Senior Full Stack Web Developer

Readdle; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Readdle is seeking a skilled backend engineer to build and evolve backend services and web applications for a shared platform. You’ll own work from design through deployment and production monitoring, while improving existing systems and supporting product and internal teams.

You will design secure REST APIs and microservices, mentor cross-functional teams, and help shape engineering practices and platform libraries. Remote work is available with international locations.

Qualifications

• At least five years of experience building and scaling web applications.
• Strong working knowledge of Symfony and React.js.
• Experience building and maintaining REST APIs and microservices, including API versioning and event-driven designs.

Responsibilities

• Develop reliable backend services and responsive web applications with emphasis on availability and performance.
• Own delivery from planning and API design through testing, release, and production monitoring.
• Refactor legacy code, reduce technical debt, and contribute to architectural improvements.
• Design and maintain secure REST APIs and microservices with dependable communication between systems.
• Document systems and establish coding practices that improve maintainability and knowledge sharing.
• Advise cross-functional teams on technical choices and integrations balancing product needs with scalability.

Skills

Symfony

React.js

REST APIs

Docker

API Design

Tools

Kubernetes

Terraform

Google Cloud Platform

Job description

Role overview

Build and evolve backend services and web applications for a shared platform. You’ll own work from design through deployment and production monitoring, while improving existing systems and supporting product and internal teams.

Responsibilities

• Develop reliable backend services and responsive web applications, with attention to availability, performance, and integration with core systems.
• Own delivery from technical planning and API design through testing, release, and production monitoring.
• Refactor legacy code, reduce technical debt, and contribute to architectural improvements.
• Design and maintain secure REST APIs and microservices, including dependable communication between systems.
• Document systems and establish coding practices that improve maintainability and team knowledge sharing.
• Advise cross-functional teams on technical choices and integrations, balancing product needs with scalability and simplicity.

Requirements

• At least five years of experience building and scaling web applications.
• Strong working knowledge of Symfony and React.js.
• Experience building and maintaining REST APIs and microservices, including API versioning and event-driven designs.
• Hands-on Docker experience and the ability to manage work independently from planning to production.
• Clear communication and effective collaboration with engineering and cross-functional partners.

Nice to have

• Experience with Kubernetes, Terraform, infrastructure as code, or Google Cloud Platform.
• Familiarity with security practices, OAuth2, JWT, SAML, or data protection requirements such as GDPR.
• Background in B2B or SaaS products, especially dashboards, subscriptions, entitlements, or licensing integrations.
• Experience working with principal architects or contributing to shared design systems and platform libraries.

Benefits and work setup

The role is listed as remote, with Kyiv and Warsaw also named as locations. The team emphasizes ownership, collaboration, customer focus, and opportunities to shape engineering practices and architecture.