Senior Software Engineer - Customer Agent Klaviyo IncSenior Software Engineer - Customer AgentBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. The Customer Agent team is building one of Klaviyo's most ambitious and strategic product areas: an extensible AI platform that enables brands to deliver personalized, autonomous customer experiences across channels like chat, email, SMS, and beyond.
Senior Software Engineer - Flows AI Klaviyo IncSenior Software Engineer - Flows AIBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. We have a big opportunity to build state-of-the-art AI and machine learning technologies at Klaviyo to power our products and develop AI agents that can automatically create and execute marketing or customer experiences, strategies, and campaigns for any business.
Lead Software Engineer Firefly HealthLead Software EngineerWatertown, MA$150,000–$180,000 / yearFirefly Health is building a revolutionary new type of comprehensive health "care and coverage,” powered by a relationship-driven care team, a trusted virtual and in-person clinical network, and our proprietary technology platform. The engineering team’s goal is to create an integrated, intelligent platform that proactively manages healthcare at scale and makes high-quality benefits accessible and engaging for all.
Senior Software Engineer, Full Stack Cambridge Mobile TelematicsSenior Software Engineer, Full StackCambridge, MA$139,300–$174,100 / yearAble to independently transform complex technical requirements into smaller implementable pieces; able to implement performant software solutions that are maintainable, scalable, reliable and testable. You'll work across the tech stack-from intuitive user interfaces to robust backend systems-solving complex problems in collaboration with product, design, and data teams.
Software Engineer Tycho.AISoftware EngineerCambridge, MassachusettsLed by serial entrepreneurs with successful exits and roots at MIT and Harvard, we design advanced hardware and software as an integrated whole, enabling AI systems that sense, decide, and act in real-time, without dependence on remote infrastructure. You’ll work hands-on with embedded systems, robotics frameworks, and cutting-edge autonomy stacks, and grow fast alongside some of the most experienced minds in AI, autonomy, and defense tech.
NewSoftware Engineer AllegoSoftware EngineerWaltham, MA$100,000–$120,000 / yearYou will be integral to Allego’s success through: Collaborating with the product management team to weigh options to satisfy requirements, providing feedback on requirement feasibility, architecture and UI/UX designs. Strong working knowledge of web stack- Javascript, jQuery, React + Typescript (hooks, component composition, performance tuning), Chakra UI, Emotion.
Salesforce/Software Engineer Sentinel GroupSalesforce/Software EngineerWakefield, MA$95,000–$105,000 / yearWe are looking for innovative thinkers to drive our business and clients forward—someone with customer focus, drive, determination, and the strength of character to challenge the status quo and therefore can deliver even better solutions than initially asked for. With a 9-year average associate tenure among our 265 professionals, our team’s commitment to excellent service has positioned Sentinel as the only provider who makes benefits EASY: easy for your people; easy for your business; and easy for you.
Lead Software Engineer (Transformation & Technical Excellence) (HYBRID) C-4 AnalyticsLead Software Engineer (Transformation & Technical Excellence) (HYBRID)Wakefield, MA$160,000–$190,000 / yearWe offer the following working options: Office-Based: Our modern and well-equipped office space provides a collaborative environment where you can work closely with your team, engage in face-to-face interactions, and foster a sense of community. Technical Priority: Partner with the Engineering Manager to prioritize the roadmap, acting as the primary advocate for remediating technical debt and protecting the codebase's health.
Android Open Source Embedded Software Engineer Geologics CorporationAndroid Open Source Embedded Software EngineerDedham, MA$65–$75 / hourRequires a Bachelor's degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. We have an opening for a Secret ClearedAndroid Open-Source Embedded Software Engineer for a role in Dedham, MA.
NewSenior Software Engineer, Data Platform MatterworksSenior Software Engineer, Data PlatformSomerville, MassachusettsRemoteServing and Cost at Scale: You will build and scale systems to acquire, store and serve data in a fast and affordable as it grows: data layout, featurization throughput, Kubernetes-native orchestration, and cost surfaced before it adds up. Operations and Data Rights: Ensure effective operations of our data needs meeting our designed service level agreements, while providing high quality, provenance, and secure data processing in line with our customer needs.
Staff Backend Software Engineer Sense Labs IncStaff Backend Software EngineerCambridge, MARemoteOur mission is to reduce global carbon emissions by making homes smart and efficient, and we're looking to make an impact at scale: Sense's technology has the potential to prevent one gigaton of carbon from entering the atmosphere every year. We're looking for talented self-starters who want to be part of the energy transformation and are ready, willing, and able to tackle tough challenges and complex technical problems.
