Senior Integration Developer

Doyle Security Services, Inc. (DSS); United States Virgin Islands; On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

Paid vacation

Sick leave

Holidays

Medical insurance

Dental insurance

Vision insurance

Life insurance

401(k) retirement plan

Professional training

Tuition reimbursement

Job summary

Fathom Management is seeking a Sr. Integration Developer to design, develop, and support scalable enterprise integrations across apps, APIs, and cloud environments. You will combine backend development with API integration and architecture to drive standards and best practices.

The role covers the full lifecycle from design through production support, with opportunities to lead technical direction across teams and customer projects.

Qualifications

• 5+ years of hands-on software development in Java/Python/JS/TS.
• Experience designing and developing APIs and system integrations.
• Proficient with REST, SOAP, and GraphQL APIs.
• Cloud experience on Azure/AWS/GCP and API security basics.
• Ability to define integration standards and best practices.

Responsibilities

• Design and develop end-to-end integration solutions across apps, APIs, and cloud infra.
• Translate requirements into scalable, secure integration solutions.
• Build backend services and APIs using modern languages and platforms.
• Implement secure API access, versioning, and error handling.
• Develop data mapping, transformation, and orchestration across systems.
• Support CI/CD and multi-environment deployments.
• Create architecture diagrams and technical documentation.

Skills

Java

Python

JavaScript

TypeScript

API development

Integration patterns

Cloud concepts

Education

Bachelor's degree in CS/Engineering/IT

Tools

MuleSoft

Apigee

Kong

Workato

BizTalk

REST API

SOAP

GraphQL

OAuth2

Job description

Senor Integration Developer

Client: Government / Enterprise Client

Location: Remote

Salary: $120,000–$140,000 annually, based on experience and technical interview

Employment Type: Full-Time

Citizenship: U.S. Citizen Required

Keywords: Senior Integration Developer, Sr. Integration Developer, Senior Integration Engineer, Integration Engineer, API Developer, Backend Developer, Systems Integration, Integration Architecture, Azure, AWS, GCP, Python, Java, JavaScript, TypeScript, REST API, SOAP, GraphQL, OAuth2, JWT, SAML, API Security, MuleSoft, Apigee, Kong, Workato, BizTalk, Event-Driven Architecture, Message Queues, Pub/Sub, iPaaS, ESB, CI/CD, Cloud Integration, Data Transformation, API Management

Position Overview

Fathom Management is seeking an experienced Sr. Integration Developer to design, develop, and support scalable enterprise integrations across applications, APIs, data platforms, and cloud environments.

The successful candidate will combine strong backend development, API integration, and architecture skills with the ability to establish integration standards, design patterns, and technical best practices. This position will work across the full integration lifecycle-from solution design and development through testing, deployment, monitoring, and production support.

This is an excellent opportunity for a Senior Integration Developer, Senior Integration Engineer, API Developer, or Backend Developer who enjoys solving complex integration challenges, designing scalable solutions, and providing technical direction to development teams.

Candidate Verification Notice

For your protection and ours, Fathom Management conducts a brief candidate verification at the beginning of the screening process. Because we support State and Federal Government clients, this verification helps protect your identity, résumé, and application from unauthorized use and confirms that we are speaking directly with the individual who applied for the position.

You may be asked to provide a photo of a government-issued identification document as part of this verification. Video verification may also be required.

Identification is used solely for candidate verification and will be handled in accordance with Fathom Management's privacy and security practices.

Current Technical Architecture & Development Experience

• Designing end-to-end integration solutions spanning backend services, APIs, integration layers, and cloud infrastructure
• Backend services and API development using Python, Java, JavaScript, and/or TypeScript
• Azure, AWS, or GCP cloud environments and cloud-native deployment practices
• RESTful APIs and other API technologies, including SOAP and/or GraphQL
• Enterprise integration platforms such as MuleSoft, Apigee, Kong, Workato, BizTalk, or comparable technologies
• Integration patterns including event-driven, pub/sub, hub-and-spoke, point-to-point, ESB, and iPaaS
• API security including OAuth2, JWT, SAML, and API keys
• Message queues, asynchronous processing, and event streaming
• Data mapping, transformation, orchestration, and exchange across heterogeneous systems
• CI/CD pipelines and multi-environment deployments
• Architecture diagrams, technical specifications, data mappings, configuration documentation, and technical standards

