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Scala Developer- Kafka , Graph QL , Restful - Denver CO - Local 2-3 days in office

Optimus Labs USA

•

Denver, Colorado, USA

Contract, Third Party

Scala Developer- Kafka , Graph QL , Restful - Denver CO - Local 2-3 days in office Requisition Name: C&D E-CMT-Scala Developer Start Date: 6/30/2025 Duration: 26 Weeks Services Location: CO/Denver Hybrid work Description Of Services: Design and develop RESTful and GraphQL APIs using Java and Scala Build event-driven services and microservices that produce and consume messages via Apache Kafka Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play Ensure reliable, fault-t
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Posted 18 days ago | Updated 5 days ago

Mobile Developer / Flutter Developer

Apexon

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Remote

Full-time

Role: Mobile Developer / Flutter Developer Location: REMOTE Required Skills: We are seeking a highly experienced Senior Flutter Developer with a strong background in mobile app development.Hands-on experience using Flutter/Dart and Firebase.Experience in publishing applications on Google Play Store and the App Store.Understanding of mobile architecture patterns and knowledge of Provider and GetX.Familiarity with REST APIs and testing practices.
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Posted 6 days ago | Updated 1 hour ago

Scala Developer-Remote

mProgen

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Remote or Denver, Colorado, USA

Contract

Denver, CO US 100% Onsite Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contracts and integration patternsContribute to code quality, t
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Posted 6 days ago | Updated 5 hours ago

Java developer with Xstore POS software

Alphosoft Inc

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Remote

Contract

Java Developer focused on the development, integration, and implementation of Xstore POS software Essential skills and experience Strong Java Development Skills: Expertise in Java, including core concepts, object-oriented design, and experience building enterprise applications.Oracle Xstore POS Experience: In-depth knowledge and hands-on experience with Oracle Xstore Point of Sale development, including configuration, customization, and deployment.Web Technologies: Familiarity with Web Applicati
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Posted 5 days ago | Updated 5 days ago

Immediate Need!! Scala Developer_Denver, CO (Onsite)

Srinav Inc.

•

Denver, Colorado, USA

Third Party, Contract

Greetings from SRINAV INC. Kindly find the below requirement and share your interest. Position :Scala Developer Location : Denver, CO (Onsite) Duration : Long TermDesign and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling,
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Posted 5 days ago | Updated 10 hours ago

Sr. iOS Engineer

SES

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Remote

Full-time

Systems Engineering Services is seeking a iOS Engineer based out of the DMV area. Top 5 Technical Skills: Strong understanding of Swift, Objective-C, Xcode, iOS SDKs, and other related tools and technologies Experience with mobile application architecture and design patterns (e.g., MVC, MVVM) Proficient with Swift, SwiftUI, UIKit Experience with RESTful APIs to connect iOS applications to back-end services A solid understanding of Apple s design principles and interface guidelines Work efficient
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Posted 4 days ago

Senior iOS Engineer

SES

•

Remote

Contract

Top 5 Technical Skills: Strong understanding of Swift, Objective-C, Xcode, iOS SDKs, and other related tools and technologies Experience with mobile application architecture and design patterns (e.g., MVC, MVVM) Proficient with Swift, SwiftUI, UIKit Experience with RESTful APIs to connect iOS applications to back-end services A solid understanding of Apple s design principles and interface guidelines Work efficiently with the iOS SDK, REST, JSON, API, Objective-C, Swift, Xcode Top 3 Soft Skills:
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Posted 4 days ago

Scala Developer

Srinav Inc.

•

Denver, Colorado, USA

Contract, Third Party

Role: Scala DeveloperLocation: Denver, CO US 100% OnsiteDuration: Long termJD : -Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contract
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Posted 4 days ago | Updated 11 hours ago

.NET Backend Developer (AI Chatbot Integration) - W2

Imetris Corporation

•

US

Contract

No C2C- Only W2 Do not submit if you dont have - hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow Job Description: We are looking for a .NET Backend Developer with hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow. The role focuses on building scalable backend APIs and microservices while enabling intelligent real-time chatbot responses. Must-Have Skills: Soli
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Posted 13 days ago | Updated 8 hours ago

Security Architect

SES

•

Remote

Full-time

Systems Engineering Services is seeking a Security Architect based out of the Denver CO area. Top 5 Technical Skills: Extensive experience designing & building secure cloud-native solutions, especially Amazon Web Services (AWS) Knowledge of Infrastructure-as-Code (IaC) principles & experience reviewing infrastructure configs/changes (Cloud Formation & Terraform) Containers, Kubernetes, Service Mesh, RESTful/gRPC APIs Strong foundation in cybersecurity landscape, especially in identity & access m
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Posted 4 days ago

