Integration Engineer

Integration Engineer – Job Description (UmerCo)Company DescriptionUmer & Company (UmerCo) is a solutions provider in the Managed File Transfer (MFT) and integration space, enabling secure system-to-system and business-to-business data exchange. As an official IBM Business Partner, UmerCo delivers IBM integration and MFT solutions, along with the implementation, support and maintenance around them, at competitive rates. We are now bringing AI and automation into our integration work to help clients move faster and focus on what matters most.Role DescriptionThis is a full-time, on-site, mid-level Integration Engineer contractor role based at our Lahore office. You will design, build and maintain integrations between IBM integration products (IBM Sterling B2B Integrator / File Gateway and related tools), our customer-facing web portal and other business systems, working directly with client stakeholders on US-based engagements.You will own integrations end to end: gathering requirements, building APIs and data flows, handling mappings and validations, testing, deploying under change-management controls and supporting what you ship. You will also build AI-driven automation into our delivery and support work. Structured training on IBM products is provided, but we expect you to arrive with solid integration and software fundamentals.Key ResponsibilitiesDesign, develop and maintain integrations between IBM products, the web portal and client business systemsBuild and consume REST APIs and data flows; implement data mappings, transformations and validations across JSON, XML, CSV and flat-file formatsConfigure and support secure file transfer flows (SFTP, FTPS, AS2, HTTPS), partner onboarding and routingWork with client stakeholders to capture requirements and translate them into technical designsSupport and extend the web portal (back-end services, database, front-end fixes)Troubleshoot production issues across application, database and network layers; perform root-cause analysis and document fixesWrite unit and integration tests; carry out deployments through dev, test and production following change-management and security standardsBuild AI-driven automation (LLM APIs, agents, scripted workflows) for monitoring, onboarding and support tasksMaintain technical documentation, runbooks and handover notesParticipate in the support rotation for client environments during US business hoursRequired Qualifications2 to 4 years of hands-on software development or integration experienceSolid understanding of how system integrations work: APIs, data flows, messaging, batch and file-based exchangeExperience building and consuming REST APIs (authentication, error handling, versioning)Proficiency in at least one of Python, Java or JavaScript/Node.jsStrong working knowledge of data formats (JSON, XML, CSV) and mapping/transformation between themWorking knowledge of SQL and relational databases (Oracle, PostgreSQL, MySQL or similar)Comfortable on Linux: shell scripting, file permissions, log analysis, basic networking (ports, DNS, firewalls, TLS)Experience with Git and a basic understanding of CI/CD, testing and deployment practicesBasic web application development experience (front-end or back-end)Interest in or hands-on experience with LLM APIs, AI agents or agentic workflowsUnderstanding of data security fundamentals: encryption in transit and at rest, key and certificate handling, access controlStrong troubleshooting and problem-solving skills; able to work through unfamiliar systems independentlyClear written and spoken English; comfortable communicating directly with US-based clientsBachelor's or Master's degree in Computer Science, Software Engineering or a related fieldNice to HaveHands-on experience with IBM integration products (IBM Sterling B2B Integrator / File Gateway, Sterling Secure Proxy, IBM App Connect, webMethods) or other integration and MFT platforms such as Boomi, MuleSoft, GoAnywhere MFT, Axway SecureTransport, Globalscape EFT or SPS CommerceExposure to MFT concepts: partner onboarding, PGP encryption, SFTP/AS2 protocols, mailbox routingFamiliarity with EDI standards (X12, EDIFACT) and XSLT or other mapping toolsExperience with cloud platforms (AWS, Azure or IBM Cloud) and containers (Docker, Kubernetes)Experience with monitoring and observability tools (New Relic, Grafana, ELK or similar)Experience working in a consulting or client-services environmentWork Schedule & Location

Location: on-site at the UmerCo office, Valencia Town, LahoreHours: US-aligned shift, 6:00 PM to 3:00 AM PKT, Monday to FridayEmployment type: full-time contractorHow to ApplyInterested candidates can send their resume to hr@umerco.com with the subject line "Application for Integration Engineer – Umerco".