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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Developer - Mid-Level - **Company:** Spectraforce - **Location:** Ann Arbor, MI, United States - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Application Performance Management, Automation of Tests, Big Data, Client/Server Application Language (C/AL), Cloud Computing, Code Review, Data Security, Relational Databases, Linux, Spring Framework, Enterprise Messaging Systems, Object-Oriented Software Development, Software Engineering, Software Systems, Data Streaming, Software Application Programming, Backend, Event Driven Architecture, Information Technology, Deployment Automation, Data Analytics, Restful APIs, Software Version Control - **Published:** September 24, 2026 - **Apply:** http://leoforce.us/Careers/Spectraforce/JobDetails.html?jobid=b80eda13-3382-4bf7-8fd7-bcf68a56a781&OrgId=1&UserId=5606 ## About the Role * 4+ years of professional software development experience. * 4+ years of experience developing applications using Java. * Strong understanding of object-oriented analysis and design principles. * Experience designing, developing, and supporting backend services and RESTful APIs. * Experience building and supporting distributed or client/server applications. * Experience working with Spring Framework and related technologies. * Experience developing and supporting applications in Linux and/or Windows environments. * Experience with source control, automated testing, build, and deployment tools. * Experience with relational databases and data access technologies. * Experience with messaging technologies and event-driven architectures. * Experience analyzing and improving application performance, scalability, and reliability. * Demonstrated ability to independently own features from design through production support. * Demonstrated ability to troubleshoot and resolve moderately complex technical issues. * Experience participating in code reviews and technical design discussions. * Experience working within Agile development teams. * Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Preferred Qualifications * Experience working with real-time streaming or market data systems. * Experience developing financial services, trading, or other data-intensive applications. * Familiarity with cloud platforms and modern software delivery practices. * Strong written and verbal communication skills. ## Description We are looking for a Software Engineer to join the thinkorswim Charting team. In this role, you will design, develop, and support backend services that power charting, market data, and analytics capabilities used by active traders every day. You'll work closely with engineers, product owners, and technology partners to deliver scalable, reliable, and high-performance solutions in an Agile environment. This is an opportunity to contribute to a highly visible platform while growing your technical expertise and taking ownership of features from design through production support., * Design, develop, test, and maintain backend services supporting charting and market data applications. * Participate in all phases of the software development lifecycle, including requirements analysis, design, implementation, testing, deployment, and support. * Collaborate with product owners, business partners, and engineering teams to deliver high-quality software solutions. * Design and implement APIs and service integrations that support internal and client-facing applications. * Analyze and resolve application defects, production issues, and performance bottlenecks. * Participate in code reviews and contribute to engineering standards and best practices. * Support release activities and help maintain system stability, availability, and performance. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries)