Back End Developer
Robert Half
We are looking for a Back End Developer to join a collaborative technology team in Wheeling, Illinois. This role focuses on building and maintaining reliable server-side solutions that support business applications and improve overall system performance. The ideal candidate brings strong development fundamentals, works well across teams, and can contribute to scalable web-based platforms in a fast-paced environment.Responsibilities:• Design, build, and maintain backend services that support web applications and internal platforms• Develop efficient server-side logic and integrate application functionality with databases and external services• Partner with front-end developers to ensure smooth communication between user interfaces and backend systems• Write clean, maintainable code and participate in code reviews to support quality and consistency• Troubleshoot application issues, identify root causes, and implement durable fixes• Optimize performance, reliability, and scalability across backend components and APIs• Contribute to technical planning, documentation, and ongoing improvements to development practices
$200k
...toward reliability over raw speed: you build things that don't break \n Comfortable being the first engineer and owning a system end to end \n \n Tech stack / skills \n \n Modern C++\n Low-latency execution and market-connectivity systems \n Market data...Suggested$122.8k - $184.2k
...we are a community of innovators who come together to create new ways of working. United by curiosity and a culture of caring, we develop smart solutions that anticipate our customer’s and partner’s needs and solve their challenges.Being part of Zebra Nation means you...SuggestedFull timeWork experience placementSummer workWork at officeLocal areaFlexible hours3 days per week- Camping World is seeking an IT Integrations Developer to design, build, and maintain interfaces powering our CRM, ERP, POS, and other systems. The role emphasizes backend development, data integrity, and robust APIs in a hybrid Chicago/ Lincolnshire environment. You will...Suggested
$122.8k - $184.2k
...we are a community of innovators who come together to create new ways of working. United by curiosity and a culture of caring, we develop smart solutions that anticipate our customer's and partner's needs and solve their challenges. Being part of Zebra Nation means...SuggestedWork experience placementSummer workFlexible hours- ...systems at scale. By partnering with enterprise-wide teams, you'll develop and maintain full stack solutions that fit our business needs.... ...NexusTesting of Database technologies (Postgres or similar)Full end to end quality tool-set Junit, Cucumber, Jmeter or similar...Suggested
- ...document ingestion, processing, and analysis \n Build and maintain the APIs used by our frontend and internal AI services \n Develop pipelines for PDFs, Office files, email containers, and OCR driven workflows \n Improve performance across database access patterns...Work at office
- ...interested. Thanks!If interested then please send me your latest resume along with current & expected salary.Job Title : Java Full Stack Developer (with experience on Agile XP, UI- Angular.JS or React.JS, IntelliJ -IDE, Github, Spring Framework, MongoDB, Jenkins, docker...Permanent employmentFull timeH1bRelocation
- Job Title Location: Richardson, TX / Buffalo Grove, IL / Scottsdale, AZ Working Model: 3 days a week on-site Project: Modernizing existing legacy applications Modernizing Cloud environment (IaaS/PaaS) Velocity Project Automation of environment Must have skills: Java...3 days per week
- ...Job Title: Java BackEnd Developer Work Location: Deerfield, IL Duration: 8+ Months Job Description: Looking for a Sr. Java Developer to join their IT digital and marketing development team. This person will help assist with a project that involves integrating...
$130k
...Title: Senior Full Stack Developer Location: Rosemont, Illinois - hybrid Type: Contract to hire Rate : $62/hr W2 ; $130,000 conversion... ...across the full product lifecycle. Build modern front-end solutions using Next.js and TypeScript. Develop RESTful APIs,...Contract work$100k - $112k
Senior Backend Engineer– Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-respected...Full timeH1bLocal areaImmediate startRemote workVisa sponsorship$325k
Job Description New York City (4 days onsite) \n Up to $325k base + equity \n \n We're working with a fast-growing fintech infrastructure startup building the technology that enables seamless money movement between traditional finance and crypto. \n \n They...- ...clients consumers. You will build and release reliable software systems at scale. By partnering with enterprise-wide teams, you’ll develop and maintain full stack solutions that fit our business needs. You’ll use your holistic view of all products (and their interactions...
