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Java Python Developer Jobs in Newmarket, NH, US
160+ java python developer jobs from 46 companies hiring in Newmarket, NH, US.
4d
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Senior Software Engineer - Java, Angular
Johnston or Iselin or Westwood or Medford or Phoenix
$107k-$161k/yr OnsiteFull Time
5+ YOE5+ years software development; 3+ years requirements gathering and design; strong collaboration; multi-language experience including frontend (Angular/React/Vue) and backend (Java/Python/JavaScript).
Java, Angular, Python, JavaScript, Golang, C, C++, Linux, AWS, Azure, GCP, CI/CD, Flowable, Banking
1w
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Lead Software Engineer - Python + PySpark
Richmond or McLean or Cambridge
$179k-$225k/yr HybridFull Time
4+ YOE1+ MgmtLead software engineer with 4+ years of software engineering experience and 1+ year cloud experience (AWS/Azure/GCP); proficient in Python, PySpark, JavaScript, TypeScript, SQL, Java, and Go; strong leadership and collaboration skills.
Python, PySpark, JavaScript, TypeScript, SQL, Java, Go, Docker, Kubernetes, AWS, Azure, GCP, HTML/CSS, Open Source RDBMS, NoSQL
2mo
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Senior Cloud Developer - Virtualization
Fort Collins or Spring or Andover
$144k-$273k/yr HybridFull Time
7+ YOESenior cloud developer with 7-10 years of experience in cloud architectures and microservices; proficient in Python, Java, Golang, or JavaScript; Kubernetes experience.
Python, Java, Golang, JavaScript, Kubernetes, Docker, Microservices, Cloud-native
2mo
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Senior Cloud Developer - Virtualization
Fort Collins or Spring or Andover
$144k-$273k/yr HybridFull Time
7+ YOEBachelor's or master's in computer science/engineering or related field; 7-10 years' experience; strong Python/Java/Golang/JavaScript; microservices/Kubernetes; cloud-native design and development.
Python, Java, Golang, JavaScript, Kubernetes, Docker, Microservices, Cloud, DevOps
13h
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Principal Software Engineer – Algorithm Team - EOIR
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's/Master's in CS/CE with 4-6 years experience; Secret clearance; strong C++, Python, Java; ML/algorithm development; embedded/software development.
C++, Python, Java, CUDA, OpenCL
3d
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Software Engineer III
Cambridge, Massachusetts, United States
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent practical experience; 2 years in programming (C++, Python, Java).
C++, Python, Java
1w
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Senior Software Engineer
Plano or Columbus or Boston or Portsmouth or Indianapolis
$106k-$197k/yr HybridFull Time
5+ YOEFive+ years software engineering; strong Python/Java; AWS; RESTful services; React/Node.js; Agile experience.
Python, Java, React, Node.js, Spring Boot, AWS, RESTful services, RDS
1mo
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Sr. Software Engineer - Backend
Lowell, Massachusetts, United States
$86k-$159k/yr HybridFull Time
7+ YOESenior backend developer with 7+ years of cloud-focused experience; proficient in Go, Python, Node.js, Java, and databases; strong background in microservices, APIs, DevOps, and security.
Go, Python, Node.js, C++, Java, AWS, Azure, Google Cloud, EC2, Lambda, S3, CloudFormation, MySQL, PostgreSQL, MongoDB, Redis, Cassandra, gRPC, REST, GraphQL, Docker, Kubernetes, CI/CD
1mo
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Research Software Engineer, Formal Methods (Hybrid)
Cambridge or Arlington or Columbia
$87k-$165k/yr HybridFull Time
5+ YOE5+ years of software development experience; strong Python and C/C++ or Java; experience with formal methods; security-focused; ability to obtain DoD Top Secret clearance.
Python, C, C++, Java, logic programming
3w
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Product Developer
Burlington, Massachusetts, United States
$127k-$173k/yr HybridFull Time
5+ YOEMaster’s degree in Computer Science, Computer Engineering, Information Systems, Information Technology, or related field; 5 years of related experience; strong DevOps in AWS/Aliyun, Kubernetes, Java, Python; CI/CD; cloud security; ability to work in the United States.
