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Experience Level
Senior
Qualifications
Required QualificationsOver 10 years of experience in software development with a robust foundation in Java-based enterprise solutions. Extensive experience with Java, Spring Boot, and microservices architecture. Familiarity with modern application design methodologies (e.g., scalable, distributed systems).
About the job
The Senior Java Full Stack Developer contract role involves the design and development of scalable, high-performance enterprise applications, emphasizing backend services and cloud-native architecture. In this position, you will leverage modern Java frameworks, APIs, and distributed systems, actively engaging in platform development and integration initiatives. This role allows for comprehensive exposure to the software development lifecycle, including design, deployment, and optimization within a cloud environment.
Key Responsibilities
Design, develop, and enhance enterprise-grade applications primarily focused on backend systems utilizing Java, Spring Boot, and microservices architecture.
Create and maintain APIs to facilitate integration across internal and external platforms.
Develop scalable and resilient services in alignment with contemporary application design principles and cloud-native standards.
Collaborate with cross-functional teams to assist with light frontend development and ensure a seamless end-to-end functionality.
Support application deployment, performance tuning, and monitoring within cloud environments, preferably AWS.
Contribute to architectural decisions and continuously enhance system performance and reliability.
About formativgroup
formativgroup is a leading provider of innovative technology solutions aimed at enhancing the performance and capabilities of enterprises across various sectors. Our team is dedicated to leveraging cutting-edge technologies to deliver exceptional service and results.
Full-time|$139.3K/yr - $174.1K/yr|On-site|Cambridge, MA
At Cambridge Mobile Telematics (CMT), we are leading the charge in telematics solutions, dedicated to enhancing road safety globally. Our innovative AI-driven platform, DriveWell Fusion®, integrates sensor data from millions of IoT devices—ranging from smartphones and proprietary Tags to connected vehicles and dashcams—along with contextual data to provide a…
Senior Full Stack Software EngineerJoin AZX, a pioneering company dedicated to driving positive transformation in vital sectors through advanced AI solutions.We are rapidly expanding our reach, collaborating with industry leaders in real estate, energy, logistics, and utilities.As a public benefit corporation established in 2024, we have achieved profitability from day one by leveraging our consulting expertise.Our focus areas include clean energy innovation, decarbonization efforts, climate risk assessment, energy systems, and global economic strategies. We are committed to creating a workplace that attracts those who share our passion for AI and impactful change.Role OverviewWe are looking for a Senior Full Stack Software Engineer who will play a crucial role in delivering exceptional solutions to our clients and enhancing our internal platform. As one of the initial full-time engineers, your contributions will significantly shape our development process.You will engage in diverse projects, ranging from enterprise-level applications to rapid innovation cycles, while we simultaneously invest in our platform to enhance client value.Be part of a team led by seasoned professionals from the climate and AI sectors, including experts from Microsoft, AI2, ARM, and notable startups, as well as PhD-level researchers and former executives.Key ResponsibilitiesTransform vague client challenges into functional code.Lead projects from initial discovery through to deployment.Work collaboratively with both client and internal teams.Write clean, scalable, and maintainable code that meets quality standards.Incorporate AI technologies into our solutions, including analytical models and digital twins.Foster interdisciplinary collaboration.Promote engineering best practices and a positive development culture.
Full-time|$112.2K/yr - $140.3K/yr|Remote|Remote within the Continental United States
At ITHAKA, we are dedicated to breaking down barriers to education and expanding access to knowledge globally. Our flagship services—JSTOR, Portico, and Ithaka S+R—empower learners everywhere to grow, learn, and succeed. As part of our mission, we deeply value our community and strive to foster an inclusive culture where every employee can flourish.The RoleAs a Senior Full-Stack Software Engineer at ITHAKA, you will play a crucial role in a mission-driven environment, working on impactful products that aim to enhance educational accessibility. Your responsibilities will include:Utilizing a diverse set of tools and languages to tackle challenges, including AWS, Kubernetes, Kafka, Java, Golang, Python, TypeScript, and GitHub/GitLab.Developing and deploying software through an automated continuous delivery pipeline, facilitating over 200 production deployments weekly.Witnessing the real-world impact of your contributions as they are utilized by millions of users.Engaging in open source contributions as part of our commitment to community support.ResponsibilitiesCollaborating within a dynamic Agile team to design, develop, and sustain high-performance applications.Employing continuous deployment and test automation tools for frequent production updates.Engaging with internal and external stakeholders to gather requirements and drive web application development.Creating interactive web applications using modern technologies and frameworks.Utilizing web analytics for product discovery and measuring project KPIs.Testing, measuring, and optimizing application performance using APM tools.Participating in an on-call rotation as the primary contact for your applications.Exhibiting leadership through mentorship of team members and promoting innovative technologies and processes.Assisting in the analysis of pricing, risk/reward, cost benefits, and resource allocation to facilitate technological enhancements.Experience and SkillsRequiredA minimum of 3 years of experience as a full-stack software engineer, specifically in building large-scale, distributed web applications.Proven experience...
