Senior Java Backend Engineer jobs in Waltham

A leading cryptocurrency platform based in Boston seeks a Software Engineer for its Core Automation Team. Responsibilities include leveraging advanced AI techniques, writing high-quality code in Python and Golang, and ensuring system scalability and reliability. Ideal candidates have over 5 years of

About The Job The world’s most critical--and at risk--business applications have been neglected for far too long. Onapsis eliminates this blind spot by providing cybersecurity solutions dedicated to business-critical applications. Whether running on premises, in the cloud, or in a hybrid environment

A leading tech firm is looking for a Software Engineer II in Boston to join the Flows Platform team. In this role, you'll build core engines for automated lifecycle programs, ensuring reliability as you process billions of events daily. Ideal candidates have 3+ years of backend experience, particula

At WHOOP, our mission is to unlock human performance and healthspan. Our enterprise platform helps organizations across athletics, business, healthcare, and public service better understand and support the health and performance of their teams. WHOOP Enterprise is entering a new phase of growth and

A leading tech company in Waltham, Massachusetts, seeks a passionate Senior Backend Developer to enhance its entity resolution team. The role involves driving software architecture for scalability and performance, collaborating with cross-functional teams, and applying advanced technologies to suppo

WHOOP

Overview At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable technology monitors vital physiological metrics to offer personalized insights that enhan

Jamie Grayem

Senior Full Stack Engineer (Java/React) Boston, Massachusetts Active DoD Secret Security Clearance Required $125,000 - $135,000 + Paid Relocation+ Full Benefits: Comprehensive healthcare, dental, and vision plans. Position Overview We are seeking a Senior Full Stack Engineer to join an elite team de

Chewy

A leading e-commerce company is looking for a Senior Backend Engineer to drive the evolution of their advertising platform powered by Machine Learning in Boston. This role involves building scalable backend systems, leading development efforts, and mentoring junior engineers while partnering with da

A leading health and performance technology company in Boston seeks a Senior Software Engineer to enhance their Enterprise platform. This role involves owning foundational systems, designing robust backend APIs, and collaborating across teams to define technical direction. Successful candidates will

A tech-forward company is seeking a passionate Backend Developer with 0-7 years of experience to develop and maintain server-side applications. The role includes designing robust APIs and collaborating with front-end developers. Key skills include proficiency in server-side programming languages lik

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health®, you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in e

A health and performance technology company is seeking a Software Engineer II for its AI Platform team in Boston, MA. The role involves developing scalable backend solutions and supporting the integration of Generative AI across products. Key qualifications include experience in backend development

Affirm

A leading financial technology company is seeking a Software Engineer II, specializing in backend systems. This remote-first position requires proficiency in Python or Kotlin, with responsibilities including collaboration on product development and ensuring system operations. The ideal candidate wil

Gardner Resources Consulting, LLC

Our client is seeking a Backend Software Development Engineer to join their team. They are looking for someone capable of building and supporting scalable APIs, backend services, and cloud-native applications that support provider-facing platforms and workflows. This role requires strong hands-on ex

The Opportunity Teamworks is investing in the modernization of Athlete Management System (AMS), a core product within our Performance category. We're hiring a Staff Software Engineer to accelerate the evolution of AMS's legacy architecture and drive long-term technical improvements across the system

Plume

A leading technology firm in Boston is looking for a skilled Backend Engineer to design and implement scalable systems and APIs. Successful candidates will demonstrate strong proficiency in Scala and cloud platforms. Responsibilities include developing microservices and data pipelines to ensure syst

WHOOP

A technology company in Boston is seeking an experienced backend engineer to develop scalable services that support growth initiatives. The role involves collaborating with cross-functional teams, designing APIs, and mentoring junior engineers. Candidates should have experience in backend system dev

A leading cryptocurrency platform is seeking an experienced software engineer to enhance their staking products. You will collaborate with multiple teams, maintain high code quality, and troubleshoot complex challenges. Applicants need over five years of software engineering experience, preferably w

Wellington Management Company

A leading investment management firm in Boston is seeking a Senior Software Engineer to enhance their enterprise search platform. The ideal candidate will have over 6 years of backend engineering experience, particularly with search solutions like Elasticsearch. Responsibilities include implementing

A financial technology company based in Quincy, Massachusetts is seeking an experienced backend developer to lead the design and development of trading and financial APIs. You will work with cross-functional teams to create robust solutions for high-volume transactions. The ideal candidate has over