UNKNOWN

FEED

This role requires hands-on experience with Java, Spring Boot, Angular or React, APIs, relational databases, automated testing, and production troubleshooting. We take a Mindful Modernization® approach in delivering our services, including application modernization, grants management, case management systems, government data analytics, and advisory services.

We deliver solutions that make a difference and empower people.

With a focus on next generation IT solutions, REI believes that Government can better serve the public through innovative technology solutions and emerging delivery methodologies. That’s why we specialize in application modernization using cloud- and platform-based solutions, grants management, and data analytics and visualization.

We won our very first contract with NASA in 1989, and we continue to serve every customer that we’ve worked with since. Our 500+ employee-owners pride themselves in delivering meaningful and sustainable results that consistently exceed our customers’ expectations.

REI Systems

Software Engineer- full stack Java

[AW]-iCims

OTHER

Minimum 10 years of professional experience in research, design and development of computer and network software or specialized utility programs with a Master's degree, or minimum of 14 years' experience with a Bachelor's degree. Entarian is seeking a Software Engineer to join our team as part of the Maintenance Figure of Merit (MFOM) system and software engineering support project which will support the United States Navy.

YEAR

Entarian

Software Engineer

VTG is seeking a Software Engineer-Expert for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. o Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute).

VTG.

We’re looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. Onsite : If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.

Booz Allen Hamilton

Back End Software Engineer

Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

Software Engineer, Senior

ea_via_bold

Concept Solutions, LLC is seeking a Senior Software Engineer- Go (Golang) Enhancement Lead to lead a small engineering team responsible for enhancing, modernizing, and sustaining mission-critical applications supporting a Department of War (DoW) customer. For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Concept Solutions

Senior Software Engineer - Go (Golang) Enhancement Lead

You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Sr. Software Engineer TS/SCI Poly

Responsible for designing, developing, and deploying secure, scalable applications that integrate agentic artificial intelligence, large language models (LLMs), knowledge graphs, and traditional enterprise software within Department of Defense (DoD) environments. Working directly with other engineers, architects, data scientists, analysts, and mission users, the Full Stack Developer will deliver agentic AI and knowledge graph features culminating in an enterprise-level analytics platform.

Redhorse Corporation

Full Stack Software Engineer

FULL_TIME

In this role, you will modernize and streamline critical talent and human capital systems—supporting strategic missions across workforce learning, training compliance, foreign language development and retention, job advertisements, selection, and performance management. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.

Software Engineer (ServiceNow)

lever_via_bold

Collaborate with the team to review and improve processes (development, test, governance, stakeholder interactions), Communicate project status, roadblocks, technical and process proposals to the team and stakeholders. Minimum education and experience are 8 years’ experience with Bachelor’s of Science; OR 6 years’ experience with Masters; OR 4 years’ experience with PhD.

DP Professionals

Cyber Software Engineer III

jobdiva

ADAPTED_NOW

CALIBRE Systems, inc., an employee-owned, mission focused solutions and digital transformation company is seeking a Full Stack Software Developer to develop, create, maintain, and write/code new (or modifies existing) computer applications, software, or specialized utility programs. Prefer an accredited Computer Science, Cyber Security, Information Technology, Software Engineering, Information Systems, or Computer Engineering degree; or a degree in a Mathematics or Engineering field.

CALIBRE Systems, Inc. (CALIBRE) is an employee-owned management consulting and digital transformation company supporting government and industry. CALIBRE is committed to the success of our clients, and delivers enduring solutions that solve management, technology, and program challenges. CALIBRE is a leading provider of solutions serving clients in the public and private sectors - Defense, Federal / Civil and Commercial corporations. Our employees - operating from our Alexandria, Virginia headquarters, five regional offices across the U.S. and in two foreign countries - are committed to delivering high quality solutions. 
CALIBRE and its subsidiaries are an Equal Opportunity Employer and supports transitioning service members, veterans and individuals with disabilities. We offer a competitive salary and full benefits package. To be considered, please apply via our website at <a href="https://urldefense.com/v3/__http:/www.calibresys.com/__;!!D1XWH5In!Qkx82SYK92oKjJ7-Frwd6F0l0fYP5PYZB0F9SIM2mYfqkXijbHOeiSxf36SM6DfGX2nbkigGxcvTEcNqxqMyCsgPBQ$">www.calibresys.com</a>. Come join our dynamic team. #CALIBRECareers

Calibre Systems

Software Developer Intermediate

in: Software Development Life Cycle; unit testing, integration testing, user acceptance testing; & work/w: React, Angular, ExtJS, Java, JavaScript, HTML5, CSS3, RESTful APIs, Bootstrap, SQL queries, & Agile/Scrum. Send resumes: HR, Allwyn Corporation, 459 Herndon Parkway, Ste 13, Herndon, VA 20170.

Allwyn Corp

Software Developer

Bachelor’s degree in Computer Science, Mathematics, Engineering, or a related field and 4 years of experience ; OR a Master’s degree in Computer Science, Mathematics, Engineering, or a related field and 2 years of experience . The Software Engineer will support the development of high-performance software, improve existing code for speed and efficiency, and assist with test bench and testing activities.

Amentum

Journeyman Software Developer – Travel

The Weekly Security Meeting (WSM) team is comprised of engineers and program managers that drive the WSM program, a forum where AWS" CEO-level leadership team, including its CISO, deeply understand the most important timely security issues affecting customers and use that understanding to continually improve AWS" security achievement. As a software developer on this team, you"ll develop automation tools that reduce the effort required from security and service teams, build integrations across multiple AWS Security organizations, and create mechanisms that enable escalation of emergent security threats.

