Senior Front-End Software Engineer; Mid–Senior - React, TypeScript, SSR; Next.js

Senior Front-End Software Engineer (Mid–Senior) - React, Type Script, SSR (Next.js) page is loaded## Senior Front-End Software Engineer (Mid–Senior) - React, Type Script, SSR (Next.js) locations:
Union, NJtime type:
Full time posted on:
Posted Todayjob requisition :
R37467

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology.
** Job Description
** Senior Front-End Software Engineer  
** Location**:
** Union, NJ | Hybrid*
* ** Get To Know The Team:
** As a Senior Front-End Software Engineer, you’ll build user-facing features that are performant, accessible, and reliable. You will use
** React, Type Script, and Next.js
** to deliver SSR/SSG/CSR solutions, contribute to our design system, and ship through modern CI/CD. Senior engineers will drive technical decisions and mentor peers.##
** Why You Will Love It Here!
*** Flexibility:
Hybrid Work Model & a Business Casual Dress Code, including jeans
* Your Future: 401(k) Matching Program, Professional Development Reimbursement
* Work/Life Balance:
Flexible Personal/Vacation Time Off, Sick Leave, Paid Holidays
* Your Wellbeing:
Medical, Dental, Vision, Employee Assistance Program, Parental Leave
* Wide Ranging Perspectives:
Committed to Celebrating the Variety of Backgrounds, Talents, and Experiences of Our Employees
* Training:
Hands-On, Team-Customized, including SS&C University
* Extra Perks:
Discounts on fitness clubs, travel, and more!## ##
** What You Will Get To Do:**
* ** Feature delivery:
** Implement end-to-end user stories in React/Type Script with clean, testable code and responsive, accessible UI.
* ** Rendering strategy:
** Apply
** SSR/SSG/CSR
** appropriately (Next.js App Router, React Server Components/streaming) to balance SEO, performance, and complexity.
* ** Performance:
** Optimize for Core Web Vitals (LCP, INP, CLS); use code-splitting, lazy loading, caching, image optimization, and efficient state management.
* ** Design system:
** Build and maintain reusable components and tokens; document usage in Storybook; support theming and cross-app reuse.
* ** Quality & CI/CD:
** Add unit/e2e tests (Jest/Vitest, Playwright/Cypress), participate in reviews, and ship via automated pipelines (type checks, lint, a11y, visual regression).
* ** Accessibility (a11y):
** Ensure semantic HTML, ARIA, keyboard navigation, focus management, and contrast meet
** WCAG 2.2 AA**.
* ** APIs & data:
** Collaborate with Backend on REST/Graph

QL contracts; implement data-fetching patterns (React Query/Tan Stack, SWR) and error/empty states.
* ** Observability:
** Instrument telemetry (Open Telemetry/console events), track client error rates and performance dashboards, and iterate based on data.* **(Senior) Tech leadership:
** Lead design docs/RFCs, make framework/library trade-offs, guide code reviews, and mentor junior/mid engineers.##
** What You Will Bring:**
* ** Mid-level:
** 3–5 years building production web apps with
** React**,
** Type Script/JavaScript**, HTML, and CSS.
* ** Senior:
** 5–8+ years, including leading feature delivery across services/teams and mentoring peers.
* Strong grasp of web performance (network, rendering, hydration), state management (React Query/Redux/Zustand/Signals), and API consumption (REST/Graph

QL).
* Hands-on with testing (Jest/Vitest, Playwright/Cypress) and CI/CD.
* Practical accessibility skills (semantic HTML, ARIA, screen readers, focus, contrast).##

Preferred Qualifications:

* ** Next.js** (App Router), React Server Components, streaming, and incremental static regeneration.
* Experience with
** design systems** (tokens, Storybook), visual regression testing, and component governance.
* Micro-frontends (Module Federation) or monorepo tooling (Nx/Turborepo).
* Internationalization (i18n) at scale.
* Observability (Sentry, Open Telemetry, New Relic) and experimentation/analytics.
* Edge runtimes/CDN strategies (Vercel/Cloudflare), plus familiarity with Web Assembly/WebGL…