Top Software Engineer Jobs

Senior Software Engineer responsible for designing and building scalable C#/.NET backend systems and APIs on AWS, using AI-assisted coding tools. Ensure test coverage, performance SLAs, contribute to architecture decisions, and mentor engineers across products including LoopNet.

Design and implement low-latency, high-performance trading systems across distributed systems, concurrency, OS, networks and computer architecture. Develop/maintain feed handlers, OMS and order execution components (FIX), collaborate on large codebases, lead projects, and iterate on trading technology to optimize latency and reliability.

The Principal Software Engineer will design and oversee architecture for software systems, collaborate with teams, and ensure robust, secure solutions for debt solutions products.

Design and implement ultra-low-latency C++ trading gateway components, build market access interfaces (FIX/OUCH), optimize NUMA-aware multithreaded systems, employ userspace networking, lock-free techniques, and compiler/cache optimizations, and lead related projects.

Design and implement low-latency C++ gateway infrastructure for market access. Build and optimize order-entry interfaces (e.g., FIX, OUCH), apply NUMA-aware multithreading, userspace networking, compiler/cache optimizations, and lock-free techniques. Contribute to architecture and performance tuning using strong algorithms, data structures, and modern C++ best practices.

Design and build customer-facing web apps (React, TypeScript) and backend microservices (C#, .NET Core). Lead software design and code reviews, implement CI/CD and testing, evaluate emerging technologies, and contribute to AI initiatives within the CRM platform.

Develop, test, and deploy enterprise Java applications using Spring and Angular. Build REST/microservice components, use Git, JPA, SQL, JSON, SOAP, XML, CI/CD, caching, and service discovery. Perform code reviews, optimize performance, participate in architecture reviews, and collaborate with the development team to deliver projects.

Design and implement interactive learning building blocks and clear APIs, own implementations from idea to launch, write maintainable code, collaborate in cross-functional teams, and ensure AI-interoperability and pedagogical correctness in interactive experiences.

Design, develop, test, deploy, support, and maintain complex web applications for e-commerce, mobile, intranet, and internal systems. Perform code and design reviews, mentor developers, create software models, write T-SQL queries/stored procedures, and use monitoring tools (Elastic, Dynatrace). Deliver solutions using ASP.NET MVC, C#, JavaScript/TypeScript, jQuery, Angular, and CI/CD practices within an Agile environment.

The Senior Software Developer will design and develop web and mobile applications, collaborate with scientists, implement APIs, and mentor developers.

Design and build the control plane for Hyperbolic's GPU marketplace. Responsibilities include API development, identity management, and scalable architecture design for distributed systems.

Lead technical direction for a critical application area, modernize legacy systems, design scalable APIs, improve CI/CD and observability, troubleshoot production issues, promote responsible AI-assisted engineering, and mentor engineers while aligning technical decisions with business priorities.

Design and implement core improvements to Monad's blockchain protocol, including consensus, gossip, and state sync. Build high-performance system components in Rust/C++; design experiments, optimize performance, and collaborate with a small research-driven engineering team.

The Staff Software Engineer will design and build custom solutions focusing on scalability, optimize data processes, and enhance client applications while collaborating with cross-functional teams to drive innovation in programmatic advertising.

The Senior Software Engineer will develop and enhance complex software systems, innovate RF signal processing applications, and integrate software solutions while ensuring adherence to design requirements and testing protocols.

Prove correctness of Monad production C++ code by writing machine-checked proofs using Rocq/Coq, Iris, and BRiCk. Model system designs, verify concurrent/parallel execution and novel runtime mechanisms, strengthen proof automation, and scale verification for a fast-moving blockchain codebase.

Lead the design and implementation of data pipelines and infrastructure, set technical standards, mentor engineers, and manage data governance.

Lead design and implementation of scalable backend systems that ingest, process, and serve high-volume health data. Own projects end-to-end, drive integrations with third-party APIs, improve data reliability and observability, mentor engineers, and partner with product, clinical, and data teams to deliver clinically meaningful insights.

Lead modernization of MetTel's Bruin platform: design architecture, build full-stack services and customer features on a modern stack, retire legacy patterns, operate containerized services (Kubernetes), establish CI/CD/IaC practices, mentor engineers, and contribute backend depth to AI-enabled features and platform initiatives.

The Senior Software Engineer will work on full-stack deliverables, manage support tickets, and enhance the tech stack for improved efficiency, focusing on analytics and automation in OOH advertising.

Design, develop, and maintain internal business applications and automated test frameworks for cable modem hardware. Build and consume REST APIs, work with relational databases, develop CI pipelines, lead code reviews, partner with business and test engineers, and produce documentation to support reliable, scalable test and operational systems.

The Senior Software Engineer will build foundational AI infrastructure, design platforms and tools for AI applications, ensure reliability, and collaborate with AI teams to support production cases.

Build and own backend and full-stack systems powering agentic AI automations for healthcare. Design runtime reliability, queues, run-state management, testing, observability, and human-in-the-loop recovery. Translate ambiguous requirements into technical plans, ship features for automation creation, workflow testing, and production monitoring, and mentor teammates while owning services end-to-end.

The role involves designing and implementing Salesforce solutions, ensuring best practices, conducting code reviews, and mentoring junior developers, while collaborating with product teams and managing stakeholder relationships.

Build and maintain Dyno's scientific data platform and cloud infrastructure for reliability, scalability, and security. Translate scientific questions into production APIs, pipelines, and user-facing tools. Drive engineering quality via code and architecture reviews, move prototypes to production, and collaborate cross-functionally to support scientists and external partners.