
Real job — pulled straight from ION’s careers page · Verified July 18, 2026 · No reposts.
Job description
ION is hiring a Senior Web UI Developer — a full-time, based in Mexico City role. Apply directly on ION's careers page below.
Senior Web UI Developer (React), Mexico City
Team: Software Engineering
Location: Mexico City
Commitment: Full-time (hybrid)
Workplace Type: hybrid
Responsibilities:
- Act as a hands-on engineer and architect and to support work across the UI & Mobile 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 working with all other practices to ensure successful project outcome.
- Lead engineers and stakeholders to ensure appropriate progress and results; must be commercial in approach.
- Develop strong relationships with clients as a strategic partner and technical advisor, helping us to 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 (scope, structure, deliverables) 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.
- People Management, including coaching, mentoring and performance management of employees may be included in this role.
- Office presence in central Mexico City (M. Juarez) 1 day a week (or more, if required)
Required Skills and Experience :
- 7+ years of commercial-grade web/front-end development experience.
- Strong experience in modern JavaScript, ideally TypeScript, building web applications with React
- Solid skills interacting with multiple types of API formats, preferably REST and GraphQL, but additional skills with Websockets would be 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 & wireframing and take responsibility for delivering high-quality implementations.
- Experience with Agile development methodologies.
- Strong interpersonal and organizational skills.
- Demonstrable team leadership experience.
- Knowledge of, and strong demonstrated interest in, global financial markets and financial products is a strong plus.
- Bachelors or Masters in Computer Science, Engineering, Physics, Math, or related work experience.
- Excellent communication skills
- 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.
- Experience in capital markets, specifically buy side investment management.
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Frequently asked questions
What skills are required for Senior Web UI Developer at ION?
The required skills for Senior Web UI Developer at ION include: JavaScript, TypeScript, React, REST, GraphQL, Agile, Excel, Salesforce, Databricks.
What is the seniority level for Senior Web UI Developer at ION?
Senior Web UI Developer at ION is a Senior level position.
How do I apply for Senior Web UI Developer at ION?
You can view the full description and apply for Senior Web UI Developer at ION on EchoJobs: https://echojobs.io/job/ion-senior-web-ui-developer-react-mexico-city-00vav.