2w
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Staff Software Engineer-JAVA
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
7+ YOE7+ years building enterprise Java web applications; strong Java, Spring Boot, Hibernate/JPA, React, SQL, cloud-native and AI integration experience; TDD and CI/CD practices.
Java, J2EE, Spring Boot, Spring Framework, Hibernate/JPA, React, JavaScript, HTML5, CSS3, REST APIs, SQL, LangGraph, OpenAI Agents SDK, CrewAI, AutoGen, OpenAI, Anthropic, Google Gemini, AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, OpenShift, Terraform, CloudFormation, ARM Templates, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Datadog, Grafana, Prometheus, Splunk, OpenTelemetry, Bash, Python, PowerShell, GitHub Copilot, ChatGPT, Cursor, Claude
1mo
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Principal Software Engineer (Python)
Hinjewadi or Pune or Burlington or Europe or Asia or North America
HybridFull Time
8+ YOEBachelor's in Engineering/CS, 8+ years experience (5+ with Python), strong OO design, experience building AI agents, CI/CD, cloud, containers, databases, excellent communication and problem-solving skills.
Python, Java, git, Bamboo, Jenkins, JSON, XML, HTTP, RESTful, PostgreSQL, MySQL, Kubernetes, K8s, Docker, Envoy, Terraform, Azure, AWS, CICD
1mo
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TAK Developer
Lexington, Massachusetts, United States
$87k-$198k/yr HybridFull Time
5+ YOE5+ years software development (Java, Kotlin, JavaScript), 3+ years Python, experience with CoT/KML/GeoJSON, Linux, Docker, cloud (AWS EC2, Azure, vSphere, Kubernetes), SQL (MySQL/PostgreSQL), ATAK/TAK plugin dev, Secret clearance, Bachelor's or 8+ yrs experience.
Java, Kotlin, JavaScript, Python, MySQL, PostgreSQL, Cursor-on-Target (CoT), KML, GeoJSON, Linux, Docker, AWS EC2, Azure, vSphere, Kubernetes, TAK, ATAK, ATAK-CIV SDK, Gradle, NATS, MQTT, ActiveMQ, gRPC, protobuf, Android SDK, WinTAK, TAK X, TAK Server
1mo
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Senior Software Engineer
Arlington or Woburn or Carlsbad or Aurora or Boston or Dayton or Melbourne
$140k-$170k/yr HybridFull Time
5+ YOEProven Java and Spring development experience, microservices and API design, containerized infrastructure (Docker/Kubernetes), experience with Kafka/NATS and GitLab, Python for AI/data integration, and ability to obtain Top Secret clearance.
Java, Spring Boot, Linux, Docker, Kubernetes, Kafka, NATS, GitLab, Python
2w
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Entry Level Software Developer
North Andover, Massachusetts, United States
$65k-$75k/yr HybridFull Time
Bachelor's in Computer Science or related, experience with C#, Java or Python, attention to detail, team and individual contributor skills, leadership potential.
Windows, .NET, Linux, iOS, Android, C#, Java, Python
1mo
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AI Developer, AVP
Burlington, Massachusetts, United States
$90k-$158k/yr OnsiteFull Time
2+ YOEHands-on engineer with 2+ years building production AI systems: LLMs, RAG, agent frameworks, Python (plus Java/C#/TypeScript), cloud platforms (Azure preferred), Kafka/Event Hub, Redis/Hazelcast, and CI/CD practices.
LLMs, RAG, MCP, Python, Java, C#, TypeScript, Kafka, Event Hub, Redis, Hazelcast, Snowflake, Microsoft Azure, AWS, GCP, API Management, APIs, CI/CD, Agile, Scrum
1mo
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Lead Development Engineer
Burlington, Massachusetts, United States
$155k-$173k/yr HybridFull Time
3+ YOEMaster's in CS/CE/IS (required) plus 3+ years experience; 2+ years building microservices, distributed systems, cloud (AWS/Azure/Google Cloud), Kubernetes, CI/CD, Java, Python, Spark, Kafka/Kinesis, Maven, Jenkins.
Kubernetes, AWS, Microsoft Azure, Google Cloud, CI/CD, Java, Python, Apache Spark, Apache Kafka, AWS Kinesis, Maven, Jenkins
3mo
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Mid-Level Software Engineer
Fairfax or Lexington
$90k-$180k/yr OnsiteFull Time
8+ YOESecret clearance; 8-10 years software Eng; ML/AI with Python/Java/C++; ML libraries; cloud; Agile; Git.
Python, Java, C++, TensorFlow, PyTorch, Scikit-learn, Git, AWS, Azure
1mo
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Senior Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
1+ YOEBachelor's in CS/IT/Engineering + 3 years, or Master's + 1 year; experience developing test automation frameworks using Java, Selenium, Cucumber, TestNG, Maven; SQL/DB2/Oracle data validation; CI/CD with Jenkins, Git/GitHub; cloud experience (Azure/AWS).
Java, SQL, DB2, Oracle, Maven, Git, GitHub, Jenkins, Sonar, Jira, Xray, Azure, AWS, Selenium WebDriver, Cucumber, TestNG, Python, Splunk, Snowflake, ICEDQ, GitHub Copilot
2mo
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Senior Associate Software Engineer - Portsmouth, NH
Portsmouth, New Hampshire, United States
OnsiteFull Time
1+ YOEBachelor’s degree in CS or Software Engineering; 1-2 years software development; proficient in C#, Python, or Java; DB design/optimization; Git; strong analytical and communication skills.
C#, Python, Java, Git, SQL
4d
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Entry Level Software Developer 2026
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or San Jose or Austin
$88k-$152k/yr HybridFull Time
Bachelor's in Computer Science/Engineering or related, proficiency in languages such as Java/Python/Go/C++, strong problem-solving, communication and teamwork; must be able to work without visa sponsorship.
