--- title: 'Senior / Staff Software Engineer, Mobile at Clear Street' canonical: 'https://feeny.ai/job/senior-staff-software-engineer-mobile-clear-street-remote-zyvjhhpqd08j' type: 'job' last_seen: '2026-10-20' --- # Senior / Staff Software Engineer, Mobile at Clear Street - **Company:** Clear Street - **Location:** Remote - **Work type:** remote - **Posted:** 2026-10-18 - **Last confirmed live:** 2026-10-20 - **Apply:** https://job-boards.greenhouse.io/clearstreet/jobs/8235079 ## Job description 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.  #LI-Remote ## About Clear Street ## Company Overview - **One-liner**: Clear Street is a diversified financial services firm replacing legacy capital markets infrastructure with a modern, cloud-native, API-first clearing and custody platform. - **Entity Type**: Private (Funding Stage: Series B) - **Headquarters**: New York, United States - **Founded**: 2018 - **Founders**: Kenneth Sicklick, Alex Lawton, John D’Agostini, Andy Volz ## Core Business - **Primary industry/industries**: Financial Services, Capital Markets, Fintech - **Target customers**: Sophisticated individual traders, hedge funds, proprietary trading firms, broker-dealers, ETF issuers, family offices, corporate issuers, traditional and alternative asset managers, and investors [clearstreet.io](https://clearstreet.io/) - **Mission**: To give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency, and scale [clearstreet.io](https://clearstreet.io/careers) ## Products & Services - **Clear Street Platform**: A single, cloud-native, end-to-end capital markets platform that provides clearing, custody, execution, and financing services for U.S. equities, options, and fixed-income. The platform is API-based and AI-enhanced, offering horizontally scalable technology with real-time data and risk management [clearstreet.io](https://clearstreet.io/). ## Market Standing - **Valuation**: Not publicly disclosed. - **Total Funding**: $1.0 billion in capital raised [clearstreet.io](https://clearstreet.io/about). - **Key Metrics**: - **Customer Balances**: ~$28.4 billion - **Notional Traded Per Day**: ~$16 billion - **Shares Traded Per Day**: ~550 million - **Transaction Growth**: 94% year-over-year - **Institutional Clients**: ~700 - **Employees**: 800+ worldwide [clearstreet.io](https://clearstreet.io/about) - **Notable Investors/Partners**: Not explicitly listed in the provided search results, but the company has raised significant capital from institutional investors. ## Competitive Advantages - **Modern Infrastructure**: Replaces legacy, mainframe-based systems with a cloud-native, horizontally scalable platform, providing significant cost and efficiency advantages. - **Single Source of Truth**: All data, risk management, and operations are held in a single system, minimizing risk and operational friction for clients. - **Multi-Asset Support**: Platform is built to handle multiple asset classes (equities, options, fixed-income, and expanding to futures, FX, etc.) on a unified system. - **API-First Design**: A modern API-first approach allows for seamless integration and automation for sophisticated clients. ## Strategic Focus - **Global Expansion**: Recently expanded into the Asia-Pacific region with the acquisition of Boom Securities and has a growing presence in Europe and the UK [clearstreet.io](https://www.clearstreet.io/news/blog/engineering-at-a-mission-driven-fintech). - **Product Expansion**: Continuously adding new asset classes and services to the platform, aiming to serve a wider variety of investor types. - **Talent Acquisition**: Actively hiring across engineering, trading, and corporate services to support rapid growth. ## Why Work Here - **Mission-Driven**: Employees are united by a clear mission to modernize the financial ecosystem. This mission directly drives daily work and aligns business, operations, and technology goals [clearstreet.io](https://www.clearstreet.io/news/blog/engineering-at-a-mission-driven-fintech). - **High-Impact Engineering**: With 150+ engineers, the tech team is building core financial infrastructure from the ground up, offering the chance to work on complex, high-stakes problems. - **Culture & Values**: The company emphasizes integrity, thinking big, a competitive drive to win, client-centricity, and teamwork. It has been recognized as a "Best Place to Work" [clearstreet.io](https://clearstreet.io/careers). - **Global Presence with 18 Office Locations**: Employees can work from hubs in New York (HQ), London, Singapore, Tel Aviv, and many other cities across the US, Europe, and Asia [clearstreet.io](https://clearstreet.io/careers). - **Top Talent**: The company is composed of top talent from both Wall Street and Silicon Valley, creating a unique and high-performance environment [clearstreet.io](https://clearstreet.io/careers). ## Sources 1. [clearstreet.io - About](https://www.clearstreet.io/about) 2. [clearstreet.io - Homepage](https://clearstreet.io/) 3. [clearstreet.io - Careers](https://clearstreet.io/careers) 4. [LinkedIn - Clear Street](https://www.linkedin.com/company/clear-street) 5. [clearstreet.io - Engineering Blog](https://www.clearstreet.io/news/blog/engineering-at-a-mission-driven-fintech) ## Other roles at Clear Street - [Senior Data Engineer](https://feeny.ai/job/senior-data-engineer-clear-street-remote-qks5rqfd7f1t) - [Senior Growth Data Scientist](https://feeny.ai/job/senior-growth-data-scientist-clear-street-remote-05sy4c0ee638) - [Electronic Sales Trader & Client Support](https://feeny.ai/job/electronic-sales-trader-client-support-clear-street-london-dtr66dtn7qbz) — London, United Kingdom - [Associate, Internal Audit](https://feeny.ai/job/associate-internal-audit-clear-street-new-york-qxad2b4e45wh) — New York, NY - [Associate Counsel, Commercial Retail](https://feeny.ai/job/associate-counsel-commercial-retail-clear-street-new-york-87djxdvqsg9q) — New York, NY - [Co-Op Program (Computer Science)](https://feeny.ai/job/co-op-program-computer-science-clear-street-umea-tt4raf8kd41t) — Umeå, Sweden - [Risk Manager - Active Trading](https://feeny.ai/job/risk-manager-active-trading-clear-street-chicago-evmjeabe49yd) — Chicago, IL - [Associate - Tax Operations](https://feeny.ai/job/associate-tax-operations-clear-street-new-york-bexbk9dt7nc3) — New York, NY - [Senior Product Designer — Trading](https://feeny.ai/job/senior-product-designer-trading-clear-street-remote-45pcmjk326am) - [Senior Product Designer — Mobile](https://feeny.ai/job/senior-product-designer-mobile-clear-street-remote-yykrp5sd903k)