Lead Software Engineer Java React jobs in Merrimac

A leading reinsurance company in Merrimack, NH, seeks a Senior Software Engineer/Developer to create distributed applications using Java and various tools. Responsibilities include developing RESTful APIs, conducting user acceptance testing, and ensuring high availability and disaster recovery in co

DEKA Research & Development

DEKA Research & Development is seeking a Lead Embedded Software Engineer to join our team working on cutting-edge medical devices. This role is a hands-on technical leadership position. You will lead through technical expertise, system ownership, and influence across teams while remaining deeply inv

Top Skills: Validation Lead, Lifesciences Experience 5+, GxP, Testing in Embedded software What will you do? The successful candidate will help in driving the quality of our products in order to provide an excellent customer experience! The key responsibilities include testing end to end quality of

DEKA Research & Development

DEKA Research & Development is seeking a Lead Embedded Software Engineer to join our team working on cutting-edge medical devices. This role is a hands-on technical leadership position. You will lead through technical expertise, system ownership, and influence across teams while remaining deeply inv

Principal Software Engineer (Java, REST, Azure) page is loaded## Principal Software Engineer (Java, REST, Azure)locations: Merrimack, NHtime type: Full timeposted on: Posted 8 Days Agojob requisition id: 2121030## ## Job Description:Fidelity Investments Workplace Investing (WI) organization is seeki

A leading defense contractor located in Connecticut is looking for an experienced Java Software Engineer to tackle challenges in cybersecurity. You will analyze requirements, design software, debug systems, and oversee teams in a fast-paced environment. The ideal candidate needs a bachelor's degree

A leading reinsurance company in Merrimack, New Hampshire is seeking an experienced Principal Software Engineer to develop complex software applications using Agile methodologies. The ideal candidate will possess expertise in Java, Spring Boot, and cloud computing, particularly with AWS. Responsibil

Description: Hybrid two weeks onsite a month in either Merrimack, NH or Westlake, TX The organization seeks a Software Engineer for modernization, The role focuses on designing, upgrading, and testing multi-platform applications with emphasis on Java, Spring Boot, Angular, and database development.

Fidelity TalentSource is your destination for discovering your next temporary role at Fidelity Investments. We are currently sourcing for a Senior Software Engineer to work in Merrimack, NH or Smithfield, RI ! The Role We are looking for a Senior Software Engineer to join our team in Fidelity Instit

Overview DEKA Research & Development is seeking a Lead Embedded Software Engineer to join our team working on cutting-edge medical devices. This role is a hands-on technical leadership position. You will lead through technical expertise, system ownership, and influence across teams while remaining d

DEKA Research & Development is seeking a Lead Embedded Software Engineer to join our team working on cutting-edge medical devices. This role is a hands-on technical leadership position. You will lead through technical expertise, system ownership, and influence across teams while remaining deeply inv

Celestica

Req ID: 129024 Region: Americas Country: USA State/Province: Texas City: Richardson Summary Celestica is looking for talented and passionate Lead Embedded Software Engineers for the Hardware Platform Services team. This team is responsible for designing and developing Cloud Hardware infrastructure t

Lead Java Back-End Engineer Category: Software Development/ Engineering Main location: United States, Texas, Dallas Alternate Location(s): United States, Massachusetts, Boston United States, New Hampshire, Merrimack Position ID: J1225-1459 Employment Type: Full Time U.S.- CGI Partner story: Balance

Job Description: Fidelity Investments Workplace Investing (WI) organization is seeking an experienced engineer who will play a key role in building new capabilities in the cloud. You will leverage modern agile development practices and architecture patterns. You will be working closely with diverse

Jacobs

A leading engineering firm seeks a high-performing intern in software development to join their innovative team. Located in Nashua, NH, this position involves writing code, performing technical tasks, and supporting resolution of technical issues. Candidates must be pursuing a degree in Computer Sci

A global technology company in Massachusetts is seeking a Software Engineer to design and develop software programs focused on subscriber services. The ideal candidate will have 6-10 years of experience, a degree in Computer Science, and proficiency in programming languages like Python, C, and C++.

Kforce

Responsibilities Kforce has a client that is seeking a Java Software Engineer in Merrimack, NH.Duties: Assist in coordinating multiple development work streams through integration and ensure architecture is scalable and extensible Define, maintain, and support Java development environment and best p

## ## Job Description:**SENIOR SOFTWARE ENGINEER****The Role**Seeking a Mainframe Developer with superb technical skills to develop and maintain high volume production platforms in the Electronic Channel Applications domain of Institutional Technology.Our mission is to provide best in class trading

Eliassen Group

Senior Software Engineer (Java, AWS, Angular, Reporting tools) Merrimack, NH Type: Contract Category: Development Industry: Financial Services Reference ID: JN -032026-105876 Date Posted: 03/09/2026 Shortcut: http://careers.eliassen.com/51stq3 Description Recommended Jobs Description: Hybrid two wee

A leading tech company in Manchester, NH is seeking a Lead Embedded Software Engineer, focusing on cutting-edge medical devices. This on-site position requires technical leadership, with responsibilities including software design, mentorship of junior engineers, and cross-functional collaboration. C