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Contractor Backend Developer Jobs (NOW HIRING)

Req ID: 40539 Summary Mid Backend Developer Vienna, VA Are you ready to enhance your skills and ... fast-paced contracting environment * Demonstrated ability to effectively communicate and ...

... fast-paced contracting environment * Demonstrated ability to effectively communicate and ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

... fast-paced contracting environment * Demonstrated ability to effectively communicate and ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

Req ID: 40540 Summary Jr. Backend Developer Vienna, VA Are you ready to enhance your skills and ... fast-paced contracting environment * Demonstrated ability to effectively communicate and ...

Backend Developer (Java) - Springfield

Dallas, TX ยท On-site

$50 - $64.75/hr

Backend Developer (Java Microservices - Spring Boot):- We are looking for an experienced and highly ... This position is available for independent contractors No applications will be considered if ...

Backend Developer (Java Microservices - Spring Boot):- We are looking for an experienced and highly ... This position is available for independent contractors No applications will be considered if ...

Senior Backend Developer

Vienna, VA

$120K - $157K/yr

Req ID: 40538 Summary Senior Backend Developer Vienna, VA Are you ready to enhance your skills and ... fast-paced contracting environment * Demonstrated ability to effectively communicate and ...

Senior Backend Developer

Vienna, VA ยท On-site

$120K - $157K/yr

... fast-paced contracting environment * Demonstrated ability to effectively communicate and ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

We are seeking a highly skilled Backend Engineer to design, develop, and scale mission-critical ... This position is not available for independent contractors No applications will be considered if ...

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Contractor Backend Developer information

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$57

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How much do contractor backend developer jobs pay per hour?

As of Jun 21, 2026, the average hourly pay for contractor backend developer in the United States is $57.73, according to ZipRecruiter salary data. Most workers in this role earn between $47.36 and $68.27 per hour, depending on experience, location, and employer.

What are contractor backend developers?

Contractor backend developers are professionals hired on a contract basis to design, build, and maintain the server-side logic, databases, and APIs that power software applications. Unlike full-time employees, they typically work for a set period or on specific projects, providing specialized expertise in backend technologies. Their work ensures that the application's data processing and integration with front-end components function smoothly and securely. Contractor backend developers often collaborate with other developers, project managers, and stakeholders to deliver scalable and efficient solutions tailored to an organization's needs.

What is the difference between Contractor Backend Developer vs Freelancer Backend Developer?

AspectContractor Backend DeveloperFreelancer Backend Developer
CredentialsTypically requires relevant degrees or certifications in computer science or software engineeringMay have similar credentials but often relies on portfolio and experience
Work EnvironmentUsually works for a company on a contractual basis, often within a teamOperates independently, managing multiple clients
Employer & Industry UsageHired by organizations for specific projects, common in tech, finance, and e-commerceServes various clients across industries, often through online platforms

While both roles involve backend development skills, a Contractor Backend Developer typically works on a contractual basis for a single organization, often within a team environment. In contrast, a Freelancer Backend Developer operates independently, managing multiple clients and projects across industries. The choice depends on your preferred work style and career goals.

What are some common challenges faced by contractor backend developers when integrating with existing systems?

Contractor backend developers often encounter challenges such as limited documentation, legacy codebases, and unfamiliar tech stacks when integrating with existing systems. Navigating these hurdles requires strong problem-solving skills, effective communication with in-house teams, and the ability to quickly learn and adapt to new environments. Contractors should also be proactive in clarifying requirements and establishing clear channels for ongoing feedback to ensure seamless integration and project success.

What are the key skills and qualifications needed to thrive as a Contractor Backend Developer, and why are they important?

To thrive as a Contractor Backend Developer, you need strong programming skills in server-side languages (such as Java, Python, or Node.js), experience with databases, and a solid understanding of APIs and system architecture. Familiarity with version control systems like Git, cloud platforms (AWS, Azure), and relevant certifications (e.g., AWS Certified Developer) is often required. Proactive communication, problem-solving, and time management are vital soft skills to excel in remote, contract-based work. These competencies ensure you can deliver reliable, scalable solutions efficiently while collaborating effectively with distributed teams.
What cities are hiring for Contractor Backend Developer jobs? Cities with the most Contractor Backend Developer job openings:
What states have the most Contractor Backend Developer jobs? States with the most job openings for Contractor Backend Developer jobs include:
Infographic showing various Contractor Backend Developer job openings in the United States as of June 2026, with employment types broken down into 2% Locum Tenens, 1% As Needed, 80% Full Time, 3% Part Time, 1% Temporary, and 13% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $120,086 per year, or $57.7 per hour.