Software Engineer III - PA085 Zoominfo Technologies IncSoftware Engineer III - PA085Waltham, MA$112,000–$176,000 / yearDevelop ETL/ELT workflows and processing jobs using technologies such as Apache Airflow, Apache Beam, Google Dataflow, DataProc, Spark, Kafka, or Pub/Sub. You will be joining a team that works on large-scale data infrastructure, high-impact product capabilities, and engineering problems where reliability, scale, and data.
Lead Software Development Engineer in Test (SDET) Diverse Lynx, LLCLead Software Development Engineer in Test (SDET)Boston, MAAWS CI/CD Pipelines: Setup and maintain automated CI/CD pipelines utilizing AWS developer tools (e.g., CodePipeline, CodeBuild, ECS) to scale simulation and testing. Hands-On Testing: Design, build, and debug robust test frameworks from scratch; root-cause complex failures across software, hardware, and physical sensors.
Software Engineer - Advanced Reporting Klaviyo IncSoftware Engineer - Advanced ReportingBoston, MA$116,000–$174,000 / yearIn addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. The team collaborates closely with Product, Design, and cross-functional partners across Klaviyo to ensure that insights are not just observed but operationalized, connecting analytics directly to action.
Lead Software Engineer Firefly Health IncLead Software EngineerWatertown, MA$150,000–$180,000 / yearFirefly Health is building a revolutionary new type of comprehensive health "care and coverage," powered by a relationship-driven care team, a trusted virtual and in-person clinical network, and our proprietary technology platform. The engineering team's goal is to create an integrated, intelligent platform that proactively manages healthcare at scale and makes high-quality benefits accessible and engaging for all.
Full Stack AI Software Engineer I Validity IncFull Stack AI Software Engineer IBoston, MAValidity is a truly unique company - massive revenue growth, top-tier investors, 5-star product ratings, proven ability to acquire and integrate top tech companies and welcome them into the Validity family, a winning culture, and a work environment that fosters hard work, trust, and fun. For over 20 years, tens of thousands of organizations across the world have relied on Validity solutions to target, contact, engage, and retain customers - using trustworthy data as a key advantage.
Senior Software Engineer - Profiles, Lists and Segments Klaviyo IncSenior Software Engineer - Profiles, Lists and SegmentsBoston, MA$148,000–$222,000 / yearPartnering closely with product managers, data scientists, and other platform teams, you'll help define scope, translate complex data and UX problems into practical implementations, and build intuitive workflows that give customers confidence in their audiences. In addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
Senior Software Engineer, Mobile Zoominfo Technologies IncSenior Software Engineer, MobileWaltham, MA$140,000–$220,000 / yearWe are dedicated to delivering exceptional user experiences and expanding the capabilities of our mobile platform to include innovative features like agentic chat and advanced workflows. Design, develop, and maintain high-quality features across multiple production mobile applications using React Native, with a focus on performance, responsiveness, and reliability.
Software Engineer, Full Stack, Developer Productivity Benchling IncSoftware Engineer, Full Stack, Developer ProductivityBoston, MABy understanding the unique challenges developers face and crafting solutions to streamline their workflows, youll play a key role in driving innovation and fulfilling Benchling's mission. Over 200,000 scientists around the world trust Benchling to power their most important work, from academic labs to Sanofi, Moderna, and more than half of the worlds top 50 biopharma.
Software Engineer II - Analytics Data Engineering Klaviyo IncSoftware Engineer II - Analytics Data EngineeringBoston, MA$116,000–$174,000 / yearYour work will involve developing scalable Spark pipelines, tuning our storage and query patterns to ensure low-latency performance for our enterprise customers, and modeling the high-impact datasets that drive Klaviyo's analytics and machine learning engines. In addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
Java Software Engineer - Remote iBoss CybersecurityJava Software Engineer - RemoteBoston, MARemoteOur development scope extends from device specific driver, service, and communication protocols to cloud scalable connectivity and big data processing through third-party analytics tool integration and customer enterprise UI creation for security policy management. Leveraging a purpose-built cloud architecture backed by 230+ issued and pending patents and more than 100 points of presence globally, iboss processes over 150 billion transactions daily, blocking 4 billion threats per day.
