Sr. Backend Developer

Summit Technologies Inc. is looking for a Senior Backend Developer to support our client in Washington DC (Hybrid/Remote). This role supports the IRS Business Tax Account (BTA) modernization initiative as part of the Taxpayer Experience (TXE) Strategy. The Senior Back-End Developer will focus on building secure scalable and high-performing server-side applications and APIs within an AWS/Kubernetes federal environment. Candidates must be eligible for a Public Trust (MBI) clearance. Employment is contingent upon passing the required background investigation and maintaining eligibility throughout the period of performance.

Duties and Responsibilities:

• Lead the design and development of secure back-end services RESTful APIs and microservices that integrate with IRS digital platforms.
• Implement best practices for cloud-native applications in AWS and Kubernetes ensuring compliance with IRS Publ. 4812 FISMA and NIST 800-53.
• Collaborate with product owners technical leads and stakeholders to translate user stories into functional back-end features.
• Support CI/CD processes using Jenkins GitHub Actions SonarQube and automated testing frameworks.
• Conduct unit and integration testing and help develop automated test coverage (90% for critical functionality).
• Troubleshoot and resolve production issues including root cause analysis and long-term fixes.
• Contribute to performance tuning scalability testing and capacity planning to meet IRS performance standards.
  

Required Skills and Experience:

• 7 years of back-end development experience including 3 years in a senior/lead role.
• Expertise in Java or Python for enterprise back-end development.
• Strong knowledge of secure software development encryption authentication/authorization and federal cybersecurity compliance.
• Experience with RESTful API design microservices and cloud-based database architectures.
• Hands-on experience with CI/CD pipelines containerization (Docker/Podman) Kubernetes and AWS cloud services.
• Experience in Agile/Scrum environments delivering iterative releases.
• Familiarity with IRS cloud environments FedRAMP FISMA and NIST 800-53.
• Experience with Jenkins Git SonarQube NexusIQ Selenium and AppDynamics.
  

Education

• Bachelors degree in Computer Science Software Engineering or a related field.
  

Certifications:

• CompTIA Security (Required)
• AWS Certified Developer Associate (Required)
• Certified Scrum Developer (Preferred)
• AWS Solutions Architect Associate or Professional (Preferred)
• Certified Kubernetes Application Developer (CKAD) (Preferred)
• CSSLP or similar secure software development certification (Preferred)
  

Clearance:

• Must have an active Public Trust Clearance (Tier 2 Moderate Risk).
• Tier 4 High Risk Public Trust may be required depending on requirements.
  

If you feel you are qualified and want to be considered for this position please supply the following to: and please put the job number 6873 in the subject line:

• Updated resume including MM/YYYY for each employer.
• Best times/dates to interview (plus phone number where you can be reached).
• Availability to start once given a formal offer.

Summit Technologies Inc. appreciates your interest. We will contact the best matching prospects and will consider you for future opportunities. We will not submit your resume without your prior knowledge and consent. We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion gender sexual orientation gender identity national origin disability or veteran status.

Required Experience:

Senior IC