Senior Frontend Engineer
AgileEngine
Senior Frontend Engineer
AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! We are looking for a Senior Frontend Engineer to build personalized, high-complexity email templates and reusable components using React, TypeScript, and Apache Velocity, integrating live API data to deliver dynamically populated, production-ready email experiences. You will translate Figma designs into modular, scalable code frameworks within an internal email platform, develop responsive email experiences, and build lifecycle marketing audiences using SQL and custom APIs. You will also collaborate with Design Systems to evolve the platform toward a modern, modular, AI-assisted self-service architecture.
- Build personalized, high-complexity email templates, as well as reusable product-specific components by consuming data from various APIs and injecting it seamlessly into email UI logic. Reusable components will be built in React, Velocity, and any external email tool.
- Unblock the immediate pipeline of complex, data-heavy campaigns that require engineering depth beyond static layouts.
- Turn Figma files into modular, responsive, and reusable code components within our email tools.
- Create and optimize lifecycle marketing campaign audiences using complex SQL queries and custom APIs.
- Reduce reliance on external engineering and partner team priorities that build campaigns in the internal email platform.
- Collaborate with Design Systems to transition the team toward a modern, modular, and AI-assisted self-service architecture.
- Deliver production-ready, dynamically populated email templates—often utilizing Apache Velocity JS code (e.g., automated summaries, ROI dashboards) powered by live API data.
- Build clean, scalable code frameworks within the internal email tool that pull directly from internal data sources.
- Ensure fully validated A/B testing setups with complete data and measurement tracking integrity.
MUST HAVES
- Bachelor's degree in Computer Science, Engineering, or a related field with 4+ years of related experience, OR a Master's degree with 3+ years of experience.
- Your most recent role on your resume should be as a Software Engineer with a front-end focus. This role prioritizes strong software engineering principles over traditional email production.
- Robust front-end development experience using modern web technologies (React is highly prioritized, TypeScript, and JavaScript).
- Proven experience integrating user interfaces with backend platforms, ideally for email-specific purposes.
- Strong command of Apache Velocity (VTL) and Macros (#set, #if, #foreach, #define), understanding how components compose into full templates.
- While Apache Velocity is preferred, candidates without direct Velocity experience will be considered if they have strong hands-on experience with server-side templating technologies, with a proven ability to architect, write, and implement complex template logic and reusable macros from scratch.
- Mastery of hand-coding highly responsive, accessible HTML/CSS optimized to bypass the rendering limitations of email clients (Outlook, Gmail, Apple Mail).
- Experience working with scalable design systems, building and using shared components over one-off layouts.
- Strong architectural judgment on when to extend an existing component versus when to build a new one.
- Highly fluent with Git (GitLab/GitHub), the command line, and modern IDEs (e.g., Cursor, Windsurf, VS Code).
- A/B testing setups with complete data and measurement tracking integrity.
- Creating and optimizing lifecycle marketing campaign audiences using complex SQL queries and custom APIs.
- Upper-intermediate English level.
NICE TO HAVES
- Past experience in email development is valued, but remains secondary to strong, core front-end engineering principles.
- Practical experience leveraging AI developer tools (such as Cursor, Windsurf, Claude, or AI-driven code fixes) to accelerate development and operational workflows.
- Prior exposure to component internationalization (i18n) and localization frameworks.
- Familiarity with Figma, specifically for translating designs into modular code components.
- Basic understanding of AWS primitives (compute, storage, networking, IAM).
- Experience with Infrastructure-as-Code tooling (e.g., Terraform) and CI/CD pipelines (e.g., GitLab CI).
PERKS AND BENEFITS
- Growth without limits: build your skills through mentorship, internal TechTalks, challenging projects, and a dedicated annual learning budget.
- Competitive compensation: get recognition that reflects your skills and impact, with regular performance and compensation reviews.
- Flexibility: work 100% remotely with flexible hours that support focus, autonomy, and a healthy work rhythm.
- Meaningful, modern projects: build impactful products using modern technologies alongside global teams and leading brands.
- Collaborative culture: join a supportive environment with zero micromanagement where ideas are welcomed and contributions are recognized.
