Backend Developers (Jr-Sr)
Aqua IT
Overview We have several openings at multiple levels (Jr-Sr). As a developer on our team, you will build software leveraging Esri’s products and APIs to build core backend services that solve complex problems at a global scale. From building intuitive AI web interfaces to writing Python for geoprocessing tools and AI agents, you’ll be exposed to the full development lifecycle and cutting-edge GIS solutions. Responsibilities Build backend services that power geospatial processing, automation, and user-facing capabilities Develop APIs, proxies, and integration services using Node.js and Python Create and maintain backend tooling that extends ArcGIS Enterprise in containerized environments Develop and maintain geoprocessing services, automation scripts, and operational workflows Build connectors and ingestion pipelines across diverse enterprise data sources Support deployments across cloud-native and on-prem environments Improve reliability and performance through API design, testing, monitoring, and observability Collaborate with platform, DevOps, and GIS teams to translate requirements into production solutions Requirements US citizenship with Active or Current TS/SCI clearance 2+ years of industry experience as a backend software engineer or equivalent practical experience Hands‑on experience developing backend services using: Python Java (for enterprise integrations and services) Experience designing and building REST APIs and service‑based architectures Experience extending or integrating with ArcGIS Enterprise or similar enterprise geospatial platforms Familiarity with: Proxies and middleware services Automation of GIS or data processing tasks Experience working in containerized environments (Docker, Kubernetes, or similar) Solid fundamentals in: Testing and debugging distributed services Strong problem‑solving, communication, and collaboration skills Bachelor’s degree in computer science, engineering, GIS, or related technical field (or equivalent practical experience) Preferred Qualifications Master’s in Computer Science, Mathematics, Geographic Information Systems (GIS), or STEM related field CompTIA Security + certification Experience with containerization technologies such as Docker and Kubernetes Familiarity with cloud platforms (Azure, AWS, or GCP) Experience with monitoring, logging, and observability tools Exposure to DevSecOps practices and secure development pipelines Experience with ArcGIS Enterprise SDKs, automation frameworks, or platform extensions Experience building services for geospatial analysis, data pipelines, or map services Familiarity with enterprise authentication, proxies, and secure service architectures Experience with relational and spatial databases (PostgreSQL/PostGIS, SQL Server, etc.) Exposure to event‑driven architectures, batch processing, or distributed data workflows #J-18808-Ljbffr Aqua IT
- Aqua IT in St. Louis, Missouri, is looking for a developer to create innovative backend services that leverage Esri's products and APIs. You will develop APIs and automation tools, maintaining high performance and reliability in geospatial processing solutions. The ideal...SeniorJunior
- Overview: We have several openings and are looking for engineers at all levels (Jr-Sr). In this position, you will develop visualization software to understand data where proximity and location matter. Your work will help developer communities re-imagine the capabilities...SeniorJunior
- All Jobs • Cyber Security Engineer (Jr-Sr) Overview We have several openings at multiple levels (Jr-Sr). This role focuses on cybersecurity engineering, risk management, and compliance across cloud and on-prem systems, supporting system authorization, vulnerability management...SeniorJunior
- Overview We have several openings at multiple levels (Jr-Sr). The Geospatial Engineer supports mission‑critical Intelligence Community... ...analysis and GIS processing using ArcGIS and related Esri products Develop and maintain automated workflows and scripts using Python and...SeniorJuniorRemote work
- ...Freedom Technology Solutions Group is seeking a Software Engineer (Backend Developer) to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and emerging client capabilities...SuggestedFor contractorsWork at officeFlexible hoursNight shift
- ...Senior Backend Engineer We are seeking a Senior Backend Engineer to join our Clinical Transformation Workflow team. This role involves... ...post-surgery follow-ups. The engineer will primarily focus on developing backend APIs for our front-end applications, ensuring seamless...Senior
$130k - $160k
...Senior Backend Software Engineer Location: Gaithersburg, Maryland; Alexandria, VA; Chantilly, VA; Aurora, CO; St. Louis, MO; Tucson... ...on this effort will work with cross-functional teams to design, develop, and deploy impactful capabilities while helping shape the...SeniorFull timeRemote work- 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...SeniorFlexible hours
- ...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...SeniorFlexible hours
- ...About the role Seeking a Junior Backend Software Developer to join the OST FS2 Aero team in Saint Louis, MO. This role focuses on supporting and enhancing backend systems for aeronautical navigation using cloud and web technologies. The ideal candidate is eager to...Afternoon shift
$106.4k - $133k
