Average salary: $88,990 /yearly

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  •  ...Responsibilities: - Provides subject matter proficiency supporting back-end software development activities. - Applies analytical skills...  ...requirements documents and functional models. - Designs and develops back-end architectures supporting system capabilities and... 
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    MAXIMUS

    Springfield, MO
    4 days ago
  • $40 per hour

    We are looking for a Back End Developer to join our team to train AI models. You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of each model. To apply to this role, you will need to be proficient in either... 
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    DataAnnotation

    California, MO
    4 days ago
  •  ...high-performance and efficient compiled code. Key Responsibilities Develop and maintain the LLVM backend for a custom or existing target...  ...performance, memory efficiency, and code quality. Work on LLVM middle-end transformations and optimizations. Analyze and tune generated... 
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    Worldwide

    MulticoreWare, Inc.

    California, MO
    4 days ago
  • Job Summary: We are seeking a highly experienced Senior Back-End Developer with expertise in Java (Java 8 or above), PostgreSQL, and Google Cloud Platform (GCP) Pub/Sub. The ideal candidate will design, develop, and implement applications to support business requirements... 
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    Flexible hours

    TechDigital Group

    Saint Louis, MO
    2 days ago
  • TLDR LiteLLM is an open-source LLM Gateway with 34K+ stars on GitHub and trusted by companies like NASA, Rocket Money, Samsara, Lemonade, and Adobe. We’re rapidly expanding and seeking our 6th Engineer focused on owning ‘excellence’ for unified API’s across Core LLM’s (...
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    LiteLLM

    California, MO
    a month ago
  •  ...workflows — streaming LLM responses, batch matching jobs, payment processing, and real‑time chat — while maintaining simplicity and developer velocity. This is a high‑ownership role where you’ll make critical infrastructure decisions and set the technical foundation for... 
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    Pear VC

    California, MO
    2 days ago
  •  ...and Mike Walters, American entrepreneurs who previously founded Netwrix, a multi‑billion‑dollar cybersecurity company. You will: Develop API and backend for a high‑load product with numerous endpoints Optimize SQL queries to handle billions of data Do code optimization... 
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    Flexible hours

    Action1 Corporation

    California, MO
    4 days ago
  •  ...architect and deliver high-performance, cloud-native services that power our social care automation platform. As the first senior back-end hire in the U.S., you will: Own critical service design and technical road-mapping; Harden our data pipelines and API layer for... 
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    Remote work

    Gobloominghealth

    California, MO
    4 days ago
  • Software Engineer (Backend Developer) Freedom Technology Solutions Group is seeking a Backend Developer to support our client’s intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging... 
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    Flexible hours
    Night shift

    (EDO) Entertainment Data Oracle, Inc.

    Saint Louis, MO
    1 day ago
  • $180k - $190k

     ...performance, reliability, and code quality through testing, type safety, and strong design practices. Lead code reviews, mentor developers, and promote engineering best practices. Collaborate with Product, QA, and DevOps to deliver secure, observable, high‑quality systems... 
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    Remote work

    Talener

    California, MO
    12 hours agonew
  • A global software solutions company is seeking an experienced LLVM Backend Engineer to design and implement compiler toolchain components. Key responsibilities include optimizing the code generation flow for custom hardware architecture and enhancing performance through...
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    MulticoreWare, Inc.

    California, MO
    4 days ago
  • A leading fintech company is seeking a Senior Software Engineer, Backend to act as a technical leader for their Merchant & Partner Lifecycle team. The role involves designing scalable backend solutions, mentoring engineers, and executing a comprehensive technical strategy...
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    Flexible hours

    Affirm

    California, MO
    1 day ago
  • A tech-driven company is seeking a Senior Software Engineer to build large-scale backend systems that support AI-driven services in the restaurant and hospitality industry. This fully remote position requires over 5 years of experience, strong skills in scalable system ...
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    Remote job

    Djinni

    California, MO
    12 hours agonew
  • A leading tech company is seeking a Senior Software Engineer to build large-scale backend systems powering AI-driven services for the hospitality industry. Candidates should have over 5 years of software engineering experience and strong skills in designing scalable backend...
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    Remote job
    Flexible hours

    Djinni

    California, MO
    2 days ago
  • $169k - $240k

     ...Engineer to work on backend systems, contributing to the Partner Merchant Interface team. In this remote position, you will design, develop, and maintain APIs while collaborating with cross-functional teams. The ideal candidate has over 5 years of experience, proficiency... 
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    Affirm

    California, MO
    4 days ago
  • A financial technology company seeks a Software Engineer II to develop backend systems in a collaborative environment. You will be responsible for delivering high-availability and low-latency systems while supporting the wider product team. The ideal candidate has experience... 
    Remote job

    Affirm

    Saint Louis, MO
    4 days ago
  • $169k - $240k

    A financial technology company is seeking a passionate Senior Software Engineer to improve money movement and banking integration systems. The role involves building APIs, collaborating cross-functionally, and mentoring junior engineers. Applicants should have 4+ years ...
    Remote job

    Affirm

    California, MO
    4 days ago
  • An innovative company is seeking a skilled Software II Developer to join their remote team. This role focuses on Drupal website development, where you'll create and enhance web applications, ensuring they meet stakeholder needs. You'll engage in all stages of software development... 
    Remote job

    ESR Healthcare

    Saint Louis, MO
    13 hours agonew
  • Job Summary : We are seeking experienced Senior Backend Developers with a strong background in Java and microservices. The ideal candidates...  .... Understand and implement non-functional requirements such as end tracing and system monitoring. Qualifications: 8-15 years of... 

    TechDigital Group

    Saint Louis, MO
    3 days ago
  • $60 per hour

    A leading AI development firm is seeking proficient programmers to advance AI systems remotely, with the flexibility to set your schedule. Responsibilities include solving coding problems, writing quality code for AI training, and evaluating AI-generated code. Required ...
    Remote job
    Hourly pay

    DataAnnotation

    Louisiana, MO
    2 days ago
  • Skills Matrix Skill Last Used Experience in Years/month Rating (10 points) 1 = newbie 10 = expert Hands on Exp. Yes/No Springboot Microservices Kafk JPA/ Axon We are specifically looking for Senior Software Engineers who possess expertise...

    Omni Inclusive

    Saint Louis, MO
    22 hours ago
  • A leading AI tech company in the U.S. is seeking a Senior Backend Engineer to develop backend systems for mobile and web applications. This role involves designing ML infrastructure, collaborating with cross-functional teams, and optimizing for performance and reliability... 

    Voiceflow

    Louisiana, MO
    3 days ago
  • A leading digital healthcare provider in California is seeking an experienced Software Engineer to build innovative backends for mobile applications. The ideal candidate will have 7+ years of experience in Ruby or Python, knowledge of relational databases, and strong collaboration...
    Remote job
    Flexible hours

    Omada Health, Inc.

    California, MO
    12 hours agonew
  • A leading technology company in St. Louis, Missouri, is seeking a Software Engineer (Backend Developer) to enhance client intelligence analysis products. The role involves software development, automation, and operational efficiency using agile methodologies. Ideal candidates... 
    Flexible hours

    (EDO) Entertainment Data Oracle, Inc.

    Saint Louis, MO
    1 day ago
  •  ...on experience with Java version 11 Exp with Spring Boot and Spring Batch Oracle SQL DB Experience with Kafka Developing in cloud (they use all the big vendors, MS, AWS, PCF) Soft skill requirements: ~ Open with communication and sharing... 

    ShiftCode Analytics

    Saint Louis, MO
    22 hours ago
  • • Strong Java developer with very good understanding of micro services. • Grasp of software engineering skills in modular design, data structures, algorithms • Deep knowledge and hands on experience with modern applications like spring boot, Angular. • Experience... 

    United IT Solutions

    Saint Louis, MO
    2 days ago
  • A leading financial services company is seeking an experienced backend software engineer to contribute to architectural transformation. In this role, you will design scalable systems for merchant lifecycle orchestration, mentor engineers, and execute complex technical strategies...
    Remote job

    Affirm

    Saint Louis, MO
    13 hours agonew
  • A leading technology company is seeking a Principal Backend Engineer for its Yahoo Sports team in California, United States. This role requires over 10 years of experience in Java and Python development, alongside strong skills in server-side API programming, CI/CD pipelines...
    Flexible hours

    Yahoo Inc.

    California, MO
    2 days ago
  •  ...distributed sources. Responsibilities: Design and implement analytical platforms that provide insightful dashboards to customers. Develop and maintain data warehouse schemas, such as star schemas, fact tables, and dimensions, to support efficient querying and data access... 
    Work experience placement

    StartX

    California, MO
    1 day ago
  •  ...Overview: Java Backend Developer Job Description: We are looking for an experienced Java Backend Developer to join our team and contribute to building high-performance, scalable, and reliable applications. The ideal candidate will have strong expertise... 

    Purple Drive

    Saint Louis, MO
    1 day ago