Software-Engineer, Frontend-Engineer, Web-Developer Jobs

Senior/Staff Software Engineer (Interactives)

Company: Brilliant
Location: Remote (United States or Canada); offices in San Francisco and New York
Compensation: $180,000 - $250,000 + competitive equity
Employment Type: Full-time
Visa Sponsorship: Not available

About Brilliant

Brilliant is building the world's first graphical AI tutor: interactive learning experiences that both the learner and the AI tutor can see and manipulate, designed to get people to actually think and solve hard problems in math, science and programming. It reaches 10M+ learners and serves hundreds of thousands of paid subscribers.

Founded in 2012 and backed by Social+Capital, 500 Startups, Kapor Capital and Learn Capital, Brilliant is profitable ("default alive"). Its small, AI-enabled engineering team includes former founders, early Google Brain and OpenAI engineers, and former VPs of Engineering at public companies.

The Role

This role is on the Inner Loop team, which owns the interactive learning experiences and the AI tutor. You will build the interactive building blocks behind those experiences: composable primitives that learning designers, authoring agents and the tutor can use to compose and extend lessons. Every interactive exposes an API used by humans and AI, and every configuration must be a correct, solvable, meaningful puzzle. The work is rendering-heavy, mostly in Elm with significant TypeScript, and the team adopts AI tooling aggressively.

What You Will Do

• Build new interactive building blocks that make foundational concepts engaging to master.
• Design clear, expressive APIs for learning designers, the content agent and the AI tutor.
• Own learning experiences end to end on a cross-functional pod with Product, Design and Content.
• Solve complex web rendering and performance problems in an environment closer to a game engine than a typical web app.
• Write simple, robust, readable code that teammates and LLMs can extend.

What You Bring

• 7+ years of professional web-focused software engineering, ideally including game development, animation or interactive media
• Depth in complex web rendering and performance: browser APIs, canvas, and the web as a platform
• A portfolio of interactive web work you built independently (experiments, games, explainers or rendering projects)
• The ability to explain both the technical underpinnings and the user and business impact of your work
• Constant, intentional use of AI tools, with a clear point of view on effective AI-enabled engineering

Nice to Have

• Elm, Haskell or other functional languages, or a clear appetite to learn
• Teaching or education-tools background
• Early-stage experience on interactive canvas products (whiteboards, design tools)
• Startup or founding experience

Benefits

Medical, dental and vision premiums covered 100%, flexible PTO (about six weeks a year by team norm), home office equipment, a professional development stipend, free food at the SF and NYC offices, and a transparent compensation framework.

Originally posted on Himalayas

Your Future Evolves Here

Position Summary

The Lead Software Engineer leads the design, development, and delivery of the web user experience for the Evolent Platform. This role defines the front-end architecture and technical strategy for a React and Next.js (TypeScript) application that consumes Pydantic AI agents over the AG-UI protocol and ensures the agent-to-human handoff is fast, accessible, secure, and auditable.

This individual provides technical leadership and mentorship to a team of front-end engineers, sets the standards others follow, and partners with architecture, agent, platform, design-system, and product teams to prioritize work and deliver on schedule. The role is expected to use approved AI-assisted tools to accelerate delivery and improve quality while remaining fully accountable for every result delivered.

AI-Assisted Engineering Expectations

Evolent engineers are expected to effectively leverage approved AI-assisted development and productivity tools (e.g., code assistants, copilots, automation agents, knowledge assistants, and analytics tools) to improve quality, efficiency, and innovation while maintaining accountability for all delivered work. These expectations span the full engineering lifecycle, not only code generation, including iterating with AI on solution design and architecture, evaluating alternatives, revising existing architecture, and producing design artifacts. Engineers remain responsible for validating outputs, ensuring solution quality, protecting sensitive information, and complying with security, privacy, regulatory, and Responsible AI standards.

Key Responsibilities

Technical Leadership and Delivery

• Lead the design, development, and delivery of the agent-to-human handoff experience, ensuring alignment with business goals, product requirements, and regulatory decision timeframes.
• Provide technical leadership and mentorship to the front-end engineering team, fostering a collaborative and productive development environment.
• Oversee the full front-end development lifecycle, from initial concept to production deployment and ongoing maintenance.
• Collaborate closely with product managers, UX designers, clinical stakeholders, and other engineers to prioritize work, set timelines, and deliver features on schedule.

