Software Engineer

About Scale AIAt Scale AI, we are dedicated to accelerating the advancement of AI technologies. For over eight years, we have been a frontrunner in AI data solutions, driving groundbreaking developments in areas such as generative AI, defense systems, and autonomous vehicles. Following our recent Series F funding, we are committed to expanding access to frontier data, paving the way toward Artificial General Intelligence (AGI), while enhancing our model evaluation capabilities for both corporate and governmental clients.About Data EngineOur Generative AI Data Engine fuels the world's most sophisticated language models and generative systems through exceptional Reinforcement Learning with Human Feedback (RLHF), human data creation, model assessment, safety measures, and alignment strategies. The data we generate is pivotal in shaping how humanity interacts with AI.Our ApproachDuring the interview process, candidates may be considered for positions across various teams within the Generative AI Engineering division, depending on their interests, skills, and organizational needs. Potential teams include Allocation, Growth, Frontier Data, Trust & Safety, Pay, Operator, or Tasking Experience. Together, these teams drive Scale’s AI data operations—from developing impactful datasets that expand LLM capacities to refining contributor engagement and ensuring data integrity through advanced safety and security protocols. They operate at the intersection of machine learning, operations, and analytics to guarantee the delivery of high-quality data at scale.

Join our innovative team at Datadog, where we are developing cutting-edge AI-driven tools designed to enhance the productivity of our developers. Our mission is to autonomously generate tests, resolve bugs, and optimize performance, enabling our users to excel in their roles.We are seeking a versatile, product-focused engineer who can help us swiftly define, build, and deliver features that transform our Datadog customers into exceptionally efficient developers.At Datadog, we cherish our office culture, which fosters collaboration, creativity, and strong relationships. Our hybrid workplace model ensures that our team members can achieve a work-life balance tailored to their needs.

Join Our Mission at ZeroMarkAt ZeroMark, we specialize in developing cutting-edge AI-driven counter-drone systems that perform effectively in real combat situations. We focus on delivering field-proven technology that genuinely saves lives, eliminating the need for empty promises and presentations.With consistent growth, we've doubled our revenue year over year for two consecutive years, securing contracts that validate our belief: true innovation occurs where it matters most. Our technology converts conventional weaponry into AI-enhanced platforms capable of detecting, tracking, and neutralizing drone threats effectively. After all, a $200 drone should not necessitate a million-dollar countermeasure.What sets us apart? Our operators engage directly with technology in the field. You will validate our systems from Blackhawk helicopters, train alongside elite Tier-1 units, and test our solutions at renowned ranges—from White Sands to the breathtaking cliffs of Hawaii. We mean it when we say our technology is field-tested; you will actively engage with our systems, pushing them to their limits. If you thrive on dark humor and have a thick skin, you might just fit in here.If you're ready to make a tangible impact while enjoying unforgettable experiences, let's connect. We are dedicated to delivering practical, field-tested technologies rather than mere theoretical concepts.

Are you an experienced engineer who excels at developing intricate, high-impact applications from the ground up? Do you find joy in leveraging your profound knowledge of trading systems to design robust, enterprise-grade solutions? If you’re eager to work alongside product and design teams in a dynamic environment where your input significantly influences the product, we would love for you to join our innovative team. As a Staff Software Engineer within Ridgeline’s Order Generation team, you will play a pivotal role in crafting our Trade Order Management solution, a core component of our industry-leading cloud platform for investment management. This is your chance to shape the design and development of a foundational product by utilizing modern technologies in a collaborative and creative setting. You will engage hands-on in product architecture, guide fellow engineers, and utilize AI tools such as GitHub Copilot and ChatGPT to enhance development speed, foster innovation, and improve code quality. At Ridgeline, our work culture is as significant as the products we create. Ridgeliners embody ownership, prioritize growth over comfort, and communicate transparently. We embrace positive intent, favor action, and present solutions instead of just problems. We celebrate victories, learn from challenges, and flourish in a resilient, collaborative, high-performing atmosphere. If this resonates with you, we are eager to connect! Note: You must be work authorized in the United States without the need for employer sponsorship.

