninth year in a row (2014 - 2022). We have 98% of Customer retention rate. We are passionate about the inspirational missions of our customers and we entrust our employees and teams to deliver exceptional performance to enable the safety, security, health and well-being of our nation.
What's in It For You?As an ActioNeter, you get to be part of exceptional team and a corporate culture that nurtures mutual success for our customers, employees and our communities. We give you the tools to be successful; all you need to do is bring your best ideas, your energy and a desire to develop your skills, experience and career. Are you ready to make a difference?
ActioNet is an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
********Direct Applicants, only. No Agencies, No third-party recruiters, please********

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