Freelance Full Stack Software Engineer Jobs in Washington, DC

Senior Full Stack Software Engineer

Category: Software Development/ Engineering

Main location: United States, Virginia, Reston

Position ID: J0426-1909

Employment Type: Full Time

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Position Description:

This role is responsible for designing and delivering scalable, end-to-end software solutions that address complex business needs. As a Senior Full Stack Software Engineer, you will work independently to assess customer requirements, define solution approaches, and build robust applications using modern technologies. The position involves hands-on development across the stack, implementation of cloud-based solutions, and collaboration with cross-functional teams to ensure smooth delivery. You will also play a key role in maintaining existing systems, improving performance, and adopting new technologies to enhance overall engineering capabilities.

We partner with 15 of the top 20 banks globally, and our top 10 banking clients have worked with us for an average of 26 years!.

This role is located at a client site in either Reston, VA OR Plano, TX. A hybrid working model is acceptable.

Your future duties and responsibilities:

This role is responsible for designing and delivering scalable, end-to-end software solutions that address complex business needs. As a Senior Full Stack Software Engineer, you will work independently to assess customer requirements, define solution approaches, and build robust applications using modern technologies. The position involves hands-on development across the stack, implementation of cloud-based solutions, and collaboration with cross-functional teams to ensure smooth delivery. You will also play a key role in maintaining existing systems, improving performance, and adopting new technologies to enhance overall engineering capabilities.

Required qualifications to be successful in this role:

. 7+ years of relevant software engineering experience

. Ability to break down business needs and translate them into practical, scalable technical solutions

. Strong development experience with Java/J2EE and frameworks like Spring and Spring Boot

. Comfortable working across the full stack, with some exposure to front-end tools like Angular or TypeScript

. Solid understanding of AWS services (e.g., EC2, S3, Lambda, DynamoDB) and general cloud architecture principles

. Experience building and consuming RESTful APIs and working with JSON-based data formats

. Familiar with CI/CD pipelines and tools such as GitLab, Terraform, Maven, or Gradle

. Hands-on experience with relational databases and data modeling concepts

. Exposure to containerization (Docker) and microservices or serverless architectures

. Working knowledge of automated testing tools (JUnit, Mockito, Cucumber, Karate) and API testing tools like Postman

. Comfortable working in Agile environments (Scrum or Kanban)

. Some experience with Python and modern DevOps practices is a plus

. Understanding of monitoring, logging, and reliability practices in cloud environments (e.g., Splunk, SRE concepts)

. Familiarity with development tools like IntelliJ, VS Code, Git, JIRA, and Confluence

Education:

Bachelor's degree in Computer Science, Information Systems, or a related field.?

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#DICE

Other Information:

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $108,300.00 - $154,300.00.

CGI's benefits are offered to eligible professionals on their first day of employment to include: . Competitive compensation . Comprehensive insurance options . Matching contributions through the 401(k) plan and the share purchase plan . Paid time off for vacation, holidays, and sick time . Paid parental leave .Learning opportunities and tuition assistance . Wellness and Well-being programs

Skills:

• Full Stack Development

• Java

• SQL

• Waterfall Model

• Python

What you can expect from us:

Together, as owners, let's turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because...

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.

Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team-one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at US_Employment_Compliance@cgi.com . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

We make it easy to translate military experience and skills! Clickhere (https://cgi-veterans.jobs/) to be directed to our site that is dedicated to veterans and transitioning service members.

All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information.