AWS, Aliyun, Kubernetes, Java, Python, CI/CD, Cloud Security
1mo
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Senior Full Stack Software Engineer
Burlington, Massachusetts, United States
$135k-$169k/yr OnsiteFull Time
5+ YOE5+ years full-stack development; React/Angular/Vue; Node.js/Python/Java; CI/CD; cloud platforms; design systems; AI features.
React, Angular, Vue, Node.js, Python, Java, Git, Docker, CI/CD, AWS, Azure, GCP, Figma, Miro, Tailwind CSS, Material UI, Storybook, OpenAI APIs, Prompt Engineering, LangChain, VectorDBs, Cypress, Playwright, Jest
2mo
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Senior Cloud Developer - Virtualization
Fort Collins or Spring or Andover
$144k-$273k/yr HybridFull Time
7+ YOEBachelor's or master's in CS/engineering; 7-10 years experience; strong Python/Java/Golang/JavaScript; microservices in Kubernetes; cloud systems design and integration.
Python, Java, Golang, JavaScript, Kubernetes, Microservices
13h
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Principal Software Engineer – Algorithm Team - EOIR
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's in CS/CE with 6+ years or Master's with 4+ years; active Secret clearance; C++, Python, Java; ML/algorithm development; embedded software; strong software engineering practices.
C++, Python, Java, CUDA, OpenCL, Machine Learning
21h
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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
HybridFull Time
3+ YOEExperience building RESTful APIs with Java/Spring; strong Java and Python; cloud, CI/CD, and DevOps tools; Agile practices.
Java, Python, Spring Frameworks, Maven, Git, AWS, Jenkins, Udeploy, Docker, Kubernetes, Artifactory, Kibana, Grafana, Splunk, Cucumber, Eclipse
2w
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Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
6+ YOEMS in CS or AI; 6+ years backend and distributed systems; strong Java/Python; production ML models; Kafka/Spark; microservices; databases; AWS.
Java, Python, Spring Framework, Hibernate, PyTorch, Kafka, Spark, ZooKeeper, AWS, REST APIs, NoSQL databases, SQL databases
1mo
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Principal Software Engineer I, Full Stack
Cambridge, Massachusetts, United States
$178k-$209k/yr HybridFull Time
7+ YOE7+ years in web technologies, REST APIs, Python/Java, React, AWS; strong system design, mentoring, and leadership; bachelor’s or equivalent.
HTML, CSS, JavaScript, TypeScript, React, Django, Python, Java, AWS, EC2, S3, Lambda, SNS, SQS, RDS, PostgreSQL, NoSQL
5d
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Software Engineer 3
Wilmington, Massachusetts, United States
$97k-$145k/yr OnsiteFull Time
0+ YOE0–5 years experience; degrees in EE, CS, applied mathematics, or physics; strong systems thinking; Python/MATLAB; C/C++/Java; problem solving and communication.
Python, MATLAB, C++, C#, Java
2mo
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Machine Learning Engineer
Austin or San Francisco or Cambridge
HybridFull Time
4+ YOE4+ years of experience building high-throughput applications or ML models; proficiency in Python/Java/C++; experience with large-scale data and Spark/Snowflake/Hadoop; strong communication and problem solving.
Python, Java, C++, Spark, TensorFlow, Keras, PyTorch, SQL, Snowflake, Hadoop
1mo
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Principal Software Engineer, Instrument Simulations
Cambridge, Massachusetts, United States
$204k-$270k/yr OnsiteFull Time
10+ YOE5+ MgmtSenior software leader with 10+ years of experience; 5+ years in leadership; strong C++, Python, or Java; architecture of large-scale projects; hardware-software integration knowledge.
C++, Python, Java, APIs, CI/CD, Software Architecture
1w
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Software Engineer ll
Woburn, Massachusetts, United States
OnsiteFull Time
2+ YOEBachelor's degree; 2-6 years in AWS and Python; US person or Export Authorization; OOP knowledge; proficient in Python and one other language (Java/C++/C#/Swift); experience building large Python programs.
AWS, Python, Azure, IoT, Event Hub, Functions, Databases, MQTT, NumPy, PyTest, Pandas, SciPy, Plotly, wxPython
3w
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Senior Software Engineer - Robotics
Woburn, Massachusetts, United States
$134k-$184k/yr HybridFull Time
5+ YOE2+ Mgmt5+ years in software engineering; BS in Computer Science or related field; 3+ years in C++, Java, or Python; security clearance eligibility; experience leading small teams; strong algorithms and data structures knowledge.
