Backend Software Engineer – Contract

ArenaNet

. Design, develop, test, and maintain backend microservices and RESTful APIs using Python and Flask .

Posted 9/24/2026contractBellevue • Washington • United StatesJuniorMid-Level💰 $57 - $86 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates strong proficiency in Python and Flask for backend development, with a focus on designing and optimizing RESTful APIs and microservices. Capable of writing clean, maintainable code while collaborating effectively with cross-functional teams to enhance system reliability and performance.

Highest-signal resume keywords

Python ProficiencyFlask DevelopmentRESTful API DesignSQL Database OptimizationDebugging and Problem-Solving

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Backend DevelopmentMicroservices ArchitectureDatabase Schema DesignSQL Query DevelopmentCode ReviewTechnical Risk IdentificationPerformance TroubleshootingClean Code PracticesSystem Compatibility MaintenanceProduction Codebase Management

Soft Skills

Strong CommunicationCollaboration SkillsProject ManagementIndependent Work

Tools & Technologies

MSSQLMySQLRedisRabbitMQDockerKubernetesGitJenkinsApiDoc

Certifications & Qualifications

Bachelor's Degree in Computer Science

Industry Keywords

Backend SystemsHigh-Availability SystemsGame DevelopmentSoftware Engineering

Tech Stack

Tools & technologies

DockerFlaskJenkinsKubernetesMicroservicesMySQLPythonRabbitMQRedisSQL

About the role

Key responsibilities & impact

Design, develop, test, and maintain backend microservices and RESTful APIs using Python and Flask
Develop new functionality within an established production codebase while maintaining existing system behavior and compatibility
Design and optimize database schemas, SQL queries, and data access patterns using MSSQL and MySQL
Investigate existing architecture, dependencies, and business logic to understand impacts on interconnected systems
Troubleshoot and resolve backend performance, reliability, and data-related issues
Write clean, maintainable, well-tested code and participate in code reviews
Identify technical risks, dependencies, and potential impacts before implementing changes
Collaborate with engineers and cross-functional partners to understand requirements and develop practical technical solutions
Contribute to the reliability, scalability, and maintainability of backend systems at ArenaNet, developer and publisher of the Guild Wars game series

Requirements

What you’ll need

Bachelor's degree in Computer Science or related field or an equivalent combination of education, training, and experience
2+ years of professional software engineering experience focused on backend development
Strong proficiency with Python
Professional experience developing backend applications and services using Flask or a comparable Python web framework
Experience designing and developing RESTful APIs and microservices
Strong experience with relational databases and SQL, including schema design, query development, and optimization
Experience with MSSQL and/or MySQL
Experience working effectively within large or established codebases
Strong debugging and problem-solving skills, including understanding unfamiliar systems and tracing dependencies
Ability to write clean, maintainable, and well-tested code
Strong communication and collaboration skills
Ability to work independently, manage assigned projects through completion, and proactively communicate risks or blockers
Experience with Redis for caching, RabbitMQ or other message-queue technologies, Docker, Kubernetes, Git, Jenkins or other CI/CD tools, or apiDoc is a plus
Experience supporting high-availability or production backend systems is a plus
Candidates must be authorized to work in the United States

Benefits

Comp & perks

Overtime pay when applicable
Medical benefits
Dental benefits
Vision benefits
401(k)
Flexible/dependent care accounts
Remote-friendly work arrangement
Occasional onsite collaboration
Six-month contract