Top Software Engineer Jobs in Portland, ME

Build and sustain enterprise Java applications for DoD financial and program management. Own capabilities across requirements, architecture, API development, database design, testing, CI/CD deployment, security, and production sustainment. Work across Spring Boot, Angular, Oracle, SQL, and cloud environments while investigating defects, reviewing code, using AI-assisted tools responsibly, and contributing to agile delivery. Seven or more years of software development experience, a technical bachelor’s degree or equivalent experience, Security+ certification, U.S. citizenship, and Secret clearance eligibility are required.

Build and own software for marina operators and boaters across reservations, payments, CRM, work orders, accounting integrations, and mobile applications. Responsibilities span scoping, design, implementation, deployment, maintenance, and improving a legacy system handling live payment traffic. The role requires full-stack development, AI-assisted engineering, product judgment, clear communication, and ownership of customer outcomes in a lean team.

Owns end-to-end production software, architectural decisions, and improvements to the engineering lifecycle. The principal engineer will expand AI-assisted development, make speed safe across reservations, payments, mobile, and international systems, and influence a growing team’s engineering practices. Success means enabling a fourteen-person team to ship with the effectiveness of a much larger organization.

Lead the technical direction of Zocdoc’s patient acquisition platform, building scalable APIs, microservices, AWS infrastructure, and React experiences. Improve SEO, page speed, system reliability, and patient-facing data access. Collaborate with Product, Design, and Marketing, integrate third-party data and Contentful, apply LLM technology, promote engineering excellence, mentor engineers, and drive AI-focused innovation across distributed teams.

Lead the architecture and technical direction of Alpaca’s margin and risk systems across equities, options, crypto, and future asset classes. Design low-latency, high-throughput services for margin calculation, real-time risk enforcement, exposure limits, margin calls, and operational workflows. Drive reliability, correctness, transactional integrity, observability, incident prevention, technical reviews, mentorship, and cross-functional integration with product, brokerage operations, compliance, and engineering teams.

Design, build, and operate backend Go services and smart contracts that mint, burn, bridge, and reconcile wrapped assets across multiple chains. Own end-to-end delivery from smart contract deployment through API design, SLOs, and production rollout. Drive asset migration pipeline improvements, run on-call operations, build observability and runbooks, and mentor junior engineers.

Design and deliver blockchain network infrastructure and platform APIs, lead multi-quarter initiatives (chain integrations, re-architecture, data migrations), define APIs/SLOs/observability and on-call ownership, ship SDKs and platform primitives, establish data contracts, and simplify cross-chain operations to enable analytics, ML, and data engineering teams.

Lead the architecture and implementation of scalable cloud compute functionality across ARM64 and x86 platforms. Design hypervisor layers, cross-platform build pipelines, and performance optimization solutions while writing, reviewing, documenting, and testing production software. Coordinate globally to deliver compute features and resolve low-level software issues. Provide technical, organizational, and functional leadership to engineers.

Lead a developer productivity engineering team responsible for CI/CD, build systems, internal tooling, and AI-augmented development workflows. Improve developer experience, engineering velocity, and software quality through scalable infrastructure, productivity metrics, AI tool adoption, coaching, and governance. Partner cross-functionally, mentor engineers, evaluate AI technologies and costs, and establish standards for security, correctness, licensing, and data handling.

Own the enterprise test automation strategy, scale a Playwright and JavaScript framework, expand coverage across Salesforce, MuleSoft, D365, and reporting systems, and build scalable execution and reporting infrastructure. Design QA standards, metrics, and review processes while developing AI-powered agents with Cursor for performance testing, regression analysis, and defect triage. Partner with engineering, product, business, and AI platform teams to deliver governed, reusable quality tooling.

Build scalable full-stack software for a cloud-based bioprocessing platform connecting scientific workflows, cloud infrastructure, and laboratory hardware. Develop emulators and hardware-in-the-loop testing systems, establish verification and traceability practices for regulated environments, deliver Console platform features, collaborate across software, hardware, and scientific teams, and mentor engineers.