Required Qualifications

• 5+ years of hands-on software development experience using one or more modern programming languages such as Java, Python, JavaScript, or TypeScript.
• Strong understanding of enterprise integration patterns and architectural styles.
• Hands-on experience designing and developing APIs and system integrations.
• Experience with RESTful services, SOAP, and/or GraphQL.
• Working knowledge of API security, authentication, authorization, versioning, throttling/rate limiting, and error handling.
• Experience with at least one major cloud platform: Azure, AWS, or GCP, including cloud-native architecture and deployment practices.
• Solid understanding of data mapping, transformation, orchestration, and integration across disparate systems.
• Experience across the software development lifecycle (SDLC), including development, testing, CI/CD, and deployment.
• Experience supporting deployments across multiple environments, such as Development, Test, UAT, and Production.
• Ability to establish or apply integration standards, design patterns, and development best practices.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication and ability to collaborate with technical and cross-functional teams.

Preferred Qualifications

• Bachelor's degree or equivalent experience in Computer Science, Engineering, Information Technology, or a related discipline.
• Experience with one or more enterprise integration platforms, including:
• MuleSoft
• Apigee
• Kong
• Workato
• BizTalk
• Experience with Azure integration services and cloud-native architecture.
• Experience with message queues, event streaming, or pub/sub technologies.
• Experience supporting enterprise API management.
• Experience with automated testing and CI/CD practices.
• Experience supporting production integration environments.
• Experience providing technical guidance, mentoring, or design direction to development teams.

Key Responsibilities

• Design and develop end-to-end integration solutions spanning backend services, APIs, integration layers, and cloud infrastructure.
• Translate business and technical requirements into scalable, secure, and maintainable integration solutions.
• Build scalable backend services and APIs using modern programming languages and/or enterprise integration platforms.
• Design and implement secure RESTful and enterprise APIs connecting internal and third-party systems.
• Apply appropriate integration patterns, including event-driven, asynchronous, pub/sub, ESB, and iPaaS architectures.
• Implement API security, authentication, authorization, versioning, throttling, and error-handling standards.
• Develop data mapping, transformation, and orchestration solutions across heterogeneous systems.
• Build, test, and deploy integration processes throughout the Dev, Test, UAT, and Production lifecycle.
• Support CI/CD pipelines and automated deployment processes.
• Monitor integration performance, troubleshoot issues, and provide expert-level post-deployment production support.
• Create and maintain architecture diagrams, technical specifications, data mappings, configuration documentation, and other technical artifacts.
• Define and promote integration design patterns, technical standards, and development best practices.
• Collaborate with developers, architects, business stakeholders, and other technical teams to optimize data flows and integration solutions.
• Provide technical guidance and support to development teams as needed.

What Makes Someone Successful

The Successful Candidate Will Be

• Hands-on and technically capable
• Strong in API and systems integration
• Comfortable designing solutions across cloud and enterprise environments
• Experienced troubleshooting complex production integrations
• Security-minded when designing APIs and data exchanges
• Strong in architecture, technical design, and problem-solving
• Able to establish and communicate technical standards and best practices
• Comfortable working with both modern development technologies and established enterprise integration platforms
• Collaborative and able to communicate effectively with technical and business stakeholders
• Comfortable managing multiple priorities and deadlines.

Benefits Overview

Fathom Management offers full-time employees a comprehensive and competitive benefits package, including:

• Paid vacation, sick leave, and holidays
• Medical, dental, and vision insurance
• Life insurance
• Short- and long-term disability
• 401(k) retirement plan
• Military leave
• Professional training and development
• Tuition reimbursement
• Employee wellness program
• Commuter benefitsAnd more

Equal Employment Opportunity

Fathom Management is an Equal Opportunity Employer committed to fostering a diverse and inclusive workplace. All employment decisions are made without regard to race, color, religion, creed, national origin, sex, age, marital status, sexual orientation, gender identity, citizenship status, veteran status, disability, or any other characteristic protected by applicable federal, state, or local law.

Salary: $120000 - $140000 per year