Mobile App Engineer - Transforming Financial Trading

Join mlabs as a Mobile App Engineer and be part of a groundbreaking initiative to reshape the future of finance through our next-generation mobile trading platform. This innovative platform goes beyond conventional retail applications, providing a comprehensive trading experience featuring live market data, complex order types, and multi-venue execution.As a…

Atto Trading is a leading quantitative trading firm that employs a portfolio of signal-driven high-frequency trading strategies across cash equities and futures markets.We are currently seeking a dedicated Trading Operations Engineer to enhance our team. As we embark on expanding into new markets, it is an exhilarating time to join our diverse group of professionals specializing in trading, statistics, engineering, and technology. Our methodical approach, paired with rapid market feedback, enables us to transform innovative ideas into profitable outcomes swiftly. We foster a collaborative and educational environment where we tackle some of the most challenging problems in the industry together.As a compact firm, we maintain agility and uphold the highest standards of integrity, creativity, and diligence.Our Trading Activities:We execute trades on nearly all US exchanges, including NASDAQ, NYSE, ARCA, Cboe, CME, CFE, and more.Key Responsibilities:Oversee and manage Atto Trading’s automated trading systems to ensure seamless operations.Conduct proactive analyses and enhancements of trading pipelines by developing scripts to automate and optimize daily trading processes and reporting mechanisms.Collaborate with traders, engineers, brokers, and exchanges to address and resolve intraday issues in real time.Engage directly with exchanges and clearing members to investigate and resolve live trading discrepancies.Partner with software engineering teams to refine and sustain trading infrastructure and internal monitoring systems.Automate and enhance trading support workflows and pipelines utilizing Python and Bash scripting.Support daily risk operations through report generation and execution of established risk protocols.Document production incidents while maintaining thorough logs and monitoring protocols.Manage and oversee enterprise systems related to pipeline scheduling, software releases, and operational monitoring.Assist in new market deployments by working closely with internal teams on infrastructure and connectivity.

About WintermuteWintermute is a leading algorithmic trading firm specializing in digital assets. We are at the forefront of providing liquidity across all major cryptocurrency exchanges and trading platforms, along with a wide range of OTC trading solutions. Our partnerships with high-profile blockchain projects and traditional financial institutions transitioning into the crypto space position us as a pivotal player in the digital asset markets. We don’t just trade; we actively contribute to the blockchain ecosystem through strategic investments, collaborations, and project incubation. For more details, please visit here.Why Join Wintermute?As a global company with offices in London and Singapore, we opened our US office in early 2025, anticipating significant growth in the coming years. This presents a unique opportunity for you to be part of the rapid expansion of Wintermute Americas. Role OverviewWe are looking for a DevOps Engineer to join our Liquidity Integration team in New York. The Liquidity team is integral to supporting Wintermute’s flagship OTC platform, which facilitates trading for thousands of counterparties via API and the Wintermute NODE platform. Your responsibilities will include designing efficient counterparty-centric integration and support processes, as well as providing operational support throughout the counterparty lifecycle.Your role will focus on global integrations and support, particularly during US business hours and for US counterparties. Collaboration with business development, product teams, traders, engineers, and our global DevOps teams in London and Singapore will be essential in ensuring counterparty technical integration, platform stability, performance, and resilience.