Architect and lead RapidFort’s scalable build platform for producing hardened container images. Responsibilities include designing distributed build systems, automating image creation and validation, improving reliability and performance, solving Linux and container infrastructure challenges, establishing software supply chain standards, influencing cross-team architecture, and mentoring engineers. The role requires deep expertise in Linux, Docker, Kubernetes, Python, Bash, CI/CD, distributed systems, and build automation.

Lead architecture and development of scalable full-stack systems spanning web, mobile, backend, data, and partner integrations. Build React and TypeScript applications, Node.js services, APIs, and AWS-based distributed systems. Drive cloud-native DevOps, reliability, security, compliance, and AI-assisted engineering practices. Influence cross-team technical direction, establish shared standards, mentor engineers, and lead initiatives across frontend, backend, mobile, and data domains.

Design, build, and operate high-throughput blockchain infrastructure using Go and Rust. Own distributed systems end to end, including architecture, performance optimization, security, testing, deployment, observability, incident response, and reliability. Lead technical designs and code reviews, mentor engineers, debug complex production issues, and collaborate across Product, Infrastructure, Security, and Developer Experience teams.

Lead backend-focused software architecture and development across distributed systems, data ingestion, experimentation platforms, AI workflows, and product capabilities. Build primarily in Python while contributing to React and TypeScript frontend work. Translate ambiguous product needs into scalable production systems, guide technical direction, partner with product and data teams, mentor engineers, and improve engineering practices.

Leads full-stack software development across the Censis application stack, including design, coding, testing, deployment, production support, and defect resolution. Develops C#/.NET and Vue.js applications, REST APIs, and SQL Server solutions. Improves security, reliability, observability, and performance through automated testing, secure coding, root-cause analysis, and preventive engineering practices. Mentors developers, leads technical discussions, collaborates across Product, QA, DevOps, Security, and Support, and uses approved generative AI tools responsibly.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Lead architecture and delivery of Control Center platform capabilities (MCP tool registries, AI orchestration, access automation). Design agentic AI integrations, HITL workflows, and evaluation/guardrail frameworks. Own backend services, SLOs, observability, incident response, and operational readiness for Tier-1 systems. Drive cross-team technical direction, author TDDs, run design reviews, mentor engineers, and partner with Product and Security to deliver secure, scalable platform primitives.

Lead technical strategy for Solana staking at Coinbase, optimizing validator performance and driving cross-product integration while mentoring engineers.

Design and implement AI systems for customer support and compliance, architect solutions, mentor team members, and manage project deliverables.

Lead the technical strategy for Coinbase's Data Platform, architecting data systems for AI/ML workloads and ensuring data reliability, performance, and cross-functional alignment.

Build simulation and planning systems for complex communications networks. Develop tools that model hypothetical scenarios, vary configurations and assumptions, compare outcomes, surface tradeoffs, and identify risks. Design scalable, reliable backend systems for complex, evolving network states while collaborating across product engineering to integrate capabilities into broader workflows. Responsibilities span system design, implementation, testing, debugging, and operational support.

Software Engineering Interns will build and maintain a B2B CRM across the full stack, including Next.js and Tailwind CSS frontend interfaces, Node.js and AWS backend services, and MongoDB databases. Responsibilities include developing scalable APIs, optimizing performance, writing secure maintainable code, collaborating with engineering, product, and design teams, and contributing to architecture decisions. This is a remote-first, full-time 12-month internship with potential conversion to a full-time engineering role.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Develop and maintain features for a podcast subscription platform using PHP and Laravel. Scale the application, support user and administrator experiences, build website embeds and third-party integrations, and help apply AI tools to accelerate development and improve code quality and security. Collaborate within a small, Agile-oriented remote team while evaluating technologies and influencing the evolving product stack.