Top Senior Software Engineer Jobs

Leads software application engineering for ASML’s BRION lithography products, including customer integration, installation, product tuning, troubleshooting, and on-product performance optimization. Partners with engineering, customer support, and marketing teams to address customer node requirements and product roadmaps. Trains and leads software application engineers, supports customer business development, and helps integrate solutions into semiconductor manufacturing environments.

Build and ship end-to-end full-stack software features for F2’s AI-driven financial platform. Develop critical platform components, integrate LLMs, retrieval, or agents, improve scalability and reliability, establish engineering standards, and mentor engineers. Collaborate with product, security, and go-to-market teams to deliver production-ready capabilities for private markets and commercial banking customers.

Develop and analyze reusable algorithms for missile tracking and state estimation. Responsibilities include applying mathematics and statistics to data analysis, implementing tracking algorithms and motion filters, developing tools and prototypes in modern C++ and Python, testing and validating algorithms, resolving defects, and preparing technical documentation. The role requires collaboration across teams, Linux proficiency, numerical computing expertise, and support for travel up to 10%.

Develop and own production software controlling and calibrating neutral-atom quantum computers. Build backend services, control frameworks, scientific data pipelines, CI/CD systems, and containerized deployments. Debug the full control stack from embedded kernels through distributed services, collaborate closely with physicists and hardware engineers, and create tooling for experiments, real-time image analysis, and object detection.

Build and own end-to-end full-stack systems for flight operations and autonomy. Develop backend services for telemetry, command-and-control, data ingestion, and analytics. Create frontends for ground control and operator workflows. Design APIs and data pipelines, integrate with embedded and avionics teams, support flight tests and field ops, and drive systems from concept to production.

Build scalable React/TypeScript frontends to visualize and interact with large-scale, real-time telemetry. Define data models and workflows, optimize rendering and performance, collaborate with product, design, and backend teams, and turn ambiguous requirements into intuitive, mission-critical interfaces for technical users.

Own and evolve scalable backend systems and infrastructure powering educational products. Build end-to-end features, design APIs, operate production systems, improve observability and CI/CD, support reliability and incident response, and provide technical leadership through architecture discussions, code reviews, and mentorship. The role requires close collaboration with product and design teams, comfort with ambiguity, and occasional full-stack contribution.

Own and lead backend engineering initiatives for financial platforms, designing scalable Java and Ruby distributed services, Kafka data streams, PostgreSQL databases, AI-enabled features, and React components. The role includes production operations, observability, testing, and collaboration with product, architecture, and engineering teams to deliver resilient software.

Build and operate Triumph’s full-stack product platform, including payments, ledger systems, identity, fraud prevention, notifications, operational dashboards, and infrastructure. Ensure critical systems are reliable, auditable, and scalable across products, countries, currencies, and 16x growth. Develop new payment rails, trust tooling, and platform capabilities while using AI agents throughout the software development lifecycle.

Design, build, and maintain scalable backend services, APIs, data pipelines, and integrations using Python. Develop automated tests, optimize performance, containerize applications with Docker, deploy Kubernetes workloads through Helm, and maintain CI/CD security and quality gates. Collaborate with agile, cross-functional teams to deliver resilient production systems while contributing to architecture, peer reviews, debugging, and DevSecOps practices.

Design, build, and scale backend services and APIs for an AI detection platform. Own AWS infrastructure, reliability, performance, observability, data pipelines, caching, and production model serving. Collaborate with machine learning and frontend teams, resolve scaling bottlenecks, and establish best practices for testing, deployment, and incident response.

Develop and maintain the Zepharis web product suite across frontend, backend, database, and deployment layers. Build full-stack features with Python, React, FastAPI, PostgreSQL, and related technologies; troubleshoot local, CI, and production issues; architect schemas and migrations; document technical decisions; and mentor engineers through code reviews and design discussions.

Develop scalable, secure, performant web applications and data pipelines for healthcare technology. Partner with engineering, product, and business stakeholders on technical roadmaps, use Agile practices, improve observability and reliability, and mentor junior engineers through coaching and code reviews. Responsibilities include database querying, technical decision-making, API development, data ingestion, cloud technologies, containerization, CI/CD, and handling sensitive data.