Join Atto Trading, a pioneering quantitative trading firm established in 2010, at the forefront of high-frequency trading strategies. We are actively seeking a C++ Software Engineer to enhance our dynamic team in New York.Our diverse and international team comprises experts in trading, statistics, engineering, and technology. Our unique blend of disciplined strategies and swift market feedback enables us to transform innovative ideas into profitable outcomes. Here at Atto, we foster an environment of continuous learning and collaboration, allowing us to tackle some of the most complex challenges in the industry together. As a small firm, we pride ourselves on our agility and commitment to integrity, creativity, and hard work.Position Highlights:As we modernize our trading and research platform to expand our alpha trading operations, you will play a pivotal role in developing a platform that empowers researchers to explore, test, and deploy complex signals, models, and strategies across various asset classes in a fully automated and robust manner, all while adhering to stringent latency targets. Your contributions will be crucial in building, maintaining, and supporting this platform.Responsibilities:Design, develop, and maintain our leading global trading platform using low-latency C/C++ systems specifically for high-frequency trading (HFT), consistently improving its performance, functionality, and stability.Conduct rigorous testing and engage in thorough code reviews to ensure high-quality standards.Integrate advanced networking hardware interfaces (FPGA, kernel-bypassing drivers).Exhibit proactive decision-making and self-direction, while knowing when to seek assistance.Investigate and propose enhancements for platform performance.Requirements:A minimum of 2 years of experience in developing high-frequency trading platforms and trading systems.Proficiency in C/C++, particularly modern C++ within a Linux environment.Expertise in profiling and optimization techniques.Strong understanding of Object-Oriented Programming (OOP), Multithreading, and Inter-Process Communication (IPC).Bachelor's degree or higher in Computer Science, Computer Engineering, or a related field.Meticulous attention to detail, a commitment to maintaining high standards, and a critical mindset.Able to juggle multiple tasks in a fast-paced environment.A proactive attitude towards building, learning, and achieving results.Desirable Qualifications:Familiarity with operating systems, including kernel-level understanding of device support in Linux.Knowledge of financial instruments such as Stocks, ETFs, Futures, and Options.Experience with various market data and order entry protocols (ITCH, OUCH, PITCH, CME MDP).A genuine interest in finance, trading, and contemporary electronic markets.Benefits:Competitive salary packagePerformance-based bonuses401(k) retirement planMental health support initiatives

Join the Institutional Fabric of the Digital Asset MarketFounded in 2018, Talos Trading is at the forefront of providing institutional-grade trading technology for the global digital asset market, empowering leading entities within the crypto ecosystem. Our mission is to facilitate the widespread adoption of digital assets by effectively connecting institutions to the digital asset landscape. We are dedicated to creating the most innovative and reliable platform globally, supporting every aspect of the trading lifecycle.At Talos, we cultivate an environment that promotes kindness, respect, and inclusivity. We value diverse perspectives and believe that each team member contributes unique insights that propel Talos forward. Our culture is built on trust, integrity, collaboration, and collective growth.Our team is a close-knit, globally distributed group of seasoned engineers and business leaders, with offices in New York, London, Singapore, and Cyprus. In our hybrid-friendly setting, whether working from the office or remotely, your individual skills and insights will be essential in building something exceptional.Client Services Engineer RoleWe are seeking a seasoned client-facing engineer who will play a pivotal role in supporting our customers within a dynamic, 24/7 global digital asset trading environment. This essential position will contribute significantly to client success and the overall stability of our trading systems.

Join Talos Trading: Pioneers in Digital Asset Market TechnologyEstablished in 2018, Talos Trading is at the forefront of delivering institutional-grade trading technologies tailored for the global digital asset marketplace. We enable key players within the crypto ecosystem to thrive. Our dedicated mission is to facilitate the widespread adoption of digital assets by effectively linking institutions with the digital asset environment.At Talos, we promote a culture of kindness, respect, and inclusivity. We believe that diverse perspectives enrich our team and contribute to our collective success. Each individual’s unique insights and skills are vital in propelling Talos forward. We are committed to fostering an atmosphere of trust, integrity, collaboration, and mutual growth.Our dynamic team, comprised of experienced engineers and business leaders, operates in a hybrid-friendly environment across locations in New York, London, Singapore, and Cyprus. Whether working from the office or remotely, your contributions will be instrumental in building something extraordinary.Position: Go-To-Market Engineer (Revenue Systems & Pipeline Infrastructure)We are looking for a skilled Go-To-Market Engineer to develop and enhance our systems that facilitate pipeline generation for our go-to-market strategies. This technical role sits at the crossroads of Marketing, Sales, and Revenue Operations.You will be responsible for designing and managing the infrastructure that identifies high-intent accounts, enriches and prioritizes them, triggers engagement based on real-time signals, and directs opportunities into the right workflows.Additionally, you will manage critical elements of our marketing and outbound technology stack, including integrations, data flows, and AI-driven workflows, ensuring all operations are scalable, measurable, and aligned with revenue goals.This role demands a high level of initiative and ownership, with the capacity to independently identify opportunities, devise solutions, and lead implementation efforts. You will join a compact Revenue Operations and Growth team, functioning as an individual contributor in a fast-paced environment without a large operational team or existing playbook. We are building rapidly and seek an individual who thrives in this dynamic setting.In close collaboration with Marketing, Sales, and Revenue Operations teams, you will ensure that our targeting, outreach, and reporting systems work cohesively and continuously improve.

