Top Software Engineer Jobs in Philadelphia, PA

Build secure, production-critical payment infrastructure for AI agent transactions. Design Python and FastAPI services, APIs, domain models, provisioning workflows, and cryptographic payment flows. Ensure scalability, reliability, observability, security, and comprehensive testing. Use Kubernetes, AWS, Terraform, and GitOps to automate infrastructure. Collaborate with product, security, infrastructure, platform, and card-network partners while applying AI-assisted engineering practices.

Develops, tests, documents, debugs, and maintains secure programs and scripts for applications, interfaces, data processing, and automation. Reviews specifications, writes database queries and API integrations, performs unit and regression testing, supports integration and user-acceptance testing, documents code and releases, and participates in code reviews, security reviews, and change-control activities.

Leads engineering for Buffer’s Growth area across acquisition, activation, and retention. Coaches engineers, shapes priorities with Product, Design, Marketing, and Data, guides technical decisions, connects customer insights to measurement, supports AI-enabled development, and contributes to hiring and engineering practices. The role requires strong technical judgment, product-growth understanding, clear communication, and experience helping engineers develop in a distributed environment.

Own and manage client relationships, make architectural decisions, run discovery and stakeholder interviews, deliver software or automations, and contribute intellectual property back to the practice.

Build, deploy, and maintain production software that improves robotics operations. Develop internal tools, dashboards, automations, and integrations; learn and contribute to an Elixir-heavy system and Google Cloud applications. Partner with Operations and Engineering to discover workflow improvements, validate AI-assisted code, improve reliability, and support applications after launch.

Build full-stack prospect demo solutions for ecommerce search and discovery products. Develop JavaScript data collection tools, front-end integrations, ETL workflows, dashboards, alerts, and open-source UI libraries and REST clients. Validate prospect data, support integrations, answer technical questions, collaborate with sales and product teams, and contribute to automated testing, code reviews, and demo infrastructure.

Develop and maintain Salesforce Commerce Cloud ecommerce websites, integrations, feeds, and platform features. Design architecture, troubleshoot performance and caching, manage domains and repositories, ensure platform compliance, mitigate project risks, and optimize site infrastructure. Collaborate with agencies and cross-functional teams while developing and mentoring junior engineers.

Build and improve Grafana’s plugin ecosystem, including Marketplace features, plugin discovery, installation, delivery, review, developer tooling, and portal experiences. Develop across Grafana’s frontend, Go services, and grafana.com; improve reliability and operations in Grafana Cloud; collaborate with plugin developers, partners, product managers, and internal teams to shape the roadmap.

Develop and support full-stack software using C#, .NET Core, ReactJS, MVC, LINQ, REST APIs, and SQL Server. Responsibilities include designing, testing, deploying, troubleshooting, and upgrading applications; maintaining data feeds and interfaces; participating in software reviews; supporting continuous improvement; and collaborating with internal and external customers. The role is remote within the United States, requires US citizenship, may require security clearance eligibility, and may involve 5% travel.

Hands-on Delivery Engineer supporting customer implementations, integrations, technical demonstrations, production events, and issue resolution. The role translates customer and contractual requirements into technical solutions, investigates system behavior across APIs, configurations, logs, and data flows, and collaborates with engineering, product, implementation, operations, security, and infrastructure teams. It is designed for early-career technical talent developing broad expertise across customer delivery, technology, product, and support.