Embedded Software Engineer, Mobile Robotics Amazon.com IncEmbedded Software Engineer, Mobile RoboticsNorth Reading, MAIn this role, you will develop embedded firmware on heterogeneous multi-core MCU/CPU/GPU platforms - writing real-time safety applications, sensor processing pipelines, and system interfaces that enable robots operating in Amazon facilities worldwide to detect and respond to obstacles safely and reliably. Amazon Robotics is seeking an Embedded Software Engineer with Rust programming expertise to join our Safety Perception team and help build the safety-rated sensor processing firmware for one of the world"s largest autonomous robot fleets.
Senior Software Engineer OnCorps IncSenior Software EngineerBoston, MAKey Responsibilities: Work with a team of product owners, data scientists, and other engineers Develop and maintain new front-end and back-end features in our financial services applications, designing for quality, reliability, and operational excellence Provide technical customer support as needed. Qualifications: Requirements: Education: Bachelor's degree Experience: 3-5 years of experience developing with strongly-typed languages Experienced in building and interacting with APIs Knowledge of AWS services and deployments Proficiency in service-oriented architectures.
Senior Software Engineer, Customer Agent Klaviyo IncSenior Software Engineer, Customer AgentBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. The Customer Agent team is building one of Klaviyo's most ambitious and strategic product areas: an extensible AI platform that enables brands to deliver personalized, autonomous customer experiences across channels like chat, email, SMS, and beyond.
Software Engineer, Database Migration Service Amazon.com IncSoftware Engineer, Database Migration ServiceBoston, MAWe pioneered cloud computing and never stopped innovating - that's why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. It supports homogeneous migrations such as Oracle to Oracle, as well as heterogeneous migrations between different database platforms, such as Oracle or Microsoft SQL Server to Amazon Aurora.
Software Development Engineer, PreStart Domain Amazon.com IncSoftware Development Engineer, PreStart DomainBoston, MAOur software uses Amazon Web Services to intelligently work through the complexity of country and role differences, and ensure new hires start successfully on Day 1 with delightful onboarding experiences. We enable all Amazon business'' success to onboard new workers to meet dynamic business and market demands, and country and region holiday and prime day retail lifecycle spikes.
Software Development Engineer, Personal Information & Identity Management Amazon.com IncSoftware Development Engineer, Personal Information & Identity ManagementBoston, MAOur software uses Amazon Web Services to intelligently work through the complexity of country and role differences, and ensure new hires start successfully on Day 1 with delightful onboarding experiences. We enable all Amazon business success to onboard new workers to meet dynamic business and market demands, and country and region holiday and prime day retail lifecycle spikes.
Sr Principal Program Protection Software Engineer RTXSr Principal Program Protection Software EngineerWoburn, MassachusettsAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Embedded Software Engineer Integrated Resources, IncEmbedded Software EngineerWoburn, MassachusettsFull timeBachelors degree in computer Science, computer engineering or related discipline and experience with all of the following:Very proficient in Embedded C.In-depth knowledge and hands-on experience of writing Linux/Windows/VxWorks device drivers. The role might involve some travel to the UK.This position may require exposure to information which is subject to (Support control regulations, i.e. the International Traffic in Arms regulations (ITAR)All applicants must be US persons within the meaning of US regulations.
Staff Software Engineer, ML Infrastructure SimpliSafe IncStaff Software Engineer, ML InfrastructureBoston, MA$146,600–$215,100 / yearThe work spans two of our most demanding workloads: real-time computer vision inference that processes video from cameras and doorbells across our customer base, and LLM/GenAI infrastructure that will power our future generation of intelligent applications. This role is for someone who has built and operated large-scale distributed services in production - high-QPS APIs, real-time platforms, low-latency serving systems - and is excited to bring that depth to ML infrastructure.
Senior Software Engineer - Investment Platform Engineering Arrowstreet CapitalSenior Software Engineer - Investment Platform EngineeringBoston, MA$135,000–$325,000 / yearThe determination of a successful candidate's base salary placement within the listed range will vary based on the candidate's relevant experience and qualifications (which may also include relevant certifications, credentials and other education), the job responsibilities and scope, the commensurate resulting level of the position and other relevant factors. You will partner closely with engineering teams and business stakeholders to understand requirements, improve platform usability, and deliver solutions that simplify how data-intensive applications are built and operated across the firm.
