Software Engineer ABC CorporationSoftware EngineerTewksbury, MAInternVolunteerTemporaryContractorExperienced Software Engineer with strong Java and Selenium skills,Develop automation scripts and execute regression suites,Develop automation scripts and execute regression suites.
NewAI Software Engineer Clinpharma Consulting Global GroupAI Software EngineerChelmsford, MA$30–$40 / hourFull timeYou will work on building AI-powered applications by integrating Large Language Models (LLMs), backend services, APIs, and modern cloud technologies. We are looking for a motivated AI Engineer to join our growing engineering team.
NewSoftware Development Engineer JobotSoftware Development EngineerBoston, MA$65–$80 / hourDevelopers at this level are building greater independence, taking ownership of small to medium-sized work items, and strengthening their core engineering skills across multiple application layers, including user interfaces, services, APIs, and data. Our teams include professionals across software engineering, product development, clinical informatics, research, and healthcare technology who share a commitment to reducing complexity and improving outcomes for patients and providers.
Flight Software Engineer GCR Professional ServicesFlight Software EngineerCambridge, MassachusettsContractorClient is seeking a software engineer with an B.S. or a M.S. in Aerospace Engineering, Electrical Engineering, Systems Engineering, Computer Science or equivalent. Integration and test will include everything from unit testing, static and dynamic testing, integration and interface testing, debugging, and defect resolution.
Embedded Software Engineer (Avionics) GCR Professional ServicesEmbedded Software Engineer (Avionics)Cambridge, MassachusettsContractorExcellent development and troubleshooting skills on embedded targets ¿ Excellent knowledge of OS coding techniques, interfaces, hardware subsystems and driver development ¿ Development experience with device drivers, board support package, boot code and knowledge of embedded system buses and protocols (e.g. GCC, LLVM), static analysis tools, dynamic analysis, and QEMU based development are preferred ¿ Knowledge and experience with software configuration management tools, defect tracking tools, and peer review processes.
Senior Lead Software Engineer - Developer Infrastructure KlaviyoSenior Lead Software Engineer - Developer InfrastructureBoston, MA$216,000–$324,000 / 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. Platform Upgrades and Rollouts: Oversee and assist with the planning and seamless rollout of major software releases and updates, managing the entire lifecycle from design to deployment in production environments including significant individual contributions.
NewLead, Embedded Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max) L3Harris TechnologiesLead, Embedded Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max)Wilmington, MA$135,000–$250,500 / yearL3Harris Space and Mission Systems is seeking a Lead, Embedded Software Engineer for our Wilmington, MA location to join a talented team of experts developing Embedded Flight Software for space-based imaging payloads. Experience with embedded command and control of mechanisms (e.g., shutters, motors, gimbals), embedded controllers (e.g., PIC, STM, TMS), serial communications (e.g., CAN, TCP/IP, RS422), and distributed messaging (TCP/UDP).
NewSpecialist, Embedded Software Engineer (Optical Payload Integration) : Sign-on bonus ($15K max) L3Harris TechnologiesSpecialist, Embedded Software Engineer (Optical Payload Integration) : Sign-on bonus ($15K max)Wilmington, MA$97,000–$180,000 / yearL3Harris Space and Airborne Systems is seeking an Embedded Software Integration Engineer for our Wilmington, MA location to join a team of experts developing Embedded Flight Software for space-based imaging payloads. Bachelor’s degree in Computer Engineering, Computer Science, or related field with 4+ years of relevant experience; OR Graduate Degree with 2+ years of relevant experience; OR 8+ years of relevant experience in lieu of a degree.
NewRobotics Software Engineer - Boston BraintrustRobotics Software Engineer - BostonWakefield, MAYou will work closely with Whelix’s technical team to support the development of robotic systems that manipulate human-centric lab tools, translate workflows into automated systems, and help advance the platform from pilot stage toward commercial readiness. This role is ideal for an early-career robotics engineer, recent graduate, or advanced student with hands-on robotics experience through internships, research, capstone projects, or early professional work.
Forward Deployed Software Engineer Growth SignalsForward Deployed Software EngineerBoston, MAAs a seed-stage B2B startup, we’re on a mission to help teams accelerate discovery, validate concepts faster and scale impact across the organization, and we believe customer obsession is our unfair advantage. This role is ideal for someone who enjoys engaging directly with customers, bringing structure to ambiguity, and translating technical capabilities into practical, business‑aligned solutions.
NewLead, IPTL Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max) L3Harris TechnologiesLead, IPTL Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max)Wilmington, MA$135,000–$250,500 / yearThe ideal candidate has a strong background in space domain, including embedded and real-time software, RTOS environments such as VxWorks, and development of EGSE and test systems for optical payload integration and test. Bachelor’s degree in Computer Engineering, Computer Science, or related field with 9+ years of relevant experience; OR Graduate Degree with 7+ years of relevant experience; OR 13+ years of relevant experience in lieu of a degree.