Join our dynamic team at Spreetail as a Senior Full-Stack Software Engineer. You will be at the forefront of designing and developing innovative software solutions that enhance our e-commerce platform. Collaborate with cross-functional teams to deliver high-quality products that meet our customers' needs while leveraging the latest technologies.
Full-time|Remote|El Dorado Hills, California, United States
Description Join our dynamic Support Tools team as a Senior Full Stack Software Engineer specializing in Java, MySQL, AWS, and JavaScript. We are looking for a proactive and skilled individual who thrives in a collaborative environment and possesses robust expertise in both front-end and back-end development. This is a wonderful opportunity to grow with our team in an innovative and enjoyable setting. Enjoy the flexibility of working 100% remotely! Keeper Security's cybersecurity software is trusted by millions across the globe and is available in 23 languages, serving clients in over 150 countries. Be a part of one of the fastest-growing cybersecurity companies, contributing to the development of secure and scalable internal tools that enhance operational efficiency and empower Keeper teams to provide outstanding customer service. About Keeper Keeper Security, Inc. is recognized as a frontrunner in the cybersecurity software industry, safeguarding millions of individuals and thousands of organizations worldwide. With a commitment to zero-knowledge and zero-trust security, our core product, KeeperPAM®, is an AI-driven, cloud-native platform that fortifies all users, devices, and infrastructures against cyber threats. Acknowledged for its innovative solutions in the Gartner Magic Quadrant for Privileged Access Management (PAM), Keeper expertly secures passwords, secrets, remote connections, and endpoints with role-based enforcement policies, least privilege, and just-in-time access. Discover why Keeper is a trusted ally for leading organizations in the battle against modern cyber adversaries at KeeperSecurity.com. About the Role This role centers on full stack engineering, primarily focusing on back-end Java development while also engaging in front-end development using React. The ideal candidate will have significant experience in creating secure, scalable applications utilizing Java, MySQL, and AWS, alongside sufficient front-end proficiency to contribute to modern React-based user interfaces. This position will involve designing, developing, and maintaining internal support tools utilized across Keeper's business functions. Responsibilities Design, develop, and maintain secure, scalable internal tools for Keeper support and operational teams. Build backend services and application logic primarily in Java. Contribute to front-end development using React to enhance internal user workflows and experiences. Develop and maintain integrations with MySQL databases and AWS infrastructure. Collaborate effectively with product managers, designers, and engineers to define and implement software solutions.
Join Our Team at Owner.comAt Owner.com, we are revolutionizing the way local restaurants grow through our innovative AI growth system, designed specifically for their needs.Our AI enhances SEO, marketing, and online ordering systems to maximize first-party orders, empowering small business owners with a user-friendly platform managed by experts. We provide a suite of tools that levels the playing field against larger chains.Our VisionWe aim to enable independent restaurants to thrive online, and our vision extends beyond them. Many local businesses face similar challenges, and we aspire to provide solutions that can assist them as well. Our goal is to develop technology that tens of millions of local business owners can leverage for success in the digital landscape.Our AchievementsSince our inception in 2020, we have generated substantial revenue and facilitated over half a billion dollars in online orders. Over 20,000 restaurant owners have benefited from our services, saving nearly $200 million in fees.Our TeamComprising top talent from leading companies in the SMB software sector, our team is poised for rapid growth as we expand further in 2026.Work EnvironmentAs a remote-first company headquartered in San Francisco with a sales hub in Toronto, we foster a flexible work culture. Most of our team members are distributed globally. For specific roles, we encourage in-person collaboration, so please consult with your recruiter regarding location details.
