Senior Java Developer / Lead in Trading and Investment Banking

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.

Welcome to Adyen At Adyen, we deliver a comprehensive suite of payment, data, and financial solutions tailored for industry leaders such as Meta, Uber, H&M, and Microsoft. We pride ourselves on being the preferred financial technology platform, engineered for ambition. We cultivate an environment that empowers our teams, providing the culture and support necessary for them to take charge of their career paths. Our motivated individuals tackle unique technical challenges at scale, collaborating as a team to deliver innovative and ethical solutions that accelerate business ambitions. Position: Senior Software Engineer, Bank Payments Team The North American Bank Payments team is at the forefront of innovation within the region's core banking infrastructure. We specialize in high-volume payment methods, including ACH (the second-largest bank payment method by total volume, processing billions in payments) and EFT Pre-Authorized Debits (PADs) for Canada. Currently, we are spearheading a strategic transition for merchants to a new acquirer under Adyen's U.S. Bank license, unlocking new features and capabilities. We also oversee advanced Pay by Bank solutions, leveraging Open Banking features through partnerships with entities like Plaid for secure data sharing and direct debit initiation. Your Responsibilities: Share your insights on best engineering practices. Collaborate seamlessly across teams and time zones to drive projects to completion. Lead intricate technical projects, overseeing them from requirements analysis through design, implementation, testing, and production launch. Engage hands-on in implementation while providing technical guidance and mentorship to fellow engineers. Identify and enhance platform components to increase robustness and scalability. Develop features with a mindset geared towards large-scale utilization.

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.

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 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.

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 CGS Federal as a Senior Lead Network Engineer II and play a pivotal role in the evaluation, enhancement, and maintenance of a large-scale network project. This project encompasses both wired and wireless network infrastructure alongside essential hardware and software.Your responsibilities will include assessing the current setup of disparate networks, designing and implementing a cohesive network infrastructure that meets both wireless and wired requirements. You will also provide consultation on hardware and software to ensure optimal support for this infrastructure, alongside conducting systems testing, vulnerability assessments, and quality assurance for the new setup.As a vital team member, you will collaborate with state and local government personnel, internal stakeholders, subject matter experts, and vendors providing development services.CGS Federal is dedicated to assembling motivated, skilled, and creative professionals to tackle the government’s most pressing challenges using innovative technology. We seek candidates passionate about contributing to government innovation, fostering collaboration, and anticipating the needs of others. Our supportive environment encourages professional growth through various learning opportunities.

Senior Network Engineer Maven Securities is a premier proprietary trading firm specializing in the allocation of internal capital across discretionary, systematic, and market-making strategies. We pride ourselves on our team of expert traders, engineers, and technologists, all working together to enhance our status as a leading liquidity provider for globally listed derivatives. By leveraging cutting-edge execution and pricing technologies, we strive to redefine and improve the operational landscape of financial markets. The Maven Infrastructure team comprises diverse and innovative technologists dedicated to continuously enhancing the performance, resilience, scalability, visibility, and supportability of our computing systems. As a Senior Network Engineer on our Infrastructure team, you will gain in-depth knowledge of the data flows within Maven's trading systems. Your role will involve constructing robust network infrastructure and collaborating closely with developers, traders, and fellow infrastructure engineers to optimize system performance. Your main focus will be on enhancing our US network and datacenter infrastructure while also collaborating with our global team to maintain a strong worldwide network. Key Responsibilities: Design, configure, and maintain our global network infrastructure while collaborating across teams to optimize low-latency trading applications. Build, support, and troubleshoot a high-performance hybrid wireless and wired network environment. Utilize an automated, data-driven approach to diagnose and resolve complex network infrastructure issues such as micro-bursting, jitter, and queuing. Proactively identify enhancements to existing configurations, technologies, and procedures to boost performance. Lead and manage global network initiatives from requirements gathering through design review, implementation, deployment, and documentation. Contribute to documenting network processes, systems, and configurations. Collaborate with systems teams to build and manage datacenter infrastructure effectively. Maintain network security infrastructure to ensure perimeter protection and appropriate separation of internal environments.