Senior Software Engineer, Data Engineering Rockstar GamesSenior Software Engineer, Data EngineeringAndover, MA$130,000–$150,000 / yearRockstar Games is seeking a Senior Software Engineer in Data Engineering to join a team focused on building a cutting-edge game analytics platform and tools to better understand our players and enhance their experience in our games. In collaboration with Data Engineers, Machine Learning Engineers, and other Software Engineers, the candidate will empower the team of Analysts and Data Scientists to deliver data driven insights and applications to company stakeholders.
Senior Software Engineer, Applications AcuityMDSenior Software Engineer, ApplicationsBoston, MA$190,000–$230,000 / yearOur platform empowers medical technology companies to see how their products are used, understand why outcomes vary, and identify opportunities where physicians or sites of care can better serve their patients. Full stack proficiency working with technologies like TS, React, NodeJs, GQL, Postgres or other relational DBs, BigQuery and other google cloud services, or equivalent technologies.
Senior Engineer II - Quality Design & Reliability Assurance Integra LifeSciences Holdings CorpSenior Engineer II - Quality Design & Reliability AssuranceBillerica, MA$82,000–$113,000 / year5 years of experience of working within a medical device or other regulated industry with knowledge of Risk Management (ISO 14971 2019), EU MDR, MDD (Medical Device Directive), IEC 62366, ISO 13485 (Quality Management Systems), FDA QSR and cGMP. Fulfill design control requirements compliant: software specifications, detailed design files, design verification and validation test plans, risk management, DHF, protocols, and reports in accordance with company procedures, FDA and ISO guidelines.
AI/ML Engineer for Multidisciplinary Engineering Design-Associate Staff Lincoln LaboratoryAI/ML Engineer for Multidisciplinary Engineering Design-Associate StaffLexington, MA$116,400–$140,000 / yearExamples include the development of structural-material systems for space-based imaging and laser communication terminals, thermal management solutions spanning cryogenic to hypersonic applications, and aerodynamic designs and assessments to support unmanned aerial vehicles, airborne pods, and hypersonic platforms. Our engineers support a broad range of simulation, design, optimization, and test activities, and we develop innovative simulation capabilities to solve challenging engineering design problems across a broad array of applications ranging from low-speed aircraft to hypersonic systems and satellite design.
Senior Engineer, Quality Design Assurance Integra LifeSciences Holdings CorpSenior Engineer, Quality Design AssuranceMansfield, MA$81,650–$112,700 / year5 years of experience of working within a medical device or other regulated industry with knowledge of Risk Management (ISO 14971 2019), EU MDR, MDD (Medical Device Directive), IEC 62366, ISO 13485 (Quality Management Systems), FDA QSR and cGMP. For this Sr I role, ideal candidate will be a Subject Matter Expert with ISO11607, 10993, and functional cascading system requirements to component drawings, balancing the use of Y14.5 with the needs of the business.
Senior Software Engineer - C# Chrome River Technologies, Inc.Senior Software Engineer - C#Boston, MASDLC processes are followed, including adopting agile-based processes/meetings, peer code-reviews, and technical preparations required for scheduled releases. As a leader in travel and expense solutions, we are creating a future where technology drives business value and inspires extraordinary results.
Sr Software Engineer - AI Devex CompassSr Software Engineer - AI DevexBoston, MA$149,000–$166,000 / yearAs a Senior Engineer within the Developer Intelligence pillar, you will be an autonomous contributor focused on key components of our platform - working across observability, engineering telemetry, software catalog systems, and AI-assisted workflows to deliver durable, high-quality team capabilities. You will own and implement systems that use engineering signals to automate manual developer work, improve testing frameworks, assist with production troubleshooting, and create smart workflow orchestrations across your team's technical domain.
Software Engineer II - MA RTX CorpSoftware Engineer II - MAWoburn, MAParticipate in collaborative, cross-discipline integrated product teams, employ agile software development techniques and resources to develop, test, and integrate complex software and systems solutions for aerospace and defense applications. We are looking to add software engineers to our development team for a wide array of products including Battle Management, Command & Control, Communications, Effectors, and Surveillance and Warning systems.
NewSoftware Engineer I - Air Traffic Solutions (Onsite) RTX CorpSoftware Engineer I - Air Traffic Solutions (Onsite)Marlborough, MAOur Connected Aviation - Air Traffic Solutions - Software Engineering Department (ATS-SED) is looking for talented early career Software Engineers to join our team developing and supporting our Air Traffic Control Systems worldwide. This is an opportunity to learn new COTS tools, processes, and methodologies as you focus on improving your skills to support, design, develop, integrate, and test operational software components throughout the SW development life-cycle.
