Java DeveloperLocation: Boston, MA (Onsite) Full time Salary: DOE Need strong coding experience US Citizen and Green card Only, No H1BResponsibilitiesLeads teams in the development of products, solutions, and processes.Collaborate with other engaged, friendly, principles-first-thinking oriented engineers to understand customer use cases and implement core engineering capabilities.Strives to improve efficiency and sustainability of processes and product designs, and to improve quality.Mentor Engineers to help them learn and apply best practices in software development.Work with the Engineering Manager to prioritize the product backlog and to help assign stories to other engineers.Operate across multiple layers of the stack to design and build fault-tolerant distributed systems that optimize a fleet of fulfillment infrastructure and robots.Inventing new features, designing, developing and deploying reliable applicationsParticipate in software architecture and design.Translating business and functional requirements into deliverable software and customer experienceDevelop tools to test and analyze complex systems, including those deployed in production, and dig into critical pieces of distributed systems like logging, tracing, metrics.Basic Qualifications7+ years of non-internship professional software development experienceProgramming experience in Java (Core Java and Frameworks like Spring / SpringBoot) including object-oriented design2+ years of experience in leading and mentoring teams1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems1+ years of cloud experience (AWS / Azure / GCP)1+ years of DevOps - CI/CDStrong in Data Structures and Algorithms Understand the problem and choose the right Data Structures and Algorithms to useHandle Time Space complexityStrong understanding of System Design. Ability to explain the trade-offs in certain design decisionsExplain complex technical concepts in an easy-to-understand wayPreferred QualificationsBS/MS in Computer Science, Math, or other algorithmic-centric discipline or equivalent experienceDemonstrated ability to design, implement, and test software in a fast-paced environmentExperience with multithreading and concurrencySelf-motivated and able to solve problems independentlyStrong understanding of Data handling and workflowsStrong communication skills, ability to work well in a team environmentExperience with tools and environments (e.g., JSON / XML, Restful services, version control systems, Containerization, blue-green deployments, bug/issue tracking tools)Experience with Front End – React JS / AngularExperience and knowledge in building software for large scale industrial systems