Senior Lead AI Software Engineer KlaviyoSenior Lead AI Software EngineerBoston, MA$216,000–$324,000 / yearAs a Senior Lead Software Engineer on Amplify, you will: Independently own and drive high-impact objectives that span multiple Amplify teams and align with company priorities, defining the technical roadmap that ensures our internal applications, APIs, data and event pipelines, and AI-powered workflows can scale with Klaviyo and continue delivering measurable business outcomes. Independently lead the end-to-end lifecycle of large, multi-team initiatives with clear technical direction, architectural leadership, and active workstream curation, from discovery and design through implementation, rollout, and long-term ownership of complex programs that span internal customers across the company.
Senior Software Engineer, Agent Platform KlaviyoSenior Software Engineer, Agent PlatformBoston, 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.
NewSoftware Engineer II - Identity & Access Management KlaviyoSoftware Engineer II - Identity & Access ManagementBoston, MA$116,000–$174,000 / yearBuild and maintain shared SDKs and contracts that let internal teams adopt IAM services quickly (OAuth, machine auth, org-scoped authZ), making “secure by default” the simplest option for new surfaces and agents. 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 - Profiles, Lists and Segments KlaviyoSenior 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 - Growth KlaviyoSenior Software Engineer - GrowthBoston, MA$148,000–$222,000 / yearYou will define the architectural approach and technical strategy for your area of responsibility, anticipating scalability and reliability needs, including leveraging AI agents in our work and delivery, ensuring the solution is robust, scalable, and adheres to best practices for security, performance, and maintainability. 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 - Customer Agent KlaviyoSenior 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.
NewSoftware Engineer II, Data Automation KlaviyoSoftware Engineer II, Data AutomationBoston, 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. We love tackling tough engineering problems and look for Engineers who specialize in certain areas but are passionate about building, owning & scaling features end to end from scratch and breaking through any obstacle or technical challenge in their way.
Senior Software Engineer - Route Execution SamsaraSenior Software Engineer - Route ExecutionBoston, MARemoteYou believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
NewJava Software Engineer The Computer Merchant, LtdJava Software EngineerAndover, MA$65–$68 / hourContractorp>* While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. Benefits offered are in accordance with applicable federal, state, and local laws and subject to change at TCM's discretion.
Principal Software Engineer, Enterprise Scalability KlaviyoPrincipal Software Engineer, Enterprise ScalabilityBoston, MA$244,000–$366,000 / yearAI‑assisted scale engineering: AI‑driven anomaly detection reduces alert noise while improving signal; generative load testing and copilot runbooks are used in release/readiness checks for the top critical services; time‑to‑isolate regressions drops 20–30%. 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.
Software Engineer II - Model Platform AbnormalSoftware Engineer II - Model PlatformBoston, MAAs a Software Engineer focused on building systems for Detection’s Model Platform, you will be responsible for making feature development at Abnormal a fast, responsive, stable, and confident experience for our ML and Data Science team. The Detection Division is focused on building the world’s most advanced technology for identifying and stopping email and cloud-based attacks that were previously undetectable and help make the world a safer place.
Software Engineer (C# .NET Framework/SQL Server) SarnovaSoftware Engineer (C# .NET Framework/SQL Server)Boston, MAThe position is well suited for an engineer who enjoys working with complex systems, troubleshooting production issues, and contributing to the continued evolution and sustainability of the platform. This role focuses on supporting, enhancing, and progressively modernizing enterprise and legacy applications using C#, NET Framework, and SQL Server.
Software Engineer II - Inline Mailflow AbnormalSoftware Engineer II - Inline MailflowBoston, MADesign and implement core components of the SMTP relay harness, including Mail Transfer Agent (MTA) infrastructure, scalability, IP management, encryption, and DMARC support, working from conception through production operation. • Contribute to technical design discussions on how the relay integrates with existing inline products (outbound DLP, behavioral outbound, misdirected email), helping define the architecture of the broader Mail Flow platform.
NewStaff Software Engineer, Security & Privacy AbnormalStaff Software Engineer, Security & PrivacyBoston, MADistributed systems expert – you bring deep experience designing and operating large-scale distributed systems, and have partnered with security teams to build secure-by-default solutions. Were looking for a distributed systems expert who has worked closely with security teams — someone who can drive Product Security at scale and translate that into clear, executable technical roadmaps.
Sr. Software Developer - C#/WPF for UI/UX Development EsriSr. Software Developer - C#/WPF for UI/UX DevelopmentBoston, MARemote$123,136–$202,488 / yearThis is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. Design, develop, and build software components, frameworks and SDKs for other engineering teams and external developers consuming our API.