At Amazon, we don’t wait for the next big idea to present itself. We envision the shape of impossible things and then we boldly make them reality. So far, this mindset has helped us achieve some incredible things. Let’s build new systems, challenge the status quo, and design the world we want to live in. We believe the work you do here will be the best work of your life. 
Wherever you are in your career exploration, Amazon likely has an opportunity for you. Our research scientists and engineers shape the future of natural language understanding with Alexa. Fulfillment center associates around the globe send customer orders from our warehouses to doorsteps. Product managers set feature requirements, strategy, and marketing messages for brand new customer experiences. And as we grow, we’ll add jobs that haven’t been invented yet. 
It’s Always Day 1 
At Amazon, it’s always “Day 1.” Now, what does this mean and why does it matter? It means that our approach remains the same as it was on Amazon’s very first day – to make smart, fast decisions, stay nimble, invent, and stay focused on delighting our customers. In our 2016 shareholder letter, Amazon CEO Jeff Bezos shared his thoughts on how to keep up a Day 1 company mindset. “Staying in Day 1 requires you to experiment patiently, accept failures, plant seeds, protect saplings, and double down when you see customer delight,” he wrote. “A customer-obsessed culture best creates the conditions where all of that can happen.” You can read the full letter <a href="https://hiring.amazon.com/why-amazon/culture#/">here</a> 
Our Leadership Principles 
Our Leadership Principles help us keep a Day 1 mentality. They aren’t just a pretty inspirational wall hanging. Amazonians use them, every day, whether they’re discussing ideas for new projects, deciding on the best solution for a customer’s problem, or interviewing candidates. To read through our Leadership Principles from Customer Obsession to Bias for Action, visit <a href="https://www.amazon.jobs/principles" target="_blank">https://www.amazon.jobs/principles</a>

Amazon.com Inc

Software Development Engineer II, AWS Security

Collaborate with cross-functional teams including frontend developers, product managers, and QA engineers to deliver high-quality software solutions. As a Java Backend Developer, you will be responsible for designing, developing, and deploying server-side logic, ensuring high performance and responsiveness to requests from the frontend.

TechDigital

Java Backend Developer (NodeJS)

The ideal candidate thrives in aggressive, high-velocity delivery environments, possesses a proven track record of migrating legacy enterprise systems, values proactive team leadership, and actively leverages modern AI-assisted engineering tools to accelerate software development lifecycles without sacrificing code quality. In this senior-level role, you will champion legacy modernization initiatives, systematically breaking down monolithic architectures, legacy databases, and older web frameworks into high-transaction web interfaces and scalable, modern backend solutions across dynamic hybrid infrastructure setups (On-Premises OpenShift & AWS Cloud).

Anika Systems

Senior Full Stack Developer

partner JazzHR

The ideal candidate is a well-rounded engineer with experience across both front-end and back-end development , capable of working in Agile environments and contributing to modern application architectures. This role will focus on building scalable, secure, and high-performing systems that support critical operational needs across government and Intelligence Community (IC) programs.

KDA Consulting Inc

Claude & MCP Ecosystem Integration: Set up, configure, and manage Model Context Protocol (MCP) servers to deeply connect Anthropic Claude and Claude Code directly to Salesforce headless APIs and schemas (e.g., Salesforce DX MCP, Custom MCP Servers).Utilize Claudeforce concepts and Headless 360 frameworks to unlock Salesforce workflows, data relationships, and rules directly through external LLM clients without requiring traditional UI clicks. Technical Proficiency: Lightning Web Components (LWC), Apex Classes & Triggers, Visualforce, SOQL/SOSL, Salesforce Service Cloud, Salesforce Flow, Platform Events, REST/SOAP APIs, JavaScript, HTML, CSS, Git (Branching, Merging, Pull Requests), Deployment & Release Management, CI/CD concepts, Jira (or similar tools), DocuSign Integration, VS Code & Salesforce CLI.Compliance: Must be eligible to obtain and maintain a Public Trust clearance.

Halvik

Sr. Salesforce Developer

Talent Acquisition

Experience in one or more of the following: X0Midas, C, C++, FORTRAN, Java, MongoDB, Oracle, Red Hat Linux, Apache, Python, HTML, Dynamic HTML, JavaScript, MySQL, Perl, Extensible Markup Language, Hadoop, Java Message Service, Rails, Esper. Actual compensation will be determined based on several factors, including, but not limited to, the scope of the position, relevant experience, education, certifications, internal equity, customer contractual requirements, security clearance requirements, and other legitimate business considerations.

Altamira Technologies

Junior Algorithm Developer

Experience building AI-driven features using Gemini or similar LLMs, including prompt engineering, managing frontend API state, and optimizing production applications for streaming responses and latency. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Software Developer Jobs in Massachusetts

Software Engineer- full stack Java REI Systems

Software Engineer Entarian

Software Engineer VTG.

Back End Software Engineer Booz Allen Hamilton

Software Engineer, Senior Booz Allen Hamilton

Senior Software Engineer - Go (Golang) Enhancement Lead Concept Solutions

Sr. Software Engineer TS/SCI Poly Leidos

Full Stack Software Engineer Redhorse Corporation

Software Engineer (ServiceNow) Redhorse Corporation

Cyber Software Engineer III DP Professionals

Software Developer Intermediate Calibre Systems

Software Developer Allwyn Corp

Journeyman Software Developer – Travel Amentum

Software Development Engineer II, AWS Security Amazon.com Inc

Java Backend Developer (NodeJS) TechDigital

Senior Full Stack Developer Anika Systems

Senior Full Stack Developer KDA Consulting Inc

Sr. Salesforce Developer Halvik

Junior Algorithm Developer Altamira Technologies

Full Stack Software Engineer, Lead Booz Allen Hamilton

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