Are you a passionate Mobile App Developer looking to take your career to the next level? Join our talent pool at Mission Box Solutions, where innovation meets creativity. We are seeking skilled developers who are excited about creating cutting-edge mobile applications that enhance user experiences.At Mission Box Solutions, we foster a collaborative environment where your skills can shine. Whether you're experienced in iOS, Android, or cross-platform development, we want to hear from you!

About Us:Atto Trading is a forward-thinking quantitative trading firm established in 2010, recognized as a leader in high-frequency trading strategies on a global scale. We are on a mission to expand our diverse, international team of experts in trading, statistics, engineering, and technology. Our disciplined methodology, paired with swift market feedback, empowers us to rapidly transform innovative ideas into profitable results. As a compact firm, we pride ourselves on our agility and unwavering commitment to integrity, creativity, and diligence.Role Overview:We are seeking a proactive and skilled Head of Infrastructure to lead a dynamic engineering team through a pivotal phase of business expansion. This role entails setting strategic direction and delivering critical initiatives within a hybrid environment while maintaining close collaboration with various stakeholders. The ideal candidate will exhibit a blend of technical expertise and team leadership, thriving in a fast-paced atmosphere and dedicated to developing scalable, secure, and highly automated platforms.Key Responsibilities: Lead and mentor an infrastructure team of 7 engineers during significant organizational growth. Oversee essential infrastructure areas such as CI/CD, networking, hardware performance tuning, data platforms and pipelines, scalable computing, security, and access management. Enhance engineering standards through the application of established industry best practices. Champion modernization and upgrades of key stack components with full management support. This hands-on role requires 60-80% technical involvement, reflecting our commitment to maintaining high productivity and profitability per employee.

Join Partiful in Revolutionizing Social Connections!At Partiful, our mission is to foster friendships through unforgettable social events. We believe that gatherings, whether parties or other events, are the most effective way to meet new people and forge lasting connections. Our platform simplifies event planning, allowing hosts to create stunning party pages that facilitate seamless communication with guests. Download our app today and experience the magic!We are dedicated to innovating the event planning process, enhancing real-world connections, and bridging the gap between friends and acquaintances. Our ultimate vision is to transform every in-person experience into a cherished memory, eliminating barriers to bringing your social plans to life. Discover more about our impactful mission in The Washington Post, The New York Times, The Wall Street Journal, The Atlantic, Wirecutter, and USA Today. Partiful has been recognized as Google’s Best App of 2024, a Finalist for Apple’s App Store Awards, and has received the title of App of the Day from Apple multiple times. In 2025, we proudly earned a spot among TIME's 100 Most Influential Companies.

Oscar Health seeks a Director of Financial Transformation to lead strategic change across finance processes and systems. This senior leadership role shapes the vision and governance for financial transformation, focusing on long-term improvements and scalable infrastructure. The position reports directly to the Chief Accounting Officer and plays a key part in integrating initiatives that strengthen Oscar’s financial health. Role overview The Director of Financial Transformation develops and executes strategies to enhance finance operations and performance. This includes building a roadmap for process improvements, overseeing the integration of new systems, and guiding high-impact projects. The role requires influencing senior stakeholders and fostering a team committed to operational excellence. Work location This position is based in New York City with a hybrid schedule. Three days per week are required in the office, including mandatory Thursdays for team meetings and events. The other two in-office days offer flexibility to accommodate individual schedules. Compensation and benefits Annual salary range: $180,504 – $236,911 Equity grants Annual performance bonuses Employee benefits Unlimited vacation policy

Join The New York Times as an Engineering Manager for our Mobile Applications team, where you will play a pivotal role in enhancing our flagship apps to provide an unparalleled user experience. You will lead a talented team of engineers in creating engaging features for our News app, optimizing subscriber value on our Growth Platform, and applying cutting-edge trends in both native and hybrid development for our Games team. Additionally, you will contribute to our Cooking team, helping users discover world-class recipes, or join the App Platforms team to build the foundational technologies that empower all mobile initiatives. This hybrid position is based in our New York City headquarters and involves close collaboration with engineers, product managers, and design professionals to drive innovation and excellence.

Join Duolingo as a Senior Android Engineer focused on enhancing our app builds! In this role, you will collaborate with cross-functional teams to design, develop, and implement innovative features for our Android applications. We are looking for an individual who is passionate about mobile technology and dedicated to delivering a great user experience.

