Senior Software Engineer (Java) - Customer Developer Observability

Join Our Award-Winning Technology Team at RAPP Chicago! About Us: At RAPP, we are pioneers in precision marketing, driving growth with empathy and insight. Our global presence and innovative approach enable us to harness data, creativity, and technology to tailor marketing solutions that resonate with individuals. We believe in fostering an inclusive environment where every team member is valued and empowered. Our Approach: Our dedicated team of data analysts, strategists, and technologists work collaboratively to create authentic connections between brands and consumers by leveraging connected data, content, and decisioning. As part of Omnicom's Precision Marketing Group, our team of over 2,000 experts spans more than 15 global markets, committed to delivering exceptional results. Your Role: We invite a motivated Software Development Engineer in Test (SDET) with a focus on AI/ML systems to become part of our dynamic team. We value entrepreneurial thinkers who excel in fast-paced, problem-solving environments. Your Responsibilities: Design, develop, and maintain automated test scripts for functional, API, and database testing. Embrace emerging AI-driven testing solutions and modern quality engineering practices. Adhere to automation guidelines and update scripts based on project requirements. Generate and manage test data for clean test environments using CRUD principles. Collaborate with developers and QA peers to review automation scripts and ensure quality standards. Effectively communicate test results to stakeholders. Take ownership of assigned automation tasks and deliver results proactively.

Join Our Award-Winning Technology Team as a Senior SDET at RAPP ChicagoAbout Us:At RAPP, we are pioneers in precision marketing, driving growth with empathy and precision on a global scale. Our team integrates data, creativity, technology, and a deep understanding of individual needs to deliver tailored marketing solutions that resonate with diverse audiences.We believe in nurturing individuality, both in our marketing strategies and our workplace culture. Our inclusive environment fosters personal well-being and encourages innovative thinking.Our Approach:Our dynamic team of superconnectors excels in creating value through personal brand experiences, focusing on connected data, content, and decision-making. Our data analysts identify target personas, while our strategists and technologists ensure authentic connections between our clients and their customers.As part of Omnicom's Precision Marketing Group, RAPP boasts a diverse team of over 2,000 professionals across 15+ global markets.Your Role:We are seeking a proactive Senior SDET with a strong background in performance engineering. This role is perfect for someone who thrives in fast-paced environments and is eager to contribute to innovative solutions.Key Responsibilities:Design, develop, and maintain automated testing frameworks across functional, integration, and regression layers.Integrate quality assurance into feature squads, contributing to design, acceptance criteria, and code reviews.Manage test automation integration within CI/CD pipelines (GitHub Actions, CodePipeline, Jenkins).Promote testing standards, patterns, and reusable tools across engineering teams.Define and oversee performance testing strategies, including load, stress, soak, spike, and chaos testing.Collaborate with Engineering, Product, and Platform teams to establish SLO/SLA baselines.Develop performance testing standards and documentation for organizational use.Create and maintain performance test suites using tools like k6, Gatling, or Locust.Simulate realistic traffic patterns, data volumes, and concurrency profiles for AWS-hosted services.

Disclaimer: Please note that the most accurate and current information regarding our open positions, including job descriptions, compensation, and benefits, can only be guaranteed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader.JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLDWelcome to the innovative realm of NinjaTrader! As a leading trading platform and futures brokerage, we empower traders to seize control of their financial futures. Our cutting-edge products and services are designed to enhance the trading experience. Whether you are a seasoned trader or just embarking on your journey, NinjaTrader provides award-winning software and brokerage services to navigate the world’s top financial markets with confidence.Our growth story is nothing short of thrilling. Since 2003, NinjaTrader has been committed to understanding and supporting traders on their path to success. As a result of our dedication, our user base has expanded to over 2 million, making us the top-rated futures brokerage globally.But we won’t stop there. We continuously evolve, challenge the status quo, and modernize the futures industry. Our dedication to innovation ensures that users always have access to dynamic tools, real-time support, and a community of like-minded traders.

Join Reddit, a vibrant community platform that connects millions of users through shared interests. We are seeking a Senior Software Engineer to enhance our Test Engineering team within the Quality Engineering organization. In this role, you will collaborate closely with cross-functional teams to design and implement cutting-edge test frameworks and tools that ensure the highest quality in our software development processes. Your efforts will empower engineering teams at Reddit to take ownership of quality, driving improvements across our development pipelines. If you are passionate about quality engineering and are ready to make an impact, we want to hear from you!

