Top Software Engineer Jobs in Portland, ME

As a Founding Software Engineer, you will build and ship product features for construction workforce management while collaborating closely with founders, influencing product architecture and culture.

As a Full Stack Software Engineer at Goodbill, you'll develop data systems and user experiences, work with diverse data sources, and integrate AI features, ensuring high-quality consumer-facing applications.

The Senior Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

As a Back End Software Engineer, you will build scalable APIs, ensure system efficiency, and contribute to company initiatives, while operating independently and collaborating with other engineers.

Design and build systems for managing bare-metal infrastructure, focusing on automation, hardware provisioning, and software integration with Linux systems.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.

Build and maintain backend cloud services for connected devices, focusing on telemetry ingest, device state management, command/control, and integrations. Own features from design through production, use AI-native engineering practices, collaborate with firmware/mobile/platform teams, write and test reliable code, participate in on-call rotations, and contribute to incident response and documentation.

Build and maintain full-stack web systems (Node.js/TypeScript backend, Postgres, React) and AI-enabled features. Design end-to-end features, collaborate with educators and TAs, iterate in a small team, and deliver production-quality user-facing functionality.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug contracts, document processes, and provide technical support while staying current on blockchain and payments trends.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, troubleshoot Ethereum issues, and stay current with Ethereum advancements.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to deliver features, troubleshoot and optimize app performance, and propose enhancements based on emerging technologies.

Build and maintain full-stack features for a crop insurance claims platform using Node.js/TypeScript and Vue.js. Translate regulatory materials (RMA/FCIC) into data models and logic, investigate PASS/NCIS errors, collaborate with claims and underwriting teams, write tests, follow security best practices, and travel periodically.

Design, build, and maintain data platform tools, ensuring data quality and integrity. Collaborate with data science teams and enforce best software practices.

Design, build, test, and maintain production services and microservices with security and compliance in mind. Deliver production-ready code, participate in code reviews, own operational support and incident response, improve monitoring and CI/CD, document technical decisions, and collaborate cross-functionally in a distributed team.

Build and maintain performant frontend components and pages using React and Next.js; consume GraphQL APIs via Apollo; implement accessible reusable UI aligned to Yahoo UDS; write tests and support CI/CD; optimize frontend performance; own features end-to-end and collaborate with backend, design, and product teams.

Design, develop, and maintain cloud-native, event-driven supply chain and warehouse services. Contribute to APIs, message processing, integrations, database design, troubleshooting, and CI/CD. Collaborate on roadmap, requirements, and program plans while continuously learning and improving system performance and reliability.

Design, build, and deliver cloud-native software enhancements for investor and tax applications. Develop microservices on AWS/Kubernetes, implement CI/CD and TDD practices, integrate messaging systems like Kafka, debug relational databases, and collaborate with DevOps and stakeholders to improve scalability, resiliency, automation, and cross-team initiatives.

Lead technical direction for major full‑stack product areas, architect scalable systems across frontend, backend, and data, build AI-powered features (LLMs/embeddings), drive large cross-team initiatives, establish engineering standards (reliability, testing, observability), remove systemic risks, and mentor engineers while partnering with product and design to deliver customer-focused outcomes.

The Principal Software Engineer will lead the technical strategy for high-concurrency services, oversee backend design, integrate AI, and ensure operational excellence at Cars Commerce.

Own and modernize core data infrastructure and pipelines to ensure accurate usage capture, transformation, and monetization. Contribute to architecture, maintain integrations with billing/CRM/payment platforms, evolve customer account UIs, and improve legacy Laravel systems while collaborating across a distributed team.

As a Senior Software Engineer, you will build cloud solutions, define migration strategies, mentor junior engineers, and ensure architectural integrity while collaborating with peers.

Design, implement, test, and document network protocol stacks and services for LynxOS-178 and other RTOS/Linux kernel environments. Optimize network performance, troubleshoot low-level network and software issues, develop BSD/POSIX sockets applications, collaborate cross-functionally, and support certification data generation and review.

Lead architecture and design of full-stack, cross-pod systems; set engineering standards for quality, security, performance, and observability; mentor and grow engineers; partner with Product and Partners on technical strategy; own incident response and reliability; participate in on-call rotation and hiring/onboarding.

The Senior Software Engineer will build and operate systems for Vanta's FedRAMP environments, focusing on reliability, compliance, and incident response, while collaborating with product teams and improving operational readiness.

Lead design and delivery of self-service platform capabilities: provisioning, deployment, observability, and multi-region networking. Drive RFCs and cross-team alignment, build APIs (primarily in Go), implement Terraform/GitOps flows, improve EKS reliability and Grafana-based SLOs, and reduce operational toil via safe, auditable automation. Own on-call rotation and platform adoption outcomes.