Senior Software Engineer (Golang)

Location-specific conditions & benefits*

Argentina

We are seeking a Senior Software Engineer with extensive experience in Golang to join our team and contribute to the foundational services powering BigCommerce's API platform. Our mission is to deliver scalable, high-performing solutions that enable innovation for developers both inside and outside the organization.

Join a team that drives meaningful impact by shaping critical architectural strategies, improving API performance, and fostering collaboration across globally distributed teams.

Responsibilities

Design, develop, and optimize services supporting BigCommerce APIs, with a focus on scalability, performance, and maintainability
Create internal tools to enhance the efficiency of teams working with APIs
Troubleshoot and resolve production challenges while contributing to improving service stability and performance
Document workflows, architectural decisions, and best practices related to the API infrastructure
Collaborate with globally distributed teams across EU and US time zones
Champion best practices for code quality, testing, and maintainability
Explore and integrate new tools, frameworks, or techniques to advance project outcomes
Enhance API architecture with a focus on modernization and extensibility
Work with technical stakeholders to align goals and influence product deliverables
Mentor junior engineers, supporting their growth while achieving key project objectives

Requirements

Minimum of 3 years of professional experience in software engineering, with a specialization in Golang
Proven ability to design and implement scalable, efficient, and maintainable system architectures
Strong understanding of HTTP, RESTful API design, and API standards
In-depth knowledge of SQL database schema design, query optimization, and experience with relational databases such as PostgreSQL or MySQL, as well as NoSQL alternatives
Proficiency with Git version control, including advanced workflows like rebasing and resolving merge conflicts
Ability to write clean, maintainable, and testable code with comprehensive test coverage (unit and integration)
Experience troubleshooting and resolving complex technical issues in scalable systems
Proven ability to work effectively with distributed teams and manage end-to-end project execution independently
Strong problem-solving skills, particularly in incident resolution and ensuring service reliability
Experience shaping technical roadmaps and guiding stakeholders in making informed technology decisions
Commitment to continuous learning and adopting emerging technologies and best practices
Fluent English communication skills (B2 or higher), with the ability to explain technical concepts to a variety of audiences

Nice to have

Experience with tools and frameworks such as gRPC, GraphQL, MCP; RabbitMQ; Redis; Docker, CircleCI
Familiarity with observability tools like Kibana, Prometheus, Grafana, or Lightstep
Understanding of Agile workflows and issue tracking systems such as Jira
Experience leveraging cloud platforms like Google Cloud Platform (GCP) or Amazon Web Services (AWS) for deploying and scaling services
Exposure to additional programming languages like JavaScript (Node.js), Scala, PHP, or Ruby, showcasing adaptability across diverse tech stacks

We offer/Benefits

International projects with top brands
Work with global teams of highly skilled, diverse peers
Healthcare benefits
Employee financial programs
Paid time off and sick leave
Upskilling, reskilling and certification courses
Unlimited access to the LinkedIn Learning library and 22,000+ courses
Global career opportunities
Volunteer and community involvement opportunities
EPAM Employee Groups
Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn