Lead Back End Software Engineer

OverviewPosition: Lead Quantitative Software EngineerWork Schedule: 5 days a week at NYC headquartersBase Salary: $225,000 - $375,000 annuallyEquity: Attractive initial equity package along with refreshersExperience Requirement: Minimum of 4 yearsAbout Stratos Labs Inc.Stratos Labs Inc. is at the forefront of revolutionizing commodity risk management for the $10 trillion physical economy. By integrating real-time market data with AI-driven exposure modeling and automated trade generation, we empower operators to navigate volatility with precision. Our platform offers instant execution, ongoing monitoring, alerts, and tailored recommendations, transforming complex market risks into a seamless hedging engine that operates continuously.Founded in 2023 by the youngest macro market-maker at Barclays and a seasoned trading systems engineer from Coinbase, we have successfully secured over $20 million in funding from prominent investors like Andreessen Horowitz (a16z), Crucible Capital, Neo, and Crossbeam Venture Partners.Key ResponsibilitiesDesign Tomorrow's Trading Infrastructure: Spearhead the development of our trading system as we expand into new markets and onboard additional clients.Performance-Oriented Engineering: Construct and enhance low-latency distributed systems, ensuring optimal pricing and minimal risk.Team Development: Cultivate a world-class engineering team by hiring, mentoring, and collaborating with founders on complex challenges in financial technology.End-to-End Ownership: Manage critical systems from market data ingestion to order execution and risk monitoring, maintaining our clients' operations around the clock.QualificationsThorough knowledge of data structures, algorithms, design patterns, and system fundamentals.Proven experience in architecting and developing intricate financial systems, particularly in low-latency event-driven distributed systems.Strong sense of ownership and teamwork, with the ability to collaborate effectively to maintain momentum and achieve goals.Ability to thrive in ambiguous situations, adapt quickly, and independently navigate fast-paced environments.Outstanding problem-solving skills, with a knack for breaking down and addressing complex tasks.Preferred SkillsFamiliarity with programming languages and tools such as Golang, Python, C++, gRPC, PostgreSQL, Kafka, and AWS.

Automate backtesting processes utilizing in-sample and out-of-sample methodologies.Ensure high standards of data quality and organization.Identify opportunities for enhancement and innovation within existing trading systems and processes.Develop and refine algorithms focused on effective risk management.Propose and implement new techniques and technologies to meet strategic objectives.

At Ripple, we are pioneering a future where value is transferred with the same ease as information today. Our mission is bold and transformative. Through our innovative crypto solutions, we empower financial institutions, businesses, governments, and developers to enhance the global financial system, fostering greater economic fairness and opportunities for people across the world. Here at Ripple, you will have the chance to do the most fulfilling work of your career, all while being supported by a team that truly cares about your growth.If you are eager to make a significant impact and unlock extraordinary career advancement opportunities, we invite you to join us in creating tangible value.THE WORK:Are you an experienced Lead Technical Recruiter who possesses a keen eye for talent and a profound understanding of the quantitative landscape? Ripple is looking for a Lead Technical Recruiter to become a vital part of our progressive team. In this role, you will be instrumental in securing the top talent needed to fuel our rapid growth and drive algorithmic innovation. You will take charge of the entire recruitment process for specialized Quantitative Engineers and Researchers, collaborating closely with hiring managers to attract the brightest mathematical and technical minds.As part of this role, you will engage with a versatile team and play a significant part in shaping the future of Ripple. You will work with our Talent Acquisition team to devise and implement a sophisticated recruitment strategy that aligns with our strategic objectives while ensuring an exceptional candidate experience for high-caliber talent. Join us and help us reshape the global payments landscape through cutting-edge engineering!WHAT YOU’LL DO:Manage the specialized recruitment process from talent sourcing to intricate offer negotiations for Quantitative Engineering and Algorithmic Trading roles.Develop strategic initiatives to meet ambitious hiring goals, collaborating with Engineering Leads to align on technical priorities and performance metrics.Design innovative sourcing strategies to attract elite talent from niche environments such as Kaggle, GitHub, ArXiv, competitive programming forums (Codeforces), and quantitative finance conferences (NeurIPS, ICML).Deliver a premier candidate experience, keeping sophisticated candidates informed and well-prepared for rigorous technical assessments.

At Altana, we are redefining the landscape of global trade through our innovative AI-powered product network. Our mission is to empower governments and businesses, fostering a more resilient and secure global economy while ensuring seamless trade operations.The Opportunity at AltanaJoin our dynamic Engineering team, where you will be instrumental in developing platforms, APIs, services, workflows, and logical architectures that bring our vision to life. Our AI-driven platform is designed to handle vast amounts of data and serve a diverse array of clients. This complex system will challenge and expand your engineering skills in multiple dimensions. You will collaborate closely with our Data Scientists to analyze world-scale datasets, write scalable code that unveils unprecedented insights, and create APIs that fulfill our product vision.

Medicircle is seeking an innovative and dynamic Lead Software Engineer to join our talented team in New York. In this role, you will lead software development projects, mentor junior engineers, and contribute to the architectural design of our applications. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet the needs of our users.

Join IMC as a Quantitative Developer, where you will take charge of transforming research into actionable trading strategies. This position uniquely combines research and engineering, allowing for continuous feedback from the initial concept to live trading. Your role will involve creating sophisticated systems that leverage quantitative insights to develop a competitive edge, with direct visibility into the impact of your contributions.

About MonacoExperience lightning-fast execution and unmatched institutional depth with Monaco. Our platform, crafted by seasoned Wall Street professionals and innovative crypto builders from top-tier institutions, offers a comprehensive trading ecosystem for spot, perpetual contracts, and prediction markets. Our state-of-the-art execution engine is designed with a focus on performance, compliance, and capital efficiency, uniting diverse asset classes into a seamless trading experience. More than just an exchange, Monaco is establishing the future of a global trading network.The RoleWe are seeking a Lead Quantitative Developer to spearhead the design and implementation of systematic risk management frameworks. In this pivotal role, you will be responsible for the architecture, execution, and upkeep of Monaco's central risk engines across various products and asset classes. This is a unique opportunity to collaborate closely with our founders and contribute to delivering an unparalleled trading experience.Key ResponsibilitiesDirect the design and development of the core risk engine, including a sophisticated multi-instrument margining system that integrates both crypto and real-world assets.Influence the design and expansion of additional products (e.g., Decentralized Options Vaults, iterative looping vaults) with a priority on risk management.Who You AreOver 6 years of experience in systematic trading and/or quantitative development roles, particularly across diverse asset classes including both crypto and traditional markets.A thorough understanding of crypto market microstructure (including oracle design) and the risk management frameworks employed in existing centralized and decentralized exchanges, alongside traditional finance models (such as VaR, SPAN, SIMM).Proficient in Rust programming language.A proactive individual capable of generating ideas and executing them while maintaining a solid grasp of technical intricacies.Bonus qualifications:Previous experience on an exchange risk management team.Knowledge of low-level architecture and hardware optimization.

Mark43 is excited to announce we are open to hiring talent in Canada, the UK, and 36 U.S. states, including Alabama, Arizona, California (excluding San Francisco), Colorado, Connecticut, Washington D.C., Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, North Carolina, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, and West Virginia. Before applying for this remote position, please ensure you can fulfill the role from one of the aforementioned states. Please note, state locations and specifics are subject to change as our hiring requirements evolve.Applicants must be authorized to work for any employer in the country where the role is being recruited. At this time, we are unable to sponsor or take over sponsorship for any employment visa.Mark43’s mission is to empower communities and their governments through innovative technology that enhances safety and quality of life for all. Our dedication is to build powerful, scalable, and elegant software that establishes new standards for the tools relied upon by our first responders. Recognizing the diversity of our users, we are committed to fostering a team that embraces diverse thoughts and experiences.We are looking for seasoned and imaginative senior software engineers who have successfully delivered enterprise-scale solutions and released commercial software to enterprise clients. Join us to help create the next generation of cloud-based public safety software. As a senior member of the Mark43 team, you will take full ownership of projects and features from inception to completion, establishing yourself as a trusted resource for your peers. You will develop robust server-side solutions tailored to our unique challenges related to scale, security, and reliability. We utilize technologies such as React, TypeScript, Node.js, SQL, Redis, and Elasticsearch and actively participate in the open source community. As an engineer at Mark43, you will enjoy a culture that encourages innovation and collaboration.

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.

Join Maximus Tribe as a Lead Software Engineer / Technical Lead Manager, Growth in a 100% remote role where you'll play a pivotal part in driving the growth and innovation of our technology. In this dynamic position, you'll lead a team of developers and collaborate with cross-functional stakeholders to create scalable solutions that enhance user experiences.

Role overview Project Healthy Minds seeks a Lead Software Engineer based in New York, NY. This role sets the technical direction for digital mental health products and manages an engineering team dedicated to building tools that promote mental wellness globally. What you will do Guide and mentor a team of engineers, fostering collaboration and supporting their professional development Design, develop, and maintain scalable software applications aimed at mental health solutions Oversee every stage of the software development lifecycle, including architecture, implementation, and deployment Our mission Project Healthy Minds creates digital products that help make mental health resources more accessible and effective for people everywhere.

Are you an experienced software engineer with a passion for back-end development? Join our innovative team at dev2, where we value creativity, collaboration, and cutting-edge technology. As a Lead Back End Software Engineer, you will play a crucial role in designing and implementing robust software solutions that drive our projects forward.

Virtu Financial is a premier financial services firm that utilizes advanced technology to provide liquidity to global markets and innovative, transparent trading solutions for our clients. As a market maker, Virtu contributes significantly to the efficiency of markets worldwide by offering deep liquidity. Our expertise in market structure, comprehensive diversification, and cutting-edge execution technology allows us to present competitive bids and offers across more than 19,000 securities at over 235 venues in 36 countries globally. Our complementary core offerings—market making, client execution services, and trading venues—equip Virtu with a distinct competitive edge in the development and application of innovative tools that enhance operational efficiency and performance throughout the organization. We are continuously advancing our technology, trading strategies, and risk management systems to drive superior, scalable trading platforms. We are seeking an experienced Quantitative Strategist to elevate our technological capabilities in the options trading domain. Quantitative Strategist - Options Desk ROLE OVERVIEW As a Quantitative Strategist on our Options desk, you will work alongside a team of seasoned traders, quants, and developers in a collaborative and collegiate environment that promotes global cross-team engagement. KEY RESPONSIBILITIES Utilize your expertise to design new predictive models, generate actionable signals, and transform them into effective trading strategies. Collaborate with the team to implement and integrate new signals into our existing trading infrastructure. Calibrate strategies across various products and adapt to evolving market conditions. Partner with traders to refine existing processes and systems. Employ observational skills and modern statistical techniques to construct effective predictive models. Research and implement innovative volatility trading strategies and signals. Analyze and optimize current strategies to enhance performance metrics. Develop advanced risk models and frameworks to manage cross-product portfolio risks in volatile market conditions.

