Haystack
← Back to Jobs
Technology
SY

Golang Developer

SysMind, LLCHartford, CT🇺🇸United StatesPosted Oct 13, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Hartford, CT, United States
Posted
Yesterday
MicroservicesMongoDBMySQLBlockchainGoJavaScriptPythonREST

Job Description

Work Location: Hartford, CT
Contract Duration: 6 Months
Experience Required: 5–8 Years
Job Type: Contract
 

Job Overview

We are looking for an experienced Golang Developer  with strong expertise in Go, backend development, and scalable application architecture. The ideal candidate will have hands-on experience building high-performance backend applications and microservices, developing RESTful APIs, and working with cloud-native architectures and distributed systems.

The candidate will collaborate with cross-functional teams to deliver reliable software solutions, optimize application performance, and resolve production issues.

Key Responsibilities

  • Design, develop, and maintain scalable backend applications using Golang.
  • Build, enhance, and support microservices-based architectures.
  • Develop RESTful APIs and integrate applications with third-party services.
  • Write clean, efficient, maintainable, and well-tested code.
  • Optimize application performance, scalability, and reliability.
  • Work with cloud-native architectures, containerization, and distributed systems.
  • Collaborate with product teams, QA, DevOps, architecture teams, AI engineers, data scientists, and business stakeholders.
  • Participate in code reviews and promote software engineering best practices.
  • Troubleshoot, debug, and resolve production issues.
  • Implement fixes and contribute to continuous improvements in application stability and performance.

Primary Skills

  • Golang (Go) – Strong hands-on development experience
  • JavaScript
  • MySQL
  • Backend Application Development
  • Microservices Architecture
  • RESTful API Development
  • Distributed Systems

Secondary Skills

  • Python,
  • MongoDB,
  • Cloud-Native Architectures,
  • Containerization,
  • Application Performance Optimization,
  • Production Support and Debugging
  • Third-Party API Integration
  • Code Reviews and Software Engineering Best Practices

Required Qualifications

  • 5–8 years of overall software development experience.
  • Strong hands-on expertise in Golang for scalable, high-performance backend applications.
  • Experience developing and supporting microservices.
  • Knowledge of REST APIs, distributed systems, and cloud-native application design.
  • Experience working with relational databases such as MySQL.
  • Ability to collaborate effectively with technical and business stakeholders.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Experience resolving production issues and maintaining application reliability.

Preferred Qualifications

  • Experience with Python and MongoDB.
  • Exposure to blockchain-related technologies and architectures.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. 
We are committed to providing reasonable accommodations to qualified applicants with disabilities and for sincerely held religious beliefs, as required by applicable law. Applicants who require a reasonable accommodation during the hiring process may request assistance.
Employment may be contingent upon the successful completion of job-related pre-employment screening, which may include background and reference checks and, where permitted by applicable law and applicable to the position, drug testing. All such screening will be conducted in accordance with applicable federal, state, and local laws.

Similar jobs