The Networks team is at the forefront of designing, building, and maintaining the robust communication infrastructure that powers our high-capacity, low-latency trading and data research environments, operating around the clock. Our network spans over 25 countries and more than 100 locations worldwide. We are seeking a Senior Network Engineer who possesses extensive experience in architecting and managing large-scale environments to meet the rigorous performance and availability standards of a leading algorithmic trading firm within the global financial sector.This role demands a blend of project management acumen and deep technical expertise. Collaborating with some of the brightest minds in the industry, you will take charge of product selection, design, routing configurations, and troubleshooting. You will work closely with our Systems and Trading Operations teams, along with other departments at HRT, to construct, oversee, and monitor our low-latency trading network. Your responsibilities will be wide-ranging, allowing you the autonomy to analyze challenges and devise solutions that will have an immediate and significant impact on our global operations.We are looking for a technology enthusiast who thrives on tackling complex problems. You will engage in various projects aimed at enhancing the performance and capacity of our global trading and research platforms while contributing to both strategic initiatives and the intricate details of our network architecture.

Join our dynamic global network team as a Backbone Network Engineer, where you will play a critical role in designing, implementing, and optimizing the backbone infrastructure that supports our international trading operations. Collaborate with engineers around the globe to ensure our network consistently provides ultra-low latency, high availability, and robust security, essential for maintaining our competitive advantage in the market.Core Responsibilities:Design and enhance backbone infrastructure for high-speed, low-latency data transmission and scalability.Deploy and configure high-performance routing and optical hardware to minimize congestion and maximize availability.Create low-latency routing paths between data centers, trading venues, and counterparties.Proactively identify, troubleshoot, and resolve network issues using advanced monitoring and analytical tools.Plan and scale backbone capacity to support global growth.Collaborate with trading, development, and infrastructure teams to integrate network changes seamlessly into production.Work globally to maintain documentation, policies, and operational standards.

CGS Federal is on the lookout for a seasoned Senior Lead Network Engineer to become an integral part of our dynamic team. This role is centered around evaluating, enhancing, and maintaining a large-scale network infrastructure project, which includes both wired and wireless elements along with associated hardware and software. The primary objectives entail assessing the current fragmented network setup and designing a cohesive infrastructure that meets all wireless, wired, and software requirements. As part of this project, you will also provide consultation on the necessary hardware and software to effectively support this comprehensive infrastructure, as well as the testing, vulnerability assessments, and quality assurance processes needed for implementation.Your collaboration will involve interfacing with state and local government personnel, internal stakeholders, subject matter experts, and vendors providing development services. At CGS, we pride ourselves on bringing together motivated, skilled, and innovative individuals to tackle the most pressing challenges faced by the government using cutting-edge technology. We encourage candidates who are enthusiastic about contributing to government innovation, value collaboration, and can proactively anticipate the needs of others. Our work environment is designed to support our employees and foster professional growth through numerous learning opportunities.

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.

Role Overview inflowfed is hiring a Network Engineer in Chicago, IL. This role focuses on designing, implementing, and improving network infrastructure that supports the company’s systems. What You Will Do Design and build network solutions to support business needs Optimize existing network infrastructure for reliability and performance Work closely with teams across the company to ensure smooth connectivity Location This position is based in Chicago, IL.

IMC is on the lookout for skilled Network Engineers who are enthusiastic about designing and maintaining state-of-the-art, high-speed networks. In this role, you will collaborate closely with traders, developers, quantitative analysts, and performance engineers to architect, deploy, and uphold the critical infrastructure that supports our trading operations. Key Responsibilities: Architect, execute, and maintain the North American network infrastructure, focusing on low-latency networking, unicast and multicast routing, BGP, PIM-SM, performance optimization, gap analysis, and automation. Utilize existing tools to monitor and assess network health, while also proposing and developing next-gen monitoring solutions. Drive continuous improvements within the network environment by participating in automation initiatives (e.g., Bash, Python, Ansible, AWX). Ensure meticulous documentation of IMC’s network architecture, configurations, and operational protocols. Engage with external vendors, exchanges, and service providers to assess technological solutions, deploy new services, and resolve issues.

Job Description:We are seeking a seasoned Network Architect with over 10 years of experience. Please refrain from submitting junior profiles.The ideal candidate will possess extensive experience in routing and switching, along with foundational knowledge of load balancers, firewalls, and WLAN setups. Key responsibilities include:Configuring and installing various network devices and services including routers, switches, firewalls, load balancers, VPNs, and QoS setups.Executing network maintenance and system upgrades involving service packs, patches, hot fixes, and security configurations.Monitoring network performance to ensure system availability and reliability.Managing system resource utilization, trending, and capacity planning.Providing Level 2/3 support and troubleshooting to resolve complex issues.Adhering to established configuration and change management policies to ensure the success of network infrastructure modifications.Selecting and implementing security tools, policies, and procedures in collaboration with the company’s security team.Liaising with vendors and IT personnel for effective problem resolution.