About AdaptiveAdaptiveSecurity stands at the forefront of AI cybersecurity, being the exclusive investment of NVIDIA and OpenAI in this crucial field.As a pioneering startup, our mission is to thwart AI-driven cyberattacks. Following a successful funding round in December 2025, we secured $81M in Series B financing led by NVIDIA and Bain Capital Ventures, with contributions from Capital One Ventures, Citi Ventures, and ongoing support from Andreessen Horowitz (a16z), the OpenAI Startup Fund, and Abstract Ventures. This landmark funding round signifies NVIDIA's inaugural venture into AI cybersecurity.Founded by seasoned entrepreneurs Brian Long and Andrew Jones, who have a track record of building and scaling industry-leading companies, Adaptive is poised for growth. Previously, they co-founded Attentive, which achieved over $500M in annual revenue and a valuation exceeding $10B, along with TapCommerce, acquired by Twitter. Their extensive experience in fostering high-growth, product-centric businesses is integral to Adaptive's ambition to create a robust security framework for the AI landscape.Our trusted solutions are utilized by leading banks, technology firms, and healthcare providers, safeguarding teams against emerging threats such as deepfakes, smishing, and AI-generated voice scams. With swift enterprise adoption and a market potential exceeding $200B, Adaptive is just getting started.RoleWe are on the lookout for a Lead Software Engineer who is passionate about crafting high-quality software within a dynamic startup atmosphere where each engineer significantly influences product outcomes and company growth.In this role, you will tackle our most intricate and far-reaching technical challenges. You will set the technical vision, mentor fellow engineers, and oversee critical components of our platform. This position is ideal for a leader who inspires through influence, engages directly in problem-solving, and elevates the performance of those around them.ResponsibilitiesDefine technical direction and unite the team around common objectives.Manage multiple projects from inception to completion, regardless of size or complexity.Mentor and advocate for engineers to facilitate their professional development.Resolve obstacles — when the team faces challenges, you will clarify trade-offs and assist in decision-making.Collaborate closely with product and design teams — in this role, you will make strategic decisions that shape the product's trajectory.Engage directly in coding and technical tasks when necessary, rather than solely delegating.Foster a culture of ownership, urgency, and technical excellence.Stay abreast of cutting-edge technologies and introduce innovations that enhance our platform.

At Jahnel Group, we are committed to creating an unparalleled environment for software developers to unleash their creativity by connecting them with clients engaged in meaningful projects.Our team builds some of the most intricate and engaging applications for clients across the nation. Recognized as a fast-growing INC 5000 company, we maintain a close-knit culture with over 100 employees. As we expand rapidly, we invite you to join our team for a beer or coffee to explore your next career opportunity with us.WHO WE ARE LOOKING FORThe Principal Software Engineer represents the intersection of technical expertise and visionary leadership within a vast and complex landscape. In this role, you will tackle the most challenging problems, demonstrating mastery in performance, scalability, system architecture, and software engineering best practices.As a Principal Engineer, you will be a seasoned diplomat, excelling in collaboration and communication; you will listen, understand, persuade, develop, motivate, and champion change. You will lead technical projects to ensure their success.Curiosity is vital, excellence is expected, and your goal will be to deliver substantial value and drive progress. You will be responsible for establishing team policies, creating procedures, and ensuring adherence while serving as a role model for your peers.PRIMARY RESPONSIBILITIESCraftsmanshipExpert in reading, writing, testing, and debugging software across several core technical domains.Renowned advocate of essential tools and concepts relevant to your skill set.Proficient in crafting high-quality documentation for both developers and end users.Expected to hold others accountable to high standards and be a champion of best practices throughout the organization.Problem SolvingSkilled in various software development methodologies (i.e., Agile, Scrum), managing multiple teams simultaneously.Expert in software architecture and design documentation.Proficient in planning, designing, estimation techniques, and workload management across multiple teams.Accountable lead on significant projects (root cause analysis, refactoring, transformational initiatives, etc.).Review and create work items/streams for multiple teams, collaborating with product owners and external stakeholders to design realistic roadmaps.

Join Our Team as a Quantitative ResearcherEngineers Gate (EG) is at the forefront of quantitative investment, specializing in computer-driven trading across global financial markets. Our team comprises talented researchers, engineers, and finance professionals dedicated to leveraging advanced statistical models to analyze data and uncover predictive signals that yield exceptional investment returns. Each investment team operates with distinct strategies while utilizing our proprietary technology and data platform to enhance alpha research.We are looking for a driven and experienced Quantitative Researcher to become a vital part of one of our systematic equity trading teams. In this position, you will harness the existing research and trading frameworks to create innovative systematic trading strategies throughout their lifecycle—from comprehensive data analysis to idea generation, backtesting, and eventual deployment. The ideal candidate will possess robust programming skills and a passion for in-depth data analysis, facilitating creative alpha generation based on a profound understanding of data and financial acumen. As a member of a small team, you will report directly to the Portfolio Manager, engaging in all facets of systematic trading, which presents substantial growth opportunities for the right individual.We emphasize continuous learning and professional development, making this role a unique chance to collaborate and learn from seasoned experts in the field.At Engineers Gate, we are committed to advancing systematic trading through innovative quantitative analysis. If you thrive in a dynamic, data-driven environment, we invite you to apply and join us on this exciting journey.