This is an immediate contract opportunity based in downtown Chicago. We are seeking local candidates who can join our team without delay.Below are the specifics regarding the role.Software Test EngineersThis engagement is scheduled for 6 to 12 months, with a high likelihood of extension. The targeted commencement date is October 1st.Local candidates are required.We are looking for multiple skilled software testers to join our new Enterprise Quality and Release Management Center of Excellence Group. Ideal candidates should possess significant experience in Load and Performance Testing, Automation, Predictive Analysis, and DevOps. Strong communication skills are essential.

Disclaimer: Please be aware that the most precise and updated information regarding our job openings—including job descriptions, compensation, and benefits—can only be confirmed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader.JOIN US IN OUR QUEST TO BECOME THE TOP RETAIL TRADING PLATFORM GLOBALLYWelcome to NinjaTrader, a leader in the trading platform and futures brokerage industry. We empower traders by providing cutting-edge products and services designed to enhance their trading experience. Whether you are an experienced trader or just beginning your journey, NinjaTrader equips you with award-winning software and brokerage solutions to navigate major financial markets with confidence. Since our inception in 2003, our commitment to understanding and supporting traders has driven our growth to over 2 million users, establishing us as the top-rated futures brokerage worldwide. We continue to innovate, pushing the boundaries of the futures industry. Our dedication to providing dynamic tools, real-time support, and a community of fellow traders ensures that users always have access to the best resources available.

Disclaimer: Please be advised that the most accurate and up-to-date information about our open roles—including job descriptions, compensation, and benefits—can only be guaranteed on our official job board. For the latest listings and details, please visit: https://job-boards.greenhouse.io/ninjatrader.JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLDWelcome to the vibrant ecosystem of NinjaTrader! As a premier trading platform and futures brokerage, we empower traders to take charge of their financial futures. By offering state-of-the-art products and services, we enhance the trading experience for everyone, from seasoned experts to newcomers. Our award-winning software equips traders to confidently navigate leading financial markets.Since our inception in 2003, we've been committed to understanding and supporting traders on their path to success, resulting in a user base exceeding 2 million and recognition as the top-rated futures brokerage globally.Our journey of growth is exhilarating, and we are relentless in our pursuit of innovation, continuously pushing the boundaries of the futures industry. Our dedication ensures that users have access to powerful tools, real-time support, and a community of passionate traders.

Jump Trading Group brings together experts in mathematics, physics, and computer science to push the boundaries of research in finance and technology. The company values collaboration, creativity, and intellectual honesty, encouraging team members to challenge themselves and each other while working toward shared goals. Research at Jump not only drives strong returns but also leads to technologies that support startups and research partnerships across industries. About the Core Development Team The Core Development team designs, builds, and maintains the advanced trading platforms that power Jump’s business. This group spans multiple locations and combines software and hardware engineering, data science, and research. Projects range from improving the core trading engine to developing custom hardware, all with the goal of supporting trading operations and strategic objectives. What You Will Do Design, build, and test systems and tools that keep Jump’s trading business moving forward Work closely with traders, quantitative researchers, and fellow technologists to solve complex technical problems Tackle challenges involving CPU architecture, operating systems, networking, and hardware integration Who We’re Looking For Strong problem solvers with a passion for technology and curiosity about how things work Comfortable working in a high-energy setting and collaborating with a diverse team Interest in both software and hardware engineering Locations Roles are available in Chicago, New York, and Austin.

Join our dynamic team in a hybrid capacity at our Chicago office, attending in-person on Tuesdays and Thursdays.Why This Role is Exciting?Become an integral part of the evolution of the Grindr app! As a member of our Android team, you will tackle complex challenges, leverage cutting-edge technologies, collaborate with an exceptional team, and contribute to a unique application that serves the LGBTQ+ community on an unprecedented scale. Grindr is proud to lead the way in innovation within the social media landscape.Role ResponsibilitiesCollaborate effectively with a talented, cross-functional team across various time zones to enhance Grindr's user experience.Navigate multiple work streams and embrace ambiguity as a catalyst for innovative thinking.Drive innovation by utilizing data-driven insights to inform the adoption of new technologies, architectures, and workflows.Enhance your team's technical capabilities; support the adoption of new tools and methodologies.Develop Android applications, demonstrating proficiency in:Kotlin programmingManaging extensive codebases while ensuring clean, well-structured code for ease of understanding, modification, and debuggingOptimizing performance for large, intricate applications to ensure a seamless user experienceDesigning applications with scalability in focusImplement best practices in software engineering collaboration and design patterns, including MVVM, Coordinator, one-way data flow, and modular architecture.What We Value in YouYou take pride in ownership and consider the broader impact of your work within the organization.You possess a minimum of 6 years of experience in developing sophisticated Android applications.Your technical expertise inspires creativity and innovation among your peers.You have experience in product leadership and technical decision-making, able to balance product needs with code quality.You have collaborated closely with various stakeholders to drive project success.

