UNKNOWN

ADAPTED_NOW

YEAR

<p style="color: var(--silver); font-size: 20px">Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. </p>
<p style="color: var(--silver); font-size: 20px">Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.</p>

System One

Senior ServiceNow Discovery Developer

The ideal candidate must have strong hands-on experience developing and customizing ServiceNow Discovery Patterns , configuring Service Graph Connectors , supporting multiple CMDB data-ingestion methods, and troubleshooting complex Discovery and CMDB data-quality issues. This role will focus on discovering infrastructure, servers, network technologies, cloud resources, and related enterprise assets while ensuring accurate configuration data is populated into the ServiceNow CMDB .

ServiceNow Discovery Developer

Understanding of techniques used to provide enterprise data and context to LLM powered applications; experience with Retrieval Augmented Generation (RAG) is highly desirable. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Generative AI Developer

Work with security, application, infrastructure, and business teams to keep critical identity processes reliable while supporting a phased modernization. Understanding of identity governance, including access reviews, roles, entitlements, and joiner, mover, and leaver processes.

SailPoint Developer

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Hands on experience with AWS services such as EMR, ECS, Glue, Redshift, S3, SNS, SQS, Lambda, and CloudWatch.

Senior Informatica ETL Developer (AWS)

Experience developing Spring Boot REST APIs and microservices using dependency injection, input validation, configuration management, and centralized exception handling. Experience deploying and supporting applications using AWS EC2, S3, RDS, Lambda, and API Gateway, with working knowledge of IAM, queues, monitoring, and networking.

AWS Java Full Stack Developer

Develop, enhance, test, implement, and support ETL workflows using Informatica PowerCenter (CDI PC version). System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

AWS Informatica Developer

Perform hands-on development across Salesforce technologies, following best practices and ensuring high quality, secure, and compliant implementations. Implement integrations using REST/SOAP APIs and OAuth, and work with external systems, ideally within cloud ecosystems such as AWS.

Senior Salesforce Developer

Bring strong hands-on ServiceNow development experience, including custom application development, platform scripting, REST API integrations, and workflow automation. • Hands-on ServiceNow platform development experience, including Flow Designer, IntegrationHub, Script Includes, Business Rules, UI Actions, and REST APIs.

Senior ServiceNow Custom Application Developer

Correct program errors, prepare operating instructions, compile documentation, and analyze system capabilities to resolve questions regarding program output, input data, and controls. Design, develop, document, test, and debug software solutions that address business/mission problems using logical and mathematical analysis.

APEX IR Developer

HOUR

Build and support solutions leveraging AWS services such as Lambda, S3, RDS, DynamoDB, API Gateway, EC2, ECS/EKS, and Redshift. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Senior AWS Python Developer

Working closely with business stakeholders, solution architects, quantitative analysts, infrastructure engineers, and market utility providers, you'll develop innovative solutions that modernize trading platforms, streamline business processes, strengthen operational resilience, and support the evolving needs of leading global financial institutions. This is an outstanding opportunity to work with modern technologies including Calypso, Java, Spring Boot, AWS, microservices, DevSecOps, cloud-native architectures, and enterprise financial integrations , while contributing to large-scale digital transformation initiatives within the Capital Markets industry.

Calypso Developer

Collaborate with content writers, business analysts, content managers, Scrum Masters, and stakeholders to gather requirements, deliver features, and support Agile development processes. Develop AI-powered agents and copilots, including solutions that leverage SharePoint content for knowledge retrieval, search, and workflow automation.

UX Developer

System One is looking for mid level Kafka and Spark Software Developers to join our Applications Development and Maintenance team, supporting our client which is a large US Bank, working in an advanced technology environment. Build and maintain Kafka producers, consumers, topics, and streaming workflows to enable reliable real-time data ingestion and event-driven architectures.

Kafka/Spark Developer

Strong Spring Boot and microservices experience, including REST APIs, dependency injection, input validation, centralized exception handling, and Actuator. 8+ years of advanced Java experience, including collections, streams, exception handling, JVM concepts, multithreading, concurrency, and functional and reactive programming.

Senior AWS Java Full Stack Developer

Prepare NRC-facing regulatory documents related to the examination program (e.g., topical reports, white papers, exemption requests, program descriptions) and support those documents through NRC staff review and interactions. Author facility-level NRC operator examination products, including written examination outlines, written exams, job performance measures (JPMs), and dynamic simulator scenarios.

Licensed Exam and Exam Program Developer

We are looking for a Senior Python + PySpark Data Engineer with strong AWS big data experience — ideally someone who has worked in cybersecurity or security data environments. 5+ years of experience working with Apache Spark/PySpark, including troubleshooting and optimizing Spark jobs.

Senior AWS Python Developer / Pyspark Data Engineer

We are seeking a AWS Python- GenAI Developer to develop and support cloud native applications, automation capabilities, and enterprise integrations supporting a large scale Workday SaaS implementation within the financial services industry. Develop and support cloud native applications, automation capabilities, and enterprise integrations supporting large-scale SaaS implementations within the financial services industry.

AWS Python- GenAI Developer

The Lead ETL Developer will work together with Product Owners, Subject Matter Experts and Technical Managers to build workflows and schedule jobs. This candidate will serve as a technical expert of a large scale digital development project consisting of both on shore and off shore developers.

ETL Lead Developer

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Degree must be in Computer Science or Computer Engineering (or something extremely similar).

Developer Jobs in the United States

Senior ServiceNow Discovery Developer System One

ServiceNow Discovery Developer System One

Generative AI Developer System One

SailPoint Developer System One

Senior Informatica ETL Developer (AWS) System One

AWS Java Full Stack Developer System One

AWS Informatica Developer System One

Senior Salesforce Developer System One

Senior ServiceNow Custom Application Developer System One

APEX IR Developer System One

Senior AWS Python Developer System One

Calypso Developer System One

UX Developer System One

Kafka/Spark Developer System One

Senior AWS Java Full Stack Developer System One

Licensed Exam and Exam Program Developer System One

Senior AWS Python Developer / Pyspark Data Engineer System One

AWS Python- GenAI Developer System One

ETL Lead Developer System One

CNO Developer (iOS) System One

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