Software Engineer - Client Trading Infrastructure (Java/Python)

Join Virtu Financial Virtu Financial is a pioneering financial services firm, utilizing state-of-the-art technology to enhance market liquidity and offer innovative, transparent trading solutions globally. As a prominent market maker, we facilitate efficient trading in over 19,000 securities across 235 venues in 36 countries. Position Overview We are seeking a talented UI Developer to become part of our dynamic UI development team. This diverse group of skilled software engineers collaborates across the Virtu organization to create the next generation of scalable web-based user interfaces and trading tools. While the primary focus will be on frontend development, there may be opportunities to engage in backend projects as well. Team members work closely with traders and fellow developers to identify needs and implement real-time trading, visualization, analysis, and reporting tools. Ideal candidates will possess a strong passion for crafting intuitive user interfaces, alongside extensive experience with web technologies and JavaScript frameworks.

Join Virtu Financial, a leading quantitative trading firm, where innovation meets impact in the financial markets. As a Machine Learning Researcher, you will engage in groundbreaking research opportunities within a dynamic and agile organization. This role presents a unique blend of intellectual challenge and immediate business influence, as you navigate complex problems that lack straightforward solutions.Your responsibilities will encompass our entire modeling ecosystem, from feature engineering and deep learning architecture to training dynamics and execution strategies. Your pioneering contributions will shape our market operations globally, making a real difference in a fast-evolving industry that thrives on creative problem-solving and first-principles thinking.We seek individuals with a strong sense of curiosity, a robust technical skill set, and a collaborative spirit, regardless of their industry background.

Virtu Financial, Inc. is a premier financial institution that utilizes state-of-the-art technology to provide liquidity across global markets and deliver innovative and transparent trading solutions to our clients. As a distinguished market maker, Virtu enhances market efficiency by offering substantial liquidity in over 19,000 securities across 235 venues in 36 countries worldwide.Our core services, including market making, client execution, and proprietary trading venues, provide a competitive edge, allowing us to develop and implement cutting-edge tools that enhance operational efficiency and performance throughout the organization.THE ROLEAs a Quantitative Strategist at Virtu, you will collaborate within interdisciplinary teams comprising traders, quantitative analysts, and experienced software engineers. Our environment is collegial and supportive, fostering interactions across various teams globally.Utilize your keen observational skills and advanced statistical techniques to design and refine predictive models.Conduct research to devise and implement innovative trading strategies.Evaluate existing strategies for potential enhancements.Develop comprehensive risk models and frameworks to effectively manage portfolio risks.Create tools that automate research workflows and enhance the visualization of complex datasets.THE CANDIDATEA PhD in a quantitative discipline such as Science, Mathematics, Engineering, or other STEM fields.No prior experience in Quantitative Finance or specific asset class knowledge is necessary.A strong academic background with diverse, challenging coursework and a solid GPA.Outstanding quantitative, mathematical, and analytical problem-solving abilities.Excellent communication skills with the capability to collaborate effectively with colleagues.Ability to tackle technical and quantitative challenges under pressure.Proficiency in expressing concepts mathematically and algorithmically.Programming expertise, particularly in Python and C/C++.A strong sense of intellectual curiosity and self-motivation, with the capability to learn from peers and seek guidance.Exceptional adaptability and a high tolerance for ambiguity.A strong desire for success within a collaborative environment.

Join Virtu’s Research Technology team as an accomplished Machine Learning Engineer. You'll be part of a dynamic group of specialists focused on creating the robust infrastructure that fuels our quantitative researchers. This is a rare chance to engage at the crossroads of machine learning and systematic trading, developing tools that directly influence the efficiency and speed of our research capabilities. In this pivotal role, you will spearhead the development of our machine learning research platform. Your responsibilities will include managing data and computational resources, tracking experiments, and empowering researchers to transition from concept to result with maximum efficiency. Collaborating closely with quantitative analysts and engineers, you will significantly impact the implementation of machine learning practices as we enhance our operational capabilities. Our tech stack primarily includes Python, C++, and Java, complemented by various open-source tools and proprietary technologies.

