Top Software Engineer Jobs in Portland, ME

Contribute to and optimize the performance of ClickHouse, assist with debugging, collaborate with teams, and engage with the open-source community.

Develop, test, and maintain software applications. Design scalable solutions with the engineering team, work in Agile, and use Java, Python, SQL, and Git to meet user and business needs.

Lead research and design of high-power wireless EV charging systems: perform high-fidelity electromagnetic and thermal FEA, model and simulate resonant circuits and power electronics, prototype and evaluate designs, prepare proposals and technical presentations, and collaborate with industry and internal teams. Publication and automotive experience expected.

Work on full-stack web applications serving millions of users: design, build, test, and deploy features, support CI/CD and data ingestion pipelines, triage production issues, and write maintainable, testable code while collaborating in an agile team.

Join the Query Integration team to enhance MongoDB's query engine, integrating features, improving performance, and contributing C++ code with a focus on database systems.

Lead design and operation of test infrastructure at scale: test orchestration, smart selection, parallel sharding, flaky-test detection, observability, SLOs, and on-call. Define technical strategy, drive cross-team projects, mentor engineers, and reduce test feedback time to accelerate engineering velocity.

Own quality engineering and test automation for BRINC's LiveOps web platform and backend services. Design and maintain automated API, integration, and end-to-end test frameworks, validate security/IAM controls and ML/vision outputs, build test infrastructure, run performance/load testing for real-time streaming and teleoperation, integrate tests into CI/CD, triage failures, and produce quality metrics and release-readiness reports.

The Software Engineer in Platform Operations designs and manages core infrastructure, ensuring secure, scalable, and reliable platform operations while collaborating with software engineers to improve deployment experiences.

Design and build secure, scalable systems as a Full-Stack Software Engineer, leveraging expertise in Next.js, TypeScript, PostgreSQL, and AI tools to enhance cybersecurity within global infrastructure.

The Senior Full-Stack Software Engineer will design, build, and maintain secure, scalable web applications using modern technologies, with a focus on AI-assisted development and application security.

As a Systems Engineer, you will enhance Windows support for Swift and develop features for internal projects and the Swift community, focusing on system architecture and tooling improvements.

Develop and maintain ClickHouse's billing platform, integrate with external systems, design secure frameworks, and collaborate with cross-functional teams to enhance business processes.

Design, develop, deploy, and operate scalable full-stack software and RESTful services. Collaborate on APIs and web applications, perform code reviews, support production operations and on-call, and maintain clear documentation while promoting good engineering practices.

Build and deliver end-to-end product capabilities using Python and Next.js/TypeScript. Lead design, implementation, reliability, observability, CI/CD, and integrations. Champion AI-assisted development practices and agentic coding workflows, collaborate cross-functionally, and ensure production readiness and operational excellence.

Senior technical leader responsible for architecting and delivering complex, distributed, cloud-native systems on Microsoft Azure; driving adoption of AI-assisted development tools; implementing observability, monitoring, and reliability practices; leading cross-team delivery, performance optimization, and incident response; and mentoring engineers in design and best practices.

Lead a hands-on engineering team to improve reliability, reduce technical debt, and maintain Greenshades' payroll/HR/tax products. Drive AI-first workflows, own reliability backlog and incident root-cause analysis, set engineering standards, partner with product/QA, report to the CTO, and recruit and develop engineers.

Build and improve a browser extension and serverless backend using a strongly-typed functional stack. Design algorithms to locate page elements, extract structured data, and integrate AI for web automation. Collaborate on a small distributed team focused on usability and reliability.

Own and deliver major features across the flight booking funnel: flight search, booking creation, and post-booking fulfillment. Implement award ticket pricing, point transfers, and integrations with airlines and GDS partners. Collaborate with the flights expert to scale routing, booking engines, and partnership integrations.

Unpaid software engineering internship focusing on full-stack web development with TypeScript, Next.js/React and Node/Express. Work on front- and back-end features, responsive UI with Tailwind, animations with Framer Motion, PostgreSQL and MongoDB integration, REST APIs, microservice-based architecture, code reviews, debugging, and product planning in a remote-first startup.

Build and own user-facing features and core platform architecture across frontend, backend, and ML pipelines. Integrate AI workflows (LLMs, embeddings) for curriculum generation and automated evaluation. Manage end-to-end development: requirements, design, implementation, CI/CD, testing, observability, and iteration while collaborating with product, design, ML, and customer teams.

As a Software Engineer at Texas Sports Academy, you will design and ship AI-driven software features across various systems while collaborating directly with founders.

As a Compiler Engineer, you'll enhance compiler performance, support multiple operating systems, develop toolchains, ensure interoperability, and contribute to open source.

The role involves building platforms and core systems for identity services at Keycard, focusing on developing distributed systems and CI/CD automation while creating a best-in-class developer experience.

Design and build operational data systems, including pipelines, storage layers, and APIs for near real-time enforcement and insights, balancing streaming and batch paradigms.

Design and build core identity, authentication, and authorization systems for Keycard, focusing on security and multi-tenancy across dynamic, distributed environments.