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Java Developer for Ariba Buyer Customization

usm2

Full-time|On-site|Washington

Join our innovative team as a Java Developer where you will play a key role in configuring and customizing the Ariba Buyer 9 platform. Your expertise in Java programming and your ability to adapt and tailor solutions will help us deliver exceptional results for our clients.

Apr 27, 2016

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Senior Full-Stack Engineer - App Journey

Chime

Full-time|On-site|San Francisco, CA, USA

Join Chime as a Senior Full-Stack Engineer in our App Journey team, where you'll play a pivotal role in designing and developing cutting-edge applications that enhance user experience. You will be responsible for both front-end and back-end development, creating seamless interactions that empower our users. If you are passionate about technology and innovation, and want to make a significant impact in the fintech industry, we want to hear from you!

Apr 8, 2026

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Founding Full Stack Engineer in FinTech & EdTech

EQL Tech

Full-time|$125K/yr - $175K/yr|On-site|Phoenix, Arizona, United States

Join Our Innovative Team!EQL Tech is on the lookout for a pioneering Full Stack Engineer to take a foundational role in our venture-backed startup, which is revolutionizing the financial framework for education. Our mission is to create the infrastructure that enables families to access state education funds (ESAs), tapping into a massive $900 billion US Public Education budget. With $16 million raised from premier venture capitalists, our team includes top-tier engineers and specialists from renowned companies such as Stripe, SpaceX, and Goldman Sachs.Your RoleAs the Full Stack Lead, you will be responsible for the complete development of parent-facing mobile and web experiences from concept to launch.Ownership: Spearhead the reimbursements product across mobile (receipt capture, claims) and web (statement generation).System Design: Create an intuitive experience that fosters clarity and trust, ensuring families never feel uncertain about their eligibility or fund status.Integration: Seamlessly connect the user interface with backend operations to build a reliable payment system with transparent audit trails.Data-Driven Growth: Analyze user behavior to identify improvement areas and enhance product features.Standards Setting: Define the architecture, maintain code quality, and establish release processes for the application layer.

Mar 9, 2026

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Full-Stack Intern at Composio | San Francisco

Composio

Internship|On-site|sf

Composio develops communication infrastructure that helps agents connect with essential tools such as GitHub, Gmail, Notion, and Salesforce. The engineering team addresses challenges related to context and search, aiming to make these integrations more accessible and useful for agents. The company recently closed a $25 million Series A led by Lightspeed, with additional backing from Guillermo Rauch (CEO of Vercel) and Dharmesh Shah (CTO of HubSpot). Composio has tripled its annual recurring revenue this year, serving clients that range from Y Combinator alumni to established businesses like Wabi, Glean, and Zoom. Role overview This full-stack internship is based in San Francisco. Interns contribute to both developer and consumer web interfaces, supporting the Composio platform and its users. What you will do Enhance the user experience for teams using Composio by working on both the Composio Platform and Composio For You web interfaces. Design and implement clean, effective interfaces for frontend and SDK projects. Collaborate directly with customers to build relationships and gather feedback for product improvements. Write clear documentation to support both users and developers.

Apr 23, 2026

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Full-Stack Engineer at CapTech Consulting | Philadelphia

CapTech Consulting

Full-time|On-site|Philadelphia

About the Role CapTech Consulting is hiring a Full-Stack Engineer in Philadelphia. This role focuses on designing and building applications that address real client challenges. Collaboration with colleagues from different specialties is central to the work. What You Will Do Design and implement software solutions across the stack Work closely with team members from various disciplines Contribute to products that support client goals Location This position is based in Philadelphia.

Apr 14, 2026

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Full-Stack Engineer at CapTech Consulting | Reston

CapTech Consulting

Full-time|On-site|Reston

About the Role CapTech Consulting is looking for a Full-Stack Engineer in Reston. This role focuses on building and maintaining web applications that solve real business problems. The team values practical problem-solving and technical skill. Who Succeeds Here The right candidate enjoys working across the stack and brings hands-on experience with web technologies. Curiosity, attention to detail, and a drive to deliver reliable solutions are important in this role.

