Senior Developer

Catapult Federal Services; Dallas (TX); Remote; USD 140,000 - 180,000; Full time

Job summary

Catapult Federal Services seeks a Senior Software Engineer to own both mobile and web within a unified patient-facing digital platform for a large healthcare client.

This role requires shipping React Native features and React web experiences as equal parts of your day-to-day, in a cross-functional squad that values senior judgment.

Qualifications

• 5+ years of software engineering experience.
• Production React Native mobile development.
• Production React web development.
• Advanced English communication with US stakeholders.
• Located in Mexico, CST-aligned hours.

Responsibilities

• Build mobile experiences in React Native for iOS and Android.
• Develop React web applications alongside mobile.
• Integrate APIs and cross-system workflows in a full-stack squad.
• Write clean, tested production-ready code with thorough PR reviews.
• Contribute to CI/CD, automated testing, and observability practices.

Skills

React Native

React Web

Advanced English

Cross-functional Collaboration

Tools

Azure

Epic EHR

FHIR

Job description

Senior Software Engineer – Mobile & Web

Contract (1-Year, Option to Convert) | Remote – CST Hours
Nearshore (Mexico)

About The Role

We're building a unified patient-facing digital platform for a large enterprise healthcare organization — and we need a Senior Software Engineer who owns both mobile and web. This isn't a mobile-only or web-only role. You'll be shipping React Native features and React web experiences as equal parts of your day-to-day, working inside a cross-functional squad that moves fast and expects senior-level judgment, not just senior-level execution.

IT Dallas , TX Contract Aug 27, 2026

What You'll Be Building

• Patient-facing mobile experiences in React Native across iOS and Android
• React web applications as an equal contribution alongside mobile
• API integrations and cross-system workflows as part of a full-stack squad
• Clean, tested, production-ready code with thorough PR reviews
• CI/CD pipelines, automated testing, and observability practices that the whole team relies on

What We Expect From You

• You work directly with Product — not just receiving requirements but shaping them. Story refinement, sprint estimation, feasibility pushback when needed.
• You coordinate with other squads. You understand that your work affects other teams and you manage those dependencies proactively.
• You contribute to architecture discussions. You have opinions about how systems should be designed and you can articulate the tradeoffs.
• You own your delivery. Sprint commitments, production readiness, post-launch support — all yours.
• You navigate ambiguity. When requirements are unclear you ask the right questions, not the wrong ones.

Required

• 5+ years of software engineering experience
• Production React Native mobile development — you've shipped apps to the App Store and Google Play
• Production React web development — mobile and web in the same role, not one or the other
• Advanced English — you're presenting tradeoffs to product stakeholders and coordinating with US-based engineering leads daily
• Located in Mexico — nearshore, CST-aligned hours

Nice to Have

• C# and Azure experience
• Healthcare or regulated industry background
• Epic / EHR / FHIR integration experience
• AI-assisted development tools (GitHub Copilot, Claude Code, agent workflows)
• Interest in growing into a technical or engineering lead role