22.10.2026 aktualisiert
100 % verfügbar
Senior Ruby on Rails Engineer | Backend & API Specialist
Narva, Estland
Nur Remote
B.S. in Computer ScienceSkills
APIsPostgreSQLRuby On RailsRedisRubyRspecBackendBackend-programmierung
Ruby on Rails & REST API Development
Expertise in designing and building high-performance Ruby on Rails applications and RESTful APIs, including microservices for international clients and public sector initiatives.
PostgreSQL Database Management
Deep knowledge of PostgreSQL database management, including safe zero-downtime schema migrations, query optimization, and indexing strategies to reduce API response times and database load.
Automated Testing & TDD
Strong background in test-driven development (TDD) using RSpec, writing comprehensive automated test suites and establishing CI/CD pipeline testing standards across remote engineering teams.
Background Job Processing
Solid experience implementing resilient asynchronous background job processing architectures using Sidekiq and Active Job for large-scale data workflows.
GraphQL
Proficiency in GraphQL as part of the frameworks and languages skill set, applied in backend application development.
Python
Knowledge of Python as an additional programming language supporting backend and data service development.
DevOps & CI/CD Pipelines
Hands-on experience with Git, CI/CD pipelines, and Docker, supporting continuous integration and delivery in Agile, fully remote engineering teams.
Redis & Caching
Familiarity with Redis as part of the database and storage stack, supporting caching and background job queue management.
Agile/Scrum Methodologies
Proven track record of delivering robust digital services within Agile and Scrum delivery teams, including collaborative code reviews and iterative development cycles.
Public Sector Digital Services
Experience building compliant public sector and enterprise applications, with knowledge of digital service standards applicable to government and regulated industries.
Expertise in designing and building high-performance Ruby on Rails applications and RESTful APIs, including microservices for international clients and public sector initiatives.
PostgreSQL Database Management
Deep knowledge of PostgreSQL database management, including safe zero-downtime schema migrations, query optimization, and indexing strategies to reduce API response times and database load.
Automated Testing & TDD
Strong background in test-driven development (TDD) using RSpec, writing comprehensive automated test suites and establishing CI/CD pipeline testing standards across remote engineering teams.
Background Job Processing
Solid experience implementing resilient asynchronous background job processing architectures using Sidekiq and Active Job for large-scale data workflows.
GraphQL
Proficiency in GraphQL as part of the frameworks and languages skill set, applied in backend application development.
Python
Knowledge of Python as an additional programming language supporting backend and data service development.
DevOps & CI/CD Pipelines
Hands-on experience with Git, CI/CD pipelines, and Docker, supporting continuous integration and delivery in Agile, fully remote engineering teams.
Redis & Caching
Familiarity with Redis as part of the database and storage stack, supporting caching and background job queue management.
Agile/Scrum Methodologies
Proven track record of delivering robust digital services within Agile and Scrum delivery teams, including collaborative code reviews and iterative development cycles.
Public Sector Digital Services
Experience building compliant public sector and enterprise applications, with knowledge of digital service standards applicable to government and regulated industries.
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2019
Sprachen
EnglishMuttersprache
Projekthistorie
Architecting and developing core Ruby on Rails features, high-throughput REST APIs, and microservices for international clients and public sector initiatives. Managing complex PostgreSQL database schema changes with safe zero-downtime migrations, implementing background job processing using Sidekiq and Active Job, and maintaining high test coverage with RSpec.
Engineered secure backend web applications, REST APIs, and microservices powering enterprise client services across European markets. Optimized heavy PostgreSQL queries and database indexing strategies, reducing API response times and database load by 30%. Led test-driven development (TDD) efforts using RSpec and established CI/CD pipeline automated testing standards across remote engineering teams.
Built automated web services, APIs, and background processing workers handling large-scale data workflows. Optimized data retrieval latency by 25% through efficient PostgreSQL indexing, Active Record query tuning, and background worker queue management. Enforced code quality and system reliability through automated testing and collaborative Agile code reviews.