Staff Full-Stack Engineer

About Us:Onclusive is a world leader in media intelligence technology and services dedicated to supporting PR, Communications and Marketing professionals. We deliver leading-edge innovation, human expertise, and unmatched media reach in a suite of media management, monitoring and analysis solutions that support every stage of the communications cycle. Our unified platform and services enable our customers to make fast, accurate, data-driven decisions about their communications and marketing strategies, allowing them to prove and improve their value.About the Role:We're looking for a Senior or Staff Full Stack Engineer to join one of our teams in our Innovation function, a small, high-impact team building next-generation products and platforms. You'll work across the stack, using Ruby on Rails, , Python, REST APIs, Elasticsearch, and modern front-end frameworks like Vue or React.This is a hands-on technical role with significant design and leadership scope. You'll act as a force multiplier, shaping architecture, mentoring engineers, and contributing to multiple products in parallel. You'll collaborate closely with Product Managers, Architects, and cross-functional teams to deliver robust, scalable, and user-centric solutions that help us move fast without compromising quality.Your responsibilities:Design, build, and maintain high-performance services and APIs using Ruby on Rails, , and Python.Develop intuitive, responsive web interfaces using or React.Architect and evolve distributed systems integrating Elasticsearch, relational databases, and other services.Translate business goals into well-designed, scalable technical solutions.Champion clean code, testing, CI/CD, and engineering best practices across teams.Lead and mentor other engineers, fostering a culture of learning, accountability, and craftsmanship.Influence and contribute to architectural direction and technology decisions across multiple products.Partner with Product and Design to deliver seamless user experiences grounded in technical excellence.Take ownership of features end to end, from discovery through delivery and ongoing production supportWho you are:8+ years of professional full-stack development experience with proven impact on complex, production-grade systems.Deep hands-on expertise in Ruby on Rails and Strong experience designing and integrating RESTful APIs.Proficiency in Python for automation, data handling, or backend services.Solid experience with Elasticsearch (indexing, query design, optimization).Front-end fluency in or React, with a keen eye for performance and UI quality.Demonstrated ability to architect systems, evaluate trade-offs, and scale solutions effectively.A natural mentor and collaborator who helps elevate team capabilities and code quality.Excellent communication skills; you can simplify complexity and align people around solutions.Comfortable operating across multiple products or domains in a dynamic environment.What we offer:We are a global fast growing company which offers a variety of opportunities for you to develop your skill set and career. In exchange for your contribution, we can offer you:Competitive salary and benefitsHybrid working in a team that is passionate about the work we deliver and supporting the development of those that we work withA company focus on wellbeing and work life balance including initiatives such as flexible working and mental health supportWe want the best talent available, regardless of race, religion, gender, gender reassignment, sexual orientation, marital status, pregnancy, disability or age.