Senior Software Engineer

GCS Recruitment; Baltimore (MD); On-site; USD 140,000 - 180,000; Full time

Job summary

GCS Recruitment seeks a Senior Golang Backend Engineer to design, develop, and maintain scalable backend services for cloud-native environments. You will build microservices in Kubernetes, create REST/gRPC APIs, and implement secure authentication across distributed systems.

The role emphasizes collaboration with architects and cross-functional teams to deliver reliable, high-performance software. The ideal candidate has 5+ years of backend experience, strong Linux, Docker, Kubernetes skills,

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent experience.
• 5+ years backend development experience, with 2+ years in Golang.
• Experience building distributed systems and microservices.
• Strong Linux development environment experience.
• Experience with Docker and Kubernetes.
• Experience with REST and gRPC services.
• Git version control experience.
• Strong debugging and analytical skills.
• Ability to work independently while collaborating across teams.

Responsibilities

• Design, develop, and maintain scalable backend applications using Golang.
• Build cloud-native microservices deployed in Kubernetes.
• Develop RESTful and gRPC APIs for enterprise applications.
• Design secure authentication and authorization solutions.
• Collaborate with architects to design scalable, reliable systems.
• Troubleshoot production issues and resolve defects.
• Optimize performance, scalability, and reliability.
• Refactor code to improve maintainability and efficiency.
• Translate business requirements into technical solutions.
• Participate in architecture reviews, design discussions, and code reviews.
• Create and maintain technical documentation.
• Estimate development effort and deliver high-quality software.

Skills

Golang

Backend development

Distributed systems

Cloud-native

REST & gRPC

Linux

CI/CD

Debugging

Education

Bachelor's degree in CS or equivalent

Tools

Docker

Kubernetes

Git

Terraform

Job description

Senior Golang Backend Engineer

Golang | AWS | Kubernetes | Linux | Distributed Systems

Are you passionate about building high-performance backend systems that operate at enterprise scale? We're looking for a Senior Golang Backend Engineer to join a team developing secure, cloud-native applications and distributed services that power mission-critical platforms.

This is an opportunity to work on complex engineering challenges involving microservices, authentication, cloud infrastructure, and high-throughput systems in a collaborative, fast-paced environment.

What You'll Do

• Design, develop, and maintain scalable backend applications using Golang
• Build and enhance cloud-native microservices deployed in Kubernetes environments
• Develop RESTful and gRPC APIs for enterprise applications
• Design secure authentication and authorization solutions
• Collaborate with architects and engineers to design scalable, reliable systems
• Troubleshoot production issues and resolve software defects
• Optimize application performance, scalability, and reliability
• Refactor existing code to improve maintainability and efficiency
• Translate business requirements into technical solutions
• Participate in architecture reviews, design discussions, and code reviews
• Create and maintain technical documentation
• Estimate development effort and deliver high-quality software

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent experience
• 5+ years of backend software development experience
• 2+ years of professional experience developing applications with Golang
• Strong experience building distributed systems and microservices
• Deep understanding of Linux operating systems and development environments
• Experience working with Docker and Kubernetes
• Experience building RESTful and/or gRPC services
• Experience with Git-based version control
• Strong debugging, troubleshooting, and analytical skills
• Ability to work independently while collaborating across engineering teams

Technical Skills

Programming Languages

• Golang (Go)
• Python or JavaScript (preferred)
• C programming experience is a plus

Cloud & Infrastructure

• AWS (EKS, ECS, S3, Lambda, SNS/SQS, or similar services)
• Docker
• Kubernetes
• Linux
• Terraform (preferred)

Backend Technologies

• Microservices Architecture
• Event-Driven Systems
• REST APIs
• gRPC
• Concurrent Programming (Goroutines)

Identity & Security

Experience with one or more of the following:

• Active Directory
• LDAP
• PKI / Certificate Management
• SSH Key Management
• OAuth
• OpenID Connect (OIDC)
• SAML
• Single Sign-On (SSO)
• Multi-Factor Authentication (MFA)

Databases

Experience with relational and NoSQL databases, including:

• PostgreSQL
• MongoDB
• DynamoDB
• Redis
• SQL

Preferred Qualifications

Experience with any of the following is highly desirable:

• High-volume, low-latency distributed systems
• Enterprise platform engineering
• API gateway development
• Workflow orchestration
• Messaging technologies (Kafka, RabbitMQ, SNS/SQS)
• Performance tuning and scalability optimization
• CI/CD pipelines
• Code reverse engineering and legacy modernization
• Observability tools such as Grafana, Prometheus, Datadog, or Splunk

We're Looking For Someone Who

• Enjoys solving complex backend engineering problems
• Thrives in cloud-native, distributed environments
• Writes clean, maintainable, production-quality code
• Takes ownership of projects from design through deployment
• Values collaboration, innovation, and continuous improvement
• Has experience building highly scalable, reliable backend platforms

Why Join Us?

You’ll work alongside talented engineers building secure, scalable systems that support millions of users and mission-critical applications. This role offers the opportunity to make a significant impact while working with modern technologies in a collaborative engineering environment.