ABOUT US At Virtu Financial, we stand at the forefront of the financial industry, harnessing advanced technology to provide liquidity to global markets and deliver innovative, transparent trading solutions to our esteemed clients. As a distinguished market maker, we facilitate deep liquidity, fostering more efficient markets worldwide. Our expertise in market structure, extensive diversification, and cutting-edge execution technology empowers us to offer competitive bids and offers across over 19,000 securities at more than 235 venues in 36 countries globally. JOIN OUR TEAM We are seeking a skilled and experienced engineer to develop and maintain the critical reference data systems that support a variety of platforms within Virtu, including trading systems, quantitative research systems, and back-office operations. Our company thrives in a dynamic, fast-paced environment characterized by a meritocratic culture and a flat organizational structure. We are committed to continuous improvement, making learning and knowledge-sharing integral to our values. YOUR ROLE Aggregate, validate, enhance, and distribute extensive datasets from major data vendors such as Bloomberg and LSEG. Design, test, implement, and maintain various databases and APIs. Architect tailored software solutions for business stakeholders to optimize daily data management and evaluation across the organization. Facilitate large-scale migrations for global, multi-asset data. Oversee the daily operation of our production systems. Conduct both proactive and reactive system maintenance as needed. QUALIFICATIONS Bachelor's degree in Computer Science or a related field. A minimum of 5 years of experience with enterprise-level distributed systems, particularly in Java. Solid understanding of relational databases (SQL, Oracle RDBMS). A keen interest in trading and financial markets. PREFERRED BUT NOT REQUIRED: Prior experience in the financial services sector, particularly with trading systems. Proficiency in managing large datasets using Python. Familiarity with HBase, Hadoop, or equivalent cloud storage solutions. Understanding of the Linux environment. Experience using version control systems such as SVN or Git. Salary Range: $175,000 - $200,000 (excludes bonuses, benefits, etc.)

Join Lab49 as a Lead UI Engineer, where you'll leverage your expertise in React to craft innovative user interfaces for top-tier financial institutions. In this pivotal role, you will collaborate within dynamic, cross-functional teams, directly engaging with clients to develop bespoke technological solutions that address complex challenges. Your contributions will drive the performance and productivity of our prestigious clients, making a significant impact on their operations.

Galaxy Digital Services is a leader in digital assets and data center infrastructure, based in New York City. The company supports institutions, startups, and developers at the intersection of finance and technology, with offerings that include trading, investment banking, asset management, staking, self-custody, and tokenization. Galaxy also invests in and operates advanced data centers for AI and high-performance computing. The team values excellence, selectivity, transparent feedback, and independent decision-making. Collaboration and high standards shape the company’s approach to building products and services for a digitally-driven economy. Role overview This Lending UI Developer position focuses on enhancing and expanding the user interfaces for Galaxy’s Lending Architecture. The role is based in New York and centers on React and JavaScript development. The Lending Team works closely with business partners to deliver seamless user experiences across multiple front-end applications. What you will do Contribute to the development and improvement of Lending UIs. Shape UI/UX experiences across the organization by supporting a growing portfolio of front-end applications. Collaborate with business partners to deliver streamlined and effective user interfaces. Requirements Comprehensive expertise in React and JavaScript. Strong motivation and ability to work closely with cross-functional teams. Experience in developing and maintaining user interfaces for complex applications. Our core values Strive for Excellence Be Selective to Achieve Effectiveness Maintain High Alignment with Loose Coupling Encourage Transparent Disagreement Foster Independent Decision-Making Assemble Exceptional Teams

Join our dynamic team as a React.js Developer! We are seeking an innovative and skilled developer to design and implement high-performance, scalable web applications that deliver exceptional user experiences. The ideal candidate will have robust experience with modern JavaScript frameworks, particularly React.js, and a strong understanding of frontend development best practices.