At Credera, we are a leading global consulting firm that merges innovative consulting capabilities with extensive industry knowledge, leveraging AI and technology expertise to create valuable customer experiences and drive accelerated growth across diverse sectors. Our commitment to evolving our services ensures we meet the demands of future organizations while embodying modern best practices. Through our distinctive global approach, we deliver customized solutions that transform some of the most influential brands and organizations worldwide.Our team members are the heart of our organization, fueled by a passion to make a meaningful impact on our clients, colleagues, and communities. This dedication shapes how we invest our time, resources, and talents. Our global recognition for our commitment to our workforce and our work is a testament to our ethos. For more information about our accolades, please visit our awards page: https://www.credera.com/awards-and-recognition

About Akuna Capital:Akuna Capital is a forward-thinking trading firm that emphasizes teamwork, advanced technology, data-driven solutions, and automation. As a premier options market-maker, we are dedicated to delivering competitive quotes for buying and selling. Our success hinges on the design and implementation of our proprietary low-latency technologies, trading strategies, and mathematical models.Founded by our partners in Sydney, Akuna opened its first office in Chicago in 2011, strategically located in the heart of the derivatives market. Today, we proudly operate additional offices in Sydney, Shanghai, London, and Singapore.Your Role as a Network Engineer III:We are on the lookout for a skilled Network Engineer III to join our dynamic IT Infrastructure team at Akuna. The ideal candidate will possess a robust background in low-latency IP networking and will be pivotal in maintaining and enhancing our global trading infrastructure. This position demands both technical expertise and independent decision-making, as you will often be the primary network resource during critical hours, ensuring the stability and efficiency of our trading systems. Self-motivation, excellent multitasking abilities, and comfort working in a high-speed electronic trading environment are essential. Candidates should hold an active CCNP certification and aspire to achieve CCIE certification in the future.

Company OverviewZoro.com stands as a premier eCommerce platform dedicated to delivering an extensive selection of nearly 12 million tools, parts, and supplies tailored for business customers. Since our launch in 2011, we have transformed the B2B industry by providing a consumer-centric online shopping experience, solidifying our position at the forefront of digital innovation in technology and distribution. Our rapid growth has propelled us to exceed $1 billion in annual revenue, and we are excited for what lies ahead!Position Overview:We are in search of a talented Senior Software Engineer to spearhead our PROMOS team, which focuses on developing and enhancing digital promotional experiences across Zoro.com. This includes site-wide deals, targeted personalized offers, and loyalty programs.In this role, you will lead the design and implementation of scalable, secure, and reliable cloud-based solutions spanning the entire stack, from user-friendly interfaces built with Vue.js to robust backend services crafted in TypeScript. You will collaborate closely with cross-functional teams, mentor fellow engineers, and drive technological advancements that enhance both customer-facing features and core platform functionalities.Key Responsibilities:Adopt an AI-first approach, integrating AI-driven workflows into daily development practices.Participate in the design, development, testing, and maintenance of high-performance web applications, focusing on scalability, security, and reliability.Utilize TypeScript extensively for building and maintaining backend services with Node.js, as well as frontend applications.Identify opportunities for improvement in team agreements and workflows through collaboration with peers and stakeholders.Act as a proactive leader during team ceremonies, advocating for best practices and maintaining high standards of quality, agility, and maintainability.Mentor and guide engineers, empowering them to contribute effectively to team objectives.Take the lead in creating and enhancing technical documentation, ensuring accuracy, consistency, and accessibility.Own and resolve critical technical issues, ensuring efficient resolutions while identifying areas for improvement.

About UsAt adoreal, we are a rapidly expanding vertical SaaS company dedicated to revolutionizing consumer experiences within the plastic surgery field through innovative and disruptive technology. Our team thrives on overcoming challenges and is committed to redefining industry standards.Data is a cornerstone of our product strategy, and we are investing significantly in enhancing our data capabilities. As a Senior Software Engineering Manager, you will lead a pivotal team within our organization, with ample opportunities for growth and influence.Your RoleWe are on the lookout for a dynamic Senior Software Engineering Manager who is not only passionate about innovation but also has a strong drive for success. You will be a player/coach with extensive .NET experience, ready to evolve alongside our products, teams, and revenue streams. In this role, you will collaborate closely with team members and external partners to design, develop, and deploy high-quality healthcare software solutions. You will provide technical leadership, ensuring the delivery of scalable and high-performance systems. If you aspire to grow rapidly and be part of an exciting venture, this is your chance!Please note: This is a US-based position, and candidates must reside in Chicago, IL.