Implementation Analyst

STONEGATE TECHNOLOGIES LLC; Berkeley Heights (NJ); On-site; USD 100,000 - 130,000; Full time

Job summary

STONEGATE TECHNOLOGIES LLC in Berkeley Heights, NJ is seeking an Implementation Analyst to lead interface mapping, payload configuration, and API/webhook integration across sandbox, staging, and production environments. You will serve as the primary technical contact during onboarding, coordinate data synchronization, validate connectivity, and help track deliverables with internal teams.

Ideal candidates have 4–6 years in technical integration, strong API/JSON/XML skills, and backend experience

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience.
• 4–6 years of experience in technical implementation, solutions integration, or technical support, with hands-on knowledge of RESTful APIs, JSON/XML, Postman/cURL, and SQL queries.
• Experience with backend frameworks such as FastAPI, Django REST, or Flask is expected.
• Proficiency with Git workflows, automated testing, and Linux/Unix command-line environments.

Responsibilities

• Coordinate end-to-end technical implementation activities between external systems and Fiserv's Digital Assets platform.
• Map data specifications, payload formats (JSON, XML), and transaction workflows for bi-directional synchronization.
• Perform functional validation, test execution, and API verification using Postman and Swagger/OpenAPI.
• Triage and troubleshoot integration errors, authentication issues (OAuth2, mTLS, API keys), and network bottlenecks across environments.
• Create and maintain technical integration guides, mapping matrices, SOPs, and release checklists.
• Collaborate with internal engineering, product, and external teams to unblock go-live milestones.

Skills

REST APIs

Webhooks

JSON/XML

3rd-Party Platforms

SQL

Education

Bachelor's degree in CS/Software Eng

Tools

Postman

Swagger/OpenAPI

cURL

Git

pytest/unittest

Job description

Job Title: Implementation Analyst

Location: Berkley Heights, NJ (Onsite)

Must have skills: REST APIs, Webhooks, JSON/XML, 3rd-Party Platforms, SQL

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.

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.

Qualifications & Profile

• 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.

Detailed Responsibilities

• 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.