Java, Python, Go, C++, JavaScript, IBM Cloud, AWS, Microsoft Azure, GCP
1mo
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TAK Developer
Lexington, Massachusetts, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years object-oriented programming (Java/Kotlin/JavaScript), 3+ years Python, SQL and relational DB experience, CoT and geospatial formats (KML/GeoJSON), Linux, Docker, cloud/virtualization (AWS EC2, Microsoft Azure, vSphere, Kubernetes), ATAK/TAK ecosystem experience, Secret clearance, Bachelor's degree or 8+ years experience.
Java, Kotlin, JavaScript, Python, MySQL, PostgreSQL, Cursor-on-Target (CoT), KML, GeoJSON, Linux, Docker, AWS EC2, Microsoft Azure, vSphere, Kubernetes, TAK, ATAK, ATAK-CIV SDK, WinTAK, TAK X, TAK Server, Gradle, Android SDK, NATS, MQTT, ActiveMQ, gRPC, protobuf
1mo
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Distinguished AI Engineer
Richmond or Indianapolis or Walnut Creek or Seattle or Grand Prairie or Winston-Salem or Chicago or Atlanta or Miami or Nashville or Tampa or Woburn or Norfolk
$231k-$417k/yr HybridFull Time
15+ YOEBachelor's in CS/IT (or equivalent) and 15+ years software engineering experience; production AI/ML, LLM and agentic systems experience; strong Python/Java skills; APIs, microservices, cloud, CI/CD and DevOps experience required.
Python, Java, APIs, microservices, event-driven architectures, cloud platforms, CI/CD, DevOps, MLOps, LLMOps, Large Language Models (LLMs), agentic systems, distributed systems
1w
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Senior Principal Software Engineer
Westford, Massachusetts, United States
$132k-$252k/yr HybridFull Time
10+ YOEU.S. citizen with active transferable Secret clearance, STEM degree with 10+ years (or advanced degree with 7+ years), experience with C++/Java/Python/TypeScript, system integration, travel up to 25%.
C++, Java, Python, TypeScript, Docker, Kubernetes
1mo
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Robotics - Software Development Engineer
Austin or Westborough or Seattle or Arlington or Bellevue or North Reading or Westboro
$111k-$160k/yr OnsiteFull Time
Bachelor's degree or equivalent; experience with Java, Python, C++, C#, Go, Rust, or TypeScript; data structures, algorithms, and object-oriented design; cloud-native and distributed systems experience preferred; participation in on-call and CI/CD practices.
Java, Python, C++, C#, Go, Rust, TypeScript, AWS, SQL, NoSQL, GenAI, CI/CD
3d
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Cybersecurity Research Engineer - RE/DSP
Bedford, New Hampshire, United States
$80k-$128k/yr OnsiteFull Time
5+ YOEDegree in CS/CE/EE/applied math/physics or related; expertise in reverse engineering and digital signal processing; experience with C/C++/Java/Python/Go; Top Secret/SCI eligible; strong networking and development tool knowledge.
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, Subversion, CI/CD, GHIDRA, Hex-Rays IDA, Binary Ninja, Angr, Cuckoo sandbox, OllyDBG, WinDbg, Metasploit, Cobalt Strike, CORE, EMANE, MiniNet, Docker, Docker Swarm, Kubernetes, Terraform, AWS, Azure, OpenStack
2mo
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Software Engineer (Lexington, MA, US)
Lexington, Massachusetts, United States
$116k-$182k/yr OnsiteFull Time
3+ YOEMaster’s in Computer Engineering/CS or related field; bachelor’s with 3+ years experience considered; strong C/C++, Java or Python, Bash; Docker, Kafka, Redis, USRPs experience; strong problem solving and communication skills.
Docker, Apache Kafka, Redis, Ettus USRPs, C, C++, Java, Python, Bash, GDB, LLDB, UDP, TCP, UART, SPI, I2C, USB, PCIe, MIPI
1mo
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Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
6+ YOEM.S. in CS/AI, 6+ years backend/distributed systems experience, strong Java (Spring Boot, Spring MVC, Hibernate) and Python skills, production ML (PyTorch), Apache Kafka/Spark/ZooKeeper, databases (Oracle, IBM Db2, MSSQL, MongoDB), cloud (AWS).
Java, Spring Boot, Spring MVC, Hibernate, Python, PyTorch, Apache Kafka, Apache Spark, ZooKeeper, REST, SOAP, Oracle, IBM Db2, MSSQL, MongoDB, AWS
1w
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Cybersecurity Research Engineer - RE/DSP
Bedford, New Hampshire, United States
$146k-$234k/yr OnsiteFull Time
8+ YOEAdvanced expertise in reverse engineering and digital signal processing, 8+ years experience with BS (or 6+ with MS/3+ with PhD), proficiency in C/C++/Java/Python/Go, OS and networking internals, modern development toolchains, Top Secret/SCI clearance and US citizenship.
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, subversion, CI/CD, GHIDRA, Hex-Rays IDA, Binary Ninja, Angr, Cuckoo sandbox, OllyDBG, WinDbg, Metasploit, Cobalt Strike, CORE, EMANE, MiniNet, Docker, Docker Swarm, Kubernetes, Terraform, AWS, Azure, OpenStack
1mo
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Software Engineer, Core Systems & Platform Services
Wilmington, Massachusetts, United States
$96k-$132k/yr HybridFull Time
0+ YOEBachelor's in Computer Science or related; 0–3 years professional software engineering experience; experience with robotics/automation; strong algorithms and data structures; proficiency in C#, Java, or Python; valid driver’s license; willingness to travel up to 10%.
C#, .NET, Java, Python