Integration Engineer – Contract

Upstart

. Own technical onboarding of lending partners from requirements gathering and data mapping through testing, production launch, and initial post-launch support .

Posted 10/13/2026contractRemote • United StatesMid-LevelSenior💰 $48 - $66 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in integration engineering and technical implementation, with a strong focus on REST API integrations, data mapping, and troubleshooting. Proven ability to collaborate with cross-functional teams and external partners to ensure successful onboarding and production support.

Highest-signal resume keywords

Integration EngineeringREST API ImplementationWorkato ConfigurationData MappingTechnical Requirements Gathering

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Integration EngineeringREST APIData MappingTroubleshootingAPI TestingMiddlewareIPaaSSFTPJSONError Handling

Soft Skills

CollaborationProblem SolvingCustomer EngagementTechnical Communication

Tools & Technologies

WorkatoPostmanSQLMuleSoftBoomiTray.ioCore Banking Platforms

Industry Keywords

BankingLendingFintechFinancial ServicesLoan BoardingAccount Creation

Tech Stack

Tools & technologies

SQL

About the role

Key responsibilities & impact

Own technical onboarding of lending partners from requirements gathering and data mapping through testing, production launch, and initial post-launch support
Configure and support integrations using Workato, REST APIs, SFTP, and existing core banking connector frameworks
Partner directly with lender technology, operations, accounting, and implementation teams to understand requirements, resolve technical blockers, and maintain launch readiness
Execute and validate end-to-end workflows across member and account creation, loan boarding, funding-related processes, document transfer, and downstream data updates
Troubleshoot production and implementation issues across APIs, data mappings, middleware, core banking platforms, and lender environments
Improve integration scalability by optimizing Workato workflows, strengthening production support processes, and turning repeatable implementation activities into standardized processes, templates, and automation
Help scale adoption of Upstart’s existing core banking and API integrations by owning the technical onboarding of banks and credit unions
Gather requirements, configure integrations, map data, establish connectivity, test end-to-end workflows, troubleshoot issues, and support successful production launches

Requirements

What you’ll need

4+ years of experience in integration engineering, solutions engineering, technical implementation, solutions architecture, or a similar customer-facing technical role
Hands-on experience implementing and troubleshooting REST API integrations, including JSON, authentication, data mapping, error handling, and API testing
Experience with systems integration, middleware, iPaaS platforms, or API-based implementations
Experience gathering technical requirements and translating business workflows into integration requirements
Experience working directly with external customers or partners and independently driving technical issues toward resolution
Preferred: Experience with Workato, MuleSoft, Boomi, Tray.io, or another integration platform; direct Workato recipe development is particularly valuable
Preferred: Knowledge of banking, lending, fintech, or financial services integration workflows
Preferred: Familiarity with core banking platforms such as Jack Henry Symitar, Fiserv DNA, Corelation Keystone, Fiserv Premier, FIS, or similar systems
Preferred: Experience with SFTP, PGP encryption, NACHA files, loan boarding, account creation, or other banking integration workflows
Preferred: Experience using Postman, SQL, or similar tools for API testing, data validation, and integration troubleshooting
Preferred: Experience supporting production integrations, go-live activities, monitoring, incident troubleshooting, and post-production support

Benefits

Comp & perks

Overtime pay for hours worked over 40 in a work week, or over 8 in a work day if required by state law
Target bonuses, equity compensation, and generous benefits packages are mentioned for employees, but this contract role is explicitly not eligible for Upstart’s employee compensation, equity, bonus, or benefits offerings
6 month contract-to-hire opportunity
Full-time employee benefits listed by the employer include 401(k) or Group Retirement Savings Plan with company match, Employee Stock Purchase Plan, medical, dental, vision, wellness resources, Health Savings Account contributions, life insurance, disability coverage, paid time off, sick leave, company holidays, paid family and parental leave, fertility, parenthood and caregiving benefits, Employee Assistance Program, financial wellness resources, annual wellness allowance, annual productivity allowance, team events, company updates, employee resource groups, catered lunches, and stocked micro-kitchens