Profound is dedicated to empowering businesses to comprehend and manage their AI footprint. As AI-generated interactions increasingly influence brand discovery, trust, and selection, the significance of these experiences has never been greater.Design engineering plays a pivotal role in our development process at Profound. Founded by Dylan Babbs, a former design engineer, we uphold a high standard for craftsmanship, aesthetic appeal, and execution. In the role of Design Engineer, you will bridge design and engineering by delivering high-quality, meticulously crafted experiences across our product offerings and, occasionally, our marketing platforms.

Join Privy as a Staff SDK Engineer specializing in React and React Native. In this role, you will lead the development of innovative SDKs that empower developers and enhance user experiences. You will collaborate with cross-functional teams to design, build, and maintain high-quality software solutions.

Join our dynamic team as a UI / UX Designer at a prominent investment bank, where you will contribute to the development of exceptional digital solutions utilized by finance professionals daily. These innovative products play a crucial role in the creation, distribution, and marketing of investment research and various financial offerings.Key Responsibilities:Define the user experience and design direction for new digital products while enhancing existing ones.Collaborate effectively with project managers, engineers, designers, and key stakeholders.Design, refine, and deliver detailed wireframes and user flows.Develop low to high fidelity prototypes to facilitate testing and solution communication.Conduct user interviews to validate design solutions and hypotheses.Create comprehensive documentation and provide guidance to engineering teams on implementation, including design annotations and specifications.Advocate for superior user experiences throughout the implementation process.Establish a UX and UI pattern system for current and future products/services.

About UsBaton Corporation is a pioneering technology firm responsible for developing and operating the comprehensive technology stack behind pump.fun, currently recognized as the largest memecoin launchpad in the industry. Our systems are designed for low latency and high throughput, operating under continuous load, demanding precision and expertise.Your RoleIn the capacity of Senior Staff React Native Engineer, you will be at the forefront of our mobile platform's technical evolution. Your role encompasses tackling our most challenging technical issues, guiding architectural decisions, and fostering growth among your fellow engineers, all while actively contributing to production code with remarkable efficiency.Demonstrate leadership through significant code contributions in critical areas of our mobile stack.Take ownership of complex technical projects, overseeing everything from architectural design to deployment.Define the technical vision for mobile architecture while remaining actively engaged in its implementation.Establish and refine best practices for performance, reliability, and security within a crypto-native environment.Focus on optimizing speed, efficiency, and scalability, effectively bridging blockchain interactions with mobile-first design.Collaborate closely with backend engineers to integrate APIs, real-time data streams, and decentralized technologies.Rapidly iterate—shipping features, collecting user feedback, and enhancing the mobile experience to boost engagement and user retention.Address intricate technical challenges associated with crypto wallets, smart contract interactions, and real-time data updates.Maintain a clean, modular, and scalable codebase while pushing the limits of mobile development.Work in partnership with designers, engineers, and product leaders to shape the future of our mobile platform.

Join the City of New York as an Application Developer, where you will play a vital role in developing and maintaining cutting-edge applications that serve the city's diverse needs. In this dynamic position, you will collaborate with cross-functional teams to deliver innovative software solutions that enhance city services and improve the lives of its residents.