...conditions. We strive to build a profitable, growth company that's also a great place to work. Key Responsibilities Design, develop, and implement custom software and database application capabilities for a variety of legacy and modernized systems with limited oversight...SeniorPermanent employmentFull timeWork experience placementH1bVisa sponsorshipShift work- ...Intelligence Agency (NGA) is seeking a talented and motivated Full Stack Developer to join its cutting-edge development team. This role will... ...solutions. Key Responsibilities Build robust APIs and backend services leveraging SQL and NoSQL databases. Integrate with AWS...Senior
- ...support process improvement, specialized studies, and definition of requirements. - Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architecture, and other related...SeniorMinimum wageContract workTemporary workWork experience placement
- ...scrum terminologies| development process and working in location independent agile teams. Essential Skills: Java Developer Desirable Skills: Backend Development| JAVA 8| Srpringboot| Micro Services| Cloud Native Architecture| CICD| DevOps Exp| Event Driven...Senior
- An innovative company is on the lookout for a Senior Back-End Developer to join their dynamic team. This role offers the opportunity to work with cutting-edge technologies, including Java and Google Cloud Platform. You will be responsible for designing and implementing...Senior
- ...framework fundamentals Excellent in Algorithm and OOPS concepts Ability to write programs with optimized solutions Strong in C#.net backend development Excellent understanding of distributed systems and service-oriented architecture Excellent understanding and should...SeniorTemporary workWork experience placementRemote work
- ...Jr. SQL Developer Saint Louis, Missouri - Onsite Locals and W2 Candidates Only Typical Day / Task Breakdown ~10% Analysis & Requirements Review ~60% Coding & Development ~20% Validation Testing ~10% Documentation Key Responsibilities...JuniorLocal area
- ...Skills & Experience Strong hands-on experience in Java and Spring Boot (must-have) Proven experience in designing and developing backend applications and microservices (not just supporting or troubleshooting) Experience building REST APIs and business logic...Senior
- ...Sr. Pega Developer Location: St. Louis, MO Duration: 12+ Rate: DOE U.S. Citizens and those authorized to work in the U.S. are encouraged... ...~2 environments years of development using Oracle backend preferred ~ Experience in Pega Integrations with external...Senior
- ...industries ensures our services are customized to meet specific needs. For more details please visit our website Job Description Position: Jr. Validation Engineer Location : St. Louis, MO Contract type: Contract Description : Temporary, entry-level position to mitigate...JuniorPermanent employmentContract workTemporary work
- Greymatter Innovationz is seeking a Rust Developer in St. Louis, MO, focusing on system architecture, performance tuning, and security in fintech. The role involves designing robust back-end services and optimizing for low latency and high concurrency. Ideal candidates...
$100k
...have an excellent reputation with the clients. Currently, We are looking for entry-level software programmers, Java full-stack developers, Python/Java developers, Data analysts/ Data Scientists, and Machine Learning engineers for full-time positions with clients....JuniorFull timeH1b$107.9k - $195.05k
...If you've spent the last few years building your expertise in backend engineering, Java or Python development, and mission-driven systems... ...-making. You'll design and build scalable backend services, develop RESTful APIs, integrate complex data sources, and ensure system...Local areaImmediate start- ...Overview Jr. Enterprise Watch Officer St. Louis, MO Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If...JuniorWork at officeImmediate startWork from homeHome officeShift workDay shift
- ...problems, ensuring operational excellence and fostering a culture of quality. The ideal candidate has a solid background in mobile architecture, JavaScript/TypeScript, and backend systems development, with a proven track record of engineering leadership. #J-18808-LjbffrSeniorRemote work
- ...Jr. Account Manager Role/Overview Account and client support • Support assigned accounts by assisting with day-to-day client needs • Help maintain positive, professional relationships with client contacts • Respond to routine client inquiries under the guidance...Junior
$60k - $75k
...accurate review and analysis of defined cost and schedule elements, and timely and accurate document production. Key Responsibilities Develop, monitor, track, analyze, forecast, and report on project budgets, estimates to complete, commitments, expenditures, project...JuniorFull time- ...Senior Full-Stack Developer Location: St. Louis, MO, Atlanta, GA and Minneapolis, MN (Candidate should relocate after 3 months any of... ...Focus on Front End (JS, Angular 6.0 and above) and Moderate Java Backend Skills Details of the role: 6-8 Years of Experience....SeniorTemporary workRelocation
- ...Sr. Quality Assurance Analyst Location: St Louis, MO Duration: 12 months Evaluate... ...integration and execution model. Developing, executing, and maintaining automation test... ...suites for GUI Front End, and Database backend. Documenting, maintaining, and monitoring...Senior
- Junior Assistant Manager - East St. Louis, IL Rainbow USA is recognized as one of the fastest growing junior, kids, plus, and petite, specialty apparel retail chains and has grown to over 1,000 retail stores! We have multiple retail lines that pride themselves...Junior
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