Senior Backend Developer
1 week ago
Our client is seeking a highly skilled Senior Backend Developer with strong expertise in Java, API development, microservices architecture, and cloud platforms (Azure or AWS). The ideal candidate has hands‑on experience building scalable backend systems, integrating services, optimizing performance, and leading technical initiatives. Exposure to other backend technologies and willingness to mentor junior developers is a strong plus. Key Responsibilities Design, develop, and maintain high-performance backend services using Java and modern frameworks (Spring Boot preferred). Build and optimize RESTful APIs, microservices, and distributed systems. Architect and implement backend components that meet scalability, reliability, and security standards. Lead technical initiatives, drive solution design discussions, and provide guidance to junior developers. Collaborate with cross-functional teams including Product, QA, DevOps, and Cloud Engineering. Develop cloud-native solutions using AWS or Azure services (Lambda, ECS, EKS, API Gateway, Azure App Services, Functions, etc.). Ensure system performance through monitoring, logging, and proactive optimization. Contribute to design reviews, code reviews, and best‑practice documentation. Integrate backend systems with databases, queues, and third‑party services. Stay current with emerging backend technologies and recommend improvements. Required Qualifications 8+ years of backend development experience, with deep proficiency in Java. Strong experience building REST APIs, microservices, and event‑driven architectures. Proficiency with frameworks such as Spring Boot / Spring Cloud. Experience deploying and building applications on AWS or Azure. Solid understanding of relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB, etc.). Experience with CI/CD pipelines and DevOps practices (GitHub Actions, Jenkins, Azure DevOps, etc.). Familiarity with message brokers (Kafka, RabbitMQ, SQS, EventHub, etc.). Strong problem‑solving skills and ability to take ownership of technical initiatives. Preferred / Nice‑to‑Have Skills Experience with Kubernetes, Docker, and container orchestration. Background in serverless architectures. Exposure to other backend languages (Node.js, Python, Go). Experience with caching technologies (Redis, Memcached). Knowledge of security principles and API authentication methods (OAuth2, JWT). Previous experience mentoring or leading development teams. Rate: $65/hour – $70/hour (depends on experience level). This is a contract to hire position with candidates expected to work 40 hours/ week. #J-18808-Ljbffr
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Backend Developer
4 weeks ago
Chicago, United States Selby Jennings Full timeGet AI-powered advice on this job and more exclusive features. This range is provided by Selby Jennings. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range $145,000.00/yr - $165,000.00/yr A well-funded Insurtech start-up with a cutting-edge AI platform is expanding its US presence and Chicago is...
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Senior Backend Software Engineer
5 days ago
Chicago, United States Fingerprint Full timeSenior Backend Software Engineer (GoLang) at Fingerprint Join to apply for the Senior Backend Software Engineer (GOlang) role at Fingerprint. Get AI-powered advice on this job and more exclusive features. Fingerprint empowers developers to stop online fraud at the source. We work on turning radical new ideas in the fraud detection space into reality. Our...
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Senior Backend Software Engineer
4 weeks ago
Chicago, United States Fingerprint Full timeWe are seeking a Senior Software Engineer to join our Identification this role you will focus on developing maintaining and scaling backend services that power our fraud detection solutions. Your primary responsibility will be building highly performant backend systems and infrastructure that handle large-scale real-time data processing. As a Senior Software...
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Senior Software Engineer, Backend
3 weeks ago
Chicago, United States Affirm Full timeSenior Software Engineer, Backend (Developer Environments) Join the Senior Software Engineer, Backend (Developer Environments) role at Affirm, a company reinventing credit to be more honest, friendly, and accessible. We provide consumers the flexibility to buy now and pay later without hidden fees or compounding interest, and we build the tools and platforms...
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Senior Software Development Engineer in Test
1 week ago
Chicago, United States Itrs Insights Full timeAt ITRS, we make society's critical technology work. Our mission is to deliver automated and holistic IT observability solutions that safeguard critical applications and enable innovation. We are the only monitoring and observability platform designed for the most demanding and regulated industries — trusted by 90% of Tier 1 capital markets firms. We...
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Senior Backend Engineer
2 weeks ago
Chicago, United States Somewear Labs Full timeOverviewJoin to apply for the Senior Backend Engineer role at Somewear Labs.Get AI-powered advice on this job and more exclusive features. This range is provided by Somewear Labs. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range$160,000.00/yr - $185,000.00/yrWhat you’ll doDesign, build,...
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Senior Backend Software Engineer
5 days ago
Chicago, United States Ubiety Full timeWe’re looking for people to help us build the future of Home Security and Smart Home services. Interested? Benefits and Perks Aside from offering a competitive benefits package, we're also committed to fostering an inclusive environment, while providing an opportunity for creating breakthrough technologies that make the world a safer and more intelligent...
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Senior Backend Engineer, Payments
5 days ago
Chicago, United States Attain Full timeSenior Backend Engineer, Payments – Attain Join us to apply for the Senior Backend Engineer, Payments role at Attain. About Attain The Klover Backend Engineering team powers one of the fastest-growing consumer fintech apps in the U.S., with over one million active users every month. Our systems process and move more than $1.5 billion annually – enabling...
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Senior Backend Engineer
3 weeks ago
Chicago, United States Somewear Labs Full timeOverview Join to apply for the Senior Backend Engineer role at Somewear Labs. Get AI-powered advice on this job and more exclusive features. This range is provided by Somewear Labs. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range $160,000.00/yr - $185,000.00/yr What youll do Design, build,...
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Senior Backend Engineer
4 weeks ago
Chicago, United States Somewear Labs Full timeOverview Join to apply for the Senior Backend Engineer role at Somewear Labs. Get AI-powered advice on this job and more exclusive features. This range is provided by Somewear Labs. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range $160,000.00/yr - $185,000.00/yr What youll do Design, build,...