About Us:At Fireworks AI, we are at the forefront of creating next-generation generative AI infrastructure. Our cutting-edge platform is recognized for delivering the highest-quality models with unparalleled speed and scalability in inference. Independently benchmarked as a leader in LLM inference speed, we drive significant advancements through innovative projects, including our proprietary function calling and multimodal models. As a Series C company valued at $4 billion and backed by leading investors such as Benchmark, Sequoia, Lightspeed, Index, and Evantic, we are a dynamic team of builders, comprised of veterans from Meta PyTorch and Google Vertex AI.The Role:We are seeking a talented Software Engineer to join our AI Infrastructure team. In this pivotal role, you will contribute to designing and developing the foundational systems that power Fireworks AI’s generative AI platform. Your focus will be on building robust infrastructure and tools that guarantee the reliability, performance, quality, and availability of our AI systems.Our mission is to establish Fireworks AI as the most dependable and user-friendly generative AI platform globally. You will collaborate closely with our cloud infrastructure, product, and performance teams to create infrastructure solutions that connect our customers with the high-performance proprietary Fireworks inference engine.Key Responsibilities:Design and develop scalable backend infrastructure supporting distributed training, inference, and data pipelines.Build and maintain essential backend services, including LLM CI/CD pipelines, control planes, and model serving systems.Enhance performance optimization, cost efficiency, and reliability across compute, storage, and networking layers.Create frameworks and safeguards to ensure Fireworks AI maintains the highest model quality in the industry.Work alongside performance, training, and product teams to translate research and product requirements into effective infrastructure solutions.Engage in code reviews, technical discussions, and continuous integration and deployment processes.

Why Join Moonshot AI?Envision a web that autonomously transforms itself to enhance sales, improve conversions, and accelerate growth.At Moonshot AI, we’re pioneering this future by integrating generative AI, extensive data processing, and innovative experimentation into a self-adaptive online ecosystem.As a well-capitalized, early-stage startup with grand ambitions, your role here transcends that of a typical employee — you’ll actively contribute to shaping the company’s technical and cultural foundation. If you've ever aspired to have the freedom of a founder while being supported by elite investors, this opportunity is for you.What You'll Create & LeadIn the position of Staff Software Engineer, you will serve as the technical cornerstone of Moonshot's evolution engine, responsible for designing scalable systems, steering engineering strategy, and mentoring your colleagues.Your work will blend hands-on expertise with high-level architectural insight, transforming visionary ideas into technical realities.You will:Innovate at the forefront of generative AI - develop systems that empower AI to autonomously reason, experiment, and implement tangible changes to the web.Architect the next generation of our experimental engine - ensuring it is scalable, observable, fault-tolerant, and capable of handling millions of daily events.Design and advance our backend infrastructure utilizing Python (Flask-RestX), serverless AWS, and various data pipelines (ClickHouse, Postgres, Kinesis, Firehose, S3).Lead technical strategy - establish our engineering principles and evolve the architecture across microservices, data ingestion, and LLM-driven systems.Mentor and uplift - enhance the skills of senior and mid-level engineers through code reviews, collaborative programming, and detailed design documentation.Collaborate across teams - partner with AI, product management, and data science to translate business objectives into robust systems.Prototype and expand boundaries - rapidly bring concepts to production while balancing experimentation with thoroughness.Enhance performance, security, and reliability as we scale towards SOC 2 certification and enterprise clientele.This role emphasizes technical leadership without the responsibilities of people management: pure design, significant leverage, and complete ownership.

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.

Join our innovative team at Merge API Integration Sandbox as a Software Engineer III. We are looking for a talented engineer with over 5 years of experience in software development. You will work on cutting-edge projects, collaborating with cross-functional teams to design, develop, and maintain high-quality software solutions. Your expertise will be vital in driving our technical initiatives and enhancing our product offerings.

At January, we are on a mission to revolutionize consumer finance by infusing humanity into the financial landscape. Our innovative, data-driven solutions empower financial institutions to enhance their collection processes, providing borrowers with clear, compassionate pathways to regain their financial footing. We are not merely increasing access to credit; we are restoring dignity and enabling millions to pursue financial independence.Role OverviewWe are seeking dynamic Senior Software Engineers to play a pivotal role in shaping the future of January’s technology platform. You will have the opportunity to apply to our organization as a whole, allowing us to match you with the team where your unique skills and interests will create the greatest impact.As a Senior Engineer at January, you will do more than just write code. You will take ownership of product outcomes, set the technical direction, and mentor fellow engineers while building systems that enhance the financial well-being of millions.Current teams looking for talent include:Borrower Acquisition: Scaling our communication platforms to ensure that the right borrowers receive the right message at the right time.Borrower Activation: Developing features in the Borrower Portal that assist individuals in resolving their accounts and achieving financial stability.Compliance and Money Operations: Ensuring our financial systems are accurate, scalable, and compliant while facilitating efficient money movement at scale.Your ResponsibilitiesDesign and implement highly scalable systems that serve millions of borrowers and financial partners.Contribute to architectural design and roadmap planning, shaping the direction of core projects.Lead by example through engineering excellence, advocating for best practices and maintaining high code quality.Mentor junior engineers to enhance the team's skills and capabilities.Collaborate across departments, working closely with Product, Design, and Operations to deliver impactful solutions.Propose and refine company-wide engineering processes in collaboration with other senior leaders.Qualifications5+ years of professional software development experience.Strong technical proficiency (experience in Python, React, Postgres, AWS is desirable; we welcome diverse backgrounds and are willing to teach these technologies).Exceptional problem-solving abilities and a passion for creating impactful solutions.Experience in designing and implementing scalable systems.Excellent communication skills with the ability to collaborate effectively across teams.

