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Sr Software Engineer Java Jobs in New Hampshire (NOW HIRING)

Fidelity Investments

Senior Software Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Senior Software Engineer The Role A well-rounded senior software engineering professional with a strong foundation in modern development practices, this individual demonstrates a deep understanding ...

Fidelity Investments

Senior Software Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Senior Software Engineer The Role A well-rounded senior software engineering professional with a strong foundation in modern development practices, this individual demonstrates a deep understanding ...

Position Imaging, Inc.

Sr. Software Engineer

Portsmouth, NH

$124K - $164K/yr

Develop software for multiple platforms and help deliver software products and systems (hardware ... Coursework or Thesis/Thesis project must include the programming languages C, C++, JavaScript, Java ...

Eliassen Group

Senior Software Engineer

Merrimack, NH · Remote

$70 - $78/hr

Our client seeks a senior software engineer with a UI focus to build scalable, high-quality ... Some Java/J2EE experience (Java 11+), with frameworks such as Spring Boot and Hibernate JPA.

Protolabs

Senior Software Engineer

Nashua, NH

$107K - $161K/yr

Join our team as a Senior Software Engineer Engineer! This is a fixed hybrid role on-site Tuesday, Wednesday, Thursday in Nashua NH We are seeking a highly skilled Senior .NET Software Engineer to ...

Protolabs

Senior Software Engineer

Nashua, NH

$123K - $163K/yr

Join our team as a Senior Software Engineer Engineer! This is a fixed hybrid role on-site Tuesday, Wednesday, Thursday in Nashua NH We are seeking a highly skilled Senior .NET Software Engineer to ...

Protolabs

Senior Software Engineer

Nashua, NH · On-site

$107K - $161K/yr

Join our team as a Senior Software Engineer Engineer! This is a fixed hybrid role on-site Tuesday, Wednesday, Thursday in Nashua NH We are seeking a highly skilled Senior .NET Software Engineer to ...

ATR International

Senior Cloud Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Position Description We are looking for a Senior Software Engineer to join our Market Data team ... Java, Python, Cassandra database and knowledge of cloud platform, although we're open to strong ...

ATR International

Senior Cloud Engineer

Merrimack, NH · On-site

$125K - $165K/yr

Position Description We are looking for a Senior Software Engineer to join our Market Data team ... Java, Python, Cassandra database and knowledge of cloud platform, although we're open to strong ...

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Sr Software Engineer Java information

What are the key skills and qualifications needed to thrive as a Sr Software Engineer Java, and why are they important?

To thrive as a Sr Software Engineer Java, you need advanced proficiency in Java programming, software design principles, and a bachelor’s degree (or higher) in computer science or a related field. Familiarity with tools such as Spring Framework, RESTful APIs, version control systems like Git, and cloud platforms is typically required, along with relevant certifications like Oracle Certified Professional Java Programmer. Excellent problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this position. These skills ensure the delivery of robust, scalable applications and foster efficient collaboration in complex development environments.

What does a Sr Software Engineer Java do?

A Sr Software Engineer Java is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and ensure that software solutions are robust, scalable, and secure. Their work involves collaborating with cross-functional teams, reviewing code, and implementing best practices to deliver high-quality products. Senior engineers also play a key role in architectural decisions and contribute to the overall technical direction of their team or organization.

What is the difference between Sr Software Engineer Java vs Software Developer Java?

AspectSr Software Engineer JavaSoftware Developer Java
Required CredentialsBachelor's degree, 5+ years experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, 1-3 years experience, often entry-level certifications
Work EnvironmentDesigning architecture, leading projects, mentoring teamsWriting code, debugging, implementing features
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software consultancies
Search & Comparison IntentHigher-level roles, leadership, complex projectsEntry to mid-level development tasks

In summary, Sr Software Engineer Java typically involves more experience, leadership, and architectural responsibilities, while Software Developer Java focuses on coding and feature implementation. Both roles are common in tech industries but differ in scope and seniority.

