Senior Java API & Kafka Platform Engineer
$45.5 - $65 per hourTechnology Partners
Technology Partners is currently seeking a talented Digital Data Platform Java Developer. Do you have experience developing RESTful APIs with Java Spring Boot, working with Confluent Kafka, and implementing Kafka Streams? Let us help you make your next big career move a reality! What You Will Be Doing: You will be an integral member of an Agile team within the API development group, working closely with other developers and testers to deliver high-quality, scalable solutions. Your role involves writing and modifying Java Spring Boot APIs to support the implementation of new features and changes for the Digital Data Platform (DDP). You will collaborate in sprint planning, troubleshoot tickets, and support the deployment of new capabilities. The position is a 3-month Contract-to-Hire engagement, with the potential for extension based on project needs. Key Responsibilities: • Develop, enhance, and maintain Java Spring Boot APIs aligned with project requirements. • Partner with team members to troubleshoot and resolve technical issues rapidly and efficiently. • Build and optimize real-time data streams utilizing Kafka Streams for event-driven processing. • Collaborate with architects and product owners to translate business needs into technical solutions. • Contribute to the design and implementation of cloud-native APIs and microservices. • Automate API deployment and integration tasks using relevant tools and best practices. • Support overall API security, performance tuning, and scalability goals. • Assist in troubleshooting production incidents and participating in root cause analysis. Required Skills & Experience: • 7+ years of professional experience in Java development, with expert knowledge of object-oriented programming, design patterns, multi-threading, and JUnit testing. • 7+ years of hands-on experience designing and developing RESTful APIs using Spring Boot, including Spring Security and Spring Cloud. • 5+ years of experience working with Confluent Kafka, including setting up brokers, schema registry, Kafka Connect, and tuning performance and security. • 3+ years of hands-on experience with Kafka Streams or other real-time stream processing technologies. • Experience with Node.js for scalable backend API development, along with strong JavaScript proficiency. • Familiarity with MongoDB, Redis, and cloud technologies such as AWS, including Lambda, ECS, S3, SQS/SNS, and CloudWatch. • Practical knowledge of Infrastructure as Code (IaC) using Terraform and experience with CI/CD pipelines and DevSecOps practices. • Bachelor’s degree in engineering, mathematics, computer science, or a related field. Desired Skills & Experience: • Experience with Python scripting for automation and data pipelines. • Familiarity with front-end frameworks like React or Angular. • Cloud-native experience with EKS/ECS, API Gateway, IAM, and related AWS services. • Knowledge of Load and Performance testing methodologies for APIs. • Exposure to Agile/Scrum methodologies and collaborative development environments. Pay: $45.50 – $65.00/hr. Keywords: Java Spring Boot, Kafka Streams, Confluent Kafka, REST API, Microservices, Agile, AWS, Data Streaming, Cloud Native, API Development We are interested in every qualified candidate who is eligible to work in the United States. However, we are not able to provide sponsorship at this time or accept candidates who would require a corp-to-corp agreement. If this position sounds like you, WE SHOULD TALK! Your better future is ready, and we want to put the right tools in your hands to get you there. Let's go! Looking for more opportunities with Technology Partners? Check out technologypartners.net/jobs ( All offers of employment at Technology Partners are contingent upon clear results of a thorough background check and drug screening that meet corresponding laws and regulations at the city, state and federal level. Pay ranges are influenced by candidate qualifications, experience, and role specifics, with the actual rate determined considering skills, market conditions, and are subject to change by the employer; pay negotiations follow all state and federal legal guidelines. #J-18808-Ljbffr
- A global consulting firm seeks a Senior Application Designer and Developer to support clients in business transformation through technology... ...in software development. This role requires expertise in Java, Python, and cloud technologies, as well as excellent communication...SeniorJavaRemote work