Join Omen as a Frontend Web Developer and spearhead our web development initiatives, crafting innovative products from concept to launch. Collaborate closely with cross-disciplinary teams including design, product management, and internal platforms to deliver impactful features within dynamic product teams.As an integral member of our Genesis team, you'll contribute to developing a world-class tokenization and fund administration experience for Omen Genesis.Your ResponsibilitiesDevelop high-quality, performant web applications using React, TypeScript, and CSS-in-JS.Embrace ownership of features from design through implementation, serving as the web development expert.Enhance tools that streamline Omen's operations, wielding influence across the organization.Work in tandem with design and product professionals to quickly iterate and launch financial products.Create frameworks and abstractions that significantly empower fellow developers.Engage in backend development using TypeScript and AWS when necessary.Your QualificationsMinimum of 2 years of professional experience with modern web technologies and frameworks.Proficient in writing and debugging JavaScript in both Node.js and browser environments.Passionate about creating an exceptional developer experience.Demonstrated success in leading and delivering large-scale technical projects.Consistently uphold high standards for code quality, advocate for best testing practices, and enhance code review processes.Highly Preferred: Strong backend experience and knowledge, particularly in system design and high-performance backend systems, with familiarity in cloud interactions (potential for a full-stack role).

About TruelogicTruelogic is a premier provider of nearshore staff augmentation services, based in New York. With over 20 years of experience, we have successfully delivered exceptional technology solutions to a diverse array of clients, from cutting-edge startups to established industry leaders, empowering them to realize their digital transformation ambitions.Our dedicated team of over 600 skilled technology professionals drives digital innovation by collaborating with U.S. companies on their most significant projects. Whether working alongside Fortune 500 corporations or scaling startups, we focus on delivering impactful results.By applying for this role, you will take the first step toward joining a vibrant team that values your expertise and career aspirations. We strive to align your talents with opportunities that promote outstanding career growth and success while contributing to projects that are shaping the future.Our ClientOur client is revolutionizing the hotel guest experience by providing day access to luxury hotel amenities, such as stunning pools, private beaches, and luxurious spas, allowing locals to indulge without leaving the city. If you are inspired to contribute to this vision, we would love your assistance.Our expanding team of tech and hospitality innovators has partnered with over 1,500 top hotels and resorts.Job SummaryWe are seeking a skilled Frontend Engineer to join our Hotels team, which is dedicated to ensuring the success of our resort partners in the marketplace by equipping them with effective management tools for their offerings. This team also develops products that enhance the guest experience upon arrival at the property. You will collaborate closely with cross-functional partners in Product, Design, and Data to create high-performing products that delight our customers and resort partners, exceeding both site metrics and business KPIs.The ideal candidate should be located in or around the NYC area, as this position requires in-person attendance at our NYC headquarters four days a week.

About UsBaton Corporation is a leading development firm that designs and manages the comprehensive technology infrastructure for pump.fun, the foremost memecoin launchpad currently in operation. Our systems are engineered for low latency and high throughput, functioning efficiently under constant pressure, and require precision to avoid failure.Your RoleAs a Senior React Native Engineer on our dynamic mobile team, you will be instrumental in enhancing and expanding our mobile application, empowering users around the globe with the capabilities of crypto and SocialFi. You will engage with the entire technology stack to create high-performance mobile experiences, delivering features swiftly and iterating rapidly in a fast-paced growth environment.Develop and maintain a top-tier mobile application using React Native, ensuring exceptional performance and a user-friendly interface.Optimize for speed, efficiency, and scalability, bridging blockchain interactions with mobile-centric design.Collaborate closely with backend engineers to integrate APIs, real-time data streams, and decentralized technologies.Quickly iterate to ship features, collect user feedback, and refine the mobile experience to enhance engagement and retention.Tackle complex technical challenges involving crypto wallets, smart contract interactions, and real-time data updates.Maintain a clean, modular, and scalable codebase while pushing the limits of mobile development.Work in synergy with designers, engineers, and product leaders to shape the evolution of our mobile platform.

Join Sonsoft Inc. as a skilled Java Developer with a focus on User Interface (UI) development. In this exciting role, you will collaborate with cross-functional teams to design and implement high-quality software solutions that enhance user experience. Your expertise in Java and UI technologies will be crucial in delivering innovative applications that meet our clients' needs.