NewRF Engineer III (NH) - Security Clearance GCR Professional ServicesRF Engineer III (NH) - Security ClearanceHudson, New HampshireContractorCollaboration: Collaborate with cross-functional teams, including electrical engineers, mechanical engineers, software engineers, and project managers, to ensure successful integration of the Antennas . *Testing and Measurement Equipment: - Experience with Antenna/RF testing and measurement equipment, such as network analyzers, spectrum analyzers, signal generators, and oscilloscopes.
NewSenior Quality Engineer JobotSenior Quality EngineerDanvers, MA$110,000–$140,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. 3. Proven experience in driving corrective actions, conducting root cause analysis, managing nonconformances, and overseeing the quality of electro-mechanical products.
Senior Mechanical Engineer SymboticSenior Mechanical EngineerLawrence, MAApplying next-gen technology, high-density storage and machine learning to solve today's complex distribution challenges, Symbotic enables companies to move goods with unmatched speed, agility, accuracy and efficiency. Cross-Functional Collaboration: Work closely with electrical, software, controls, manufacturing, and quality engineering teams to ensure seamless integration and product success. .
Model-Based Systems Engineer (MBSE) GCR Professional ServicesModel-Based Systems Engineer (MBSE)Woburn, Massachusetts$75–$90 / hourContractorRole can be Hybrid, TBD The Systems Engineer should have experience architecting systems, working across the Systems Engineering Lifecycle, and in Digital Engineering/Model-Based Systems Engineering (MBSE) achieving architectural integrity and traceability through requirements analysis, system and software development and production system deployment. The ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, and Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization.
NewDirector, Software Engineering (UI) Fidelity InvestmentsDirector, Software Engineering (UI)Hudson, NHRemoteInformation TechnologyPlease be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Acting as a senior engineering leader who actively innovates, experiments, and evaluates emerging technologies, including cloud‑native patterns, platform modernization, and improved approaches to building APIs and services at scale.
Robotics/Controls Engineer GCR Professional ServicesRobotics/Controls EngineerBurlington, Massachusetts$100,000–$140,000 / yearCollaborate with the Manager of Controls Engineering to design and implement advanced control systems for robotic manipulators and electromechanical systems. Responsibilities include motion control and servo tuning, dynamic modeling, simulation in MATLAB, and real-time software implementation.
NewApplication Engineer GCR Professional ServicesApplication EngineerBillerica, Massachusetts$95,000–$130,000 / yearJob Summary: This role is responsible for translating customer technical requirements into product specifications, designing and validating new features, and developing custom mechanical components. It also includes maintaining technical documentation, providing on-site support, and collaborating cross-functionally to ensure successful product implementation.
Manufacturing Engineer III (NH) GCR Professional ServicesManufacturing Engineer III (NH)Hudson, New HampshireContractorYou will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.
NewManufacturing Engineer III| (NH) GCR Professional ServicesManufacturing Engineer III| (NH)Hudson, New HampshireContractorYou will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives. As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.
NewSenior Manufacturing Engineer Poly6Senior Manufacturing EngineerBurlington, MA$105,000–$160,000Create, oversee, and maintain detailed process SOP documentation, including work instructions, process flow diagrams, and technical reports, using tools like Microsoft Office Suite and ERP systems (e.g., Oracle). We deliver high-performance products that meet the rigorous demands of quality, durability, and precision required for next-generation turbine engines while helping reduce greenhouse gas emissions.
Production Support Engineer Clandica IncProduction Support EngineerBoston, MA$55–$60 / hourContractorp tabindex="0">The Production Support Engineer will be responsible for managing daily production support issues across Risk and Investments systems, monitoring applications and system health, investigating and resolving technical errors, performing root cause analysis for production issues, and documenting processes related to production support tasks. This role will also involve collaborating with IT partners to automate software delivery processes and supporting users with internal development platform and tools.
Quality Engineer III (NH) GCR Professional ServicesQuality Engineer III (NH)Hudson, New Hampshire$45–$58 / hourContractorThis role will participate and/or lead failure analysis in manufacturing and for field failures, develop troubleshooting & repair schemes, develop manufacturing process controls and documentation, interface with manufacturing and quality personnel to train and transfer processes & knowledge for successful volume production launches, and engage with suppliers as needed to drive improvement and implement process controls. This is a hands-on role that works with a team of quality engineers, technicians and inspectors that are engaged through the entire life cycle of product, starting during development, continuing with transitioning of product to manufacturing, and then supporting the continuous manufacture of product.
GNC SYSTEMS ANALYST ENGINEER GCR Professional ServicesGNC SYSTEMS ANALYST ENGINEERCambridgeContractorTime domain simulations, covariance-based methods, and Monte Carlo dispersed analysis will be used to assess and tune system performance and to document analysis results. The analysis will include assessment of control, navigation, and guidance system performance, verification of algorithms and algorithm requirements, and analysis of flight dynamics and trajectory dispersions.
