Senior Frontend Engineer

Xsolla

. Design, develop, and maintain backend services and APIs .

Posted 10/6/2026full-timeRemote • RussiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development with a strong focus on Go programming, relational database management, and API design. Capable of optimizing performance, mentoring engineers, and contributing to CI/CD practices while ensuring application security and reliability.

Highest-signal resume keywords

Go ProgrammingRelational Database ManagementREST API DesignCI/CD PracticesApplication Security Fundamentals

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentConcurrency PatternsSchema DesignQuery OptimizationUnit TestingIntegration TestingMicroservices ArchitectureEvent-Driven DesignPerformance ProfilingInfrastructure-as-Code

Soft Skills

MentoringCollaborationTechnical DocumentationIncident ResponseCommunication

Tools & Technologies

PostgreSQLMySQLRedisDockerKubernetesGitOpenAPI/SwaggerKafkaRabbitMQPrometheus

Industry Keywords

GamingE-CommerceFintechPaymentsHigh-Load Systems

Tech Stack

Tools & technologies

AWSAzureCloudDockerGoogle Cloud PlatformGrafanaGRPCKafkaKubernetesMicroservicesMongoDBMySQLNoSQLPostgresPrometheusRabbitMQRedisGo

About the role

Key responsibilities & impact

Design, develop, and maintain backend services and APIs
Participate in architecture and design discussions
Write and review technical design documents
Write clean, maintainable, well-tested code with unit and integration test coverage
Optimize database schemas and queries for performance and reliability under load
Build event-driven and asynchronous workflows using message brokers
Monitor, troubleshoot, and improve production systems
Participate in incident response and post-mortems
Contribute to CI/CD pipelines, infrastructure-as-code, and engineering best practices
Perform code reviews and mentor Middle and Junior engineers
Collaborate with Product, Design, Frontend, QA, and DevOps to deliver features end to end
Maintain clear API and technical documentation
Own services end to end, from design and implementation through deployment, monitoring, and on-call support

Requirements

What you’ll need

5+ years of commercial backend development experience
Strong proficiency in Go, including idiomatic code, concurrency patterns, and performance profiling
Solid understanding of relational databases such as PostgreSQL or MySQL, including schema design, indexing, query optimization, and migrations
Experience with Redis or similar caching solutions
Experience designing and implementing REST APIs; gRPC is a plus
Experience documenting APIs with OpenAPI/Swagger
Understanding of microservices architecture and distributed-systems trade-offs
Experience with message brokers such as Kafka, RabbitMQ, or NATS and event-driven design
Experience with Docker and understanding of Kubernetes basics
Proficiency with Git and CI/CD practices
Solid experience with automated unit and integration testing
Understanding of application security fundamentals, including OWASP Top 10, secure handling of secrets and user data, and authentication and authorization basics
Good written and spoken English
Preferred: experience with observability tooling such as Prometheus, Grafana, ELK/Graylog, or OpenTelemetry
Preferred: experience with high-load systems and performance profiling
Preferred: experience with cloud platforms such as GCP, AWS, or Azure and infrastructure-as-code
Preferred: experience with NoSQL databases such as MongoDB
Preferred: experience leading technical initiatives or mentoring engineers
Preferred: experience in gaming, e-commerce, fintech, or payments
Preferred: practical, up-to-date experience with modern AI tools such as Claude, Copilot, or Cursor

Benefits

Comp & perks

Medical, dental, and vision coverage
Paid time off (PTO)
Personalized career roadmap
Professional development through training and educational opportunities
Flexible schedule
Employment agreement with entity or EOR arranged per candidate location