- ...Senior Hybrid Cloud Platform Engineer Whether running countries, corporations, or courtrooms, our clients bear... .... Strong understanding of cloud APIs and interaction with the AWS/CLI.... ...working with one or more Python, Ruby, or Java. Experience with virtualization technologies...SeniorJava
$102.5k - $187.9k
...throughout the engagement. As a Senior Application Designer and... ...and implement robust APIs and microservices using Java, Python, FastAPI and OpenAPI... ..., and optimize platform performance and reliability... ...guidance and coaching to other engineers Strive to be at the forefront...SeniorJavaSummer holidayFlexible hours- ...focus on designing and developing enterprise solutions using Java and Spring Boot, with 10+ years of IT experience. You will be... ...native architectures and must have hands-on experience with AWS, Kafka, and API design. Excellent communication skills and problem-solving...SeniorJava
- ...A leading tech firm is seeking a Lead Golang Software Engineer based in Austin, TX. This role requires extensive experience in Golang and Java, including strong skills in AWS, Docker, and Kubernetes. You will manage the software development lifecycle by developing microservices...SeniorJava
- ...you know about the job opportunity for Senior / Lead Java Developer position if interested please... ...Design, develop, and maintain backend APIs and services. Collaborate with cross... ...Microservices Docker, Kubernetes Kafka, Splunk Camunda (preferred)...SeniorJavaLong term contract
- Senior Hadoop Developer to develop, create, and modify... ..., Spark, Scala, Kafka etc.). Perform data acquisition... ...from diverse data platforms into Hadoop platform.... .... Develop and deploy API services in Java Spring. Create Hive... ...Computer Science, Engineering, or any related field...SeniorJavaWork from home
- ...About the job Senior Java Engineer - Saint Louis, Missouri Were Looking For A Senior Sofware... ...with third party systems using APIs Ensure frontend application optimization... ...Spring boot, relational database Kafka AWS Microservices Practical experience...SeniorJavaContract workWork at officeWork visaShift work3 days per week
- ...Senior-Level QA Engineer / SDET An accomplished Senior-level QA Engineer... ...validation, backend/API testing, ETL QA, and... ...using Python, Java Creates highly parallel... ..., Snowflake, Airflow, Kafka, AWS Automates and... .../MFT Cloud & Infra Platforms: Cloud Kubernetes, AWS...SeniorJavaShift work
- London Stock Exchange Group seeks a Senior Engineer in Site Reliability in St. Louis, United States... ...performance for a critical FX trading platform used by major financial institutions.... ...in a technical field and experience with Java, Python, and cloud platforms are required...SeniorJava
- ...Technologies, LLC, a St. Louis, MO IT consulting firm, is looking for a Senior Systems Analyst with: BS in Computer Science, Computer Applications, or Mathematics; 5 years of experience in TIBCO, JAVA RESTful API, and Oracle. Candidates may be asked to provide services at...SeniorJava
$107.9k - $195.05k
...A technology services company is searching for a Backend Engineer in St. Louis, MO. The ideal candidate will have 8-12 years of experience in Java or Python backend development and strong skills in API design and SQL. Responsibilities include designing backend services...SeniorJava- ...Senior Developer Position Need senior resource, average... ...: Spring Boot Cloud (Java Microservices with... ...Camunda (this is a rule engine. Exp with Drules will also... ...Spring, JPA, Hibernate, Kafka, Oracle, WebLogic EJB... ...EJB), Microservice based architecture (RESTful api)...SeniorJava
$100k - $120k
...JAVA API • Hands on coding, need to clear coding test, Lead the design and development of robust, scalable, and maintainable backend systems, ensuring adherence to high and basic design principles • Lead database architecture and optimization efforts, with a focus...Java- ...Senior Java Full Stack + React Location: Southfield, MI, Austin, TX... ...for a talented Java Fullstack Engineer with expertise in Java 8,... ...strong understanding of cloud platforms like GCP, PCF, or Openshift.... ...Develop and consume RESTful APIs using Springboot, create Controller...SeniorJavaWork at officeLocal area
- ...work with the latest tools and platforms, and experience the... ...are seeking a highly skilled Senior Software Engineer with robust expertise in C++... ...including SDKs, third‑party APIs, testing tools, and bench systems... .... Proficiency in Python and Java. Experience in the aerospace...SeniorJava
- ...create innovative backend services that leverage Esri's products and APIs. You will develop APIs and automation tools, maintaining high... ...years of backend development experience, is skilled in Python and Java, and holds a bachelor's degree in a technical field. Essential...SeniorJava