Lead the software architecture and development of a clinical prototype for precision surgery. Build robust multi-device communication infrastructure, high-performance data and image processing, real-time systems, and responsive desktop interfaces. Collaborate with hardware, research, mechanical, electrical, and clinical teams while balancing rapid prototyping with regulated medical software requirements. Mentor engineers, establish software processes, and guide development through first-in-human studies.

Develop productionized machine learning workflows, cloud infrastructure, distributed data-processing pipelines, and a multi-tenant data lake for autonomous-driving AI. Build internal APIs, CI/CD processes, and developer productivity tools while collaborating with research engineers. The role requires strong software engineering, DevOps, infrastructure-as-code, microservices, networking, and data infrastructure expertise.

Develop and maintain web and AI-based enterprise applications through design, coding, testing, debugging, documentation, and code reviews. Integrate AI-assisted and agentic development tools into engineering workflows, manage context and harness engineering, and mentor teammates on responsible AI use. Collaborate across teams, lead projects and design efforts, improve processes and technology choices, and build secure, scalable services using modern backend stacks, REST APIs, databases, cloud infrastructure, and CI practices.

Build and enhance FinTech alternative-investment platforms across the full application stack. Develop Angular and backend solutions, REST APIs, and event-driven microservices using Node.js and related technologies. Participate in design meetings and Agile ceremonies, collaborate with product managers, testers, sales, support, and third-party API teams, and apply AI-assisted development workflows, system design, cybersecurity practices, TDD, and continuous delivery.

Staff Software Engineer responsible for owning major platform areas end to end, including service design, data modeling, APIs, deployment, observability, and production operations. The role sets technical direction, partners with product and design, models government-domain workflows, mentors engineers, and supports reliability, security, compliance, and audit needs. Experience with distributed systems, cloud infrastructure, asynchronous workflows, and optionally LLM agents, workflow orchestration, Kubernetes, and government compliance is valued.

Senior Software Engineer responsible for designing backend-heavy TypeScript and Node.js services, building REST APIs, modeling PostgreSQL data, supporting production systems, improving reliability and observability, and owning services end to end. The role includes incident investigation, technical planning, partner integrations, code review, mentoring, and occasional React work. Engineers collaborate with Product and Engineering leadership while developing expertise in crypto and stablecoin payments.

Develop and integrate software for flight simulators, including avionics, aircraft-system simulations, tactical environments, and interfaces for audio, visual, motion, I/O, and instructor stations. Responsibilities include software architecture, requirements analysis, development, testing, documentation, customer presentations, and mentoring junior engineers. Work is performed across Linux and Windows using multiple programming languages and development tools.

Integrates, deploys, configures, and troubleshoots software across high-performance computing systems and specialized Linux environments. Develops automation scripts, supports HPC schedulers and parallel processing, manages monitoring and logging tools, performs root-cause analysis, and assists with system deployments and upgrades. Collaborates with engineering teams to resolve integration and performance issues while documenting configurations and procedures.

Design, develop, test, and deploy Java-based features for a secure Apache NiFi data transmission application supporting the US intelligence community. Integrate systems across enterprise networks, contribute to the technical roadmap, ensure code quality through testing and continuous integration, and mentor junior engineers while working in an Agile environment.

Develop and maintain complex software systems supporting mission-critical environments, including real-time processing, large-scale analytics, and data applications. Responsibilities include software design, development, testing, troubleshooting, requirements analysis, technology evaluation, quality control, and lifecycle support. Serve as a technical lead across multiple teams, coordinate with customers and systems engineers, and delegate programming and testing work. The role requires extensive software engineering experience and an active TS/SCI clearance with current polygraph.

Develops, tests, debugs, documents, integrates, and maintains software applications for a classified program. Works within a cross-functional Scrum team to create features, bug fixes, scripts, acceptance criteria, automated testing, and integration solutions using Java and related development tools. Coordinates installations, monitors system performance, and applies software engineering best practices in a SCIF environment.

Designs, develops, tests, and maintains scalable identity and access management applications using Java and JavaScript. Responsibilities include implementing complex system components, resolving bugs, conducting code reviews, supporting CI/CD, and defining logging, instrumentation, and alerting requirements. The role collaborates with technical stakeholders, translates requirements into software designs, participates in Agile or Waterfall environments, performs pair programming, and mentors junior developers. Experience with identity providers, OIDC, databases, cloud infrastructure, containers, and Kubernetes is valuable.