Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Backend Engineer - Scalable API Solutions

Specializedsoft.com

Specializedsoft.com is seeking a backend specialist to design and deliver scalable backend services and APIs for enterprise clients in Chicago. The role emphasizes reliability and high-performance software solutions. Candidates should have 5+ years of experience with Java, Python, or Node.js, and operate at a mid-senior level within a fast-moving team. You will work across services to build robust APIs and scalable systems. #J-18808-Ljbffr Specializedsoft.com

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Senior Backend Engineer - Scalable API Solutions in Chicago, IL vacancy
  • Ritchie Bros. is seeking a Senior Staff Software Engineer to lead technical execution within Product Engineering, focusing on API-driven services and event-driven architectures....  ...development, performance improvements, and scalable solutions. You will mentor engineers, help... 
    Senior

    Ritchie Bros.

    Westchester, IL
    3 days ago
  • Caterpillar Inc. is hiring a Senior Software Engineer to design, develop, and deliver scalable, secure cloud solutions powering Caterpillar’s digital future. You will build backend APIs and microservices using Java 21+, Spring Boot, and AWS, collaborating with cross-functional... 
    Senior

    Caterpillar Financial Service Corp

    Chicago, IL
    4 days ago
  • A leading tech company based in Chicago is seeking a professional for mobile-first API development and cloud-native backend engineering roles. You will design and build secure, scalable REST/JSON or GraphQL APIs and operate backend services in an AWS environment, ensuring... 
    Senior

    Lorien

    Chicago, IL
    3 days ago
  • $162.2k - $190.82k

    Meet Fetch Engineering: At Fetch, our engineering...  ...ecosystem.As a Senior Software Engineer...  ...performant, reliable backend services that integrate...  ...’s data stores, APIs, and mobile...  ...ensuring stability, scalability, and data integrity...  ...-scoped technical solutions and execute with minimal... 
    Senior
    Full time
    Remote work

    Fetch Rewards

    Chicago, IL
    3 days ago
  • $112.13k - $186.88k

     ...develop learning integrity solutions that recognize the...  ...feedback functionality. The Senior Software Engineer - Backend Services will be responsible...  ...implementing, and maintaining scalable, high-performance backend...  ...Design / implement RESTful APIs and event-driven systems.... 
    Senior
    Remote work
    Home office

    Turnitin

    Chicago, IL
    4 days ago
  • $122.82k - $208.79k

     ...the best products and solutions for our colleagues,...  ...IN THE LIFE: As a Senior Software Engineer, your day will be filled...  ...and implementing scalable software, troubleshooting...  ...development, from backend systems to user interfaces...  ...Typescript, RESTful API integrations,... 
    Senior
    Full time
    Work at office
    Flexible hours

    FIS

    Chicago, IL
    3 days ago
  • $122.82k - $208.79k

     ...to deliver the best products and solutions for our colleagues, clients and communities...  ...the Role: As a Lead Software Engineer with strong back-end expertise,...  ...Java and Spring Boot-based services, APIs, and integrations that power scalable fintech applications, while... 
    Senior
    Full time
    Work at office
    Flexible hours

    FIS Fidelity National Information Services

    Chicago, IL
    4 days ago
  • $115k - $150k

     ...Join to apply for the Senior Backend Engineer role at Halo Investing Join...  ...how protective investment solutions are used worldwide. Headquartered...  ...Ensure the performance, scalability, and security of our...  ...including authentication, restful API design, data pipelining,... 
    Senior
    Full time
    Work at office
    Local area
    Worldwide
    Flexible hours
    3 days per week

    Halo Investing Inc

    Chicago, IL
    2 days ago
  • A leading health diagnostics company is seeking a Software Engineer to design and develop well-structured code and manage the entire product...  ...with a team, and ensuring robust service delivery through API development and testing. Candidates should have 1-3 years in software... 

    Quest Diagnostics

    Chicago, IL
    4 days ago
  •  ...fast-growing SaaS company is seeking a Senior Full Stack Engineer in Chicago. The role focuses on...  ...applications using Flutter while also handling backend development. The ideal candidate has...  ...development, backend systems, and API design. This position offers a competitive... 
    Senior
    Work at office

    Albi

    Chicago, IL
    3 days ago
  • About AttainKlover’s engineering team powers one of the fastest-...  ...closely with colleagues across backend, frontend, data science,...  ...product teams to deliver scalable, high-quality solutions for a rapidly growing user...  ...dataDesign and implement APIs that securely connect to... 
    Senior
    Work at office
    Immediate start

    Attain Data

    Chicago, IL
    2 days ago
  • United Airlines is seeking a Senior Developer to design, build, and maintain operational data solutions and AI-enabled applications. You will work with .NET and React to create scalable datasets, analytics products, and API integrations for cross-team use. The role emphasizes... 
    Senior

    United Airlines

    Chicago, IL
    1 day ago
  • $80 - $90 per hour

     ...client that is seeking a Senior Solutions Architect in Chicago, IL....  ...integration patterns, and engineering standards* Provide...  ...Design, develop, and maintain scalable Python services, APIs, and microservices using...  ...proficiency in Python and backend development using FastAPI... 
    Senior

    KForce

    Chicago, IL
    4 days ago
  • $165k - $195k

     ...facility management with cutting-edge AI solutions that empower enterprise customers to...  ...seeking a thoughtful and versatile Senior Backend Software Engineer to help build and evolve SITE's...  ...models, reliable data models, and stable API contracts. This person will work closely... 
    Senior
    Remote job
    Full time
    Temporary work