- Job Summary : We are seeking experienced Senior Backend Developers with a strong background in Java and microservices. The ideal candidates will have 8-15 years... ...and CIS for UAT and testing. Monitor and optimize API performance and resource consumption. Build dashboards...SeniorJava
- ...Senior Java Engineer job at IT.HR Recruitment Agency. Saint Louis, MO. For our client, a rapidly growing international consulting company specialising... .... Integrate new features with third-party systems via APIs. Optimize and ensure responsiveness of frontend applications....SeniorJavaContract work
- ...Strong hands-on experience in Java and Spring Boot (must-have)... ...) Experience building REST APIs and business logic for high-transaction... ...experience in performance engineering within distributed systems... ...with event-driven architectures (Kafka, RabbitMQ, or similar)...SeniorJava
$126.65k - $171.35k
...seeking Back-End Software Engineer (Experienced or Senior) to lead our Model-Based Engineering... ...services. You will design APIs, create data processing and... ...software development (Java, Spring, Oracle SQL, SQL... ...or Python ~ Familiar with Kafka, NiFi, Redis, or RabbitMQ...SeniorJavaPermanent employmentWork experience placementCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift- ...Senior Java Developer St Louis, MO (Onsite from day 1) Interview Process: 3 rounds will... ...of micro services. Grasp of software engineering skills in modular design, data... ...systems. Solid understanding of modern API design and Restful principles. Fluent...SeniorJavaWork experience placement
- ...Java Senior Developer St. Louis, Missouri (Hybrid) Mandatory Areas Must have skills. Java/JEE, Spring, Spring boot, REST/SOAP... ...service models Strong knowledge in creating and working with APIs Experience with Cloud services, specifically on Google cloud...SeniorJava
- ...onboard banks/card issuers. Technical requirements: -Java - api development -spring boot framework Soft skill... ...Experience • Thorough knowledge and understanding of Software Engineering Concepts and Methodologies is required. • Minimum 5 years of...SeniorJavaWork experience placement
$49 - $70 per hour
...currently seeking a talented Senior Software Engineer (Cloud Data Engineering). Do... ...pipelines usingPython, Scala, or Java. Strong troubleshooting... ...supporting Azure Functions and APIs. Background in Azure, AWS, or other public cloud platforms. Experience with Event Hubs,...SeniorJava- ...submit button and follow the next steps. We are seeking a Senior Platform Engineer to drive the evolution reliability and automation of our... ...objectives. Experience in languages such as Python Bash Java Go JavaScript and/or Demonstrable cross-functional knowledge...SeniorJavaFull timeTemporary work
- ...Software Engineering Senior Advisor Perfict Global is a leading IT consulting services provider... ...MUST HAVES: ~ Design components in java springboot framework, AWS Lambda, Eventbridge... ...DynamoDB table or requests via Amazon API Gateway ~5+ years of AWS Eventbridge,...SeniorJava
- ...Application Development Senior Advisor Cigna-... ...degree in Computers or Engineering and 5 years of experience... ...GVP and Genesys Desktop; Java Development including VXML... ...; MongoDB; Kafka; Rabbit MQ; Redis; Postgre... ...Splunk, and Grafana; KORE Platform; and Nuance. If you...SeniorJavaLocal areaRemote workWork from home
$140k - $200k
...Overview We're looking for a Senior Software Engineer to join our Core Experiences... ...s product experience across platforms. It is a critical role for... ...about designing clear, reliable APIs and simple systems that... ...Stack: Kotlin Multiplatform (Java experience is OK but role is...SeniorJavaRemote work$65.1 - $93 per hour
...currently seeking a talented Senior Quality Assurance Test Automation Engineer. Do you have experience... ...based big data analytics platforms? Let us help you make... ...integration, regression, API, performance, and usability... ...Redshift Experience with Java, Selenium, Python, JupyterLab...SeniorJava
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Java API & Kafka Platform Engineer. Be the first to apply!
- java web developer Saint Louis, MO
- senior java developer Saint Louis, MO
- java developer remote part time Saint Louis, MO
- full stack java developer Saint Louis, MO
- java spring developer Saint Louis, MO
- sr.java developer Saint Louis, MO
- java microservice developer Saint Louis, MO
- java developer Saint Louis, MO
- senior java software engineer Saint Louis, MO
- java software engineer Saint Louis, MO