C++, Python, Java, JIRA, SonarQube, CI/CD, ROS, MAVLINK, Unreal Engine, DevSecOps
1w
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Sr. Principal Software Engineer – Embedded Software Lead - EOIR
Merrimack, New Hampshire, United States
$133k-$226k/yr OnsiteFull Time
8+ YOEBachelor's or Master’s in CS/CE; active Secret clearance; strong C++, Python/Java; embedded software experience; leadership experience.
C++, Python, Java, Ada, Embedded Software, Software Development Processes, Agile
2mo
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Systems Engineer (Lexington, MA, US)
Lexington, Massachusetts, United States
$145k-$220k/yr OnsiteFull Time
3+ YOEDoctorate or Masters with 3 years of relevant experience; proficiency in prototyping languages (Python, Java, Julia, Matlab); ability to lead and balance multiple projects; strong communication and problem solving.
Python, Java, Julia, Matlab
2w
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Full Stack Developer
Cambridge, Massachusetts, United States
$100k-$117k/yr OnsiteFull Time
3+ YOEBachelor's degree in Computer Science or related field; 3+ years software development; full-stack production applications; cloud and containerization experience.
Python, JavaScript, C#, Java, React, Vue, Angular, Docker, Kubernetes, AWS, Azure, GCP
1mo
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Principal Software Developer
Cambridge, Massachusetts, United States
OnsiteFull Time
8+ YOE2+ Mgmt8+ years software development; BS in CS/Software Engineering; leadership of complex projects; strong problem-solving; Agile; Git; Excellent communication.
Java, C, C++, Python, JavaScript, Git, Agile/Scrum
1mo
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Senior Backend Engineer
Cambridge, Massachusetts, United States
$150k-$200k/yr OnsiteFull Time
Senior backend engineer with Python, Terraform, and GCP experience; plus familiarity with backend frameworks, cloud platforms, APIs, databases, CI/CD, version control, and microservices.
Python, Terraform, Google Cloud Platform, AWS, Azure, Node.js, NuxtJS, Express.js, JavaScript, TypeScript, Java, C++, Go, REST, gRPC, GraphQL, SQL, NoSQL, PostgreSQL, MongoDB, Firebase, Jenkins, CircleCI, GitLab, Git, Perforce
1w
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Knowledge Graph Engineer
Reston or Somerville
$140k-$170k/yr HybridFull Time
2+ YOE2–5 years software engineering; Python and at least one typed language; graph databases; SQL; cross‑team collaboration
Python, Java, Go, TypeScript, ArangoDB, Neo4j, TigerGraph, JanusGraph, NetworkX, SQL, BigQuery, Cloud Run, GCP
1mo
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MES Engineer
Cambridge, Massachusetts, United States
$75k-$156k/yr OnsiteFull Time
5+ YOE5-7 years in manufacturing systems or digital manufacturing; 4+ years with MES platforms; experience with FactoryLogix MES or similar; strong integration and data skills; programming in C#, Java, or Python.
FactoryLogix MES, SQL Server, Oracle, C#, Java, Python, APIs, Middleware
2w
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Data Engineer
Portsmouth or Boston or Plano or Indianapolis
HybridFull Time
3+ YOE3+ years data engineering; strong SQL, Python/Java, AWS; Snowflake, IDMC; ETL/ELT design; data modeling and governance; cross‑functional collaboration; proactive andMentor-ready.
Snowflake, IDMC, Python, Java, SQL, AWS, Power BI, Erwin, PostgreSQL, FCS
2w
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Application Security Engineer
Quincy or New York or Princeton or Austin or Burlington or Durham or North Quincy or Cambridge or Norwalk or Boston or Manchester or Richmond
$90k-$158k/yr OnsiteFull Time
6+ YOE6+ years in software development/security with DevSecOps/AppSec focus; strong CI/CD automation; cloud (Azure/AWS); SAST/DAST/SCA; container security; CISSP or similar; programming in Java/.Net/Python/Node.js; IaC with Ansible/Terraform/Kubernetes; agile environment.
