Senior Web UI Developer

Senior Web UI Developer (React), Mexico City Lab49 is an NYC-based global specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We are seeking a Senior Web UI Developer to work with our clients in the high frequency trading space. Your close collaboration with both our existing team and our client’s team is essential to make progress against an existing backlog of work for a custom trading UI, and to manage the ecosystem of UI products in our client’s tech environment. Responsibilities Act as a hands‑on engineer and architect and support work across the UI Engineering Practice; from small initiatives all the way up to the design and build of complex systems. Lead and participate in projects directly, serving as a role model for project teams and collaborating with all other practices to ensure successful project outcomes. Develop strong relationships with clients as a strategic partner and technical advisor, helping us expand our footprint and secure follow‑on work. Partner with and support the business development team to create and deliver compelling pitches that help define the problem, captivate the client, present a solution, and work out the engagement terms. Build and reinforce your professional network through active engagement in industry events, public speaking opportunities, etc. Provide thought leadership for the UI & Mobile Engineering Practice and actively encourage learning and development. Help drive the ongoing effort to find, attract, interview, and hire top software engineering talent. Office presence in central Mexico City (M. Juarez) 1 day per week. Required Skills and Experience 7+ years of commercial-grade web/front‑end development experience. Solid skills interacting with multiple types of API formats, preferably REST and GraphQL, and additional experience with Websockets is desired. Contribute to the design process from gathering requirements, planning and ideating from the start of a project. Demonstrate an understanding of user behavior and how to tailor web experiences to meet the needs of users. Work with designers and other partners to collaborate on design and wireframing and take responsibility for delivering high‑quality implementations. Experience with Agile development methodologies. Strong interpersonal and organizational skills. Knowledge of, and strong demonstrated interest in, global financial markets and financial products is a strong plus. Bachelor’s or Master’s in Computer Science, Engineering, Physics, Math, or related work experience. Excellent command of written and spoken English. Bonus Points Experience working with common financial products such as Bloomberg, Symphony, or other tools commonly used in a finance context such as Excel, Salesforce, Databricks, and others would be an advantage. Experience in capital markets, specifically buy‑side investment management, would be an advantage. Why Lab49? Lab49 is an established partner for most financial institutions on Wall Street. You will gain exposure into a variety of environments, business domains, technologies, and people. Your ability to bring drive and creativity to the role will be the key component to success at Lab49. The broad and intense exposure to a variety of challenges accelerates your career growth, and Lab49’s structure is designed to enable you to learn and grow as an engineer and consultant. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high‑speed automation, enterprise UX and digital distribution, DevOps, cloud and data science. Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier‑one investment banks and many of the largest buy‑side firms globally. Being part of Lab49 means bringing your drive and creativity into an environment where your contributions will make immediate impact. Engineers work in cross‑functional teams, consulting directly with our clients, shaping not only technical solutions to business problems but delivering them into production. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Consulting Industry IT Services and IT Consulting and Software Development #J-18808-Ljbffr