Apr 14, 2026

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Full Stack Software Engineer - Integrity Foundations

OpenAI

Full-time|On-site|San Francisco

About the Applied Foundations Team The Applied Foundations group at OpenAI focuses on protecting our technology from adversarial threats as our platforms grow. This team builds the core infrastructure that helps prevent financial abuse, large-scale attacks, and other forms of misuse that could impact user experience or disrupt operations. Role Overview OpenAI aims to advance AI in a way that is safe, reliable, and aligned with society’s values. As a Full Stack Software Engineer on the Integrity Foundations team in San Francisco, you will help maintain the trustworthiness of our platforms. Your work will involve building defenses against adversarial behaviors and ensuring our ecosystem remains secure. This role collaborates closely with engineering and cross-functional partners to design and implement systems that detect and prevent abuse, enhance user safety, and reduce risks. You will help lead efforts to ensure AI is used responsibly and sustainably. What You Will Do Design APIs for internal workflows that interact with all layers of the stack, supporting informed data model decisions. Build and integrate tools that enable internal teams to investigate safety, abuse, and risk issues, with a focus on strong access controls, auditability, and operational rigor. Work with teams across the company to develop solutions that guard against adversarial attacks while maintaining a positive user experience. Help respond to live incidents on the platform and create new infrastructure to address underlying problems. What We Look For Interest in building high-quality internal tools and a genuine concern for end-users. At least 3 years of professional software engineering experience. Ability to collaborate effectively, including with partners outside engineering. Humility, sound judgment, and a drive for continuous improvement.

Apr 14, 2026

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Full Stack Software Engineer - Program Systems

Saronic Technologies

Full-time|On-site|Austin, TX

At Saronic Technologies, we are at the forefront of transforming maritime autonomy, committed to crafting innovative solutions that optimize operations on the water through intelligent, autonomous platforms.Position OverviewWe are looking for a skilled Full Stack Software Engineer to join our Program Systems team, a vital part of our Programs organization. In this role, you will be tasked with the design, development, and maintenance of essential internal applications that enhance operational visibility, support decision-making, and streamline execution across our expanding range of Autonomous Surface Vessel (ASV) initiatives.Your work will blend software engineering and program operations, creating tools that unify real-time production data, governance, demand forecasting, and customer interactions into a seamless digital experience. Our applications are built on the Palantir Foundry platform and utilize cutting-edge web technologies, allowing our team to leverage AI-assisted workflows to deliver rapid, impactful solutions.This position offers significant ownership; you will guide features from initial concept to full production, collaborating closely with program managers, engineers, production leaders, and executives, witnessing your contributions play a crucial role in supporting national security missions.

Apr 6, 2026

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Full Stack Engineer at Raft | Chantilly, VA

Raft

Full-time|$140K/yr - $160K/yr|On-site|Chantilly, VA

This Full Stack Engineer position at Raft is based in Chantilly, VA. All candidates must be U.S. citizens, and all work must take place within the continental United States to meet program requirements. Raft builds AI/ML and data-driven solutions for U.S. military and government clients. The company focuses on autonomous data fusion, Agentic AI, distributed systems, and scalable digital platforms. Teams work with public sector partners to deliver applications that serve millions, using a modern cloud-native technology stack. Role overview This role supports Raft’s customer-facing teams by developing and maintaining scalable applications that form the backbone of Raft’s core products. The position involves working on impactful projects that address complex challenges for government and public sector clients. What you will do Design, build, and maintain full stack applications using Java or Golang for backend development and ReactJS for frontend interfaces Focus on security, performance, and reliability for mission-critical software Collaborate with cross-functional teams and contribute to technical decisions Work directly with customers at deployment sites, gathering feedback and making improvements based on real-world use

Apr 22, 2026

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Full Stack Software Engineer - Fleet Connect

Apptronik

Full-time|On-site|Austin, TX

Apptronik develops AI-powered humanoid robots aimed at improving daily life. Apollo, the company’s main robot, currently supports manufacturing and logistics, with plans to expand into healthcare and home use as the technology advances. The team addresses challenges in embodied AI, safety, and scaling up deployments to prepare Apollo for broader adoption. Role overview The Interface team in Fleet Connect seeks a Full Stack Software Engineer in Austin, TX. This position centers on designing and building software and backend services that make real-time monitoring, control, and coordination of Apollo robots possible across customer locations. Collaboration and focus Work will involve close coordination with senior engineers, UI/UX designers, and other groups. The emphasis is on delivering reliable, user-centered software that equips customers with clear, effective tools for operating robotic systems in demanding production settings.

