Top Software Engineer Jobs

Build and maintain full-stack applications, microservices, APIs, and highly available AWS services using Node.js and event-driven architectures. Develop tested, documented code across front-end and back-end layers, deploy and scale applications, monitor systems with Datadog, and contribute to technical design and production support. Collaborate with stakeholders, reverse-engineer legacy applications, use AI-assisted development tools, and own ambiguous projects through completion while contributing to quality improvements.

Design, develop, test, and deploy Workday integrations. Create integration specifications and field mappings, evaluate technical impacts, maintain documentation, perform root cause analysis, collaborate with product and configuration teams, and ensure compliance and HR data confidentiality.

Lead technical design and delivery of large-scale, cloud-native marketing platforms. Build distributed Java/Spring Boot services, REST APIs and web frontends, drive platform modernization on AWS/Databricks, champion quality, observability, automation, and GenAI adoption, and lead cross-functional engineering teams.

Build and operate large-scale backend services and offline ETL pipelines in Java/Scala, deploy and maintain ML models, improve performance and reliability, diagnose production issues, develop test automation, and collaborate with cross-functional teams to evolve service architecture.

Design and build tier-1 microservices and backend components for the Unified Messaging Platform using Java/Scala. Implement asynchronous cloud data transformations, ensure scalability and reliability, lead technical design and code/architecture reviews, participate in Agile ceremonies, provide rotational on-call support, own features end-to-end, and collaborate with product, QA, operations, and other stakeholders.

Join an on-site Chicago team building high-performance C++ trading systems. Design, develop, test, profile, and troubleshoot low-latency applications while collaborating with traders and senior engineers. Receive mentorship, training on markets, and exposure to production lifecycle and performance tuning.

Join an on-site Chicago team building high-performance C++ trading systems. Contribute to design, development, testing, profiling, and troubleshooting. Collaborate with traders and senior engineers, receive mentorship, and gain exposure to the full lifecycle of low-latency trading platform development.

Design, implement, and maintain C++ components for a global electronic trading platform. Collaborate on system design, perform code reviews, troubleshoot production issues, and improve system stability while participating across the software development lifecycle.

Develop, test, operate, and maintain mainframe banking software. Write production-ready COBOL code, design scalable solutions, perform code reviews, troubleshoot failures, and follow security/compliance and DevOps practices within an agile team.

As a Software Development Engineer, you will develop, maintain, and support applications, analyze software specifications, and collaborate with various teams to implement solutions while ensuring quality and performance.

Leads software engineering projects for an international promotions and rewards service. Responsibilities include translating requirements into scalable solutions, designing and developing code, unit testing, code and design reviews, troubleshooting production issues, root cause analysis, technical documentation, stakeholder communication, project planning, and mentoring teams of 4–6 engineers. Partners with product, UX, business, and project management teams to deliver reliable solutions and improve system performance.

Designs, codes, tests, debugs, documents, and supports production software across the full SDLC. Collaborates with users and teams, contributes to architecture and estimates, follows secure coding practices, and works within Agile (Scrum/Kanban) teams to deliver solutions and maintain system reliability.

Develop, test, analyze, document, and maintain business-critical software applications and reports. Collaborate with developers, designers, systems analysts, network administrators, and business users to define requirements, resolve software issues, plan projects, and implement solutions. The role requires application development experience with Microsoft technologies, relational databases, deployment methodologies, source control, change control, data privacy, and effective communication with technical and nontechnical stakeholders.

Build and maintain Python backend services, REST APIs, WebSocket endpoints, cloud data-ingestion systems, and IoT device-management capabilities. Design PostgreSQL schemas and data strategies, improve telemetry reliability, develop automated tests, troubleshoot production systems, and support CI/CD, monitoring, and infrastructure. Collaborate with embedded, hardware, frontend, and product teams to deliver end-to-end features for provisioning, fleet management, firmware updates, and real-time device communications.

Design and implement RESTful APIs and front-end integrations, build and secure webhook/event receivers, manage server-to-server aggregator integrations, and develop queue-based background job processing. Collaborate with QA, Product, and Cloud teams, write tests and documentation, perform pair programming, and handle system monitoring, error management, and performance testing using Java, Spring, AWS, PostgreSQL, and MongoDB.

Develop, maintain, and enhance complex cloud-based Big Data software systems for mission-critical operations. Responsibilities span front-end and back-end development, data ingestion, analytics, indexing, database interfaces, testing, deployment, troubleshooting, and performance optimization. The role requires collaboration across the software lifecycle, integration of distributed cloud technologies, documentation, and mentorship of software developers. Systems use modern web technologies, microservices, Kubernetes, containers, and Linux environments.

Build the core infrastructure for an AI-native investment research and automated trading platform. Responsibilities include experiment environments, compute orchestration, storage, observability, deployment pipelines, sandboxed agent tooling, data ingestion and versioning, backtesting, production reliability, monitoring, failure recovery, and AI-native engineering practices. Collaborate closely with researchers and quants to move ideas from experiments into deployed strategies.

Design, develop, test, operate, and maintain backend-driven mobile products and SDK integrations. Write production-ready code, perform failure analysis, conduct code reviews, ensure compliance and security, apply DevOps and SRE practices, collaborate in Agile teams, and support high-scale distributed systems and monitoring.

Develops, tests, debugs, integrates, and supports software applications and metadata harvesting solutions. Builds features, performs code reviews, troubleshoots incidents, maintains documentation, and collaborates with architects, cloud infrastructure, governance, and platform teams. The role supports data catalog, metadata management, data quality, cloud data platforms, secure engineering, production deployments, and continuous improvement within a highly governed financial-services environment.

Design, develop, test, operate and maintain mainframe banking software (Hogan). Own full-stack code, perform code reviews, ensure security/compliance, improve reliability, analyze failures, and work in agile/DevOps environments while contributing to technical design and operational improvements.

Develops mission-critical software for SpaceX simulation and flight systems. Responsibilities include prototyping, building high-performance real-time data streaming modules, maintaining flight software and high-fidelity simulations, improving platform reliability and scalability, and contributing to test automation and CI/CD infrastructure. The role partners with engineering teams and customers to deliver capabilities for ground and space systems.

Build and own full-stack software supporting simulation, emulation, flight systems, and vehicle analysis. Develop prototypes, high-fidelity simulation platforms, and scalable distributed systems used across SpaceX’s design, testing, and operations pipeline. Improve reliability and performance while partnering with engineering users to deliver productivity-enhancing features. The role requires software development experience, full-stack web application expertise, programming in Python, C, C++, or Rust, database experience, and the ability to obtain a Top Secret clearance.

Architect and build backend systems for a real-time Command and Control platform directing large swarms of heterogeneous aircraft. Develop distributed infrastructure for mission control despite intermittent communications, ingest and process high-throughput telemetry and sensor data, and manage scheduling and data links. Own backend features from design through deployment while supporting reliability, scalability, CI/CD, QA, and DevSecOps practices.

Lead frontend architecture for Legion’s real-time Command & Control platform, enabling operators to plan and direct large swarms of heterogeneous aircraft. Build collaborative, resilient interfaces for telemetry, sensor data, scheduling, crew resources, and data-link management during intermittent communications. Establish frontend standards, mentor engineers, and deliver performance-sensitive applications with strong CI/CD, QA, and DevSecOps practices.

Build front-end and full-stack features for an AI-enabled behavioral health platform, including RCM automation, EHR features (AI scribes, intake automation, clinical analytics), and data pipelines for claims and clinical records. Ship high-quality software quickly and collaborate closely with cross-functional teams.