Front-End Architecture and Standards

• Define and implement the React and Next.js architecture, including Server and Client Component boundaries, an opt-in caching standard, and read-your-writes behavior for decision forms.
• Establish the self-hosting standard for Next.js as containers on AKS, avoiding hosting-specific features that limit portability.
• Define the backend-for-frontend (BFF) pattern and the integration approach for .NET (C#) and Python (FastAPI) services, and Entra ID / OpenID Connect authentication.
• Partner with design-system owners on a technology-agnostic design token layer and a single Material-based theme across component libraries (e.g., KendoReact, MUI).
• Own npm supply-chain controls, including SBOM generation, pinned lockfiles, dependency allow-lists, and scanning through GitHub Actions, CodeQL, Dependabot, and JFrog Xray.
• Conduct code reviews and ensure adherence to coding standards, accessibility requirements, and security guidelines.
• Plan and lead framework and library upgrades, including annual Next.js major-version migrations.

Agentic User Experience

• Architect streaming user interfaces (SSE) that render agent narratives, tool calls, citations, and generative UI using the Vercel AI SDK, assistant-ui, and CopilotKit over the AG-UI protocol.
• Define the AG-UI event contract with the agent team, including shared state, frontend tools, and human-in-the-loop approval interrupts raised by Pydantic AI tools that require approval.
• Design human-in-the-loop patterns that let reviewers approve, modify, or override agent recommendations with structured rationale that supports the audit trail.
• Establish patterns for slow, interrupted, or failed agent calls, including resumable streams, retries, timeouts, and clear status for the reviewer.
• Lead delivery of data-heavy screens, including large sortable and filterable grids, PDF and document viewers, rich-text editors, and workflow wizards.
• Ensure WCAG 2.1/2.2 AA and Section 508 conformance across the application, including support for independent accessibility conformance reviews.
• Instrument the front end with OpenTelemetry to trace the agent-to-human handoff end to end.

AI-Enabled Delivery

• Utilize approved AI-assisted engineering tools, such as GitHub Copilot, to accelerate software development, testing, documentation, troubleshooting, and analysis activities.
• Evaluate and validate AI-generated outputs for correctness, security, maintainability, compliance, and business appropriateness.
• Continuously identify opportunities to improve engineering productivity and solution quality through AI-enabled workflows and automation.
• Contribute reusable prompts, skills, agents, engineering playbooks, and AI-assisted development patterns to benefit the broader engineering organization.

Governance and Compliance

• Follow enterprise policies governing AI usage, intellectual property protection, security, privacy, PHI handling, and Responsible AI practices.
• Handle patient data safely under HIPAA, keeping PHI out of browser storage, client logs, and telemetry.
• Ensure no confidential, regulated, or protected information is used with unapproved AI services or tooling.
• Participate in peer reviews and validation processes for AI-assisted solutions.

Required Qualifications

• 7+ years of professional software development experience, including 4+ years building production web applications with React and TypeScript.
• 2+ years of experience leading teams of 3+ software engineers.
• Deep, hands-on experience with Next.js, including Server and Client Components, server-side rendering, streaming, and caching.
• Experience building AI or agent-driven user interfaces (e.g., Vercel AI SDK, assistant-ui, CopilotKit, AG-UI) or equivalent streaming, real-time interfaces using Server-Sent Events or WebSockets.
• Experience designing and delivering data-heavy enterprise screens, such as large grids, document viewers, rich-text editors, and multi-step workflows, using component libraries such as KendoReact (Telerik) or MUI.
• Proven experience with the backend-for-frontend pattern and integrating front ends with services written in other languages, such as .NET (C#) and Python (FastAPI).
• Experience implementing authentication with Entra ID (Azure AD) and OpenID Connect.
• Demonstrated expertise delivering applications that meet WCAG 2.1/2.2 AA and Section 508.
• Experience with front-end testing using Vitest or Jest, React Testing Library, and Playwright.
• Hands-on experience with Docker, Kubernetes (AKS preferred), CI/CD with GitHub Actions, and OpenTelemetry.
• Experience applying npm supply-chain security practices, such as SBOMs, lockfile policy, and dependency scanning.
• Strong, daily use of AI-assisted development tools such as GitHub Copilot.
• Excellent leadership and communication skills, with the ability to lead and mentor a team of engineers.
• Experience in Agile development methodologies and working in cross-functional, globally distributed teams.
• Strong problem-solving skills, with the ability to resolve complex technical challenges and make critical decisions under pressure.