Apr 22, 2026

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Full-Stack Engineer at maxcare | San Francisco

maxcare

Full-time|On-site|San Francisco, California, United States

Max AI – The Future of Healthcare BillingMax AI proudly introduces the world's first fully-autonomous medical billing AI agent, eliminating the need for human intervention. With the healthcare billing market valued at a staggering $350 billion annually, our innovative solutions are poised to revolutionize the industry.Join Our Expert TeamWhile many startups grapple with this challenge, our talented team has already made significant strides in medical billing, beginning with dermatology and rapidly expanding to other specialties. Led by a medical expert who has built applications with over 50 million downloads while managing a successful practice, our Head of AI brings over a decade of MIT and Caltech research experience, and our Head of Engineering is a former Figma pioneer.Role Overview: Full-Stack EngineerKey Responsibilities Oversee the entire product development cycle, from initial concept to final deployment. Design and implement scalable and robust solutions to enhance revenue cycle management. Collaborate closely with a dedicated team and engage with customers to drive meaningful product improvements. Technical Expertise Required Languages & Frameworks: Proficient in TypeScript, NestJS, Python, Django. Client Technologies: Experience with Next.js, React, Shadcn, Jotai. Database Systems: Knowledge of Postgres, Redis, Clickhouse. Infrastructure: Familiarity with Kubernetes, AWS, Pulumi, ArgoCD, Kafka. APIs: Competence in tRPC, REST. Environment: Integrated full-stack development experience. Work Approach Take comprehensive ownership of processes, addressing challenges holistically. Embrace an agile, iterative methodology with clear accountability. Maintain ongoing engagement with customers to ensure product alignment with their needs. Core Values Proactive problem-solving and continuous improvement. Commitment to lifelong learning and professional growth. Collaborative and positive team dynamics. Simplicity in design and execution. QualificationsRequired:6+ years of experience in full-stack development.Expertise in front-end frameworks such as React or equivalent.Strong back-end capabilities with a solid understanding of database management.Demonstrated success in building and deploying production-grade software at scale.Preferred:Experience within high-growth startup environments.Familiarity with AI/ML projects or regulated industries.

Aug 14, 2025

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Full Stack Software Engineer (Build Reliability)

SpaceX

Full-time|$120K/yr - $170K/yr|On-site|Hawthorne, CA

Join SpaceX as a Full Stack Software Engineer focused on build reliability. You will design, develop, and enhance software solutions that ensure our spacecraft and rockets are built and flown with the highest reliability. Your role will involve streamlining quality control processes, simplifying new product introductions, ensuring product traceability, and optimizing the reusability of our vehicles. Collaborate with talented engineers to understand mission requirements and create robust software that turns ambitious goals into reality. You will manage the full software lifecycle, from development through testing to ongoing support, while embodying a proactive and problem-solving mindset. Aerospace experience is not required; we value smart, motivated engineers eager to tackle challenges and contribute to a groundbreaking mission.

Feb 6, 2026

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Senior Full-stack Engineer at Speak | San Francisco

Speak

Full-time|On-site|San Francisco

About UsOur mission is to revolutionize the way individuals learn languages.Mastering a language can transform lives by opening doors to diverse cultures, professions, and communities. With two billion people worldwide striving to learn a new language, access to effective one-on-one tutoring remains a challenge and has seen little innovation over the decades. Speak is creating an AI-enhanced tutor that fits in your pocket, delivering a conversation-first approach that enables learners to practice speaking, receive instant feedback, and progress through thoughtfully crafted lessons. Our platform provides a comprehensive journey from novice to confident speaker in multiple languages.Launched in South Korea in 2019, Speak has emerged as the leading language learning app in the region, now catering to learners in various markets across over 15 languages. As one of the foremost AI companies globally, we have successfully secured over $150 million in venture capital from notable investors including OpenAI, Accel, Founders Fund, and Khosla Ventures. Our team operates remotely across San Francisco, Seoul, Tokyo, Taipei, and Ljubljana.About This RoleWe are in search of a passionate Senior Full-stack Engineer who thrives in a versatile development environment. While your initial projects will primarily focus on frontend development, we anticipate a seamless transition into backend tasks, contributing to the creation of innovative AI-driven product experiences.The ideal candidate will possess experience collaborating closely with product management, design, and machine learning teams, along with a proven track record in developing refined consumer applications. This position is pivotal in shaping our latest products centered on programmatic, conversation-driven language learning, making you a key player in the future trajectory of our company.Your ResponsibilitiesDesigning groundbreaking AI-powered product experiences and user interfaces for the webManaging the complete development lifecycle of features, from initial concept through to productionRapidly writing code, deploying frequently, and significantly impacting our business by aiding in content scalabilityYour Qualifications4+ years of experience in creating highly polished web-based product experiences, with extensive proficiency in ReactAbility to balance quality execution with agile, scrappy development when necessaryA passion for quickly delivering results and contributing to the growth of the company

