Full-stack Engineer

• Design and develop major functional or performance enhancements for existing products
• Produce new software products or tools

Senior Software Engineer

• Plan and manage application development and client delivery activities
• Design, develop, and test software for scalability, reliability, and data recovery on a high-volume, high-availability platform
• Contribute to a complex monolithic application powering payment processing and value-added services for merchants
• Design, develop, and maintain scalable microservices while modernizing platforms
• Collaborate with Product, Platform, Merchant Services, and Support teams to convert business requirements into technical solutions
• Use Agile techniques including pair programming and test-driven development
• Deploy new features into production with zero platform downtime and no impact to customers processing transactions
• Build domain expertise in e-commerce payments and develop new product features

Senior Software Engineer – Java/Spring Boot, Monolith Systems Development and Modernization

• Design, implement and maintain reliable production software for KAYAK’s travel-search and trip-planning experiences
• Build and evolve APIs and services supporting AI-assisted search, conversational travel planning, itineraries and related user experiences
• Investigate technical problems, assess trade-offs and choose practical solutions that improve reliability, performance and maintainability
• Write automated tests and contribute to unit, integration and end-to-end testing quality
• Participate in code reviews and technical discussions, providing constructive feedback focused on correctness, clarity and maintainability
• Work with engineers, product managers and designers to clarify requirements and deliver useful, accessible user experiences
• Contribute to ASK AI, smart filters, AI-generated hotel review summaries, Explore and related search experiences
• Help make AI-assisted features dependable, transparent and useful to travelers
• Learn unfamiliar systems and share knowledge through documentation, pairing and technical discussions
• Monitor and improve production behavior through debugging, observability and root-cause analysis
• Contribute to development tools, engineering processes and delivery practices
• Support KAYAK, a travel search engine and Booking Holdings metasearch brand, helping travelers find flights, stays, rental cars and vacation packages

Staff Software Engineer

• Deliver GTM stack project work, including tool implementations, integration builds, routing/handoff/lifecycle automation, and cross-tool enhancements
• Own projects from design through testing, rollout, and enablement
• Handle tier 2 escalations involving flow errors, integration failures, data model questions, and cross-system issues
• Trace escalations to root cause and ship durable fixes
• Build and maintain integrations and data flows using iPaaS tooling and APIs
• Keep account ownership, territories, routing, and product catalog data consistent across Snowflake, Salesforce, and downstream tools
• Build AI-powered workflows using AI agents, LLM-based automation, and MCP integrations
• Perform Salesforce work including complex flows, data model changes, permission architecture updates, sandbox management, and release management
• Contribute to solution design, requirements, architecture, tradeoff analysis, and impact assessment
• Coordinate with vendors on implementations, support cases, and proofs of concept
• Evaluate new tools hands-on
• Document builds, establish reusable patterns, and mentor the IC2 engineer
• Partner with the Technical Program Manager and senior engineers on scoped initiatives

Senior GTM Engineer

• Lead and manage dam repair and dam removal projects from planning through design, permitting, and construction support
• Develop project scopes, fees, schedules, and budgets; oversee contracts and project delivery
• Prepare and review engineering analyses, technical reports, plans, specifications, and cost estimates
• Coordinate and support local, state, and federal permitting and grant applications
• Apply hydrologic and hydraulic modeling to support design and regulatory submissions
• Collaborate with clients, regulators, and internal multidisciplinary teams across New England
• Support business development efforts, including funding strategy development and proposals
• Mentor and provide technical oversight to junior and mid-level engineers

Senior Water Resources Engineer / Senior Dam Engineer

• Own the target software architecture for assigned products and translate product strategy into practical technical roadmaps, solution designs, and delivery priorities
• Design end-to-end cloud applications across user interfaces, application services, APIs, workflows, integrations, data access, infrastructure, and operational support
• Create and govern reusable architecture patterns, engineering standards, and decision records
• Shape modular, domain-aligned services and bounded contexts
• Guide the design of microservices, serverless components, asynchronous workflows, and event-driven solutions using AWS managed services
• Define secure and scalable API strategies covering REST, GraphQL, versioning, authentication, reliability, and lifecycle management
• Provide architectural direction for modern web applications built with .NET, C#, ASP.NET Core, TypeScript, Angular, and React
• Ensure non-functional requirements including availability, performance, accessibility, observability, recoverability, security, privacy, and cost efficiency
• Partner with security and platform teams on identity, authorization, encryption, secrets, tenant isolation, network controls, threat modeling, and compliance
• Influence CI/CD, automated testing, infrastructure-as-code, release, monitoring, and support practices
• Lead architecture reviews and proofs of concept, documenting options and recommendations
• Coach engineers and technical leads while identifying risks and resolving design challenges

Principal Software Architect

• Develop new features improving Akamai Cloud Platform performance, reliability, and security
• Port Akamai modifications to newer Linux kernel versions
• Debug and fix issues in complex test and production environments
• Enhance build and test automation for Continuous Testing
• Collaborate with platform, application development, test, and hardware development teams
• Work with the open source community to upstream contributions
• Stay current with upstream Linux kernel and operating system changes and emerging industry trends
• Build, maintain, and improve Akamai's custom Linux kernel

Senior II Software Engineer – Linux Kernel Development

• Develop new features to improve Akamai Cloud Platform performance, reliability, and security
• Port Akamai modifications to newer Linux kernel versions
• Debug and fix issues in complex test and production environments
• Enhance build and test automation for Continuous Testing
• Collaborate with platform, application development, test, and hardware development teams
• Work with the open source community to upstream contributions
• Monitor upstream Linux kernel and operating system changes and emerging industry trends
• Build, maintain, and improve Akamai's custom Linux kernel

Senior Software Engineer – Linux Kernel Development

• Design, build, and maintain production C++ and Python components of the planning stack, including motion planning, grasp selection, collision checking, and task sequencing
• Take algorithms from prototype to deployment, owning architecture, performance, and robustness
• Profile and optimize performance-critical code to meet real-time cycle-time targets on robot hardware
• Build testing, simulation, and benchmarking infrastructure
• Debug production failures using logs, build triage tooling, and fix root causes
• Improve code quality through design reviews, code reviews, and good engineering practices
• Design and build fast, reliable, well-tested planning systems for real robots
• Contribute to task and motion planning that determines robot grasping and safe movement through changing trailers

Software Engineer – Task & Motion Planning

• Design and implement Android system applications in Java or Kotlin for Toast's device management suite
• Implement device policy enforcement, out-of-box device setup, and firmware and app updates
• Build reliable background services requiring little to no user interaction
• Support new Toast hardware bring-up and OS upgrades
• Expand automated testing with Robot Framework against real Toast hardware
• Investigate and debug production issues across Toast's device fleet
• Collaborate with Product Management, Hardware, QA, and Software teams
• Make technical decisions focused on software quality, security, and maintainability

Full-stack Engineer jobs in Massachusetts