79 senior java python developer jobs at 30 companies in Portsmouth, NH

3mo
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Senior Software Engineer
Woburn, Massachusetts, United States
$139k-$165k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
3+ YOETop Secret clearance with SCI eligibility; BS+5y, MS+3y, or PhD in CS; strong C++, Python, Java; Linux; Docker/Kubernetes; API design; team collaboration.
C++, Python, Java, Linux, Docker, Kubernetes, APIs
2w
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Staff Software Engineer-JAVA
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
UKG
UKG: Provider of workforce management and human capital management software.
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
2mo
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Senior Software Engineer - Tewksbury/Woburn
Tewksbury or Woburn
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEBachelor's degree in STEM; 5+ years software development experience; proficiency in C++, Java, or C#; ability to obtain Secret security clearance; U.S. citizenship required.
C++, Java, C#, Jenkins, Azure, Git, Bitbucket, Artifactory, MATLAB, Python, Red Hat Linux, Windows development, Scrum, SAFe, DevSecOps
1mo
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Principal Software Engineer (Python)
Hinjewadi or Pune or Burlington or Europe or Asia or North America
HybridFull Time
Cerence
CerenceNASDAQ: CRNC: Develops AI-powered voice assistants and software for automotive vehicles.
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
2mo
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Senior Associate Software Engineer - Portsmouth, NH
Portsmouth, New Hampshire, United States
OnsiteFull Time
Hubbell
HubbellNYSE: HUBB: Designs and manufactures electrical products and utility infrastructure solutions.
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
1mo
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Senior Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
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
3w
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Senior Software Engineer II, Confluent Secure Compute
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$131k-$245k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
5+ YOEBachelor's degree,5+ years building backend production systems,strong programming skills (Python/Go/C/C++/Java),cloud and container experience,observability and operational excellence,technical leadership and collaboration.
Python, Go, C, C++, Java, Docker, Kubernetes, JVM, WASM, AWS, GCP, Azure
2mo
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Senior QA SW Engineer - Salem, NH(10302)
Salem or Thornhill
$120k-$140k/yr HybridFull Time
Extreme Networks
Extreme NetworksNASDAQ: EXTR: Provides cloud-managed networking hardware and software solutions.
Expertise in wired or wireless LAN networking, cloud platforms (AWS/Azure/GCP), containerization (Docker/Kubernetes), observability tools, and strong Python/Java debugging skills; legal work authorization required.
VLAN, IP, STP, TCP/UDP, VRRP, OSPF, BGP, MPLS, IS-IS, SPBM, AAA, 802.1X, VPN, Captive Portal, IPsec, Firewalls, DHCP, DNS, RADIUS, LDAP, SSH, Certificate Authorities, AWS, Azure, GCP, Docker, Kubernetes, RabbitMQ, Kafka, Prometheus, Grafana, ELK, Loki, Python, Java, Ixia, Spirent, ESX, Hyper-V
1mo
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TAK Developer
Lexington, Massachusetts, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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 Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
1mo
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TAK Developer
Lexington, Massachusetts, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
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
2w
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Lead Software Engineer
Wakefield, Massachusetts, United States
$113k-$209k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
8+ YOE8+ years software engineering experience building scalable REST APIs, microservices, Kubernetes, cloud-native data platforms, and distributed data processing using Python/Java and Spark.
REST APIs, microservices, Kubernetes, Data Warehousing, Data Lakes, Delta Lake, Python, Java, Angular, PySpark, Apache Spark, TypeScript, JavaScript, AWS S3, Lambda, API Gateway, EventBridge, Kafka, SNS, SQS, PostgreSQL, SQL Server, Aurora, DynamoDB, MongoDB, Redis, Terraform, Ansible, Jenkins, GitHub, GitLab, Bitbucket, GoCD, Databricks, Azure, Google Cloud Platform (GCP), LLMs, RAG architectures, Agentic AI
1mo
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Senior DevOps Engineer - Cloud Operations
Burlington, Massachusetts, United States
$136k-$168k/yr OnsiteFull Time
Black Duck
Black Duck: Provides software security testing and application risk management solutions.
Hands-on GCP and Kubernetes expertise, CI/CD and GitOps experience, scripting (Python/Bash/Go), IaC (Terraform), production Java/J2EE support, strong cloud networking and security knowledge, bachelor's degree or equivalent experience.
Google Cloud Platform (GCP), GKE, Cloud Run, Cloud Storage, VPC, IAM, Cloud Monitoring, Cloud Logging, Error Reporting, Kubernetes, Helm, GitOps, Cloud Secret Manager, Vault, GitHub Actions, ArgoCD, Python, Bash, Go, Terraform, Java, J2EE, JVM, SAST, SCA, DAST, PSC, CMEK
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
Elevance Health
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
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
3d
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Cybersecurity Research Engineer - RE/DSP
Bedford, New Hampshire, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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
1mo
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Senior Site Reliability Engineer
Westbrook or Maine or New Hampshire or Massachusetts
$100k-$125k/yr HybridFull Time
IDEXX
IDEXXNASDAQ: IDXX: Diagnostic equipment and software for veterinary and water testing.
7+ YOE7+ years in DevOps/SRE/Platform Engineering with CI/CD, cloud infra (AWS Serverless), Terraform/CloudFormation, GitHub Actions, CI/CD design, distributed systems troubleshooting, and strong communication skills.
AWS Lambda, Amazon SQS, Amazon SNS, Amazon EventBridge, Amazon DynamoDB, Amazon S3, Amazon Aurora, Amazon CloudFront, Terraform, AWS CloudFormation, GitHub Actions, Maven, Git, GitHub, Kotlin, Java, Python, TypeScript, Azure Entra ID, OAuth2, OpenID Connect, JFrog Artifactory, AWS X-Ray, OpenTelemetry, PostgreSQL
1mo
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Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
DEKA Research & Development
DEKA Research & Development: Designs and develops advanced medical and robotic technologies.
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
2w
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Cybersecurity Research Engineer - RE/DSP
Bedford, New Hampshire, United States
$146k-$234k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
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
2mo
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Lead Research Engineer I - Mission Autonomy & Global Effects
Burlington, Massachusetts, United States
$150k-$196k/yr HybridFull Time
Scientific Systems Company (SSCI)
Scientific Systems Company (SSCI): Provides AI-powered autonomy and mission planning for unmanned systems.
7+ YOEBSc (7+ yrs) or MS (5+ yrs) or PhD (2+ yrs) in a quantitative field, team leadership and program/proposal experience, software development for edge platforms, experience with C/C++, Python (Java/Rust), simulation tools (AFSIM, NGTS), and ability to obtain a U.S. DoD security clearance.
C/C++, Python, Java, Rust, AFSIM, NGTS, Linux
3w
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Principal Software Engineer – Algorithm Team
Merrimack, New Hampshire, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's degree plus 6 years (or Master’s plus 4) experience, Secret clearance (within 2 years), machine learning/algorithm development, embedded/software development in C++/Python/Java, EM/EO experience preferred.
C++, Python, Java, CUDA, Open CL