Role OverviewAwarded Software is on the lookout for a Senior Software Engineer who is passionate about transforming the scholarship landscape to make it fairer, more accessible, and transparent.Each year, $240 billion in financial aid is available, yet a substantial amount is squandered, adversely affecting both students and donors. The scholarship ecosystem is plagued by outdated processes such as paper applications, unwieldy Excel spreadsheets requiring multiple approvals, and a stark lack of automation—leading to lost opportunities to change students' lives.At Awarded, we have developed an innovative product that is already making waves across universities nationwide. We are seeking a driven and skilled engineer to join our team, enhance our development speed, and help us expand our reach. Key ObjectivesDesign and implement enhancements to our backend to effectively address and streamline complex scholarship workflows for institutions of all sizes.Lead initiatives to integrate Awarded with our clients' systems for a seamless user experience.Become a versatile expert across our technology stack, producing high-quality code for our frontend, backend, and infrastructure while balancing performance and maintainability. What Defines SuccessExcellence in Code: Your code should not only function but be a testament to your craftsmanship—efficient, maintainable, and scalable.Accelerated Outcomes: You are committed to a rapid development pace, continually pushing the product to new heights and providing ongoing value to users.Autonomous Leader: You are self-motivated and resourceful, thriving both independently and in collaborative settings.

Playground builds software to help child care providers manage their businesses more efficiently. The platform supports thousands of schools across the United States, with a focus on making high-quality child care more accessible. The company has secured millions in funding and holds several statewide contracts, reflecting strong momentum in the education technology space. Playground’s founders have been recognized on the Forbes 30 Under 30 list for their work in child care technology. The team values a culture where ownership and collaboration are central. Engineers at Playground regularly work together on challenging projects that have a direct impact on customers and the broader child care sector. Role overview This Staff Software Engineer position is based in New York City. The role centers on building and improving Playground’s core products as the company grows. Engineers here contribute to significant technical decisions and help shape the future of the platform. What you will do Work on complex software projects that support child care businesses nationwide Collaborate closely with other engineers and teams to deliver high-impact solutions Take ownership of technical challenges and contribute to a culture of shared responsibility Requirements Experience leading or contributing to large-scale software projects Ability to work effectively in a collaborative, team-driven environment Based in or willing to work from New York City

About Us:At Camber, we are dedicated to revolutionizing healthcare through innovative software solutions. Our mission is to enhance the quality and accessibility of healthcare by eliminating tedious manual tasks, allowing clinicians to concentrate on what truly matters: delivering exceptional care. To learn more about our vision, please visit our detailed write-up: What is Camber?We have successfully secured $50M in funding from prestigious investors including a16z, Craft Ventures, YCombinator, Manresa, and others who are passionate about improving healthcare accessibility. For further insights, check out: Announcing CamberCompany Culture:Our commitment to transforming behavioral health is deeply ingrained in our operations. We aim to not only innovate in behavioral health but also redefine how startups function. Here are key aspects of our culture:1) We are passionate about enhancing healthcare accessibility and quality; every member of the Camber team is devoted to supporting clinicians and patients alike.2) We believe in the power of humor. The complexities of the healthcare system can be overwhelming, and we choose to tackle them with a light-hearted approach.Role Overview:As a Senior Staff Software Engineer at Camber, you will play a crucial role in crafting reliable, high-quality software that addresses significant challenges and drives essential workflows. You will provide technical leadership, oversee comprehensive solutions, and foster growth within your team.Key Responsibilities:Lead Technical InitiativesFacilitate architectural discussions and guide technical decision-making within your team.Establish and uphold standards for quality, performance, maintainability, and scalability.Oversee End-to-End Project DeliveryLead the execution of intricate features from design through to production deployment.Ensure the reliability, performance, and scalability of all delivered solutions.Mentor and Develop Team MembersGuide engineers through pair programming, code reviews, and design discussions.Cultivate a culture of continuous learning and improvement within the team.Drive InnovationPropose and implement improvements to enhance overall process and product quality.