SGS North America Inc. is seeking a dedicated Field Test Engineer to join our dynamic team in Chicago. In this role, you will be responsible for conducting field tests and inspections to ensure compliance with industry standards and specifications. You will work closely with clients and internal teams to ensure project success and client satisfaction. This is an excellent opportunity for an individual looking to grow their career in a supportive environment.

At IMC, we are pioneering the integration of agentic AI into the developer workflow for our key production systems. As a vital member of the Agentic AI engineering team, you will be instrumental in developing agents, MCP servers, and evaluation loops that ensure AI-generated code is reliable, auditable, and expedient to deploy. Collaborating closely with seasoned engineers and platform teams, you will facilitate impactful AI integrations on a large scale.Key ResponsibilitiesEnhance our platform by implementing agents, MCP servers, and supporting services that propose and execute changes to extensive codebases.Assist in the development of retrieval systems that provide AI agents and developers with accurate, real-time context from vast code repositories and design artifacts.Contribute to measuring and refining AI-generated modifications by constructing compile/test/evaluate pipelines (including static analysis, style and safety checks, performance gates, and code reviews).Utilize IMC’s best practices in concurrency, telemetry, configuration hygiene, and performance-sensitive code paths to guarantee that AI outputs are both reliable and idiomatic.Work collaboratively with teammates on experiments aimed at evaluating and enhancing AI-driven workflows.

Join our dynamic team at SGS, a global leader in inspection, verification, testing, and certification services, as a Cellular Test Engineer. In this pivotal role, you will contribute to the development and execution of testing protocols for cellular technologies. You will work collaboratively in a laboratory setting to ensure the highest standards of quality and performance in our testing processes.

Join our dynamic team as a Software Engineer II where you will engage in various aspects of our application alongside passionate engineers experienced in full-stack development. Our Agile scrum teams operate on a two-week sprint cycle and include a dedicated Product Owner, Scrum Master, and 5-7 developers. In your first month, you will undergo comprehensive onboarding, start developing production-grade code, and participate in pull-request reviews, immersing yourself in our collaborative culture.

Join our dynamic team at Sonsoft Inc. as an Automated Testing Engineer specializing in Java EE. In this role, you will be pivotal in ensuring the quality and reliability of our software products through innovative automated testing solutions.Your responsibilities will include designing, developing, and executing automated test scripts, identifying and documenting defects, and collaborating with cross-functional teams to enhance product quality. You will also have the opportunity to work with cutting-edge technologies and contribute to the development of best practices in testing.

Join our innovative team at NinjaTrader as a Staff Test Engineer, where you will play a crucial role in ensuring the quality and reliability of our cutting-edge trading software. You will be responsible for designing, implementing, and executing test strategies to enhance our product offerings. Collaborate with cross-functional teams to identify areas for improvement and ensure that our solutions meet the highest standards. This position offers the flexibility to work from our Chicago office or remotely, allowing you to contribute to our mission of becoming the leading retail trading platform globally.

Join Bitnomial, a leading financial technology firm, as an Exchange Software Engineer. This dynamic role offers the opportunity to work on innovative trading solutions that empower our clients in the cryptocurrency space. You will collaborate with a talented team to develop and enhance our exchange platform, ensuring high performance and reliability.

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.

Role Overview Ripple is hiring a Staff Software Engineer in Chicago, Illinois. This role focuses on building software that advances Ripple’s blockchain technology. The position involves designing and developing applications that scale, perform reliably, and respond quickly to user needs. What You Will Do Develop software solutions that support Ripple’s blockchain products Work closely with teams across engineering, product, and other functions Ensure applications deliver strong performance and responsiveness Apply deep software development experience to solve complex technical challenges Impact This role helps shape the future of finance by building technology that supports Ripple’s mission.

Join Eurofins Scientific as the Director of Business Development for our Consumer Product Testing division in Chicago. In this pivotal role, you will lead strategic initiatives to drive business growth and expand our market presence. Your expertise will be instrumental in developing strong relationships with clients, understanding their needs, and delivering exceptional testing solutions.