Test Engineer Continental ResourcesTest EngineerExeter, NHFull timeThe Test Engineer is responsible for the design, development, programming, implementation, and maintenance of automated test equipment and test fixtures used in the testing of power supplies and related electronic products. This role works closely with design and manufacturing teams to develop test procedures, create automated test programs, and ensure product quality through effective testing processes.
NewSales Engineer GCR Professional ServicesSales EngineerAmesbury, Massachusetts$85,000–$120,000 / yearThis role collaborates closely with Sales, Engineering, Operations, and Quality to develop and deliver engineered solutions that meet customer requirements while driving revenue growth, customer satisfaction, and long-term business relationships. The Sales Engineer serves as the technical liaison between customers and internal teams, providing engineering expertise throughout the sales process.
NewMechanical Proposal & Cost Engineer GCR Professional ServicesMechanical Proposal & Cost EngineerBurlington, Massachusetts$50–$58 / hourThis role is ideal for an engineer who enjoys technical problem solving, proposal development, and cross functional collaboration in a fast paced environment. Create production level BOMs to support purchasing, supplier RFQs, and material procurement activities.
Senior Software Enigneer The Computer Merchant, LtdSenior Software EnigneerChelsea, MA$90–$95 / hourContractorWhile an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. The Massachusetts Department of Revenue (MA DOR) through the ANF IT division seeks to enhance the security, scalability, and operational efficiency of its analytics environment through the migration of its on-premises SAS 9.4 platform to AWS.
Validation Engineer ECLAROValidation EngineerDevens, MA$52.14–$55.30 / hourDesign, execute, manage, and implement QC instrument / software qualification documents such as (but not limited to): User Requirement Specification (URS), Design Qualification (DQ), validation plans, equipment IOQ protocols, software test scripts, configuration specifications, risk assessments, qualification summary reports. Quality management system experience including: document control / management, change controls, investigations, deviations, electronic validation databases, asset management database.
NewSenior Vice President, Full-Stack Engineer BNYSenior Vice President, Full-Stack EngineerBoston, MA$102,000–$200,000Prior experience leading or managing engineering teams, preferably small to mid-sized teams of 5–10 engineers, with demonstrated ability to mentor, guide, and deliver through others while remaining technically hands-on. Ability to set technical direction, influence architecture decisions, manage delivery priorities, and communicate effectively with senior stakeholders, business partners, architects, and engineering teams.
NewCybersecurity Engineer, Senior - Secret DCS CorporationCybersecurity Engineer, Senior - SecretBedford, MA$123,639–$210,000 / yearEssential Job Functions: Assist in the development of security documentation including System Security Management Plans, Program Protection Plans, Security Risk Analyses, OPSEC Plans, and other required system security engineering artifacts. The Electronic Systems System (ESS) Division aka Force Protection Division's mission responsibility is to manage and execute the modernization, design, development, testing, fielding, and sustainment of the various software and hardware within the ESS Portfolio.
NewCybersecurity Engineer, Journeyman - Secret DCS CorporationCybersecurity Engineer, Journeyman - SecretBedford, MA$90,220–$185,000 / yearAssist in the development of security documentation including System Security Management Plans, Program Protection Plans, Security Risk Analyses, OPSEC Plans, and other required system security engineering artifacts. The Electronic Systems System (ESS) Division aka Force Protection Division's mission responsibility is to manage and execute the modernization, design, development, testing, fielding, and sustainment of the various software and hardware within the ESS Portfolio.
Manager, Software Engineering - Mobile Platform SamsaraManager, Software Engineering - Mobile PlatformBoston, MARemoteThis leader will balance long-term architectural rigor with near-term product delivery, ensuring Samsara’s mobile apps are scalable & performant while providing intuitive & delightful experiences for customers operating in the physical world. Working at Samsara means you’ll help define the future of physical operations and be on a team that’s shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring.
STS Senior Test Development Engineer P3 Butler America AerospaceSTS Senior Test Development Engineer P3Billerica, MA$75–$85 / hourContractorDesired Skills (Nice to Have)Experience with project leadership, project cost and schedule management, i.e. EVMS, MS ProjectDoW (DoD) project development life cycle processes. The individual comes up to speed quickly, has an impact on our projects developing test stations/fixtures/automated test software, has familiarity with a process heavy work environment.
STS Senior Test Development Engineer P2 Butler America AerospaceSTS Senior Test Development Engineer P2Billerica, MA$80–$95 / hourContractorDesired Skills (Nice to Have)Experience with project leadership, project cost and schedule management, i.e. EVMS, MS ProjectDoW (DoD) project development life cycle processes. The individual comes up to speed quickly, has an impact on our projects developing test stations/fixtures/automated test software, has familiarity with a process heavy work environment.