Join SeatGeek: Where Live Events Come to LifeAt SeatGeek, we believe in the transformative power of live events. Our mission is to revolutionize the ticketing industry with cutting-edge technology and a fan-centric approach. We're on a quest to make live experiences accessible and enjoyable for everyone.We are seeking a seasoned security engineering professional to join our dynamic Security team as a Lead Software Engineer, Security. In this pivotal role, you will engage in a diverse range of responsibilities including incident response, threat hunting, security engineering, and elements of red teaming.Your leadership will be crucial in driving critical security initiatives that enhance our secure-by-default posture across our platform, products, and entire organization. By combining architectural insight with hands-on engineering, you'll create scalable tools, paved roads, and automated detection/response systems. In our fast-paced, collaborative environment, you will work closely with various teams to mitigate risks while enabling builders to maintain their momentum. As a lead engineer, you will oversee impactful projects from inception to completion, mentor fellow engineers, and help cultivate a culture that prioritizes security as a foundational aspect of our operations—from cloud and code to devices, identity management, email security, and overall awareness.

At Morgan & Morgan, we are dedicated to making a difference. For countless Americans, we serve as their ultimate guardians against the overwhelming power of insurance companies, large corporations, and faulty products. Our firm encompasses attorneys from all 50 states, client support specialists, innovative marketing teams, and operational experts—all working collaboratively to champion consumer rights. With a workforce of over 6,000, we are unified by a singular mission: For the People.We are in search of a passionate Software Engineering Tech Lead who excels at developing high-quality software and nurturing engineering teams through technical excellence and teamwork. In this pivotal role, you will steer the technical vision, mentor engineers, and foster sound engineering practices within a dynamic, agile environment. You will oversee the design and implementation of scalable systems utilizing Python (FastAPI), React, and AWS.This is a hands-on leadership position that seamlessly integrates technical expertise with impactful mentorship and guidance.Key Responsibilities:Enhance code quality: Advocate for test-driven development, maintain code hygiene, and promote clean architecture throughout the team.Design leadership: Take ownership of creating and reviewing technical design documents that facilitate shared understanding and informed decision-making across teams.Agile delivery: Direct sprint planning, retrospectives, and incremental delivery with a strong focus on iteration and value generation.Lead by example: Architect and develop scalable, resilient systems across the backend (Python/FastAPI), frontend (React), and cloud infrastructure (AWS).Raise the bar: Establish and maintain rigorous standards for code quality, testing procedures, performance, and maintainability.Mentor and develop engineers: Offer technical guidance and encourage a culture of growth through consistent feedback and coaching.Drive technical alignment: Conduct code and design reviews, and facilitate engineering discussions that lead to well-documented, thoughtful decisions.Champion documentation: Create and review technical design documents to support implementation and ensure long-term clarity.Build for resilience: Design systems with fault tolerance and observability at their core; guide the team in applying principles of reliability and operational excellence.Lead incident response and learning: Engage in and enhance incident response processes, drive actionable postmortems, and foster a culture of continuous improvement.Cross-functional alignment: Collaborate with product managers, designers, and other stakeholders to ensure alignment on roadmap priorities.

Join our dynamic team at mangroup as a Senior Quantitative Developer. In this pivotal role, you will leverage your expertise in quantitative analysis and software development to create innovative solutions that drive our trading strategies and risk management processes. This position offers an exciting opportunity to work with cutting-edge technologies and collaborate with a team of talented professionals in the heart of New York City.