Technical Support Analyst with Java / Remote

DATAMAXIS, Inc

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Michigan, USA

Contract, Third Party

Job Summary: The Technical Analyst supports the Business Units by resolving issues around the Business Enterprise Applications that are developed in Java/J2EE technologies. Acting as a liaison between the System and the end-customer, the Technical Analyst understands the system, data, and applications and helps the users and end customers by analyzing the issues and by developing technical solutions. Primary Job Responsibilities: Provide support for software, hardware, and operating system issu
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Posted 10 days ago | Updated 1 day ago

API Test Engineer

ARK Solutions Inc

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Remote

Contract

Role: API Test Engineer Location: Memphis, Dallas or Mclean 02 Days Onsite Duration: 12 month(s)+ Experience and Skills Required: Strong experience on Automation using Selenium, ReadyAPI and Rest Assured.Experience in Microservice, REST API Testing and AutomationProven experience within test automation development, using frameworks and tools like Junit, TestNG, Appium, Cucumber, Postman as well as REST/JSON APIsExperience in Atlassian tools (Jira, Stash, Bamboo) for Project Management and Defect
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Posted 11 days ago

Application Developer

Skywalk Global

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Remote

Full-time, Third Party

Java,Spring / Spring Boot,RESTful API Design,SQL & SQL Server
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Posted 3 days ago

Looking for Scala Developer - 100% Onsite Role

Xoriant Corporation

•

Denver, Colorado, USA

Contract

Role: Scala Developer Experience 8 15 Location: Denver, CO US 100% Onsite JD : - Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API contract
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Posted 5 days ago | Updated 5 days ago

Full Stack AWS Engineer

Allwyn Corporation

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Remote

Contract

Position: Full Stack AWS Engineer Location: Remote Duration: Long term We are looking for a motivated, versatile, independent engineer interested in pushing the status quo to deliver a lot with only a little. The ideal candidate has experience building products across the stack and a firm understanding of serverless AWS cloud infrastructure, web frameworks, APIs, databases, and multiple back-end languages. Responsibilities Work across the full stack, building highly scalable distributed solutio
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Posted 18 days ago

Scala Developer

SRS Consulting Inc

•

Denver, Colorado, USA

Contract

Role: Scala Developer Location: Denver, CO 100% Onsite Duration: Long-Term Contract open to relocation Job Description: Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and pla
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Posted 4 days ago

System Integration Specialist

Cardinal Integrated Technologies Inc

•

Englewood, Colorado, USA

Third Party, Contract

Position: System Integration Specialist(19086-1) Location: Englewood, CO Hybrid 3 days onsite Duration: 6-12+ Months Contract We are looking for experienced engineer for the System integration Specialist role for the payment system modernization project. System integration Specialist will be responsible for ensuring the seamless integration of the payment processing solutions via configuration, focusing on efficiency, reliability, and security. Must have Skills: Skill 1 7Yrs of Exp JQ, GO,Skil
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Posted 7 days ago | Updated 8 hours ago

Sr Scala Developer

Srinav Inc.

•

Denver, Colorado, USA

Third Party, Contract

Hi, Greetings from Srinav Inc., Please find the below JD & send the suitable profiles. Design and develop RESTful and GraphQL APIs using Java and ScalaBuild event-driven services and microservices that produce and consume messages via Apache KafkaImplement backend systems using frameworks like Spring Boot, Akka HTTP, or PlayEnsure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retriesCollaborate with frontend and platform teams to define clear API co
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Posted 5 days ago | Updated 6 hours ago

GIS Developer-Remote

MSYS Inc.

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Remote

Third Party, Contract

Title: GIS Developer -Remote Location: Remote Length: Long term Description: ** **Long termRemoteWeb Cam Interview Only Description: The Senior GIS Architect will lead the implementation of ArcGIS Enterprise . This role requires expertise in ESRI s ArcGIS Enterprise platform and its integration with enterprise software, infrastructure, and networks. The architect will be responsible for designing, implementing, configuring, and documenting a multienvironment enterprise GIS architecture. This a
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Posted 5 days ago

Scala Developer

Access Data Consulting Corp

•

Greenwood Village, Colorado, USA

Contract

We are working with a client to identify a Scala Developer to join their team. The ideal candidate will have hands-on experience building robust, scalable, and high-performance backend systems. This role involves designing and implementing RESTful APIs, integrating with NoSQL databases like MongoDB, and leveraging cloud services on AWS. A strong commitment to quality is essential, as the developer will be responsible for writing clean, testable code and participating in the full software develop
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Posted 7 days ago