Join our dynamic team at Ansatz Capital as a Research Engineer where your expertise will contribute to the development, testing, and implementation of innovative trading strategies. You will play an essential role in designing and constructing the research infrastructure necessary to evaluate trading concepts effectively.We are seeking candidates with a strong foundation in quantitative analysis, who are passionate about uncovering and capitalizing on statistical patterns within financial markets. Proficiency in Python is essential, as you'll be expected to bring your analytical ideas to life through code. Ideal candidates will not only possess intellectual curiosity but also demonstrate the ability to work independently in maintaining and evolving our trading strategies.Your software development prowess will be highly valued, particularly if you can produce efficient, high-performance code and create user-friendly tools that enhance our quantitative research capabilities and broaden our trading strategy coverage.Compensation includes a competitive base salary, performance-based bonuses, and potential participation in long-term incentive programs.

About Wintermute TradingWintermute Trading stands as one of the foremost algorithmic trading firms in the realm of digital assets. We excel in providing liquidity through advanced algorithms across major cryptocurrency exchanges and trading platforms. Furthermore, we offer a diverse array of OTC trading solutions and lend our support to prominent blockchain projects as well as traditional financial institutions transitioning into the crypto space. At Wintermute, we are not merely a trading entity; we are a critical and influential participant in the digital asset markets, forming strategic partnerships with key industry players. We are actively involved in the blockchain ecosystem's growth through targeted investments, collaborations, and project incubation.Join Us at Wintermute TradingWith a global presence that includes offices in London and Singapore, Wintermute Trading launched its US office in early 2025 and is poised for substantial growth in the coming years. This is a unique opportunity to contribute to the swift expansion of Wintermute Americas.Your RoleWe are on the lookout for an Algorithmic Trader who possesses strong coding skills in Python, a keen sense for trading, and a genuine curiosity about high-frequency trading (HFT), liquidity provision, and cryptocurrency trading. Following a brief training period with our global trading team, you will engage in projects that directly influence the profit and loss (P&L) of Wintermute USA's trading strategies. Your responsibilities will include analyzing extensive trading and transaction data, deriving actionable insights, prioritizing these insights, and formulating solutions based on your analyses. You will enjoy considerable autonomy and responsibility from the outset, while benefiting from the mentorship of seasoned crypto trading experts, facilitating rapid learning without the constraints of outdated systems or corporate red tape. Your impact will be significant, with no limits imposed by the company!

About Wintermute Trading Wintermute Trading is a leading algorithmic trading firm focused on digital assets. The team provides algorithmic liquidity to major cryptocurrency exchanges and platforms, and offers a wide range of OTC trading services. Wintermute collaborates with high-profile blockchain projects and supports traditional financial institutions as they move into crypto. The company invests in, partners with, and incubates projects to help grow the blockchain ecosystem. Learn more here. Wintermute in the U.S. With established offices in London and Singapore, Wintermute opened its U.S. office in early 2025. The company is preparing for significant growth in the Americas, creating opportunities for new team members to help shape the future of the business in this region. Role Overview: OTC Sales Trader The U.S. trading team is hiring a Sales Trader to help expand Wintermute's OTC business. This role is central to building relationships and supporting trading activities with counterparties. Candidates should have a strong background in OTC trading and a proven record in sales trading. What You Will Do Drive OTC business growth in the U.S. market Engage in trading activities across a broad range of digital assets Build and maintain relationships with counterparties Share new ideas to influence OTC strategy and product offerings Work closely with and learn from an experienced trading team About the OTC Desk Wintermute operates as a principal liquidity provider for OTC products, trading over 500 tokens in spot markets and offering all major OTC derivatives, including CFDs, options, futures, and custom solutions. The firm serves more than 2,000 counterparties worldwide, with significant growth potential in the U.S. The team values professionalism and collaboration, and maintains a flat structure with minimal bureaucracy.

Join Talos Trading as a Sales Associate in the dynamic city of New York! We are searching for a motivated individual who is eager to excel in the fast-paced world of trading. In this role, you will engage with clients, identify their needs, and provide tailored solutions that drive our business forward. Your ability to build strong relationships and communicate effectively will be key to your success.