About Us:At Zealthy, we are on a mission to democratize high-quality healthcare, ensuring access for everyone, regardless of their location. We are in the process of creating the world’s largest and most trusted virtual healthcare platform, revolutionizing the delivery of care to make healthcare accessible to all.Founded by a visionary healthcare entrepreneur with a successful track record, including scaling a previous venture to a valuation of $5 billion, Zealthy is uniquely positioned for sustainable growth as we ambitiously pursue our vision. Our steadfast dedication to quality and accessibility is at the heart of everything we do.Our team is committed to making a difference for our patients. While our office culture operates Monday to Friday, often extending beyond standard hours, the true satisfaction comes from the significant impact we create together. Every team member plays a vital role in building something transformative. As a full-time member of our team, you won't just help shape the future of healthcare; you'll also benefit from our success through equity ownership, reflecting our belief that every contributor should be a literal and figurative owner of our mission.If you are not ready to fully commit to your role and contribute to the goal of building the largest and highest quality telemedicine company with in-person work four days a week, we encourage you to reconsider your application.Join us in redefining the future of healthcare.The Role:We are actively seeking a dedicated Mobile Engineer specializing in React Native. This is a full-time, on-site position based in New York, NY. If you are exploring remote or hybrid options, this role may not be the right fit for you.Your Responsibilities:As a React Native Software Engineer at Zealthy, you will join a dynamic team of five full-time engineers and work closely with the Founder/CEO and the Senior Medical Director.You will be tasked with rapidly developing our mobile application for both iOS and Android, using our mobile-friendly web app and initial design elements as a foundation.Your role will require in-person collaboration at our New York office, participating in daily standups, weekly sprint meetings (or a flexible Kanban process), and holding yourself accountable to a rigorous product development timeline.Being part of an early-stage startup means you may need to wear multiple hats, building the initial version of the mobile application with limited support from other engineers.As we grow, there will be opportunities for you to advance into a leadership role based on your performance and aspirations, fostering an ongoing dialogue with current leaders.

Product DesignerLocation: New York, USASalary: $180,000 - $200,000Meaningful Early EquityOn-site with flexible remote daysUSA work authorization requiredIntra-USA location package availableAbout AuroraAurora is a pioneering digital lifestyle management platform tailored for high achievers and elite organizations. Our clientele includes top-tier founders, executives, athletes, and families who seek to simplify their complex needs across travel, dining, experiences, luxury purchases, and health.With a mobile-first approach and 24/7 global availability, Aurora empowers members to make timely, high-stakes decisions through a seamless and proactive experience. This focus on product quality and user interaction ensures that our services are directly visible to members multiple times a day.The agentified premium lifestyle commerce sector presents a $10bn+ opportunity. Traditional concierge services are often hindered by fragmented systems and manual processes that lack scalability. Aurora integrates automation, AI agents, and expert human curators into a robust system designed for speed and accuracy.Our early traction has been remarkable:51% Daily Active Users, 95% Weekly Active UsersTransaction volume and member spend exceeding industry benchmarks by 5x within the first three monthsBacked by Alex Macdonald, a leader in this industry, we have achieved:Over $5M raised from seasoned operators and premier investorsDevelopment of a product that boasts industry-leading engagement from paying membersA proprietary dataset that informs proactive AI behavior based on user context (preferences, calendars, health signals)As we scale our product and member base, we are expanding our founding engineering team. Aurora operates from our offices in London, New York, and Los Angeles, with flexible remote work options.The Product DesignerJoin our dynamic core team of 20 as a world-class Product Designer to shape the UI/UX of Aurora. You will place a versatile, multi-player product in the hands of the world's most influential individuals, redefining how they plan, book, and manage their lives across various lifestyle domains, including travel, dining, luxury goods, gifting, and health.We welcome applicants who prioritize creating a polished, modern experience over traditional luxury, and our design-forward team is committed to crafting simple and enjoyable product interactions.We are establishing a new category of lifestyle operating systems, where innovation meets user-centric design.