Company OverviewAt Bridgenext, we engineer Growth Operating Systems. Most enterprises have spent millions on their revenue stack and still aren't seeing the growth they expected. They have tools that function, but no system that wins. We help growth-hungry companies close that gap by turning fragmented platforms, siloed teams, and disconnected data into one integrated Growth OS. More than a technology company or marketing agency, we're a global digital consultancy with experts in engineering, data, AI, creative and more.At Bridgenext, we engineer Growth Operating Systems. Most enterprises have spent millions on their revenue stack and still aren't seeing the growth they expected. They have tools that function, but no system that wins. We help growth-hungry companies close that gap by turning fragmented platforms, siloed teams, and disconnected data into one integrated Growth OS. More than a technology company or marketing agency, we're a integral digital consultancy with experts in engineering, data, AI, creative and more.Position DescriptionWe are seeking an experienced Senior Full Stack Engineer to join our team in LATAM and assist our financial services client on an automation platform project that serves the fitness and wellness industry.Requests from our clients and product roadmap pile up faster than we ship them — bugs, small features, well-scoped client asks. You'll own that execution stream.You’ll work day-to-day with our Product Owner, who leads design and tactical priorities. Your work comes from a dedicated board with tickets that already have designs, specs, and a clear reason behind them: either a capability that moves the product forward or a direct client request. As you learn the product and codebase, you’ll take on larger projects and eventually run as a parallel stream alongside our senior engineers.This is a role focused on shipping, not just planning. You’ll be responsible for taking well-scoped work from concept to production,



collaborating across the team to ensure quality and impact.Responsibilities Ship product work end-to-end across Rails, React, and React NativeManage task execution and provide daily sync updates with the team on progress and blockersCollaborate across the organization (product, design, support) and sometimes directly with clients to nail down what “done” looks likeSubmit work for code review by our engineers and adhere to our SDLC standardsIdentify and fix technical debt when you encounter it, even if it’s outside the scope of your ticketInvestigate problems rigorously, separating verified facts from assumptionsCommunicate clearly with different roles and stakeholders (engineers, product, clients) About The Team And Working Environment We’re a small team where everyone owns a lot. That means: Real responsibility and high expectationsVery little hand-holding — you’ll be expected to figure things out and ask when you need helpHighly collaborative — we share feedback and ideas often, and we’re not afraid to challenge each otherWilling to refactor at scale — we’ll tear down load-bearing systems to replace them with something betterPride in customer impact — we care deeply about helping our customers run better businessesBias toward simplicity — we build tools that just work, not over-engineered solutions WorkplaceMust be able to support working hours for Ukraine or similar timezone (UTC+2/+3) ) - Could be Romania, Polond, Serbia, Bulgaria (East Europe) Or Spain, Italy, France (1 o 2 hours difference)Core TechnologiesGenerative AI, AI Agents, Vector Databases, Web application (FE+BE). Data Sources: Cosmos DB, Postgres Pg Vector. Algorithms and Models: Open AI embeddings.



Other Technologies: Figma Javascript/HTML/CSSMust Have Skills 5–10 years of professional experience working with code and building at-scale software systemsSolid, production-level experience with Ruby on Rails and ReactFluency with AI coding tools — specifically Claude Code, which we use daily. You should be comfortable and opinion-driven about how to use it effectively and where it adds real valueStrong opinions on what excellent, clean software looks like, with the ability to argue for them constructivelyBias toward action: you fix small things immediately, and for bigger changes you propose a clear path rather than waiting to be toldProduct sense — you care about who uses this and why, not just how it's built Investigative rigor — you separate what you’ve verified from what you’re assuming;

you never let a guess become the reason for a decisionComfort with ambiguity and risk — you’d rather try something and learn than wait for perfect informationAbility to leave code and systems better than you found them, even when it's out of scope Preferred Skills Experience with React Native (we use it for mobile)Hands-on experience with Click House (analytics/data warehousing)Infrastructure as code: Terraform or similarWorking knowledge of AWS and cloud architectureExperience in Saa S or B2 B product teamsBackground working directly with fitness, wellness, or hospitality softwarePublished code or open-source contributions showing your coding style Professional Skills Excellent English communication and leadership skills, with the ability to work collaboratively across teamsStrong problem-solving skills and the ability to troubleshoot complex system issuesStrong organizational and time management skillsMaintains composure during all types of situations and is collaborative by natureHigh standards of professionalism, consistently producing high quality results Bridgenext is an Equal Opportunity Employer#J-18808-Ljbffr

📌 Senior Full-Stack Engineer (Rails, React, Claude Code) (Madrid)
🏢 Bridgenext
📍 Madrid