Full-time|$170K/yr - $220K/yr|On-site|El Segundo, CA
At Sift, we are transforming the landscape of modern machine development, testing, and operation. Our cutting-edge platform empowers engineers with real-time observability over high-frequency telemetry, effectively eliminating bottlenecks and facilitating quicker, more reliable development processes.Founded by innovators from SpaceX, Google, and Palantir, Sift emerged from our groundbreaking work on Dragon, Falcon, Starlink, and Starship at SpaceX, where the demands for scalable telemetry and mission reliability necessitated advanced infrastructure. We are dedicated to mission-critical systems where precision and scalability are essential.As an early engineer at Sift, you will not only write code but also play a vital role in architecting solutions, shaping the product vision, and influencing the company's culture, all while tackling significant engineering challenges. If you are eager to build foundational systems that support complex machines from the ground up, we invite you to connect with us.
Full-time|Remote|Seattle, New York City, Boston, or Remote
Role overview Pearl Health is hiring a Senior Full Stack Software Engineer. This role focuses on building and improving web applications that support healthcare technology. The position can be based in Seattle, New York City, Boston, or fully remote. What you will do Develop web applications that are reliable and can scale as usage grows Work with teams across product, design, and engineering to create new features and solutions Contribute to both front-end and back-end codebases, helping projects move from early ideas to launch Find ways to improve user experience within Pearl Health's products Who succeeds in this role Experienced engineers comfortable working across the stack Those who enjoy collaborating with a variety of disciplines People who care about building technology that supports better healthcare outcomes
About Tines Founded in 2018, Tines has dual headquarters in Dublin and Boston. The platform blends AI, automation, and integrations with human creativity to help organizations achieve real business results. Tines serves a wide range of customers, from startups to large public companies. Clients include Canva, Databricks, Elastic, Kayak, Intercom, and McKesson. As a vendor-agnostic solution, Tines integrates with any API-enabled service, giving teams flexibility to meet critical goals quickly. Security and privacy are built into the platform, making it a trusted choice for security, IT, engineering, finance, and other teams that prioritize data protection. The company values Simplicity, Speed, and Soundness. Tines focuses on excellent customer experiences and a culture that encourages curiosity, growth, and integrity. Role Overview The Senior Full-Stack Software Engineer will join the team working on Pages and Apps. This role involves building full product features, as well as tools and libraries that help other engineers deliver faster and with higher quality. The work touches many parts of the product and technology stack. This position goes beyond coding. The engineer will influence technical direction, product development, and team culture. Collaboration and support are central to the engineering team, which values solving tough problems and delivering strong results. Tines encourages each team member's growth and aims to create an environment where everyone can do their best work. Location Remote within the United States - East.
Full-time|$125K/yr - $135K/yr|Remote|United States
DNSFilter builds products that help customers and partners improve online safety. The company focuses on network security, delivering threat protection and content filtering solutions that are fast, accurate, and reliable. DNSFilter uses AI-powered threat intelligence to help clients address risks before they impact networks. The team values collaboration, innovation, and measurable results, with each member contributing to the mission of securing the internet. As DNSFilter grows, the team is expanding its product features and solutions for a global audience. The company is looking for a Senior Full-Stack Software Engineer with strong experience in React and NextJS to help modernize applications and transition to a new design system. This is a fully remote, full-time role for candidates based in the United States or Canada, with preference for those able to work hybrid from the Westchase, Florida office and during Eastern Time hours. Experience in high-growth SaaS environments is valued. What you will do Work across the full stack, including React, NextJS, MUI, Golang, Ruby, and .NET, as part of the Engineering organization. Collaborate with engineers, UX, and other stakeholders to build modular solutions using the new design system. Deliver meaningful business value to customers through your work. Expand your expertise across the technologies in the DNSFilter ecosystem. Use AI to enhance learning and productivity, and support AI initiatives within the department. Requirements Specialization in React and NextJS development. Proven track record of delivering high-quality code. Ability to work effectively in a fully remote setting. Experience working in a SaaS startup or scale-up environment, ideally in a fast-growing company. Located in the United States or Canada; preference for those able to work hybrid from Westchase, Florida. Available to work full-time during Eastern Time hours. DNSFilter encourages applicants from all backgrounds, recognizing the value of diverse experiences and transferable skills in driving innovation and excellence.
