Full Stack Developer
JSR Tech Consulting
Full Stack / Backend Developer (Backend-Focused) Location: Newark, NJ area Employment Type: Contract-to-Hire (W2) Requirements: Experience with Python, Java, and JavaScript; working in distributed systems, object-oriented programming, design patterns, and design methodology Experience with Java services using Spring CLI, Maven, Microservices, multi-threading, concurrency, and parallel processing Frameworks: Spring Boot, Node.js (Full/MEAN/MERN stack) Data Store: Non-relational and relational data structures; MongoDB; BPM tools Data Streaming: SQS, Kinesis Ability to work effectively in cross-functional teams and with business partners to develop high-quality applications Hands-on experience with AWS cloud services and cloud-native application development Recent experience building enterprise GenAI solutions, including AI agents, chatbots, or RAG applications Experience with AWS Bedrock or other enterprise LLM platforms 5+ years of relevant experience with Java-related technologies on Unix or Linux 5+ years of relevant experience with backend technologies including JBoss, Spring Boot, REST 3+ years of relevant experience with client-side technologies including React, JavaScript, JSON, REST Knowledge/Understanding of: Application Programming Interfaces (APIs): consumption and development; implementing service-oriented architecture (SOA) patterns; web service technologies such as APIs, REST, JSON, JDBC Experience with AWS AgentCore Unit, interface, and end-user testing concepts and tooling (functional and non-functional) Automated testing, agile development methodologies, and Test-Driven Development (TDD) Accessibility awareness Software security skills including secure coding, web application security, and DevSecOps; solid grasp of security concepts (authentication, authorization, encryption, digital signature, JWT, SSL, web service proxies, firewall, SAML 2.0, OpenID Connect, OAuth 2.0) DevOps tools and practices: branching techniques and usage of GitHub, Bitbucket, or Subversion; DevOps, Jenkins Software Development Life Cycle (SDLC): monitoring and logging techniques AWS core services such as CloudWatch and CodeDeploy JSR Tech Consulting
- JOB TITLE: FULL STACK DEVELOPER JOB LOCATION: ANDOVER, MA / TUCSON, AZ (HYBRID) WAGE RANGE*: 72.00-75.00 PER HOUR JOB NUMBER: RTXCJP00001844 JOB DESCRIPTION The ideal candidate will design, develop, and maintain scalable web applications that integrate secure backend services...SuggestedHourly payTemporary workLocal areaFlexible hours
$49 - $53 per hour
...Title: Remote Full Stack Engineer Location: Remote ( needs to be able to work in EST) Duration: 24 month Contract Start date... ...on experience) Must haves: ~3–5+ years as a full stack developer ~ Proficiency with Apex and/ or Java ~ Proficiency in Apex...SuggestedContract workImmediate startRemote work$107.4k - $125.7k
...websites.What You Will Be Working OnOur stack includes a headless Craft CMS (PHP/PostgreSQL... ...Platform. While you will work on the full stack, your primary focus will be on building... ...high-level proficiency in browser developer tools, accessibility best practices around...SuggestedFull timeRemote workNight shift- ...Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and... ...national security. Rincon Research Corporation seeks a Full Stack Developer to create cutting edge software and cloud computing...Suggested
$90k - $105k
Why Join Rincon Research Corporation (RRC)?At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national...SuggestedTemporary workFlexible hours$107.9k - $195.05k
...CandidateWe're looking for someone who is more than a front-end developer. You are passionate about how technology feels and functions... ...other law.SummaryLocation: Gaithersburg, MD; Alexandria, VA; St. Louis, MO; Chantilly, VA; Tucson, AZ; Englewood, COType: Full timeFull timeContract work- ...Generative AI / Backend Developer Remote (US-Based) Are you passionate about building AI-powered products and shaping the future of cybersecurity? Our client, a cutting-edge startup focused on AI-driven application security, is looking for a Generative AI...Remote workFlexible hours
$60 - $82 per hour
DescriptionWe are seeking an experienced ArcGIS Web Developer to support the configuration, administration, integration, and development... ...North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application...Contract workTemporary workRemote work- UI Engineer (Contract) Remote (Open to NY, West Coast, and Pittsburgh, PA) This role pays around $55/hr on W2 About the Role We are seeking a highly experienced, senior-level UI Engineer for a dynamic contract engagement. In this role, you will split your time between critical...Contract workRemote work
- ...with product and design teams (ex-Google/FB/Apple/Microsoft) to develop, test, and launch new features and improvements for our... ...engineering experience Have built mobile apps (and/or web apps) full-stack before Enthusiastic about photo sharing and/or AI and/or social...Full time
$87.1k - $157.45k
...reporting. You’ll help build and maintain core backend services, develop RESTful APIs, support data‑driven functionality, and contribute... ...agreement (if any), or other law.SummaryLocation: Gaithersburg, MD; Alexandria, VA; St. Louis, MO; Chantilly, VA; Tucson, AZType: Full timeFull time- Why Join Rincon Research Corporation (RRC)?At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national...Temporary workWork at officeRemote workFlexible hours
- ...excellent reputation with the clients. Currently, we are looking for entry-level software programmers, IT enthusiasts, Python/Java developers, data analysts/data scientists. We welcome candidates with all visas and citizens to apply.Who should apply: Recent computer...
