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We are seeking a highly experienced and seasoned Senior Full Stack Engineer to join our cross-functional team as a key individual contributor. This pivotal role requires a balanced expertise in both backend and frontend technologies, with a 50/50 split focused on delivering high-quality, end-to-end software solutions.
You will be expected to drive features from architectural conception through to deployment, working across modern Ruby microservices and scalable React single-page applications. This position demands a high degree of autonomy, strong collaborative skills, and a commitment to code quality, testing, and operational excellence, including contributions to our CI/CD pipelines.
Full-Stack Ownership: Take complete ownership of feature development, encompassing technical design, implementation, comprehensive testing, and eventual deployment across both the frontend and backend.
Backend Engineering (Ruby): Design, build, and maintain efficient, reusable, and reliable code for new and existing backend microservices and APIs using Ruby.
Frontend Development (React): Develop complex user-facing features and enhance existing modern single-page applications using React and its core ecosystem.
API Design: Architect, build, and maintain robust and scalable RESTful APIs to serve the application and external integrations.
Technical Governance & Testing: Contribute significantly to technical design discussions, component architecture, and uphold quality by writing comprehensive unit and integration tests.
DevOps & Deployment: Contribute to the operational excellence of new services, including the occasional setup and configuration of CI/CD pipelines.
Collaboration: Collaborate closely and continuously with product managers, UX/UI designers, and other engineers within an agile and highly autonomous environment.
Problem Solving: Proactively identify performance bottlenecks and bugs across the stack, devising and implementing effective solutions.
Extensive Experience: 8+ years of professional software development experience in a full-stack capacity.
Deep Backend Expertise (Ruby): Demonstrated deep expertise in backend development using Ruby, including significant experience building and maintaining services outside of a large Ruby on Rails monolith.
Strong Frontend Proficiency (React): Strong proficiency in frontend development, specifically with React and its modern component-based architecture.
State Management: Hands-on experience implementing and managing application state using advanced tools like Redux or Redux Toolkit (RTK).
Data & API: Proven experience designing, building, and maintaining scalable RESTful APIs and strong knowledge of PostgreSQL, including basic ORM and query optimization skills.
Containerization & Orchestration: Required hands-on experience utilizing Docker and Kubernetes for containerization, deployment, and orchestration in a production environment.
Quality Commitment: A strong, demonstrable belief in automated testing and extensive experience writing comprehensive unit and integration tests across the stack.
Autonomy & Communication: Proven record of high autonomy, strong ownership, excellent communication, and effective collaboration skills.
Hands-on professional experience with the Ruby on Rails framework.
Familiarity and practical experience with TypeScript in a large-scale React application.
Experience with other backend languages such as Python or Golang.
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About Monks
Monks is the global, purely digital, unitary operating brand of S4Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the world. Its integration of systems and workflows delivers unfettered content production, scaled experiences, enterprise-grade technology and data science fueled by AI—managed by the industry’s best and most diverse digital talent—to help the world’s trailblazing companies outmaneuver and outpace their competition.
Monks was named a Contender in The Forrester Wave™: Global Marketing Services. It has remained a constant presence on Adweek’s Fastest Growing lists (2019-23), ranks among Cannes Lions' Top 10 Creative Companies (2022-23) and is the only partner to have been placed in AdExchanger’s Programmatic Power Players list every year (2020-24). In addition to being named Adweek’s first AI Agency of the Year (2023), Monks has been recognized by Business Intelligence in its 2024 Excellence in Artificial Intelligence Awards program in three categories: the Individual category, Organizational Winner in AI Strategic Planning and AI Product for its service Monks.Flow. Monks has also garnered the title of Webby Production Company of the Year (2021-24), won a record number of FWAs and has earned a spot on Newsweek’s Top 100 Global Most Loved Workplaces 2023.
We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.