Aerostrat is seeking a Senior Full-Stack Software Engineer in Seattle. This position involves leading projects that influence the direction of our technology. The role calls for experience in both front-end and back-end development, with a focus on building applications that serve users effectively. Role overview As a Senior Full-Stack Software Engineer, you will work with teams across disciplines to design and implement scalable solutions. The position emphasizes collaboration and a commitment to refining our development processes. What you will do Lead and contribute to key software projects from concept to delivery Develop and maintain both front-end and back-end components Work closely with cross-functional teams to ensure applications meet user needs Help drive improvements in our engineering practices Requirements Strong background in full-stack development Experience building scalable web applications Ability to collaborate effectively with diverse teams
Job Title: Full Stack Developer - Ethereum DAPPSLocation: Sausalito, CA or Seattle, WA or RemoteExperience: 5+ yearsType: Full Time / Temp to PermSponsorship: Maybe DOE, prefers no visaSalary: $120K / YearOther compensation: Equity, TokensRelocation: YesJob ID: REF7KBloKchain Talent, a leading blockchain recruiting agency, is in search of a Full Stack Developer specializing in Ethereum Dapps for our client, an innovative and well-funded company revolutionizing the healthcare industry.The ideal candidate will be instrumental in designing and building decentralized applications and a fully decentralized protocol for health insurance. We are looking for someone with a strong understanding of distributed systems, blockchain technology, and hands-on experience in architecting and developing on existing blockchain smart contract platforms.
dataspace is working with a major health insurer in Michigan to find a Full Stack Developer for a contract role in Detroit. This position centers on building interactive, web-based data presentations in partnership with the client’s data science team. Location Detroit, MI. Candidates must live in Southeast Michigan. Work Arrangement Contract position with potential to convert to contract-to-hire Assignment expected to last six months or longer What You Will Do Collaborate closely with the client’s data science team Develop interactive, web-based data presentations Essential Qualifications Strong JavaScript and front-end development skills (Angular, HTML, CSS) Experience with Python web frameworks, especially Django Proficient in SQL Preferred Qualifications Experience in health insurance or healthcare is a plus Compensation $60 - $70 per hour (1099 or Corp-to-Corp) Application Process To apply, submit a resume and complete the dataspace questionnaire promptly if your background aligns with these requirements. Important Notes An on-site interview in Detroit is required. Candidates unable to attend will not be considered. Background checks and drug screenings are required before employment or contract start. Only direct W2 employees of contracting partners are eligible. Third-party agencies should not submit candidates who are not their direct employees. Resume integrity is strictly enforced. Suspected fraud will be reported to the USCIS and other authorities. Submit only resumes that can be independently verified. All submissions must show clear written communication. Limit bullet points to six per assignment. Non-compliant submissions may be rejected.
Saronic Technologies is at the forefront of transforming maritime autonomy, committed to crafting innovative solutions that optimize maritime operations through cutting-edge autonomous and intelligent platforms.Position OverviewWe are on the lookout for a Senior Full Stack Engineer who will play a pivotal role in designing, developing, and maintaining our web-based applications and systems. In this role, you will utilize your expertise to collaborate with cross-functional teams, delivering innovative solutions that enhance the functionality and performance of our autonomous surface vessels. You will tackle complex challenges at the intersection of technology and defense, significantly influencing the future of maritime operations.
Role overview TrueLogic is looking for a Senior Full-stack Engineer with a backend focus to help develop software for the HealthTech sector. The work centers on building tools that support better healthcare delivery and patient outcomes. This position involves shaping products that directly impact how care is provided. What you will do Design and build backend systems for healthcare applications Collaborate with cross-functional teams to develop new features and refine existing ones Contribute to software that addresses practical needs in healthcare settings Requirements Strong background in backend technologies Track record of building scalable applications Interest in applying technology to healthcare challenges Location This role is open to candidates based in Latin America (LatAm).
Job Title: Full Stack .NET DeveloperLocation: San Diego, California 92121Duration: 12-Month ContractThis position is ideal for a skilled Full Stack .NET Developer who possesses the ability to develop and optimize user interface components, middle-tier services, and database functionalities as required. You will play a pivotal role in enhancing our enterprise applications, ensuring robust performance and user satisfaction.
