Senior Software Engineer – Go, Golang

Concept Solutions, LLC

. Maintain and support a high-volume, public-facing application built with Go, React/TypeScript, and PostgreSQL, containerized on Amazon ECS .

Posted 10/13/2026full-timeUnited StatesSenior💰 $170,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in backend software engineering, particularly with Go and PostgreSQL, while ensuring application reliability and security in a cloud environment. Proficient in developing REST APIs and integrating applications with identity providers, with a strong understanding of change management processes.

Highest-signal resume keywords

Go (Golang) DevelopmentREST API DevelopmentPostgreSQL Database ManagementAmazon ECSTop Secret Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend Software EngineeringGo (Golang)REST APIsSQLPostgreSQLApplication TroubleshootingAgile MethodologyApplication SecurityChange ManagementIdentity Provider Integration

Soft Skills

Problem SolvingCollaborationCommunication

Tools & Technologies

Amazon ECSKubernetesAWS GovCloudReactTypeScript

Certifications & Qualifications

Top Secret ClearanceTier 5 Investigation

Industry Keywords

Cloud EnvironmentProduction ApplicationsOperational DocumentationOn-Call RotationSecurity Vulnerabilities

Tech Stack

Tools & technologies

AWSCloudKubernetesPostgresReactSQLTypeScriptGo

About the role

Key responsibilities & impact

Maintain and support a high-volume, public-facing application built with Go, React/TypeScript, and PostgreSQL, containerized on Amazon ECS
Hold privileged access to production environments and own application defects, security patches, and releases according to the customer's release calendar
Troubleshoot production issues and implement application fixes to ensure reliability, performance, and availability
Maintain application runbooks, operational documentation, and the established sustainment baseline
Participate in the Severity 1 on-call rotation and address security vulnerabilities and findings
Develop and implement application-side changes to integrate existing applications with the shared modernization platform
Support identity-provider trust integration, deep-link routing, redemption endpoints, and data feed access
Collaborate with engineering and platform teams to maintain existing functionality during modernization
Follow change management and privileged-access procedures when deploying production updates
Work in two-week Agile sprints and participate in customer demonstrations each sprint
Travel 0–10% within the Washington, DC metropolitan area

Requirements

What you’ll need

7+ years of professional backend software engineering experience
At least 3 years of production Go (Golang) development
Strong experience developing and maintaining REST APIs
Hands-on experience with SQL and PostgreSQL databases
Experience operating and supporting production applications in a cloud environment
Familiarity with formal change control processes and privileged-access security requirements
Ability to troubleshoot complex production issues, implement fixes, and support application releases
Experience with React and TypeScript preferred
Experience with Amazon ECS or Kubernetes preferred
Familiarity with AWS GovCloud environments preferred
Experience integrating applications with identity providers using OIDC or SAML preferred
Current favorably adjudicated Tier 5 investigation or active Top Secret clearance, enabling immediate privileged access
U.S. citizenship required
Must hold a current favorably adjudicated Tier 5 investigation or Top Secret clearance, or be eligible to obtain one
Ability to work Monday through Friday during core hours of 9:00 a.m.–3:00 p.m. Eastern
Government-furnished equipment must be used for access to government environments

Benefits

Comp & perks

Health insurance
Dental insurance
Vision insurance
Life insurance
Comprehensive 401(k) plan with matching and immediate vesting
Positive culture centered on innovation, engagement, and career development
Career development opportunities
Government-furnished equipment for access to government environments