At Justworks, we foster a collaborative and laid-back work environment where innovation thrives. As a Senior Software Engineer, you will take ownership of significant projects, work alongside talented teams, and contribute to solutions that enhance customer experiences. Your role will focus on building and maintaining robust applications while ensuring the security and efficiency of our systems.

Join Datadog as a Senior Staff Software Engineer specializing in Generative AI and Machine Learning within our Application Performance Monitoring (APM) team. APM empowers users with unparalleled insights into application performance, helping them to pinpoint bottlenecks, resolve issues, and enhance service efficiency. With features like distributed tracing, profiling, and integrated dashboards, Datadog APM delivers comprehensive visibility into application health.In this role, you'll be a key technical leader, focusing on innovative workflows driven by Generative AI. Your responsibilities will include designing, training, evaluating, and deploying AI/ML models at scale. We seek a product-oriented ML engineer with robust technical expertise, exceptional communication abilities, and a proven history of executing impactful projects from inception to completion.At Datadog, we value our collaborative office culture and the creativity it fosters. Our hybrid work environment allows our team members to maintain a work-life balance that suits them best.

Join a Trailblazer in Conversation IntelligenceAt Rilla, we are pioneering the future of conversation intelligence software tailored for offline commerce. Our innovative platform meticulously records, analyzes, and indexes conversations, delivering exceptional insights that empower critical physical businesses—the backbone of our economy.Our mission? To equip traditional industries with cutting-edge technologies that have propelled the most innovative companies of the 21st century. This vision has catapulted Rilla into one of the fastest-growing companies in history, achieving a remarkable growth trajectory from $0 to $40M in just 3.5 years, maintaining a 15% month-on-month growth rate, boasting a net revenue retention above 170%, an NPS that surpasses that of the iPhone, and achieving profitability.Your RoleAs a Senior Software Engineer at Rilla, you will be at the forefront of our engineering efforts, architecting and deploying features across the entire stack with unparalleled speed. Daily, you will develop end-to-end workflows, transition them into production, and tackle real-world challenges at a grand scale.In this pivotal role, you will set the standard for code quality and decision-making, fostering a world-class engineering culture as we scale. As Rilla expands tenfold, your responsibilities and influence will grow correspondingly, as you build the tools, frameworks, and platforms that empower both you and Rilla to thrive exponentially.Are you someone who thrives on obsession? Do you dream of becoming a founder or a leader, harnessing AI to revolutionize the physical world? We believe that Rilla is the ideal environment for you to learn and grow alongside the best peers in the industry.Technologies We LeverageA variety of languages and frameworks such as React, React Native, TypeScript, and Python.Open-source technologies including Node.js, PostgreSQL, Turborepo, Lodash, and Zod.Standard industry build tools like GitHub Actions, Terraform, and Spacelift.Our Core ValuesAn infinite learner who is perpetually curious.A customer-centric individual who prioritizes truly solving customer pain points over superficial metrics.A team player with a winning mindset, embracing accountability, collaborative learning, and constructive feedback.Deep empathy for our customers, recognizing that they operate in the real world and require understanding to devise effective solutions.Fearless in the face of failure, viewing risks as opportunities for growth and improvement.

Join Maybern as a Staff Software Engineer, where you will play a crucial role in designing and developing innovative software solutions. We are seeking a talented individual who thrives in a collaborative environment and is passionate about creating high-quality code.Your responsibilities will include leading software design, implementing scalable applications, and mentoring junior engineers. This position offers an exciting opportunity to influence the technology stack and contribute to groundbreaking projects.

Role Overview Polymarket is looking for a Software Engineer to help build and improve software that powers its markets. This role works closely with teams across the company to design, develop, and refine applications that support user experience and participation.

Join Ensco, Inc. as an Avionics Software Engineer III, where you will play a vital role in the development and enhancement of cutting-edge avionics systems. You will collaborate with a dynamic team of engineers to design, implement, and test high-quality software solutions that meet and exceed industry standards.

Join Baton Technologies, a cutting-edge software development firm based in the heart of New York City, as a Software Engineer. We are on the lookout for innovative and talented individuals who are passionate about building scalable software solutions that deliver exceptional user experiences.As a Software Engineer, you will work collaboratively with cross-functional teams to design, develop, and maintain software applications while leveraging modern programming languages and technologies. You will have the opportunity to contribute to various phases of the software development lifecycle, from concept through implementation and deployment.