Backend Team Lead - Payment Systems (.NET)

Навыки

• Agile
• AWS
• C#
• Распределённые системы
• .NET
• Entity Framework
• gRPC

О компании и продукте

• B2Tech is seeking a Backend Team Lead to join our Payment Systems team, leading the development of scalable, reliable, and high-performance services on the .NET stack.
• This is a hands-on leadership role combining technical ownership with people development. You’ll shape the architecture of our payment platform, lead complex integrations with payment providers, banks, and mobile money operators, and support a team of engineers in delivering resilient systems that perform reliably at scale.

Задачи

• Technical
• Design and deliver scalable, robust, and high-performance backend solutions using .NET, PostgreSQL, and Entity Framework Core
• Optimize PostgreSQL queries, indexes, and data models to maintain data integrity and performance as transaction volumes scale
• Drive architectural decisions across our microservices and gRPC-based payment gateway, selecting the right patterns and technologies for each challenge
• Own the technical quality of integrations with payment providers, banks, and mobile money operators, from initial onboarding through production
• Build resilient integrations that handle real-world payment scenarios, including timeouts, retries, idempotency, reconciliation, and provider-specific behavior
• Maintain high engineering standards across delivered solutions, with a strong focus on reliability, maintainability, and performance
• Drive continuous technical improvement, evaluating and introducing new technologies where they deliver meaningful value
• Leadership
• Lead a team of .NET developers responsible for payment processing, orchestration, and third-party provider integrations
• Mentor engineers on software design, code quality, architectural patterns, and engineering best practices
• Lead effective code reviews, providing clear, constructive feedback that raises engineering standards across the team
• Create an environment of ownership, open communication, collaboration, and continuous improvement
• Partner with Product, QA, and other stakeholders to define priorities, manage expectations, and deliver against agreed timelines

Требования

• Technical
• Excellent knowledge of the .NET technology stack, including C#/.NET and REST and gRPC APIs
• Strong relational database expertise, ideally PostgreSQL, including schema design, indexing, and query optimization
• Strong hands-on experience with Entity Framework Core and modern data-access patterns
• Proven experience making architectural and implementation-level design decisions within distributed or microservices-based systems
• Solid experience integrating external APIs and providers, including authentication, adapters, retries, idempotency, and failure handling
• Strong understanding of clean code, software design patterns, SOLID principles, and maintainable software architecture
• Experience with real-time or near-real-time event-driven systems using Kafka or comparable messaging technologies
• Proven ability to diagnose and resolve performance issues within high-throughput, transactional systems
• Strong analytical, troubleshooting, and problem-solving skills when working with complex production systems
• Comfortable working within an Agile/Scrum engineering environment
• Leadership
• Proven ability to lead, mentor, and develop software engineers while maintaining strong technical credibility
• Excellent communication and stakeholder management skills, with the ability to collaborate effectively across technical and non-technical teams

Будет плюсом

• Experience with AWS or another major cloud platform and cloud-native architectures
• Working knowledge of Kubernetes and containerized application deployment
• Familiarity with Terraform or comparable Infrastructure-as-Code technologies

Условия

• Annual Discretionary Performance Bonus 💷
• Annual Salary Review 💵
• 21 Days of Paid Leave 📢
• Hybrid Working Model 🏠
• Semi-Flexible Working Hours ⌚
• Provident Fund 💰
• Medical Insurance Coverage ❤️‍🩹
• Subsidized Sports
• App Subscription 🏋️
• 100 Monthly Lunch Allowance + €9 for Each In-Office Day 😋
• Weekly Happy Hour 🤠
• Exciting Career Paths 🎯
• Personalized Learning & Development Programs 📖
• Birthday Leave 😎
• Marriage Leave 💍
• A Variety of Employee Perks 🎫

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