Top Software Engineer Jobs

Lead full‑stack development of customer-facing grid capacity and planning product surfaces. Design backend‑for‑frontend layers, API contracts, and data access patterns. Partner with PM/UX and backend/data/AI/power teams to translate complex outputs into reliable, performant interfaces and shape engineering standards and architecture.

Develop and maintain full-stack applications using Python/FastAPI and ReactJS. Build RESTful APIs, manage PostgreSQL schemas and migrations, containerize with Docker, and deploy/monitor applications on AWS. Participate in Agile ceremonies, write automated tests, and collaborate with cross-functional teams to deliver secure, scalable solutions for a federal program.

Design and implement full‑stack product features for Pylon’s B2B post‑sales platform, prototype and ship quickly, leverage AI in workflows, own projects end‑to‑end, and collaborate with PMs, designers, and engineers to improve customer support and success operations.

Summer 2027 software engineering internship building full‑stack features and AI‑enabled prototypes for Pylon's B2B post‑sales platform. Work end‑to‑end with PMs, designers, and engineers, iterate quickly, and ship production features.

Build full‑stack product features for post‑sales workflows using AI; prototype, iterate, and ship quickly; own projects end‑to‑end; collaborate with PMs, designers, and senior engineers; work in‑person in San Francisco and contribute to a high‑growth startup environment.

Lead and mentor junior engineers to build proofs of concept. Perform code reviews, testing, debugging, and contribute to architecture. Maintain system documentation, implement DevSecOps and agile best practices, integrate COTS/GOTS, author technical reports, and demonstrate capabilities to stakeholders. On-site role with significant travel and occasional outside-hours work.

Lead technical direction and architecture for cloud-native systems, design scalable APIs and microservices, ensure reliability and security, guide and mentor multiple engineering teams, advise clients, prototype solutions, and evaluate emerging technologies to de-risk delivery.

Develop and design enterprise-grade, highly scalable Java-based applications and microservices using Spring, REST, JPA/MyBatis, CI/CD tools and cloud infrastructure. Participate in Agile teams, contribute to architecture and testing, and support global delivery across stakeholders.

Design, develop, support and maintain middleware and integration solutions. Administer application instances and database schemas, troubleshoot performance, produce SDLC deliverables, translate business requirements into technical designs, and support governance and change-control processes.

Design, build, and scale .NET-based e‑commerce systems. Work across front-end and back-end, consume/write web services, implement database solutions, mentor junior engineers, participate in Agile teams, and support CI/CD and automated testing.

Full-stack .NET developer building and maintaining SaaS-based single-page applications. Responsibilities include developing SPA clients, web services, SQL integrations, automated tests (BDD/TDD), optimizing TypeScript/HTML/CSS, troubleshooting production issues, and supporting operations and service delivery.

Develop and maintain Java-based applications using Spring, web services, JSP/Servlets, and application servers. Lead small teams, collaborate with offshore resources, participate in requirements analysis, estimation, code reviews, and configuration management across SDLC (Waterfall/Agile).

Design, develop, test, and document enterprise-scale .NET software for bill payment solutions. Produce detailed design specs and unit tests, implement Microsoft MVC solutions, follow TDD and coding standards, mentor developers, estimate effort, collaborate with QA, architecture, and client teams, and support production incidents.

Design, develop, and test systems and network software for modeling & simulation (M&S), LVC environments, and systems engineering. Integrate hardware/software, support databases, ensure DoD cybersecurity compliance, participate in technical reviews, field tests, and provide VV&A and real-time communications support for military simulation and operational rehearsal.

Design, develop, test, install, and maintain desktop software solutions. Collaborate with engineers, data teams, and customers; provide technical leadership and support, and coordinate site commissioning and reporting/visualization needs.

Design and develop modular test and automation software (Python/C/C++) for spacecraft component verification. Integrate software with hardware test equipment, analyze test data, troubleshoot automation infrastructure, and manage project plans to deliver reliable production test systems.

Hiring IT and software professionals (0–5 years) for roles including software developer, programmer analyst, systems/functional/business/QA analyst, and consultants. Work involves enterprise solutions (SAP, Workday, Oracle, Salesforce, Kronos), Big Data/ETL/BI tools, and programming (Java, .NET, C/C++, Python, Ruby). Freshers welcome; strong communication skills and a relevant bachelor’s degree required for H1B eligibility.

Develop, design, and maintain secure, scalable web applications. Collaborate with senior leadership and staff to translate product and technical requests into features, identify and fix bugs, and manage priorities in an Agile, fast-paced environment. Contribute to high-traffic application development and team-driven project delivery.

Build, design, maintain, test and troubleshoot websites. Implement site structure with HTML/CSS/JavaScript, integrate design assets from Adobe Creative Suite, create backups, debug code, and adapt sites for new platforms including mobile.

Develop and maintain Ruby on Rails applications; design scalable, secure features; write clean, test-driven code; collaborate across the full development lifecycle and follow CI/CD and Scrum practices.

Designs, implements, and owns iOS features end-to-end. Writes maintainable, tested code, debugs production issues, collaborates with product/QA/design, mentors junior engineers, and supports operational tasks for the digital platform.

Build and modernize Java-based, cloud-native microservices for short-term trading, cash, and collateral systems. Develop scalable REST and event-driven services using TDD and CI/CD, migrate workloads to AWS (Lambda, EKS, RDS, S3, MSK), apply AI tools to accelerate development, improve observability, and collaborate closely with traders and front-office stakeholders across the full software lifecycle.

Design, develop, and maintain full-stack software for live broadcast content automation. Collaborate with production, design, and operations to deliver scalable features, contribute to architecture, mentor teammates, and provide 24/7 support for live production environments. Work spans server-side and front-end tech and integrates external data feeds.

The Senior Java Software Engineer will design, develop, and maintain software applications, collaborate with teams, perform coding and debugging, and mentor junior developers.

Design, build, test, deploy, and support enterprise web and mobile applications and integrations. Develop RESTful APIs, cloud integrations, and use AI-assisted tools. Participate across the SDLC, troubleshoot issues, maintain documentation, and collaborate with business and technical stakeholders to deliver secure, scalable solutions.