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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Partner Integrations - **Company:** TIER TWO, INC. - **Location:** Seattle, WA, United States (Remote available) - **Experience:** Expert - **Salary:** $172,000.0 - $215,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, Big Data, Continuous Integration, Amazon DynamoDB, Fault Tolerance, Github, Gradle, Monitoring of Systems, Java Virtual Machine (JVM), Spring Framework, Junit, Performance Tuning, Queueing Systems, Service-Oriented Architecture, Datadog, Amazon ElastiCache, System Availability, Snowflake, Git, Amazon Relational Database Service, Containerization, 3-tier Architectures, Restful APIs, Terraform, Data Pipelines - **Published:** September 3, 2026 - **Apply:** https://job-boards.greenhouse.io/flex/jobs/4730285005 ## About the Role * Minimum of 6 years experience in software engineering * Minimum of 4 years experience with Java * Ability to work on a globally-distributed team with a high degree of ownership * Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery * Ability to grow in a fast-paced and dynamic environment that will challenge you to always bring your best * Experience building robust, fault-tolerant systems with multiple external dependencies * Experience designing, building, and maintaining data pipelines * Proficient in Java frameworks and tools used at Flex, including Spring (core/web/boot), Gradle, JUnit, and JVM (memory/performance tuning, GC). * Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures. * Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools. Preferred Qualifications * Proficient in CI/CD systems (preferably GitHub Actions), git, and automation. * Skilled in observability and monitoring tools, such as DataDog, to ensure high availability. * Experienced with big data platforms and tooling, including Snowflake. * Proficient in Infrastructure as Code, using tools like CDK and Terraform. * Skilled at elevating team standards through best practices, and mentoring junior engineers. * Excellent written and verbal communicator, with experience in cross-functional collaboration. ## Description Flex is looking for a Senior Software Engineer to join our Partner Engineering organization and help build out our payment integrations platform & user experiences. As a part of our Partner Engineering organization, you will be responsible for the backend systems and services that manage our most important external integrations & power our product. You will work with teams across the organization including Engineering, Product, Design, Infrastructure, Sales, Partner and Customer Success to deliver products that wow our customers partners alike. We expect you to be hands-on and execute work as an individual, and build products that allow for flexibility as we evolve our product offerings. ## Related Videos - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) ## 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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)