$130k
...Full Stack .NET Developer A global event services company that partners with event planners, hotels, venues, and agencies to deliver events worldwide at large scale. The company is hiring a Full Stack Developer to build and support applications across its tech stack...Full timeWorldwide$244.7k - $279.2k
...community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of developers, machine learning experts, product managers and people leaders. Our Staff Engineers are leading experts in their domains, helping...Full timePart timeLocal area- Company DescriptionSonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled...Permanent employmentFull timeH1b
- Company DescriptionSonSoft is an IT Staffing and consulting firm and duly organized under the laws of the Commonwealth of Georgia. We are growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled...Permanent employmentFull timeH1b
- ...white-label experiences consumed by our platform partners and their end users. \n In this hands-on role, you'll design and build the... ..., and maintain scalable backend services using C#/.NET \n Develop the core infrastructure that powers payment routing, connector...
- ...centers. Experience with Agile Development and Scrum methodologies Must Have At least 5 years of hands-on experience in developing microservices using Spring (Java), Node JS , Kubernetes, Docker, AWS Lambda (Serverless) At least 5 years of hands-on experience...Work at office
- ...excellent reputation with the clients. Currently, We are looking for entry-level software programmers, IT enthusiasts, Python/Java developers, Data analysts/ Data Scientists. We welcome candidates with all visas and citizens to apply. Who Should Apply : Recent...
- ...high-calibre engineering team building the infrastructure behind a sophisticated financial data platform. You'll play a key role in developing scalable APIs, expanding microservices architecture, and helping bring valuable structured data products to market. \n Key...Work at officeRemote work
- ...Job Title: Full Stack Developer Location: Onsite - Deerfield, IL Job Description: We are looking for an experienced Full Stack Developer to join our client's team onsite in Deerfield, IL. The ideal candidate will have a strong background in...
- ...fast feedback loops, and owning the quality of your deliverables end-to-end rather than handing it to a QA group. \n Delivering iteratively... ...reporting, and accounting principles. You should be able to back this up with concrete examples, not high-level familiarity. \n...Work at officeLocal areaFlexible hoursShift work
$160k - $240k
...0–$240,000 base + equity \n Company: Confidential, venture-backed AI startup \n The Opportunity \n What if you could help design... ...build scalable backend services using Go and/or Python. \n Develop infrastructure supporting AI-powered applications and...- PURPOSE/ MISSION OF TEAM: We have identified improvements required in our backend code and infrastructure. We are planning to use AI to implement these improvements, hence the team will work a small unit (together with senior member from existing team) in parallel to the...
- ...Core and C# Hands-on experience with Entity Framework Core (EF Core) and ORM best practices Proven experience designing and developing RESTful APIs and microservices architectures Solid understanding of object-oriented programming (OOP), design patterns, and clean...
$200k - $350k
...\n ~ Strong understanding of databases, data modeling, and system architecture \n ~ Proven experience building complex products end-to-end \n ~ Experience owning meaningful 0→1 engineering initiatives \n ~ Strong product instincts and the ability to make thoughtful...Work at office$60 - $90 per hour
...are seeking a Senior AI Engineer to own production AI systems end to end - not just wire prototypes. This role sits at the intersection... ...through GitHub, Harness, and production. Partner with Agent Developers and AI Solution Architects to land agent capabilities in real...Work at office- ...fast, learn faster, and leave a visible dent in the product every day. \n \n What You'll Do \n \n Architect and ship features end-to-end: from backend pipelines to frontend UX. \n Build tools that CRE brokers use everyday \n Maintain a clean codebase while...Flexible hours
- ...Technology Enabled Services.Job DescriptionPreferred• At least 4 years of experience in Java, J2EE technologies with strong experience in developing J2EE based web application using server technologies including Struts, Spring, Hibernate, Soap/Rest Web Services, • At least 2...Permanent employmentFull timeH1b
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