Core Java Developer with Spring Expertise

Role overview Resource Innovations is seeking a Lead Java Software Engineer for its SaaS team. This is a remote role, though candidates based in metro areas like Chicago, San Francisco, Phoenix, Denver, Salt Lake City, or Madison may occasionally be asked to attend in-person meetings. This position blends hands-on technical leadership with active software development. The Lead Java Software Engineer will architect, build, and deploy cloud-based enterprise applications used by major energy organizations. The work supports Resource Innovations’ mission to advance clean energy solutions and help utilities address challenges such as load flexibility, electrification, and carbon reduction. What you will do Software development: Lead and contribute to the full software development life cycle for cloud-based enterprise applications, covering design, coding, testing, deployment, and support. Technical design and architecture: Design and build cloud-native applications using Java, Spring Boot, and related frameworks. Work with REST and SOAP web services, API Gateways, and relational databases to deliver scalable and secure systems. Code quality and review: Write clean, maintainable, and well-documented code. Conduct code reviews, provide feedback, and help raise development standards across the team. Troubleshooting and optimization: Diagnose and resolve complex technical issues, including production support and performance tuning, to improve scalability and reliability. Collaboration and process: Work closely with QA, DevOps, Product, and Business teams. Use Agile practices and tools such as Scrum, Jira, Confluence, and Git to deliver software on schedule. Continuous improvement: Stay up to date with new technologies, including AI-assisted development, and recommend improvements to tools, frameworks, and engineering processes. About Resource Innovations Resource Innovations is a women-led firm focused on energy transformation. The team works to expand clean energy solutions and support utilities as they adapt to changing industry needs. The company is committed to making a positive impact in the energy sector.

Join our dynamic team as a Java Lead where you will play a crucial role in leading software development projects across various locations. You will be responsible for overseeing the design, development, and implementation of Java-based applications, ensuring high-quality deliverables that meet client needs.

Join our team at System Canada Technologies as a Senior Java Developer / Technical Lead. In this role, you will leverage your extensive expertise in Java development to lead projects, mentor junior developers, and innovate solutions that drive our technology forward.We are looking for a passionate technologist who thrives in a dynamic environment and is eager to contribute to high-impact projects. Your leadership will help shape our development team and enhance our software engineering practices.

About AdyenAdyen is a leading financial technology platform providing a comprehensive suite of payment, data, and financial products for global brands such as Meta, Uber, H&M, and Microsoft. Our mission is to empower businesses with cutting-edge solutions that facilitate growth and ambition.We nurture a collaborative environment where our team members thrive, supported by a culture that encourages ownership of their career paths. Our motivated individuals tackle complex technical challenges at scale, working together to deliver innovative and ethical solutions that help businesses realize their ambitions faster.Position Overview: Senior Software Engineer (Java), Capital TeamThe Capital Team is integral to our Financial Products solution, enhancing the cash flow of sub-merchants and driving their business growth. We are looking for a passionate Senior Software Engineer (Java) to join us in developing and launching a global lending solution for our clients. This role offers an exciting opportunity to engage with a variety of engineering challenges, from crafting innovative product features to optimizing system scalability. A customer-centric mindset is essential as we build solutions that cater to all clients.

Welcome to AdyenAt Adyen, we offer a comprehensive suite of payment, data, and financial products tailored for leading brands such as Meta, Uber, H&M, and Microsoft. Our platform stands as the preferred choice for fintech solutions, engineered for those who aspire to achieve great things.We cultivate an environment that empowers our teams to excel, fostering a culture of support that allows everyone to take charge of their career paths. Our motivated professionals tackle complex technical challenges at scale, collaborating to deliver innovative and ethical solutions that expedite business success. Position: Senior Software Engineer, Banking Network TeamThe Banking Network team is at the forefront of creating the backbone for money movement at Adyen. You will be instrumental in engineering the core infrastructure for our North American operations, designed to manage high-volume transactions with a keen focus on fault tolerance and observability. Your role will involve enhancing our direct connections to the Federal Reserve, optimizing systems for scale while simplifying the complexities of various payment protocols to provide seamless banking experiences for our merchants.

We are seeking an experienced Lead Java Developer with over 7 years of expertise in Java and J2EE development. The ideal candidate will possess the following skills:Core Java: Proficient understanding of Data Structures, Algorithms, I/O, NIO, and Multi-Threading.Spring Framework: Extensive experience with Spring Boot, Spring MVC, Spring Integration, and Spring Batch.Message Systems: Familiarity with RabbitMQ and Kafka.Analytical Skills: Strong analytical capabilities and problem-solving skills.Technical Solutions: Ability to identify and resolve technical issues effectively.Object-Oriented Design: Solid grasp of OO design principles and GOF design patterns.