What are some common challenges Sr Software Engineers specializing in Java face when leading project teams?

Sr Software Engineers working with Java often encounter challenges such as balancing hands-on coding with mentorship responsibilities, managing technical debt in legacy systems, and aligning project goals with business requirements. They frequently need to facilitate effective communication between developers, QA engineers, and stakeholders to ensure project milestones are met. Additionally, staying updated with evolving Java frameworks and best practices while guiding less experienced team members is essential for maintaining code quality and team productivity.
What are popular job titles related to Sr Software Engineer Java jobs in New Hampshire? For Sr Software Engineer Java jobs in New Hampshire, the most frequently searched job titles are:
What job categories do people searching Sr Software Engineer Java jobs in New Hampshire look for? The top searched job categories for Sr Software Engineer Java jobs in New Hampshire are:
Sr Software Engineer Java jobs near you
Infographic showing various Sr Software Engineer Java job openings in New Hampshire as of June 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior Software Engineer/Developer

Fidelity Investments

Merrimack, NH

$125K - $165K/yr

Full-time

Posted 12 days ago

Key responsibilities

  • Develops original and creative technical solutions to ongoing development efforts.

  • Designs applications or subsystems on major projects and for multiple platforms.

  • Supports and performs all phases of testing leading to implementation.

Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 266 frontline employees who took The Breakroom Quiz

14th of 139 rated financial services

Job description

Job Description:Position Description:Monitors and architects sophisticated solutions on a platform dedicated to high scale processing of large amounts of data, using observability tools -- Datadog. Works in an Agile environment. Builds Continuous Integration and Continuous Development (CI/CD) pipelines to manage execution of test suites. Deploys and configures software applications within public Cloud environments (Amazon Web Services (AWS)), using Cloud Formation, EC2, ECS, EKS, Lambda, and Azure/GCP. Secures Cloud providers and platforms (AWS and Azure), using programming languages -- Java, Python, Groovy, Shell Scripting, and GO. Provides business solutions by developing complex or multiple software applications.Primary Responsibilities:
  • Develops original and creative technical solutions to on-going development efforts.
  • Designs applications or subsystems on major projects and for/in multiple platforms.
  • Develops applications for multiple projects supporting several divisional initiatives.
  • Supports and performs all phases of testing leading to implementation.
  • Assists in the planning and conducting of user acceptance testing.
  • Develops comprehensive documentation for multiple applications supporting several corporate initiatives.
  • Responsible for post-installation testing of any problems.
  • Establishes project plans for projects of moderate scope.
  • Works on complex assignments and often multiple phases of a project.
  • Performs independent and complex technical and functional analysis for multiple projects supporting several initiatives.
Education and Experience:Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Senior Software Engineer/Developer (or closely related occupation) developing enterprise level services and middle tier streaming applications, using Golang and Java in Microservice Architecture.Or, alternatively, Master's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and one (1) year of experience as a Senior Software Engineer/Developer (or closely related occupation) developing enterprise level services and middle tier streaming applications, using Golang and Java in Microservice Architecture.Skills and Knowledge:Candidate must also possess:
  • Demonstrated Expertise ("DE") designing and implementing highly available, multithreaded, distributed RESTful Web services using Java, GoLang, Python, and Spring Framework.
  • DE implementing enterprise applications using Apache Kafka for streaming messages, Redis for caching, ElasticSearch for robust information retrieval, NoSQL databases (including MongoDB), and relational database programming using PL/SQL and MySQL for persistence.
  • DE deploying and maintaining Web services using Docker, Kubernetes, Jenkins for Continuous Integration/Continuous Delivery (CI/CD), and AWS technologies -- Lambda, SNS, EC2, and S3.
  • DE optimizing performance and debugging distributed systems, using tools -- JProfiler, GoLang pprof, Grafana, and Prometheus.
#PE1M2#LI-DNICertifications:Category:Information Technology

Please 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. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.

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