NewSenior Software Engineer (Manufacturing Platform) Whoop IncSenior Software Engineer (Manufacturing Platform)Boston, MA$150,000–$195,000 / yearAt WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company's long-term growth and success. Drive engineering best practices through software architecture, automated testing, code reviews, documentation, and technical mentorship while continuously improving platform reliability and developer productivity.
Software Engineer VestmarkSoftware EngineerBoston, MA$80,000–$110,000 / yearVestmark is a leading provider of wealth management solutions and services that enable financial advisors and institutions to efficiently manage and trade their clients' portfolios using a purpose-built SaaS ecosystem. Hands-on experience with agentic frameworks, LLM APIs, or workflow orchestration tools, whether through coursework, personal projects, or early professional work.
Senior Software Engineer, Infrastructure AcuityMDSenior Software Engineer, InfrastructureBoston, MA$180,000–$250,000 / yearOur platform empowers medical technology companies to see how their products are used, understand why outcomes vary, and identify opportunities where physicians or sites of care can better serve their patients. We're a close-knit team that enables high levels of autonomy by constantly communicating our intentions, sharing problems and learnings, and helping each other learn and grow.
NewEmbedded Software Engineer Pratt & WhitneyEmbedded Software EngineerMassachusettsDevelop C++, Python, or Matlab implementations of signal processing algorithms or time critical control functions involved in direct control of sensor systems running on Linux or VxWorks. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
NewSenior Software Engineer, Autonomy Capabilities - Space Shield AISenior Software Engineer, Autonomy Capabilities - SpaceBoston, MALC #LI-ED1 Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. This team operates at all levels of the command-and-control hierarchy (from advanced control laws, through motion planning, and up to advanced tactical behaviors and multi-agent coordination) and across a multitude of mission sets, platform types, and operational domains (e.g., air, sea, space).
Senior Software Engineer II - Modeling And Simulation Scientific Systems Company, Inc.Senior Software Engineer II - Modeling And SimulationBurlington, MA$142,000–$180,000 / yearExperience in Advanced Framework for Simulation, Integration and Modeling environment including developing new scenarios and models; C++ plugins to AFSIM; interfaces to JSE; and configuration-managed large-scale simulation test data. The Senior Software Engineer II position in AI/Autonomy systems development will emphasize modeling/simulation (M+S) and software testing of complex autonomy systems in operationally realistic scenarios.
NewC++ Software Engineer FishEye SoftwareC++ Software EngineerMaynard, MA$80,000–$190,000 / yearFull timeThis position requires an Active Secret Clearance and is 100% on-site in Maynard, MA.Key Responsibilities:Design, implement, and test C++ software for real-time and embedded defense systems. Along the way, you'll collaborate with a cross-functional team on software development, system integration, testing, and validation to deliver reliable solutions that make a difference.
NewRadar Software Engineer FishEye SoftwareRadar Software EngineerMaynard, MA$80,000–$190,000 / yearFull timeBachelor's degree in Computer Science, Engineering, or a related technical discipline.3+ years of hands-on experience (candidates with varying levels of experience will be considered).Strong proficiency in Python and/or experience with C++ for software development, automation, performance optimization, or real-time applications. Experience designing and implementing REST APIs and working with database systems, including SQL/NoSQL technologies.
NewSoftware Engineer / API Developer Net2SourceSoftware Engineer / API DeveloperBoston, MA$89–$89.49 / hourThis role requires strong software engineering skills, experience with Python-based application development, API design, cloud technologies, and the ability to generate Software Development Lifecycle (SDLC) compliant documentation. The Discovery Biologics Digital Science team is seeking a highly motivated Temporary Software Engineer / API Developer to support the development and integration of SQUIRREL, Discovery Biologics' data processing platform.
Senior Software Engineer, Agentic AI Invicti SecuritySenior Software Engineer, Agentic AIBoston, MAYou design, build, and deliver software solutions rapidly, working across the stack from agent architectures and memory systems to integrations with security tools and developer workflows. What You’ll Be Doing: Multi-Agent System Development: Design and implement autonomous agent systems in Python using frameworks like AWS Strands Agents, with emphasis on orchestration, reasoning, and decision-making.