We are Ascentic, a Swe-Lankan Software development partner in Colombo. Founded in 2017 to support Swedish clients with their software needs we have quickly scaled up into a stable, yet still growing, company. Today we are over 100+ geeky and dedicated Ascenders, with the aspiration of together creating the best workplace in Sri Lanka. Right now, we are looking for a .NET Integration Senior/Technical Lead to join our crew. Is that you?Role DescriptionDesign and implement Integrations with external client systems (Shopify, WooCommerce, custom platforms, APIs, file integrations, etc.)Architect reliable data synchronization between ERP and external systemsLead technical design of integration solutions, including: API integrations,Webhooks,Event-driven integrations,Batch & real-time synchronizationDefine integration architecture, data flow, and dependency managementProvide technical leadership and mentorship to engineersServe as the primary technical liaison between engineering teams, customers, product owners, and business stakeholdersWork closely with stakeholders to:Clarify integration requirements,Identify risks and dependencies early,Manage technical expectations and delivery scope,Translate business needs into scalable technical solutionsFacilitate technical discussions, solution workshops, and integration planning sessions with clientsCommunicate architecture decisions, trade-offs, timelines, and risks clearly to both technical and non-technical audiencesBe the technical sounding board for a product scaling up. Required Skills & Experience- Minimum 6+ years experience with .NET Core / C#- Strong experience building Enterprise Integrations/Third-party systems- Proven experience designing API-based integrations- Experience with Microservices or Modular Architecture- Strong experience building RESTful Web APIs- Hands-on experience with Cloud services- Experience with data synchronization patterns- Strong SQL Server or relational database experience- Solid understanding of DevOps and CI/CD practices- Experience with SPA frameworks (React or Angular)- Strong troubleshooting and system analysis skills- Excellent communication and stakeholder management abilitiesNice to HaveExperience working with ERP systems or enterprise business applicationsExperience with eCommerce integrationsDocker / Kubernetes experienceWhy Ascentic? At Ascentic we expect a lot from you, which means you can expect a lot from us. We always strive to work with the latest in tech and make sure you have an individual development plan to meet your career goals. We have a flat organization, where your opinion and ideas matter and are rewarded. We focus on building trust and being accountable to each other. Ascentic promotes a fun office experience where you can be yourself, where we also give you the space to work with the flexibility you need to experience real work-life balance. We of course also do lots of activities together like weekly games, treats, getaways, sports and health initiatives. Ascentic is an equal opportunity employer with the belief that our differences make us stronger together. We are committed to creating an inclusive environment that reflect the Sri Lankan society represented by all genders, sexual orientations, ethnicities and religions. Curious? Let's talk