Java, DotNet, Python, Node.js, Azure, AWS, SAST, DAST, SCA, Kubernetes, Ansible, Terraform, Infrastructure as Code
5d
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Software Engineer Intern
Portsmouth, New Hampshire, United States
OnsiteInternship
Pursuing or recently completed degree in Computer Science or related field; basic programming knowledge; ability to learn and collaborate; experience with AI-assisted development tools (preferred).
Python, Java, JavaScript, Git, AI-assisted development tools (Copilot, Codex, Claude Code), APIs (OpenAI)
1mo
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Full Stack Software Developer
Salem, New Hampshire, United States
OnsiteFull Time
7+ YOE7–10+ years software engineering; strong Java, Python; microservices; cloud-native; IaC; CI/CD; Docker/Kubernetes; AWS; Agile; strong communication.
Java, Python, Go, Terraform, CloudFormation, Ansible, GitLab, Docker, Kubernetes, AWS, MQTT, AWS Greengrass, Infrastructure as Code, CI/CD pipelines
1w
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Principal Firmware Engineer
Andover, Massachusetts, United States
$157k-$165k/yr OnsiteFull Time
5+ YOEMaster's degree in Computer Information Systems or foreign equivalent with 5 years of post-bachelor experience in real-time firmware for power systems; embedded C/C++, Python, Java; experience with MCUs and software tools.
C/C++, Python, Java, MATLAB, OrCAD, IAR, STM32, Linux, RTOS, Jira, Nessus, Nmap
4w
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Principal Software Engineer
Redmond or Mountain View or Austin or Houston or Chicago or Atlanta or New York or Cambridge
$140k-$275k/yr HybridFull Time
6+ YOEBachelor's degree in CS or related field with 6+ years of engineering experience in coding (C, C++, C#, Java, JavaScript, Python) or equivalent; advanced degree with more experience preferred.
C, C++, C#, Java, JavaScript, Python
2w
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Research Project Engineer II
Durham, New Hampshire, United States
$55k-$98k/yr OnsiteFull Time
2+ YOEBachelor’s degree with 2+ years of experience or equivalent combination; programming experience; strong communication skills; ability to develop and document software systems.
Python, Java, Django, Databases, JavaScript, Cloud Computing, Shell Scripting, CI/CD, GitHub Actions
1w
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Principal Software Engineer
Lowell, Massachusetts, United States
$174k-$287k/yr OnsiteFull Time
10+ YOE10+ years in software/data engineering; distributed systems; SQL; Python/Java/Scala; cloud-native data warehousing; data mesh; CI/CD; Kubernetes; data products for agentic AI.
SQL, Python, Java, Scala, Snowflake, Databricks, BigQuery, S3/MinIO, Kubernetes, Docker, GitLab, GitHub Actions, Jenkins, LangChain
1w
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Staff Software Engineer
Wakefield, Massachusetts, United States
$121k-$224k/yr OnsiteFull Time
Proven experience building production distributed systems; strong backend in Java; Spark data tooling; cloud experience (AWS/Azure/GCP); leadership in design reviews and standards.
Java, Apache Spark, Databricks, Kubernetes, Docker, Airflow, AWS, Azure, GCP, PostgreSQL, Scylla, Python
1w
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Senior Build & Release Engineer
Andover, Massachusetts, United States
$131k-$152k/yr OnsiteFull Time
5+ YOE5+ years in configuration management/engineering for web apps; CI/CD experience; OOP programming; scripting; distributed systems; multi-platform release; containerization; source control; bug-tracking.
TeamCity, Jenkins, GitHub, Perforce, Docker, PowerShell, Bash, Python, C#, Java
2mo
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Senior Analytics Engineer
Vancouver or Waltham
$102k-$161k/yr HybridFull Time
5+ YOE5+ years in data analytics/engineering; strong Python/SQL; experience with data pipelines and ETL; able to read code and collaborate with engineering/product teams; excellent communication and problem-solving skills.
Python, SQL, Java
HiringCafe market data
Java Python Developer Jobs market signals in Newmarket, NH, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
160+
Hiring companies
46
Fresh sample
58% new in 30d
Salary visibility
79% show pay
Companies appearing in this market
BAE SystemsHewlett Packard EnterpriseAppleCapital OneDraperGoogleMIT Lincoln LaboratoryRTX
Work location mix in visible results
Onsite: 53Hybrid: 32