- ...Software Engineers, Computer Scientists and Computer Engineers to develop firmware, hypervisors, operating systems, systems management and... ...range and benefits for this position are based on a full-time schedule for a full calendar year. The salary will vary depending...Full timeContract workPart timeFixed term contractInternshipShift work
- ...responsibilities IBM is seeking a talented and enthusiastic Back End Developer Intern to join the IBM Z team in Tucson. This is an excellent... ...range and benefits for this position are based on a full-time schedule for a full calendar year. The salary will vary depending...Full timeContract workPart timeFixed term contractInternshipShift work
- ...Client, visa, walmart lab s etc to name a few. We are continuously looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/ Data Scientists, Data Engineers, Machine Learning engineers for full time positions...Full time
$87.1k - $157.45k
...makes a real-world impact? Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical...Full timeContract work- ...Associates is seeking a mid-level level Java Developer to help support a Program with the US... ...reliable, and maintainable solutions across the full software lifecycle. You will work with... ...named in this JD or a closely related stack. Experience with APIs or integrations,...Permanent employmentH1bRemote work
$120k
...This Role Matters: We are seeking a skilled and experienced Full Stack Engineer to join our team with a strong focus on AWS cloud-... ...development and deployments. You will play a crucial role in designing, developing, and maintaining scalable web applications deployed on AWS...- ...optimize, and document multiple Elastic Stack Enterprise solutions (Elasticsearch, Logstash... ...plus Demonstrated experience with the full Elastic Stack – Elasticsearch, Logstash,... ...hosting environments Experience with developing in multiple languages (Python, Bash,...Flexible hours
- ...applications. This leader will inspire and develop highly performing engineering teams,... ...engineering practices to modernize the technology stack. Drive standardized and promote... ...). Build capabilities across full-stack development, APIs, and enterprise integrations...For contractorsWork at office
$107.9k - $195.05k
...infrastructure, data, network, security, and mission-system components.• Develop and maintain system integration strategies, plans, procedures,... ...other law.SummaryLocation: Tucson, AZ; Alexandria, VA; St. Louis, MO; Gaithersburg, MD; Chantilly, VA; Englewood, COType: Full timeFull timeContract work$130k - $160k
Why Join Rincon Research Corporation (RRC)?At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national...Temporary workWork at officeFlexible hours$98.3k - $149.5k
...Engineering and Stability team based in our Tucson, AZ office on a full-time basis. The following locations will also be considered:... ...Mining Engineering and Stability Team. Candidate will lead in developing and supporting the multi-disciplinary mine stability team through...Full timeFor subcontractorWork at officeLocal areaWorldwideFlexible hours- ...software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment...
$87.1k - $157.45k
...an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial... ...other law.SummaryLocation: Gaithersburg, MD; Alexandria, VA; St. Louis, MO; Chantilly, VA; Tucson, AZ; Englewood, COType: Full timeFull timeContract work- ...software as a part of on-site factory support of systems to support weapon system product development. The selected candidate will develop applications, libraries, and instrument drivers using the software style, development language, and integrated development environment...
- Job Description Job Description Position Summary The Swiss Lathe Setup Programmer is responsible for programming, setting up, troubleshooting, and optimizing Swiss-style CNC lathes to produce precision machined components that meet quality, productivity, and safety...Flexible hours
$86.8k - $165.2k
...Engineer to join our Tucson, AZ location. SETC is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers. Join our organization and experience the...Temporary workWork experience placementCurrently hiringWork at officeRemote workRelocation packageFlexible hours- ...math principles, predictive models, spreadsheets, and tools.Well-developed critical thinking and problem-solving skills required to apply... ...compensation will be owed or paid to the recruiter, employment agency, or other staffing service. Full timePosting Date: 2026-08-05For subcontractorWork at officeLocal areaFlexible hours
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