- Well-being & support: access local well-being programs and people-focused support tailored to your location
- ...In this role, you will lead the frontend engineering at Umbrel, and own major product surfaces in umbrelOS (web UI), our first-party apps, and our website. We hope you are someone who: Treats Figma as a contract you’ll honor in code, and you’ll improve it when the...SeniorFull timeContract work
- ...We’re looking for a senior frontend engineer to design and build the interfaces for AI teammates in finance. You’ll create intuitive, high-signal experiences that make complex systems understandable, controllable, and trustworthy in real workflows. What you’ll do...SeniorFull time
$244k - $292k
...relationships. Yes, you can build an exciting business AND have real-life real-customer impact. The Role: We’re looking for a Senior Frontend Engineer to help shape the future of our flagship credit building product — the engine behind our mission to help millions of...SeniorFull timeLocal area- ...We are seeking a Senior Frontend Engineer to join our core team. In this role, you’ll take ownership of designing and building the user-facing components of our AI-native cloud platform. You’ll architect scalable, high-performance web interfaces that make complex cybersecurity...SeniorFull time
- ...of what’s going on under the hood can undermine the trust that the technology is designed to ensure. We are looking for a Senior Frontend Engineer for the Slush Wallet who can navigate this tension with rigor and good taste. Slush is a cross-platform application built...SeniorFull timeRemote work
- ...building the AI-powered systems that will redefine how companies manage their people. This is a senior, hands-on engineering role — you will own major pieces of our frontend architecture, push the boundaries of design system implementation, and ensure a world-class...SeniorFull time
$180k - $220k
...Graphite builds consumer-quality tools for modern software engineering teams, so they can ship faster and create amazing products. Our... ...Role Graphite is growing rapidly, and we're looking for a senior front end engineer to help us define the company’s technical...SeniorFull timeRelocationRelocation package$180k - $235k
...by some of Silicon Valley's top investors. Role Overview: We are searching for a highly intelligent and innovative Frontend Software Engineer to join our team. At Sleeper, we believe in the power of smart, creative individuals to drive change and build incredible...SeniorFull time- ...thousands of clinicians, and we're just getting started. The frontend is where clinicians meet Roger. They use us in the field,... ...voice while their hands are busy. We are now looking for a Senior Frontend Engineer to own that experience across mobile and web: building fast...SeniorFull timeRemote workFlexible hours
- ...voice superintelligence. To achieve this, we need more great engineers. The work affects millions of people every day and our... ...founders More About the Role We’re seeking a seasoned Senior Frontend Engineer with deep prior experience with building functional...SeniorFull timeWork at officeRemote work
$150k - $180k
...General Atlantic and Menlo Ventures, supercharged by scalable engineering and AI skills from companies including Amazon, Hugging Face and... ...'s largest and most critical financial organizations. As a Frontend Engineer, you will be responsible for designing and building the...SeniorFull timeInternshipRemote work- ...Position Summary We’re hiring a Senior Frontend Engineer who is both opinionated and design-oriented. You will own end-to-end delivery of interfaces: architecture, performance, accessibility, and the actual UX. If you care as much about micro-interactions as data loading...SeniorPermanent employmentFull timeWork at officeMonday to Friday
- ...About the Role At Ravenna, we are looking for a Senior Frontend Engineer who cares deeply about building high quality web experiences. You will be responsible for designing and implementing the user interfaces that power Ravenna’s core product. This role requires...SeniorFull timeFlexible hours
$175k - $225k
...entire therapeutic lifecycle. The Role & Your Mission We're building a collaborative document platform and we need a Senior Frontend Engineer who obsesses over craft, usability, and shipping things that genuinely work for customers. You'll thrive here if you...SeniorFull timeWork at officeRemote work- ...growth and recently raised a $15M Series A led by Footwork Ventures and Y Combinator to accelerate our momentum. As a Senior Frontend Engineer, you will own the design and development of the user-facing experience of the Confido platform. You’ll build intuitive,...SeniorFull timeLocal areaRelocation package
$150k - $230k
...to run critical operations with speed, control, and confidence. About the Role What You'll do Architect and build core frontend for our collaborative cloud platform. Own technical roadmap of features as they related to the customer facing experience. Create...SeniorFull timeWork at officeImmediate startRelocation packageFlexible hours$160k - $250k
