Senior Golang Engineer

Calsoft; Irvine (CA); Hybrid; USD 125,000 - 180,000; Full time

Benefits offered by this job

Health insurance

401(k)

Flexible work environment

Job summary

Calsoft is seeking a Senior Golang Engineer with 5-8 years of experience to build scalable, cloud-native backend systems and distributed microservices. You will design high-performance APIs, real-time processing, and event-driven architectures deployed on AWS and Kubernetes.

Join a engineering-led product partner with strong emphasis on modern tech stack, CI/CD, observability, and collaboration in Agile/Scrum teams across hybrid Irvine location.

Qualifications

• 5-8 years of experience in Go backend systems.
• Experience building scalable microservices and REST/gRPC APIs.
• Strong knowledge of distributed systems and concurrency.
• Hands-on with AWS services (EC2/EKS/ECS/S3/Lambda/API Gateway).
• Docker, Kubernetes, Helm experience.
• Experience with Kafka/RabbitMQ and event-driven architecture.
• Experience with distributed databases: PostgreSQL, Cassandra, MongoDB, MySQL.
• CI/CD pipelines using Jenkins, GitHub Actions, or ArgoCD.
• Observability tools: Prometheus, Grafana, ELK, Jaeger.
• Agile/Scrum environment experience.

Skills

Golang

Microservices

REST APIs

gRPC

Distributed systems

AWS

Docker

Kubernetes

Kafka

PostgreSQL

Cassandra

MongoDB

MySQL

CI/CD

Prometheus

Grafana

ELK Stack

Jaeger

Agile/Scrum

Tools

Jenkins

GitHub Actions

ArgoCD

Helm

Terraform

Ansible

Job description

Calsoft is an engineering-led digital product partner for global ISVs and tech-driven enterprises. Since 1998, we’ve helped customers build platforms, modernize systems, and scale with confidence, across cloud, AI, and connected ecosystems. With engineering roots in Silicon Valley and delivery strength in India, we operate at the intersection of product development, intelligent automation, and secure digital transformation.

Location:

Irvine CA- Hybrid

Role Description

We are seeking a highly skilled Senior Golang Engineer with 5-8 years of experience in building scalable, cloud-native backend systems and distributed microservices. The role involves designing high-performance APIs, real-time data processing systems, event-driven architectures, and deploying resilient applications on AWS and Kubernetes environments.

Must-Have Skills

• Strong hands-on experience in Golang (Go) development
• Expertise in building microservices, REST APIs, and gRPC-based services
• Strong understanding of distributed systems, concurrency, multithreading, and performance optimization
• Hands-on experience with AWS cloud services such as EC2, EKS, ECS, S3, Lambda, API Gateway, and CloudWatch
• Experience with Docker, Kubernetes, Helm, and container orchestration
• Strong exposure to Kafka/RabbitMQ and event-driven architectures
• Experience with PostgreSQL, Cassandra, MongoDB, MySQL, or other distributed databases
• Hands-on experience with CI/CD pipelines using Jenkins, GitHub Actions, or ArgoCD
• Familiarity with observability and monitoring tools like Prometheus, Grafana, ELK Stack, Jaeger
• Strong debugging, troubleshooting, and problem-solving skills
• Experience working in Agile/Scrum environments

Good-to-Have Skills

• Exposure to frontend technologies such as React.js
• Experience with Terraform, Ansible, and Infrastructure as Code (IaC)
• Knowledge of OAuth2, JWT, Auth0, and cloud security best practices
• Experience with WebSockets, real-time streaming, and low-latency systems
• Familiarity with service mesh technologies like Istio
• Exposure to financial, insurance, or enterprise-scale product environments
• Experience in mentoring junior engineers and driving engineering best practices

Compensation

Base Annual Compensation: $125,000 - $180,000

The salary range listed represents the Company’s good-faith estimate of the base compensation reasonably expected to be offered for this position at the time of posting. The actual salary offered to the selected candidate may vary based on job-related factors, including work location, market conditions, relevant experience, education and training, technical skills, demonstrated abilities, internal equity, and the results of role-specific technical evaluations conducted during the selection process. This position may also be eligible for benefits and other forms of compensation, as applicable. Compensation decisions are made in accordance with applicable federal, state, and local laws.

What benefits offer:

Comprehensive group health insurance coverage subject to plan terms.

401(k) retirement savings plan participation, in accordance with applicable plan provisions.

Flexible work environment

Holidays and paid time off program, subject to company policy.

Calsoft core values:

• Customer Focus
• Integrity
• Ownership
• Team Spirit

Calsoft provides Equal Employment Opportunity to all employees and applicants for employment without regard to race, colour, religion, gender identity or expression, sex, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Calsoft complies with applicable state and local laws governing non-discrimination in employment.