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- ...LangSmith offers observability, evaluation, and deployment for rapid iteration, enabling teams to transform LLM systems into dependable production experiences. LangChain is trusted by millions of developers worldwide and powers AI teams at companies like Replit, Clay,...SuggestedFull timeWorldwideFlexible hours
LangChain
Boston, MA15 days ago - Required Skills & Experience : ~10 years of experience in software quality assurance. ~ Strong experience in automating REST APIs and backend services. ~ Proven experience with load testing tools like JMeter. Good to have: Leverage AI tools, including ...SuggestedPart time
InfoVision Inc.
Boston, MA1 day ago - A leading medical technology company in Boston is seeking a Principal Desktop UI Software Engineer to design and develop intuitive interfaces for advanced medical devices. This role requires expertise in Python and C++ environments, along with strong experience in desktop...SuggestedFull time
Intellias
Boston, MA8 days ago $145k - $160k
...hardware industry veterans and backed by leading climate and water investors, Cala began deliveries in Q3 2025 and is currently scaling production. The Role, At-a-Glance Cala Systems is seeking a Senior Embedded Software Engineer to lead the embedded work on our water...SuggestedFull timeWork at officeRemote workFlexible hours- ...Build scalable, resilient APIs and backend components supporting web, mobile, and third-party integrations. Optimize Performance,... ...reporting. Technical Ownership & Collaboration — Collaborate with product, security, compliance, and data teams to translate requirements...SuggestedPart time
Catalyte
Boston, MA1 day ago - ...Game Dev Engine to join our dynamic team at Clarity Innovations. In this role, you will play a pivotal part in developing innovative products and contributing to the success of our projects. This individual will be responsible for transforming an analog board game into...SuggestedFull timeRemote work
Clarity Innovations
North Dartmouth, MA4 days ago - ...members on improving team's test coverage, release velocity and production health 5+ years of testing experience in test automation (Rest... ...Java Script, SQL, Jenkins core 5+ years of testing experience on Web, iOS and Android Experience in crafting and implementing robust...SuggestedFull time
$108.8k - $149.6k
...platforms. The ideal candidate thrives in regulated environments and enjoys solving complex embedded challenges from board bring-up to production-ready code. Description Design, develop, and verify embedded firmware in C/C++ for microcontrollers (e.g., ARM Cortex-M)....SuggestedPermanent employmentFull timeWork at officeShift workDay shift- ...architecture, and execution, leveraging domain expertise to ensure solutions meet user needs. The position collaborates with engineering, product, and cross-functional teams to enforce high quality standards, introduce process improvements, and drive automated coverage across...SuggestedPart time
firstPRO, Inc
Somerville, MA1 day ago - ...projects focused on embedded systems, mobile apps, robotics, engineers at Full Spectrum love the challenge of working with clients on products that have a meaningful impact. Working across different client projects with a wide range of technologies, a career at Full...SuggestedFull time
$110k - $187k
...teaching and solving problems, eager to have a major impact on product, business, and culture Caring and kind: other people do better... ...Excited about contributing across firmware, operating systems, web, and distributed systems Working for Nordic Working for...SuggestedFlexible hours$149k - $206k
A leading child care services company is seeking a Director of App Dev to lead the strategy and delivery of mobile applications and AI capabilities. This role requires a strong background in mobile development, cloud-based SaaS applications, and AI/GenAI. The ideal candidate...SuggestedFull timeBright Horizons
Newton, MA2 days ago$150k - $200k
...join our team and take ownership of different parts of our stack. You will be working alongside our CTO on all aspects of the current product and future product development. You will work directly with the founding team and leverage your experiences and abilities to inform...SuggestedFull timeWork at officeWork from homeFlexible hoursNight shift- ...powered by facial recognition. Responsibilities: Collaborate with product and design teams (ex-Google/FB/Apple/Microsoft) to develop, test... .... Write clean, maintainable, and scalable code using modern web development technologies and best practices. Develop and...SuggestedFull time
Cheez
Cambridge, MA4 days ago - ...React Developer to design, build, and optimize modern, scalable web applications. The role focuses on developing high-quality user... ...-end libraries Convert UX/UI designs and wireframes into production-ready code Optimize front-end performance across browsers and...SuggestedContract workPart time
Integration International Inc.