Join Adyen as a Senior Software Engineer specializing in Java within our Pricing team. You will play a key role in shaping our pricing solutions, ensuring scalability and efficiency. Collaborate with cross-functional teams to deliver innovative software solutions that enhance our product offerings and improve customer experience.

Welcome to Adyen At Adyen, we are revolutionizing the financial technology landscape by providing an all-in-one solution for payments, data, and financial products for notable clients such as Meta, Uber, H&M, and Microsoft. Our mission is to empower our customers and partners through innovative technology designed for ambition. We foster an environment where our team members can thrive, supported by a culture that promotes individual growth and career ownership. As a team of motivated professionals, we take on unique technical challenges at scale, collaboratively delivering groundbreaking and ethical solutions that help businesses accelerate their ambitions. About the Customer Developer Observability Team We view our customers' success as intertwined with our own. This begins with providing an effortless integration experience for developers and partners. Our team is agile, taking full ownership of our projects from start to finish, dedicated to creating intuitive and robust technology. The Developer Observability team aims to deliver a suite of products that not only provides clarity and troubleshooting insights but also guides customers in implementing industry best practices for optimal integration performance. We are seeking a talented Software Engineer to join our team and contribute to: A full-stack team of Frontend and Backend engineers dedicated to balancing robust design with lean development, validating concepts efficiently and transitioning to highly reliable systems. Building and maintaining a comprehensive data tech stack (PostgreSQL, Kafka, Elasticsearch) that supports products like API Logs and the Developer Dashboard, delivering near-real-time insights while collaborating closely with the data engineering team to highlight performance trends and provide contextual guidance. Working with cross-functional teams to ensure a seamless and consistent integration experience for our customers. Your Responsibilities: Offer a fresh perspective on engineering practices, improvements, and opportunities. Lead complex technical projects from requirement analysis to architectural design, implementation, testing, and production launch. Collaborate closely with the product team to align on customer change scopes. Champion security, compliance, and reliability challenges.

Join NinjaTrader as a Lead Software Engineer and play a pivotal role in enhancing our cutting-edge trading platform. As a key member of our technology team, you'll be responsible for designing, developing, and deploying innovative solutions that empower traders worldwide. Your expertise in Java and C++ will be instrumental in creating high-performance software that meets the needs of our growing user base. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to push the boundaries of technology in the trading industry.

Join Walgreens Boots Alliance as a Lead Software Engineer and help shape the future of healthcare technology. In this role, you will lead a team of talented engineers, driving innovative software solutions that improve patient care and enhance the customer experience. Collaborate with cross-functional teams to develop cutting-edge applications and systems, ensuring scalability and reliability.

Join our dynamic team at System Canada Technologies as a Senior Core Java Designer / Lead. We are seeking an innovative and experienced Java Designer to lead our development initiatives in creating robust software solutions. The ideal candidate will possess a deep understanding of Core Java and will thrive in a collaborative environment, driving projects from concept to delivery.

Adyen is looking for a Team Lead - Software Engineer to guide the Unified Configuration team in Chicago. This position centers on leading a group of engineers who build and maintain software solutions for unified configuration needs. Role overview The Team Lead will coordinate project delivery and support engineers as they tackle technical challenges. This role involves both hands-on technical work and people leadership, ensuring that solutions meet high standards for quality and reliability. Key responsibilities Lead a team of software engineers focused on unified configuration projects Drive the delivery of software solutions from planning through deployment Support team members through technical challenges and professional development Promote a collaborative and inclusive culture within the team What you bring Experience leading engineering teams Strong background in software development Ability to guide teams through complex technical work Commitment to fostering teamwork and inclusion

Join us at usm2 as a Lead Java Spring Developer. This contract position offers the opportunity to lead innovative projects and develop high-quality applications using Java and Spring frameworks. Collaborate with a talented team to drive technical excellence and deliver solutions that meet client needs.