Backend Developer SME

Freedom Technology Solutions Group

Saint Louis, MO โ€ข On-site

Full-time

Medical, Life, Retirement, PTO

Posted 17 days ago


Job description

Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities, including design and development, modernization of existing applications and services, and operations and sustainment. The role focuses on driving the client's adaptation of higher levels of automation and operational efficiency through agile development methodologies, rapid prototyping, and modern technology stacks.
The SME Backend Developer provides technical and management leadership for major backend and geospatial technology initiatives. Serves as a domain expert, directs client-facing activities, and has overall responsibility for strategy, execution, and outcomes.
Responsibilities
  • Define enterprise-level backend architecture strategies and modernization roadmaps.
  • Provide technical leadership on geospatial platform development and integration.
  • Oversee development, operations, and sustainment of backend systems across cloud, hybrid, and data center environments.
  • Participate in and enforce DevSecOps standards, CI/CD practices, and engineering governance
  • Interface with senior client leadership, negotiate requirements, and drive technical consensus.
  • Ensure alignment of technology execution with client mission objectives.
  • Serve as a thought leader in backend, cloud, and geospatial communities.

Key Technologies
  • Backend development (Python, Node.js, Java, or similar)
  • AWS services (S3, Lambda, SQS, SNS, ECS, ECR, IAM)
  • Event-driven and serverless architectures
  • API development and integration patterns
  • Containerization (Docker/Podman) and container registries
  • Data pipelines and metrics generation for dashboards and operational visibility
  • CI/CD pipelines (GitLab CI/CD or similar)
  • Large-scale data transfer, processing, and orchestration
  • Logging, monitoring, and distributed system debugging
  • Secure development practices (IAM, ABAC, FGAC, least privilege access)
  • Ability to work in Agile environments and collaborate across technical and mission teams

Required Qualifications
  • Active TS/SCI security clearance (eligible for CI Poly).
  • 14+ years of backend software development experience with demonstrated technical leadership
  • Expertise in modern cloud-native development using languages such as Python, Java, and JavaScript
  • Extensive experience with DevSecOps frameworks, CI/CD pipelines, and Agile/SAFe methodologies
  • Proven experience designing and delivering scalable, distributed backend systems
  • Experience leading large-scale technical efforts, including architecture, staffing, and execution
  • Strong client engagement skills with the ability to influence senior stakeholders
  • Experience using GitLab for source control and CI/CD pipelines
  • Experience developing custom code, scripts, and services for complex data processing and integration

Desired Qualifications
  • Experience working directly with clients to define requirements and develop user stories
  • Experience with geospatial systems, imagery products (e.g., SAR/RADAR), or GEOINT workflows
  • Experience developing or integrating GIS platforms and geospatial data formats
  • Familiarity with geospatial tools and platforms (PostGIS, Oracle Spatial ArcGIS SocketGXP etc.)
  • Experience implementing standards-based APIs (e.g., OGC standards (WFS, STAC, WMS)
  • Experience with data analytics, visualization pipelines, or metrics-driven platforms
  • Experience developing automated processing or detection algorithms
  • Experience with workflow orchestration tools (e.g., Argo Workflows)

What's in It for You?
Flexible work environment
A team mentality - work with friendly, like-minded professionals
Work with innovative, cutting edge technologies
Enjoy extremely competitive compensation and benefits
A work-life balance you can count on
Opportunities to grow and advance your career on our dime
The Benefits You Get with Freedom
Amazing benefits including matching 401k, fully paid medical, and more
Generous paid time off - including paid site closure days
Competitive salary offerings
Paid training and tuition reimbursement
Referral bonuses
Fully paid life and disability
Annual logo wear allowance
Company sponsored events (game nights, holiday party, summer party, happy hours)
Interested in learning more about Freedom and our culture? Contact us today! We're constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.
As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status
Applicant Federal & E-Verify Postings
VEVRAA Federal Contractor
Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at
Phone: 410-290-9035
Email: recruiting@goftsg.com
Equal Opportunity Employer, including disabled and veterans.
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