Senior Software Engineer (UI)

Senior Software Engineer (UI) at Siepe in Dallas, TX (HQ).

Responsibilities

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• Organize/build a small development team: plan, break down work, review PRs, coach, and drive delivery, all while staying deeply hands-on.
• Build polished Angular dashboards highlight data intelligence tools users have come to expect and reporting flows for portfolio, compliance, and operational analytics.
• Create advanced data exploration experiences using:
• Highcharts (time-series, drilldowns, heatmaps/treemaps)
• AG Grid Enterprise (grouping, pivoting, aggregation, filtering, Excel/PDF export)
• Work across the stack to deliver reporting end-to-end: report-ready datasets → efficient APIs → high-performing UI.
• Partner with backend/data engineers on data modeling, query optimization, and performance at scale (100K+ rows).
• Establish standards for report correctness, validation, auditability, and tenant-specific configuration.
• Build confidence with unit + E2E testing (Playwright) and leverage AI tools to improve velocity and quality.
• Support production readiness: monitoring, logging, triage, and iterative UX/performance improvements.

Requirements

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• 7+ years building and owning end-to-end product features in production.
• Strong Angular (12+), TypeScript, and RxJS skills expert-level UI engineering instincts.
• Proven experience delivering analytics/reporting UIs (dashboards, grids, charting, exports).
• Strong SQL (SQL Server preferred): aggregation, tuning, report-friendly modeling.
• Experience designing/consuming REST APIs and collaborating on contracts/performance.
• Demonstrated ability to lead a small team: coaching, reviews, accountability, delivery focus.
• Clear communicator who can explain tradeoffs to technical and non-technical stakeholders.
• Must have current and ongoing authorization to work in the country of employment without the need for visa sponsorship, now or in the future.
• Technical Stack
• -
• Frontend: Angular 12+ / TypeScript (legacy AngularJS migration in progress), Angular Material
• UI/Visualization: AG Grid Enterprise, Highcharts, D3
• Backend: .NET 10 / C# (ASP.NET Core Web APIs)
• Database: SQL Server
• Tooling: Git, Angular CLI, Webpack, npm/yarn, Playwright
• Nice to have
• -
• Extensive experience using AI tools including Claude, Github Copilot, GSD, BMAD, etc
• Financial services / fintech / investment management experience.
• Portfolio analytics familiarity (performance, attribution, risk) and time-series visualization.
• Experience building self-service report builders or visual query tooling.
• PDF/print workflows and robust Excel export pipelines.
• Contributions to component libraries or design systems.
• Competitive Compensation Packages, including Annual Performance-Based Bonuses
• 401(k) Retirement Plan with company match to support your long-term financial goals
• Employee Referral Program – earn rewards for helping us grow our talented team

Health & Insurance Benefits

• Comprehensive Health, Dental, Vision, and Life Insurance
• Flexible plans tailored to support individuals and families

Learning & Career Growth

• Annual investment in your Learning & Development goals
• On-the-job exposure to innovative technologies and financial strategies
• Growth opportunities in a collaborative, fast-paced environment that values continuous improvement

Time Off & Flexibility

• Flexible Time Off (FTO)
• Flexibility to recharge and maintain work-life balance

In-Office Perks & Culture

• Daily meal delivery allowance when working from the office
• Monthly Celebrations and Quarterly Offsite Events
• Annual Holiday Party to celebrate milestones and build team connection
• A vibrant, inclusive office culture that blends fun with purpose

ALL APPLICANTS MUST HAVE CURRENT AND ONGOING AUTHORIZATION TO WORK IN THE COUNTRY OF EMPLOYMENT WITHOUT THE NEED FOR VISA SPONSORSHIP, NOW OR IN THE FUTURE.

Benefits

Impactful work on problems that matter. Direct visibility into how your contributions affect clients and real input on decisions. Competitive pay, great benefits, and genuine ownership of your work. Teammates who are sharp and collaborative, whether they come from finance, tech, or are charting a new path entirely. You will get to be part of a culture that blends fun with purpose!

At Siepe, we don’t just hire talent, we build performance-driven teams empowered by transparency, curiosity, and continuous growth. Our Total Rewards go beyond the basics: they’re designed to reward bold thinking, support personal development, and create space for meaningful connection whether you're growing your career, your skill set, or your impact.

At Siepe, we don't just hire talent; we build performance-driven teams empowered by transparency, curiosity, and continuous growth. Our Total Rewards go beyond the basics: they're designed to reward bold thinking, support personal development, and create space for meaningful connection - whether you're growing your career, your skill set, or your impact.

• Competitive compensation packages, including annual performance-based bonuses
• Retirement Plan with company match to support your long-term financial goals - 401k or Pension Plans
• Employee Referral Program – earn rewards for helping us grow our talented team
• Comprehensive Health, Dental, Vision, and Life Insurance
• Flexible plans tailored to support individuals and families
• Employee's plan 100% funded by Siepe
• Flexible Time Off (FTO) because life happens and we get it
• Daily meal allowance for in-office days, delivered from local partner restaurants
• Snacks, happy hours, quarterly events and an annual holiday event to celebrate milestones and build team connection
• Dedicated budget to invest in your Learning & Development goals
• Career advancement and on-the-job opportunities to stretch beyond scope and gain exposure to innovative technologies and business strategies

Come be a part of a collaborative, fast-paced environment that values ownership and problem solving and contribute to a vibrant, inclusive office culture that blends purpose with fun!

Siepe is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, marital status, or protected veteran status. If you require an accommodation to participate in our application or interview process, please let us know - we're happy to work with you to make it accessible.

We use AI tools to help review applications, resumes, and assess responses. These tools support our team but don't replace human judgment - all hiring decisions are made by people.

About the Company

WHY SIEPE

Siepe is a profitable, fast-growing technology company helping investment managers turn complexity into clarity. We build software and data solutions that give hedge funds and financial services firms the real-time insights and operational visibility they need to make better decisions faster.

Our clients manage billions in assets and rely on us for their most critical workflows. We're small enough to move fast and listen to every voice, but global enough to serve the world's leading investment firms.

HOW WE SHOW UP

We operate with transparency and are obsessed with solving client problems. We reward curiosity, initiative, accountability, and follow-through. We are built on a foundation of collaboration. You'll grow your skills in cutting-edge fintech alongside people who genuinely care about doing their best.

Siepe is a fast-growing technology company headquartered in Dallas, TX – focused on helping investment managers turn complexity into clarity. We build software and data solutions that give hedge funds and financial services firms the visibility, speed, and confidence they need to make better decisions – faster.

Our platform delivers a unified source of truth that empowers our clients with real-time, actionable insights. We don’t just serve the industry – we help modernize it!

Siepe is profitable, privately held, and growing fast. We offer more than just competitive pay and great benefits—we offer the chance to do impactful work alongside sharp, driven teammates in a culture that rewards curiosity, initiative, and follow-through. Whether you come from finance, tech, or are charting a new path, you’ll find meaningful problems to solve, real ownership, and the momentum to grow your career with purpose.

Siepe is an AI-first development organization building an enterprise financial services platform. We’re hiring a hands-on Senior Software Engineer to own the next generation of our reporting and analytics UI—the dashboards, charts, grids, and self-service exploration tools our users live in every day. This is a full-stack leadership role, but the differentiator is UI excellence: you know how to turn complex data into fast, intuitive experiences. You’ll lead a small squad, ship continuously, and use AI-enabled engineering practices to move faster without sacrificing correctness.