...in our San Francisco, Seattle, and Delhi offices. Please reach out if you are interested in joining the future of AI! Senior Frontend Engineer Frontend Engineers are an essential part of the Hive Data and Hive Enterprise products. Working closely with designers...SeniorFull time$180k - $240k
...the outcome every day. About the Role: You'll own the frontend of Sauna: shipping interfaces that feel instant, intuitive, and... ...Workers. Who You Are: Minimum: ~4+ years of frontend engineering with a portfolio of complex web apps you've shipped. We want to...SeniorFull timeWork at officeLocal areaRelocationVisa sponsorship- ...tackle the user experience, allowing protocol teams to focus on innovation and security while we focus on access. As a Senior Frontend Engineer at Legend Labs Inc. you'll help realize the vision by delivering high-end user experiences that scale across all our...SeniorFull timeWork at officeFlexible hours
$180k - $226k
...internet. We’re looking for an enthusiastic, self-motivated frontend engineer to help us build the next generation of financial products.... ...several engineers with minimal day-to-day assistance from more senior engineers or managers Rapidly implement functional UI...SeniorFull timeRemote workHome office$140k - $210k
...Software Driven Fabrics to increase GPU cluster utilization Clockwork Systems was founded by Stanford researchers and veteran systems engineers who share a vision for redefining the foundations of distributed computing. As AI workloads grow increasingly complex, traditional...SeniorFull time- ...Our team works closely with product and engineering teams across Roblox to bridge this gap by... ...the Roblox website and app. As a Senior Software Engineer , you will craft robust... ...high-traffic surfaces. While you are a frontend expert at heart, you are a versatile engineer...SeniorFull timeWork from home
- ...and collaborate with some of the most talented people in the industry. Rockstar Games is seeking a talented and experienced Frontend Engineer with a focus on the “back of the frontend” to join our online development team. This role will involve a solid understanding...SeniorFull timeWork at officeWorldwide
$150k - $230k
...versioning of schema and data changes, and workflows you compose like infrastructure code. What you'll do Architect and build core frontend for our collaborative cloud platform. Own technical roadmap of features as they related to the customer facing experience....SeniorFull timeWork at officeImmediate startRelocation packageFlexible hours- ...of us. About the Role We’re looking for a seasoned engineer and frontend technical lead - someone who can design and ship complex product... ...with the systems our customers rely on. We’re a small, senior team building Siteline - a billing platform for the...SeniorFull timeFor contractorsWork at officeRemote work
- ...Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to to ship AI products. THE ROLE We’re looking for a Senior Frontend Engineer to craft performant and delightful user experiences across Baseten’s core...SeniorFull timeFlexible hours
- ...that holds a high bar for itself — keep reading. Software engineers at Socure are integral members of product-focused teams that... ...business outcomes and providing world-class user experiences. As a Senior Frontend Engineer, you will be instrumental in building intuitive,...SeniorFull time
- ...mission is to deliver seamless, high-performance experiences that drive success for our clients. The role: As a Senior Front-End Software Engineer, you’ll play a critical role in shaping our platform’s user interface and enhancing the overall user experience. You’...SeniorFull timeRemote workFlexible hours
- ...Design, develop, and enhance highly scalable, performance-driven frontend solutions that power our growth funnels, landing pages, and... ...access and safeguarding critical data. Who You Are Seasoned Engineer: You have a solid foundation in TypeScript and front-end...SeniorFull timeWorldwideFlexible hoursShift work
$1,000 - $2,030 per month
...affordable, and joyful lunch experience that benefits both employees and employers. About the role We're seeking a Senior Frontend Engineer who thrives in ambiguity, embraces a fast-paced environment, and wants to work across the stack—from platform architecture...SeniorFull timeTemporary workWork at officeLocal areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Frontend Engineer. Be the first to apply!
- junior frontend developer United States
- front end web developer part time United States
- front end javascript engineer United States
- senior frontend developer United States
- react front end developer United States
- front end web developer United States
- front end engineer United States
- front end developer contract United States
- front end developer no experience United States
- front end developer internship remote United States