Java DeveloperEmployment Type: Full-TimeDepartment: Information TechnologyAt CGS Federal, we are on the lookout for a skilled Java Developer to join our team dedicated to enhancing data utilization for a significant state-run project. The successful candidate will be responsible for aggregating data from various existing sources and developing comprehensive strategies for data collection, processing, storage, and reporting. We seek a candidate with a robust understanding of large-scale enterprise systems and a proven mastery of Java programming, specifically with the Java Server Faces Framework.CGS Federal is committed to bringing together motivated, talented, and innovative individuals to tackle the most dynamic challenges faced by the government using state-of-the-art technology. We encourage candidates who are enthusiastic about contributing to government innovation, thrive in collaborative environments, and can anticipate the needs of their colleagues. Our company fosters an inclusive atmosphere where employees feel valued, and we support professional development through various learning opportunities.Key Responsibilities:- Collaborate with business analysts and fellow developers to create software designs.- Provide work estimates to the project manager, deliver regular status updates, and monitor progress against the project work plan.- Develop program specifications and foundational prototypes.- Convert software designs and specifications into efficient, high-functioning code.- Integrate individual software solutions into larger systems.- Utilize web-based tools for application development and enhancement.- Conduct periodic testing of code to ensure optimal performance and perform debugging as required.- Collaborate with business, development, and QA teams to establish testing and acceptance protocols.- Perform upgrades to enhance software and system security and efficiency.- Work with business analysts to provide training, knowledge transfer, and documentation for user support.

Waltz Health, based in Chicago, is at the forefront of transforming prescription care. We are pioneering innovative solutions within the pharmaceutical supply chain, utilizing AI-driven marketplaces to reduce costs and introduce consumer tools that enhance decision-making in healthcare. Our dedicated team of industry experts is committed to addressing the challenges of high costs and inefficient experiences in the pharmaceutical sector. We believe in the power of better pricing, enhanced information, and smarter tools to empower consumers and enable payers to effectively manage their pharmacy benefits. The technology we are developing is not just a solution; it represents a collaborative approach to achieving better healthcare outcomes for everyone.Our Core Values at Waltz HealthIntegrity: We prioritize the integrity of clinical care in the pharmaceutical system, being truthful and honest in all our partnerships.Inclusion: We advocate for systemic change that benefits all, embracing diversity and the unique perspectives of our employees and partners.Access: We are dedicated to dismantling barriers to restore choice in healthcare, ensuring our partners receive the right prescription care at the right cost.Accountability: We take pride in our work and its outcomes, focusing on delivering a premier experience for our partners while achieving ambitious goals.Progress: We are committed to advancing healthcare through innovation in pharmaceutical care delivery.Job OverviewWe are seeking a talented Engineering Lead to spearhead the design, development, and implementation of essential healthcare technology solutions across our organization. This role entails leading teams, mentoring engineers, and utilizing Salesforce, MuleSoft, and Microsoft Azure to expedite our platform development and enhance healthcare outcomes through technology.ResponsibilitiesOversee the architecture and delivery of marketplace platform applications, including Salesforce solutions, MuleSoft integrations, and Azure cloud-native services.Lead and mentor engineering teams; establish goals, promote career development, and cultivate a high-performance, inclusive culture.Collaborate with Product, Architecture, and other teams to align technical solutions with business objectives.

Join our dynamic team as a Java/J2EE Architect in the vibrant city of Chicago! We are seeking a skilled architect who has a passion for developing robust and scalable applications. You will play a key role in designing and implementing enterprise-level solutions, ensuring high performance and responsiveness to requests from the front-end.You will collaborate closely with cross-functional teams to define, design, and ship new features. If you thrive in a fast-paced environment and are excited about building innovative applications, we want to hear from you!

We are seeking a highly skilled and experienced Lead Senior Staff Software Engineer specializing in front-end fundamentals to join our innovative team at The Trade Desk. In this role, you will lead the development of cutting-edge front-end solutions that enhance user experience and drive our product's success. You will collaborate closely with cross-functional teams, guiding junior engineers and fostering a culture of excellence in software development.

Join 360itprofessionals1 as a Java Developer and be part of our innovative team dedicated to developing cutting-edge software solutions. You will play a crucial role in designing, implementing, and maintaining Java applications that enhance our clients' operational efficiency.We are looking for a motivated individual who is passionate about technology and eager to learn and grow within a dynamic work environment. If you are ready to take your career to the next level, we invite you to apply!

Join our dynamic team at System Canada Technologies as a Java Tech Lead specializing in OTC derivatives. In this role, you will leverage your expertise in Java development and financial instruments to lead innovative projects. Collaborate with a talented group of professionals to drive solutions that enhance our services and meet our clients' needs.