> Markdown version of [/jobs/ext/4580177-implementation-analyst](https://www.wearedevelopers.com/jobs/ext/4580177-implementation-analyst). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Implementation Analyst - **Company:** StoneGate-Technologies LLC - **Location:** Berkeley Heights, NJ, United States - **Experience:** Experienced - **Contract:** Contract - **Skills:** XML Schema, Application Programming Interfaces (APIs), Automation of Tests, Databases, Data Synchronization, Database Models, Digital Assets, Django Web Framework, JSON, CURL, PostgreSQL, MySQL, Network Connections, OAuth, Blockchain, Swagger, Software Engineering, SQL Databases, SQLAlchemy, Systems Integration, Test Execution Engine, Extensible Markup Language (XML), Openapi, Postman, Flask (Web Framework), Backend, Git, Fastapi, Pytest, Information Technology, ISO 20022 Standard, Integration Frameworks, Restful APIs - **Published:** November 5, 2026 - **Apply:** https://www.dice.com/job-detail/528ec960-7d50-4362-b3b2-cfa824582b6d ## About the Role Technical Requirements : 4-6 years of experience in technical implementation, solutions integration, or technical support, with solid hands-on knowledge of RESTful APIs, JSON/XML schemas, Postman/cURL, and SQL queries. Bonus Skills: Familiarity with institutional fintech protocols (e.g., ISO 20022, FIX), cloud-based SaaS integrations, webhook event management, or prior exposure to digital assets, wallets, and blockchain infrastructure., *Experience: Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience with 3-5 years of professional backend development. *Core Language: Demonstrated proficiency in Python 3.x and experience with backend frameworks such as FastAPI, Django REST framework, or Flask. *Databases & ORMs: Familiarity with SQL databases (e.g., PostgreSQL, MySQL) and database modeling using SQLAlchemy or Django ORM. *Tools & Workflow: Comfortable with Git branching workflows, pull requests, automated testing (pytest/unittest), and Linux/Unix command-line environments. *Mindset: Strong problem-solving curiosity, proactive communication, and eagerness to learn institutional fintech, smart contracts, and digital asset rails. ## Description Key Responsibilities: Lead interface mapping, payload configuration, and API/webhook integration workflows, validating system connectivity and message formatting across sandbox, staging, and production environments. Client & Partner Engagement: Act as the primary technical point of contact during onboarding phases-facilitating implementation kickoffs, troubleshooting data synchronization bottlenecks, and tracking integration deliverables to completion., *Coordinate end-to-end technical implementation activities between external third-party systems (custodians, liquidity providers, core banking) and Fiserv's Digital Assets platform. *Map data specifications, payload formats (JSON, XML), and transaction workflows to ensure seamless bi-directional synchronization. *Perform functional validation, test execution, and API verification using Postman, Swagger/OpenAPI, and automated testing utilities. *Triage and troubleshoot integration errors, authentication issues (OAuth2, mTLS, API keys), and network connectivity bottlenecks across sandbox and live environments. *Create and maintain technical integration guides, field mapping matrices, standard operating procedures (SOPs), and release checklists. *Collaborate directly with internal software engineering, product management, and external technical counterpart teams to unblock go-live milestones.