Andover, MA1 day ago - ...a large scale effort to design, develop, implement and support web based insurance applications. You must be adept at problem solving... ...and Deployment. Integrate component design. Support production as needed and meet development schedules. Qualifications:...Part time
Anagh Technologies Inc
Boston, MA1 day ago - ...A technology firm in New York City is seeking a Senior Fullstack Engineer to build foundational product features driving user acquisition and growth. The role involves full-stack development using React, TypeScript, Python, and Go, and requires a strong product intuition...Full time
LangChain
Boston, MA15 days ago $130k - $160k
...hands-on with coding while contributing to key technical and product decisions. Continuously evaluate and implement new technologies... ...button or email me at ****@*****.*** ⚡ Storm2 is a specialist FinTech recruitment firm with clients across Europe, APAC, and...Part timeWork at officeStorm2
Boston, MA1 day ago- ...Application Development: Design, build, and enhance modern web applications using C#, ASP.NET, and contemporary JavaScript frameworks... ...in the teams on-call rotation to provide timely support for production systems and maintain application availability. Collaboration...Part time
firstPRO, Inc
Boston, MA2 hours ago - ...Job Title: Sr. Front End (React) Web Developer Duration: 09 Months Job Location: Andover, MA Shift Timing: Monday to Friday, First Shift, Hybrid Position Summary: We are looking for a skilled React Developer to join our team. As a React Developer, you will...Part timeMonday to FridayShift workDay shift
Integration International Inc.
Andover, MA1 day ago - ...partners to launch their own fully branded, legally compliant gaming products. Headquartered in Boston with operations in Monterrey,... ...Build scalable, resilient APIs and backend components supporting web, mobile, and third-party integrations. Optimize Performance,...Part timeLocal areaRemote workMonday to Friday
Catalyte
Boston, MA1 day ago - Fullstack Developer Boston, MA (3 days onsite in a week) Longterm Contract Job Description for Dev Engineer (Boston only): HTML 5 - Must CSS 3 - Must Tailwind CSS - Must JavaScript (ES6+) - Must TypeScript - Must React.js - Must State Management...Contract workPart time3 days per week
InfoVision Inc.
Boston, MA1 day ago - ...Jenkins) Experience with ORM tools like Sequelize or Hibernate Responsibilities: Design, develop, and maintain full-stack web applications using Node.js and Angular Assess and refactor legacy applications into modern architectures Build RESTful APIs and...Contract workPart timeWork at officeRemote work
Brooksource
Boston, MA1 day ago $65 - $70 per hour
About the job Title: Senior Full Stack Software Engineer (.NET Stack) Location: Greater Wilmington Area, MA (Hybrid 23 days onsite) Employment Type: Contract Status: Accepting Candidates About the role This role supports the design and development...Hourly payContract workPart timeJMD Technologies Inc.
Wilmington, MA1 day ago$145k - $175k
Senior Full Stack Developer Boston Energy Trading & Marketing (BETM) has accelerated its shift to digital growth and cloud enablement. Our talented, energetic team is creating next-gen platforms to provide industry leading solutions supporting the green energy transition...Part timeShift workBoston Energy Trading and Marketing LLC
Boston, MA1 day ago- ...intuitive, high-performance user experiences across a suite of digital products. In this role, youll work closely with product managers,... ...performance, accessibility, and reliability in responsive web applications Maintain code quality through testing, documentation...Contract workPart timeLocal area
DeWinter Group
Boston, MA1 day ago $150k - $160k
...will be instrumental in developing and expanding a customer-facing web application that delivers powerful, actionable data. Youll work... ...environmental goals. This is an opportunity to shape a product thats powering real-world climate actionfrom voluntary carbon markets...Part timeWork experience placementRemote work2 days per weekEVONA
Boston, MA1 day ago$96k - $162k
A healthcare technology company in Boston is seeking a Software Engineer to join the Collector Platform team. The role involves designing and developing code in an agile environment, collaborating with cross-functional teams, and ensuring high-quality software delivery...Full timeRemote workathenahealth
Boston, MA13 days ago- ...responsible for the design, development, implementation, and support of web application frameworks that integrate the front-end user... ...services and data. The position requires close collaboration with product managers, UI/UX designers, front-end developers, and back-end...Part time
FrontRunnerHC
New Bedford, MA1 day ago $65 - $70 per hour
...technologies with passion. You will lead application design efforts, participate in design reviews, and code reviews. Fully engaging in product quality plan efforts, including test case development, design and code reviews and regression testing. Delivering high quality,...Contract workPart timeWork experience placementLocal areaImmediate startPyramid Consulting, Inc
Boston, MA1 day ago