Preferred Qualifications

• Working knowledge of Python and Pydantic AI, including agent tool approval and the AG-UI and Vercel AI SDK adapters.
• Experience designing human-in-the-loop experiences for AI agents, including approval, override, and audit workflows.
• Experience with FHIR R4; Da Vinci Prior Authorization Support (PAS) a plus.
• Experience consuming events from Azure Service Bus or similar message brokers.

• Experience with C# and .NET.

• Experience with design systems and design tokens, including Material Design.
• Experience integrating AI services, models, or agents into production applications.
• Healthcare domain experience, including handling PHI under HIPAA.

Education

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience.

To ensure a secure hiring process we have implemented several identity verification steps, including submission of a government issued photo ID. We conduct identity verification during interviews, and final interviews may require onsite attendance. All candidates must complete a comprehensive background check, in-person I-9 verification, and may be subject to drug screening prior to employment. The use of artificial intelligence tools during interviews is prohibited and monitored. Misrepresentation will result in immediate disqualification from consideration.

Technical Requirements:

We require that all employees have the following technical capability at their home: High speed internet over 10 Mbps and, specifically for all call center employees, the ability to plug in directly to the home internet router.

Evolent is an equal opportunity employer and considers all qualified applicants equally without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, or disability status.If you need reasonable accommodation to access the information provided on this website, please contact for further assistance.

Originally posted on Himalayas

Clear Street is modernizing the brokerage ecosystem. Founded in 2018, Clear Street is a diversified financial services firm replacing the legacy infrastructure used across capital markets.

We started from scratch by building a completely cloud-native clearing and custody system designed for today's complex, global market. Our platform is fully integrated with central clearing houses and exchanges to support billions in trading volume per day. We've agonized about our data model abstractions, created horizontal scalability, and crafted thoughtful APIs. All so we can provide a best-in-class experience for our clients.

By combining highly-skilled product and engineering talent with seasoned finance professionals, we're building the essentials to compete in today's fast-paced markets.

The Role:

As a Senior Software Engineer on the Clear Street Frontend team, you’ll help architect and build the next generation of Clear Street Active, our high-performance trading platform tailored for active traders. The platform integrates real-time market data, low-latency execution workflows, and advanced trading tools into a performant, responsive web interface. You’ll collaborate with a cross-functional team on large-scale initiatives that deliver high-impact solutions and shape the future of our prime brokerage experience.

The Team:

You will work with a team of talented, passionate, and highly collaborative engineers. Working together, we have built a platform that serves institutional clients and is at the forefront of technological innovation. Our engineers take pride not just in the value we provide our customers but also in the quality of our work. As a member of our team, you will have the opportunity to work with cutting-edge technologies, collaborate with colleagues from diverse backgrounds, and make a meaningful impact on the financial industry. We value creativity, innovation, strong work ethic, and we are committed to providing our team members with the support and resources they need

to succeed.

Tech Stack: Typescript, React, Tanstack, Tailwind

Requirements:

• You have at least 4 years of professional experience implementing web applications.
• 3+ years of experience working with modern web technologies, including demonstrated success at a Senior or higher Engineer level
• Expertise in building and maintaining high-performance, scalable web applications using TypeScript, React, Tanstack, Tailwind
• You prioritize end-user experience, and it shows in your API design, functionality, and performance.
• You have a strong command of design patterns, data structures, and algorithms.
• You like working in a team-first environment.
• You take pride in the quality of your work and hold yourself to a high standard.
• Passion for creating a best-in-class developer experience, with an eye for tooling, performance, and maintainability

We Offer:
The Base Salary Range for this role is $150,000 - $250,000. This range is representative of the starting base salaries for this role at Clear Street. Where a candidate falls in this range will be based on job related factors such as relevant experience, skills, and location. This range represents Base Salary only, which is just one element of Clear Street's total compensation. The range stated does not include other factors of total compensation such as bonuses or equity.

At Clear Street, we offer competitive compensation packages, company equity, 401k matching, gender neutral parental leave, and full medical, dental and vision insurance. In-office benefits include lunch stipends, fully stocked kitchens, happy hours, a great location, and amazing views.

Our top priority is our people. We're continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other's successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse — in ideas, in cultures, and in experiences. We are proud to be an equal opportunity employer and put in the effort to make such a workplace a daily reality.

Originally posted on Himalayas