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Customer Solutions Engineer (Remote - Ukraine or Poland) at Jobgether. This position is posted by Jobgether on behalf of Sift. We are currently looking for a Customer Solutions Engineer (Post-Sales) in Ukraine, Poland.. Join a high-impact, customer-facing technical team focused on empowering global businesses to solve complex challenges through cutting-edge technology. In this role, you’ll be the key link between enterprise clients and internal engineering and product teams. You'll own advanced technical integrations, champion customer success, and help drive innovation across solutions. This is an exciting opportunity for problem-solvers who enjoy digging into data, optimizing systems, and making a real difference in customer outcomes.. . Accountabilities:. . Act as the primary technical point of contact post-sales, supporting enterprise customers throughout their journey.. . Manage complex customer issues by partnering with Technical Account Managers and Support Engineers to ensure seamless onboarding and product adoption.. . Translate business needs into technical solutions, working alongside data science and engineering to optimize machine learning model performance.. . Design and map data integrations via whiteboarding sessions and documentation, tailoring solutions to each customer's unique environment.. . Write custom scripts and queries (e.g., SQL, Bash, Python, Ruby) to calculate metrics, prove ROI, and streamline workflows.. . Identify process inefficiencies and contribute to internal tool development and automation to improve service delivery.. . Serve as the internal voice of the customer, providing feedback that informs product direction and engineering priorities.. . . 4+ years of experience in a technical, customer-facing role (e.g., Solutions Engineering, Technical Account Management, or Post-Sales Engineering).. . Strong collaboration skills, with experience working cross-functionally with product, engineering, and data science teams.. . Exceptional verbal and written communication skills; comfortable speaking to both technical and non-technical audiences.. . Experience writing and debugging scripts (Python, Ruby, Bash) and working with web technologies and APIs.. . Strong command of SQL for data analysis and troubleshooting.. . Self-motivated and organized, with the ability to manage multiple projects and navigate ambiguity.. . Growth mindset and passion for learning; resourceful and proactive in problem-solving.. . Bonus: Experience in B2B payments or fraud prevention technology is a plus.. . Company Location: Ukraine.