Developer developer Jobs in US

In an industry where people "move fast and break things," this team operates like NASA: moving fast while ensuring correctness, performance, and efficiency are 100% right the first time. You will join an elite team where you aren't a cog in the machine—you are the architect building it.Key Responsibilities:First-Principles Engineering: Invent new protocols, data structures, and algorithms to solve problems no one else has tackledLow-Latency Systems: Design and write high-throughput Java systems from scratch, tuning memory down to the byte and performance to the nanosecondCore Infrastructure: Build parsers, interpreters, and performance profilers from the ground upTechnical Leadership: Mentor senior and staff engineers while making architectural decisions that ensure the correctness of a global ledgerOptimization: Switch fluently between high-level system design and single-instruction-level optimizationRigorous Testing: Build harnesses and tests to ensure mission-critical financial software never breaksRequirementsExperience: 10+ years of professional software development experienceJVM Mastery: Deep understanding of the JVM, including memory models, threading, GC behavior, and performance profilingSystems Background: Experience with parsers, interpreters, compilers, or other language toolingCS Fundamentals: Strong grasp of data structures, algorithms, concurrency, and high-performance code with minimal dependenciesProven Delivery: Ability to deliver a high-performance server from scratch using just the JDK and an IDETooling: Proficient with JMH, PBJ, async-profiler, JFR, YourKit, or similar performance toolsEducation: Master's degree in Computer Science or equivalent deep industry experiencePreferred Good-to-Have Skills:Experience in distributed systems or blockchain technologyKnowledge...

Our goal is to revolutionise open source application and infrastructure operations.We want to transform the world of software operations by enabling true model-driven operations via next-generation infrastructure-as-code. We work in Python, creating open source automation capabilities that simplify operations for anybody, anywhere, who is building on Ubuntu.Most of the team's work involves pure Python software development focused on enabling true DevOps workflows.

Our goal is to revolutionise open source application and infrastructure operations.We want to transform the world of software operations by enabling true model-driven operations via next-generation infrastructure-as-code. We work in Python, creating open source automation capabilities that simplify operations for anybody, anywhere, who is building on Ubuntu.Most of the team's work involves pure Python software development focused on enabling true DevOps workflows.

Our goal is to revolutionise open source application and infrastructure operations.We want to transform the world of software operations by enabling true model-driven operations via next-generation infrastructure-as-code. We work in Python, creating open source automation capabilities that simplify operations for anybody, anywhere, who is building on Ubuntu.Most of the team's work involves pure Python software development focused on enabling true DevOps workflows.

Our goal is to revolutionise open source application and infrastructure operations.We want to transform the world of software operations by enabling true model-driven operations via next-generation infrastructure-as-code. We work in Python, creating open source automation capabilities that simplify operations for anybody, anywhere, who is building on Ubuntu.Most of the team's work involves pure Python software development focused on enabling true DevOps workflows.

Join the technological revolution of automotive electrification and e-mobility at Valeo!About the Role:The SDV Advanced Engineer – Powertrain Innovation Champion leads the transformation of electrified powertrain systems toward Software-Defined Vehicle (SDV) architectures, driving innovation and strategic alignment within the global Power Division. As part of a global SDV strategy network, you will collaborate across divisions, influence the Power Division’s SDV roadmap, and present new ideas to leadership.

You will create and evolve distributed backend systems that serve as the bedrock for products used by millions of users.Infrastructure & Data Platforms: Develop and improve infrastructure for data storage and processing – for example, high-performance databases and modern data processing frameworks – to handle Plaid’s growing data and product needs. Ensure our data infrastructure is robust and can scale effectively.Developer Productivity Tools: Create internal tools, frameworks, and automation to improve developer productivity and efficiency.

You will work with human interface designers, quality assurance teams, and cross-functional engineering teams to go beyond code and influence everything from user interfaces to project planning.DescriptionThe Creator Studio team is seeking a highly skilled Software Engineer with hands-on experience working on AI and creative tools. As a Software Engineer, you will play a key role in designing, implementing, and maintaining new features across our suite of Creator Studio applications.Minimum Qualifications3+ years of proven experience developing and shipping reliable, scalable, maintainable, and testable code.Knowledge of the iOS ecosystem, including system frameworks, APIs, daemons and resource management capabilitiesExperience with Apple’s languages such as Swift and Objective-C, and machine learning development tools such as CoreMLExcellent understanding of an ML-based product lifecycleAbility to write performant, scalable, maintainable, and correct multi-threaded code.Ability to work effectively in a fast-paced environment and manage multiple priorities.Strong communication, collaboration, and project management skills with the ability to articulate technical concepts to both technical and non-technical stakeholders.Bachelor’s Degree in Computer Science or equivalent experience.Preferred QualificationsExperience building APIs or frameworks.Experience building AI tools or working on AI-adjacent projects.Experience with the latest Swift technologies.Experience working with media storage and ...

The Accounting Automation & AI Team is expanding to deliver reliable, scalable automation solutions across the enterprise. This role focuses on designing and developing enterprise‑grade systems, building robust automation workflows, and integrating AI‑enabled capabilities into business processes.

[Industry: Software Development | Type: Full-time | Level: Entry level] We are looking for a Software Engineer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to impro

[Applicants: Over 200 applicants | Industry: Financial Services | Type: Full-time | Level: Mid-Senior level] C++ Developer | Chicago | $200k + BonusWe’re a fast-growing trading firm built by people who care deeply about performance, clean systems, and real-world impact. Our software doesn’t sit on a shelf, it trades live capital, shapes market decisions, and is evolving into commercial products used beyond our own desks.We’re looking for aC++ Software Developerwho wants to work close to the action: building automated trading systems, refining low-latency infrastructure, and helping transform internal tools into polished, market-ready platforms.What You Will Be DoingDesign and implement strategies focused on equity options and equities, with futures coming next.Help shape our existing platforms into commercial-grade software—stable, scalable, and user-ready.Improve system design for performance, reliability, and future expansion into new asset classes.Translate trading ideas and market intuition into robust, efficient technical solutions.Work with large datasets to test, refine, and improve strategy performance.Optimize systems for low latency and high throughput in time-sensitive trading environments.Develop systems that monitor risk, enforce constraints, and support regulatory requirements.Produce clear documentation and reporting that supports both internal development and external users.Core RequirementsStrong C++ skills for server-side development in Linux environmentsExperience building or maintaining real-time, multithreaded systemsSolid grasp of data structures, thread safety, and modern C++ practicesComfort working with networked and distributed systemsAbility to learn new tools and concepts quicklyNice-to-Have (but not required)Experience optimizing for high performance and low latencyExposure to financial markets or trading systemsFamiliarity with SQL and/or NoSQL databasesKnowledge of other programming languages or frameworksBackground in high-performance or systems-level programming