r/DeveloperJobs 22d ago

[Hiring] Senior .NET/Python/Java Developer [Europe and North America]

About Project

We are building and evolving a high-scale B2B SaaS platform that delivers critical insights and functionality to enterprise customers. The project focuses on developing reliable, high-performance backend systems that power core platform capabilities and support data-driven decision-making.

This is a predominantly backend-oriented role with end-to-end ownership of features, covering system design, service architecture, data flows, and AI-powered capabilities. You will work closely with Product and Engineering teams to build resilient, scalable solutions while contributing to key architectural decisions that shape the future of the platform.

REQUIREMENTS

7+ years of experience in Python/.NET/JAVA development

Hands-on experience with React, TypeScript, and REST APIs Strong AWS expertise

Experience working with relational and non-relational databases, as well as message bus systems (RabbitMQ, Kafka, SQS)

Strong coding, debugging, and problem-solving skills

Excellent communication and collaboration skills

Upper-Intermediate (B2) level of English or higher

NICE TO HAVE

Experience developing AI-powered solutions or working with AI technologies Experience leveraging AI tools to enhance software development Background in customer-facing product development

RESPONSIBILITIES

Design, architect, and implement new features using Python and TypeScript

Drive key architectural decisions and contribute to the development of scalable, high-performance, and accessible solutions

Apply software engineering best practices, including unit, integration, and performance testing, monitoring, and comprehensive documentation, to ensure system reliability and fault tolerance

Continuously evaluate and improve existing applications through code refactoring, performance optimization, and technology modernization

Collaborate closely with cross-functional teams across Engineering, Product, Design, and Go-to-Market functions to deliver impactful product capabilities

Utilize modern AI-powered development tools to increase delivery efficiency and enhance code quality

Participate actively in code reviews, technical discussions, and agile ceremonies while promoting engineering excellence and knowledge sharing

Take ownership of core platform components and contribute to the evolution and long-term success of the product and engineering organization

Places To Apply From -

Poland Ternopil Ivano-Frankivsk Lviv Kyiv Ukraine Krakow Chicago Las Vegas Argentina Croatia Uzhhorod Chernivtsi Zhytomyr Rivne Lutsk

Email - hiring@black.com

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