Join Our Innovative Team! For nearly six decades, Coates Group has been at the forefront of forging meaningful connections between the world’s premier brands and their customers. While we take pride in our achievements, we are just getting started!As a global technology leader, we are dedicated to crafting dynamic, intelligent, and personalized customer experiences that are powered by our cutting-edge digital hardware, proprietary content management system, and leading signage solutions. If you have ever enjoyed a seamless ordering experience at McDonald's drive-thru or in-store, chances are you’ve interacted with our technology. With operations in over 50 markets worldwide and nine offices globally—our headquarters located in Sydney, Australia—we are on a mission to revolutionize customer engagement. Embodying the values of a family-owned business while embracing the innovative spirit of a start-up, our purpose is clear: Creating Connections. Empowering Partnerships. Always Evolving. Our commitment to hard work, creativity, and collaboration has positioned us as industry trailblazers, honored with awards and records, including being a two-time Australia Good Design Award winner and executing the largest hardware deployment in Quick Service Restaurant history.We seek the curious, the authentic, the diverse. Our team thrives on imagination, kindness, expertise, and collaboration. Together, we are transforming how the world’s leading brands utilize technology to enhance customer experiences.
About HighLevelHighLevel is an innovative cloud-based marketing and sales platform that empowers marketing professionals, entrepreneurs, and businesses to enhance their online presence and foster growth. Serving over 2 million clients globally, from marketing agencies to small businesses, our platform facilitates streamlined operations, effective growth strategies, and achievement of business goals. With over 15 billion API hits and 2.5 billion message events processed daily, we manage an impressive 470 terabytes of data across five databases, leveraging a network of 250 micro-services and supporting over 1 million domain names.Our CultureWith a diverse team of over 1,500 members across more than 15 countries, we foster a global, remote-first work environment. Beyond software development, we are dedicated to cultivating a vibrant community built on creativity, collaboration, and impactful work. We embrace a culture where innovation flourishes, ideas are celebrated, and our people are prioritized, regardless of their location.Our ImpactOur platform powers over 1.5 billion messages, generates over 200 million leads, and facilitates more than 20 million customer interactions monthly for our extensive client base. Behind these metrics are real people connecting with customers and growing their businesses, and we are proud to play a role in their success.Discover more about us on our YouTube Channel or Blog.About the RoleAs a pivotal member of the Platform Experience team, you will help drive organizational growth by optimizing our Time-to-Productivity (TTP) metrics. Our mission is to craft seamless, impactful experiences that enhance customer success and elevate trial-to-paid conversion rates.We oversee two key growth products:Onboarding – A no-code/low-code guided experience to help customers quickly set up and gain value from our platform.Launchpad – A conversion-oriented enablement engine designed to assist customers in efficiently activating essential features.Both products are continually refined through data-driven experimentation and A/B testing, enabling us to discover and implement the most effective solutions for customer conversion and retention.Additionally, we manage Global Search, a high-performance system that allows users to swiftly search through the platform, ensuring speed and efficiency.
Join our dynamic engineering team as a Senior Mean Stack Developer in our vibrant Downtown LA office. This is an exceptional opportunity to become a key player in a forward-thinking company that values innovation and collaboration.We are in the process of developing a cutting-edge technology platform and applications utilizing open-source technologies, with a strong focus on Node.js. You will also work with other powerful tools such as Backbone.js, MongoDB, Redis, and Express.At our company, we believe in harnessing technology alongside entrepreneurial spirit to drive success.Key Responsibilities:• Design and develop next-generation applications for our platform.• Lead the architecture and implementation of a new platform, focusing on user-facing features as well as core back-end functionality.• Collaborate within small, cross-disciplinary teams dedicated to creating exceptional applications.• Innovate rapidly to maintain our competitive advantage.
Join TechBiz Global, a leading recruitment service provider for top-tier clients, as a Senior Full-Stack Developer. This role offers a remarkable opportunity to advance your career in a dynamic and innovative environment. If you are eager to make an impact through technology, this position is tailored for you.Key Responsibilities:- Design, develop, and maintain cross-platform interfaces using React.- Refactor and enhance components to boost performance, usability, and accessibility.- Leverage a diverse skill set to optimize product performance and design.- Collaborate with a small, agile team to drive project success.- Take ownership of features from conception to deployment.- Ensure high-quality architecture and code standards.- Quickly contribute after a comprehensive onboarding period.- Enhance user experience and performance metrics (Core Web Vitals, load times, responsiveness).