About Wintermute TradingAs a leader in algorithmic trading within the digital asset space, Wintermute Trading is at the forefront of providing liquidity across major cryptocurrency exchanges and trading platforms. Our robust OTC trading solutions support high-profile blockchain projects and traditional financial institutions entering the crypto realm. We are more than just a trading firm; we are a significant player in the digital asset markets, actively engaging with all major industry participants and fostering the blockchain ecosystem through strategic investments, partnerships, and project incubation. Learn more about us here.Join Our Team at WintermuteWith our global presence spanning offices in London and Singapore, Wintermute opened its US office in early 2025, poised for substantial growth in the coming years. This is a unique chance to contribute to the rapid expansion of Wintermute Americas and be part of an innovative team.

Hudson River Trading seeks a Trading Systems Engineer to join the Trading Systems Infrastructure team. This group builds and maintains the technology behind global trading operations. Their work supports high performance and reliability for the ultra-low latency operating systems, automation tools, and development platforms that keep trading strategies running worldwide, around the clock. Role overview The Trading Systems Engineer will help support and improve real-time production trading environments. The work centers on solving challenges that require high availability, high throughput, and ultra-low latency. This role contributes to the development and automation of essential infrastructure components, working alongside a team committed to keeping trading systems operating smoothly at all times. What you will do Support and improve real-time production trading environments Address challenges involving high availability, high throughput, and ultra-low latency Contribute to developing and automating critical infrastructure Collaborate with a team focused on system reliability and uptime Requirements Experience with coding and automation Strong interest in enhancing technology stacks Ability to solve complex technical problems in demanding environments Comfort working where uptime and performance are essential Locations Austin, TX, United States Boulder, Colorado, United States Chicago, Illinois, United States London, United Kingdom New York, NY, United States Seattle, Washington, United States

Atto Trading, a leading quantitative trading firm established in 2010, is at the forefront of global high-frequency trading strategies. We invite a passionate Low-Latency Developer to enhance our dynamic team.Our diverse and international workforce comprises experts in trading, engineering, technology, and statistics. We pride ourselves on a disciplined approach complemented by rapid market feedback, enabling us to swiftly transform innovative ideas into profitable outcomes. In our collaborative and educational environment, we tackle some of the most complex challenges in the industry, maintaining a commitment to integrity, ingenuity, and excellence.Position Highlights:As we modernize our trading and research infrastructure to expand our alpha trading capabilities, this platform will empower researchers to analyze, test, and implement advanced signals, models, and strategies across various asset classes while meeting stringent latency requirements. In your role as a Low-Latency Developer, you'll be instrumental in designing, optimizing, and maintaining high-performance trading systems to ensure minimal latency.Your Mission and Goals:Evaluate and enhance the performance of low-latency trading systems by pinpointing bottlenecks and inefficiencies in the code, and implementing robust solutions.Adapt and develop our platform to meet the rigorous demands of a fast-paced trading environment, effectively managing technical debt.

About KalshiKalshi is pioneering a groundbreaking sector in finance: prediction markets. Our platform empowers individuals to trade on the outcomes of various events, transforming any future question into a financial opportunity. After years of advocacy, we successfully legalized prediction markets in the U.S., establishing ourselves as the fastest-growing financial market in the nation, with thousands of markets spanning politics, economics, finance, weather, technology, AI, culture, and beyond.We envision a world where prediction markets become the largest financial marketplace globally, enabling anyone to engage and invest in the future.Our vision: To construct the largest financial market on Earth.Our mission: To bring greater truth to the world through the power of markets.At Kalshi, our culture revolves around hiring exceptional talent, fostering hard work, and enjoying the journey together. We seek ambitious and remarkable individuals to join our compact team and help build the next generation of financial markets.Your RoleAs a vital member of Kalshi, you will be instrumental in crafting a next-generation financial ecosystem—akin to the NYSE or CME—starting from the ground up. You will engage with various platforms, including core exchange systems, clearinghouses, API infrastructure, and broker connectivity. In our agile team environment, your responsibilities will scale quickly, making your contributions significant and visible.Key ResponsibilitiesDevelop order matching and trade execution algorithms and data structures.Create high-performance data feeds and trading APIs for clients.Design robust clearing systems with high availability, including margining and collateral management.Lead integration efforts with external market makers, brokers, and hedge funds.Conduct stress tests on large-scale systems to ensure their durability and maintainability.Optimize database access patterns and service algorithms for enhanced performance.Innovate new market structures, including non-binary markets and futures.Maintain close contact with customers to define features, launch products, and iterate based on feedback.Deliver rapid and quality deployments, ensuring high standards in your work.