Apr 22, 2024

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Java Application Developer Opportunity at Procom Services | Plano, TX

Procom Services

Contract|On-site|Plano

Join Our Team as a Java Application Developer!Procom Services is excited to announce an opening for a Java Application Developer in Plano, TX, on behalf of our esteemed client.Key Responsibilities:Develop and enhance both backend and frontend web applications to improve monitoring functionalities.Create user-friendly web interfaces that prioritize user experience.Maintain and enhance significant subsystems within the monitoring application, including requirement definition, prototyping, design analysis, coding, testing, and deployment.

Jun 23, 2016

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FileNet P8 Java Developer Opportunity in Richmond, VA

stemxpert1

Full-time|On-site|Richmond

Join our dynamic team as a FileNet P8 Java Developer in Richmond, VA. This role focuses on developing and implementing solutions using FileNet P8 and Java technologies. You will be responsible for designing, coding, testing, and maintaining applications to ensure optimal performance and reliability.

Oct 22, 2013

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Application Developer

Merge API Integration Sandbox

Full-time|On-site|Newyork

Join our dynamic team as an Application Developer, where your expertise will contribute to the design, development, testing, and maintenance of high-quality software applications. We are looking for a talented individual who enjoys working in an agile environment and has a passion for coding.Key ResponsibilitiesDevelop, test, and deploy applications that align with business requirements.Collaborate closely with cross-functional teams, including product managers, designers, and QA engineers.Create clean, scalable, and maintainable code adhering to industry best practices.Troubleshoot, debug, and enhance existing applications.Engage in code reviews and promote continuous improvement within the team.Integrate third-party APIs and services as needed.Maintain comprehensive technical documentation for architecture, design, and processes.Ensure the security, performance, and reliability of applications.Keep abreast of emerging technologies and industry trends.

Jan 26, 2026

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Business Development Representative - Remote Opportunity with SafeLease

SafeLease

Full-time|Remote|Remote

Join SafeLease as a Business Development Representative and play a vital role in expanding our market presence. This remote position is ideal for driven individuals looking to make an impact in the business development sector. You will be responsible for identifying new business opportunities, building relationships with potential clients, and promoting our innovative solutions.

Mar 13, 2026

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Java Developer with Kafka Expertise

Sonsoft Inc.

Full-time|On-site|Phoenix

Join our innovative team at Sonsoft Inc. as a Java Developer specializing in Kafka. We are looking for a skilled individual who is passionate about software development and eager to work on exciting projects that leverage cutting-edge technology. You will be responsible for designing, developing, and maintaining robust applications.

May 17, 2017

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Java Developer with AngularJS Expertise

Sonsoft Inc.

Full-time|On-site|Bellevue

Join our dynamic team at Sonsoft Inc. as a Java Developer specializing in AngularJS. In this role, you will be instrumental in developing high-quality web applications that enhance user experience and drive business growth. Collaborate with cross-functional teams to define, design, and ship new features, while continuously improving application performance and usability.

Jan 19, 2017

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Java Developer (Java 7 EE / Oracle 12c) - Denver, CO

360 IT Professionals

Contract|On-site|Denver

Join our dynamic team as a Java Developer in Denver, CO! We are seeking a skilled professional with robust experience in Java 7 EE. This role offers the opportunity to work on innovative projects while collaborating with a talented team.

Aug 31, 2017

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