    Site Technologies

    Chicago, IL
    1 day ago
  • NinjaTrader is seeking a Senior Solutions Engineer, Evaluation Services in Chicago or Remote, to serve as a technical contact for API integrations. The role requires 5+ years in technical support or solutions engineering, excellent troubleshooting skills, and the ability... 
    Senior
    Remote job

    NinjaTrader

    Chicago, IL
    3 days ago
  •  ...team seeks a seasoned professional to bridge GTM, Sales, and Product, shaping roadmaps and commercializing creative solutions globally. You’ll lead API integrations and coordinate with cross-functional partners across regions to accelerate strategy execution and partner... 
    Senior

    Google

    Chicago, IL
    2 days ago
  • PPRO in Chicago seeks a Senior Solutions Engineer to serve as the technical authority during the commercial lifecycle for enterprise merchants,...  ...connect clients to our network of Local Payment Methods, modern APIs (GAPI), and MoR solutions. You will guide pre-sales... 
    Senior
    Work at office
    Local area

    Roman Health Pharmacy LLC

    Chicago, IL
    5 days ago
  •  ...Role: Senior Solutions Architect Location: Chicago, IL...  ...Angular and .NET/C# API architecture Databricks...  ...across front-end, backend, data platforms, APIs...  ...patterns Ensure scalability, security, governance...  ...Mentoring engineering teams Clear communication... 
    Senior
    Permanent employment
    Full time

    Siri InfoSolutions Inc

    Chicago, IL
    3 days ago
  •  ...We are seeking a Senior AI Solutions Architect to lead the architecture...  ...and development of scalable Generative AI, LLM,...  ...decisions, and engineering best practices. *Provide...  ...scalable Python APIs and microservices using...  ...hands-on Python and backend development experience... 
    Senior
    Temporary work

    PB consulting

    Chicago, IL
    3 days ago
  •  ...need to be moved. We're expanding our engineering team in Chicago, a major hub for our...  ...and real-world constraints, and design solutions that work in practice, not just on paper...  ...command of TypeScript, Node.js, and REST API design, including debugging and integrating... 
    Senior
    Work at office

    FLEETWORKS INC.

    Chicago, IL
    3 days ago
  • $150k - $170k

     ...of Chicago delivering solutions to the research community...  ....Job SummaryAs a senior member of the Globus product...  ..., the Senior Software Engineer, Backend Services will work in...  ...experience building scalable systems to join the...  ...knowledge of principles of API design, asynchronous... 
    Senior
    Full time
    Work experience placement
    Remote work
    Work from home
    Worldwide
    Weekend work
    Afternoon shift

    The University of Chicago

    Chicago, IL
    5 days ago
  •  ...Job Title: Senior Solutions Architect Location...  ...7+ years in software engineering, including 5+ years in...  ...infrastructure Build scalable, secure, and high-...  ...Databricks APIs Azure cloud infrastructure...  ...C# APIs Backend services ASP.NET... 
    Senior
    Contract work

    Talent Software Services

    Chicago, IL
    3 days ago
  • $130k - $150k

    Company OverviewAt Motorola Solutions, we believe that everything starts with our people...  ...our dynamic, agile R&D team as a Senior Backend Java Engineer, where you will serve as a key architectural...  ...Definition & Coordination: Own the APIs for the Device Management Domain,... 
    Senior
    Full time
    Contract work
    Work at office
    2 days per week

    Indigo Vision

    Chicago, IL
    4 days ago
  • Senior / Lead Conversational AI & Digital Payments Solutions Engineer 02/04/2026 Contract Active Job Description Job...  ...engineer will design scalable, secure, and high-...  ...Design and architect API integrations between internal...  ...integrated with backend systems, APIs, and analytics... 
    Senior
    Contract work

    Compunnel

    Chicago, IL
    3 days ago
  • A healthcare technology company is seeking a Senior Machine Learning Backend Engineer to integrate advanced ML solutions into their platform. This full-time position is...  ...infrastructure, particularly AWS. You will design scalable systems and deploy ML models in production to... 
    Senior
    Full time

    Plenful

    Chicago, IL
    3 days ago
  • $100k - $140k

    Senior Software Development Engineer in Test (SDET) - Backend Focus Join us at ITRS, a leader in IT observability solutions for regulated industries, to build robust, scalable backend testing solutions. This role focuses...  ...(distributed systems, APIs, services). Strong programming... 
    Senior
    Work at office
    Remote work

    ITRS

    Chicago, IL
    3 days ago
  • $160k - $180k

     ..., and our Care Professionals. As a Senior Backend Engineer at Honor: You care about building systems...  ...and verbally) into clear, actionable solutions for technical and non-technical...  ...oriented architectures. Experience with API design, distributed systems, and... 
    Senior
    Temporary work
    Remote work

    Honor

    Chicago, IL
    7 days ago
  • A leading technology solutions provider is looking for an IT Software Engineer 5 to lead backend development for a large-scale digital platform. This role involves using...  ...and strong skills in AWS services and RESTful API. This hybrid position offers competitive compensation... 
    Senior

    Cullerton Group

    Chicago, IL
    3 days ago
  • A leading fintech company in Chicago seeks an AI Software Engineer to design and implement AI-powered backend services. You will work in a cross-functional team, collaborating closely with product managers and data scientists. The ideal candidate will have over 5 years... 
    Senior

    Amount

    Chicago, IL
    5 days ago
  • Vizient is seeking a senior backend engineer to design and build scalable backend services, APIs, and platform components powering AI/ML applications. You will collaborate with AI/ML engineers, data scientists, and cross-functional teams to productionize LLMs, RAG pipelines... 
    Senior

    Vizient

    Chicago, IL
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Backend Engineer - Scalable API Solutions. Be the first to apply!