Proxima Research

Solution Architect

Ukrainian Product πŸ‡ΊπŸ‡¦

Job Title: Senior Architect – CRM Platform Ecosystem

Location: Remote
Level: Senior / Principal 

 

About the Role

We are seeking an experienced Senior Architect to lead the architecture of our CRM Platform Ecosystem, driving the design and evolution of a scalable, modular, and API-first system that supports dynamic customer workflows, integrations, and analytics. You will play a strategic role in transforming our existing monolith into a maintainable, high-performing platform based on modern architectural principles such as Hexagonal Architecture, Event-Driven Design, and Domain-Driven Design.

You will work closely with the CO, engineering teams, product leaders, and external partners to create a CRM ecosystem that is future-ready, cloud-native, and deeply customizable.

 

 

Key Responsibilities:
β€’ Design and oversee the implementation of the CRM platform architecture, ensuring alignment with business goals and technology strategy.
β€’ Define architectural standards and lead the transition to a microservices or modular monolith architecture, as appropriate.
β€’ Lead domain modeling and collaborate with product and engineering teams to apply Domain-Driven Design (DDD) practices.
β€’ Architect and guide implementation of integration strategies including REST/GraphQL APIs, event buses (Kafka/RabbitMQ), and third-party services.
β€’ Own decisions related to data architecture, including PostgreSQL modeling, replication, and performance optimization.
β€’ Define and maintain architecture documentation, including diagrams, contracts, and interface specifications.
β€’ Champion non-functional requirements such as performance, scalability, security, and fault-tolerance.
β€’ Collaborate with DevOps to ensure the architecture is cloud-agnostic, containerized, and CI/CD friendly.
β€’ Review and guide technical design decisions across multiple teams and enforce architectural best practices.
β€’ Mentor developers, tech leads, and other architects in clean code, architectural thinking, and technical decision-making.

 

 

Requirements:

Must-Have 
β€’ 8+ years of experience in backend or full-stack architecture, with at least 3 years in a senior or lead architect role. 
β€’ Proven experience designing and evolving large-scale CRM platforms or complex enterprise systems. 

β€’ Prior experience working with CRM-specific features such as workflows, custom fields, automation, or user segmentation. 
β€’ Deep knowledge GoLang and PostgreSQL. 
β€’ Hands-on experience applying Hexagonal Architecture, CQRS, Event-Driven Architecture, or similar paradigms. 
β€’ Strong understanding of modular architecture, API versioning, and service orchestration. 
β€’ Experience working in cloud environments (AWS, Azure, or GCP), with infrastructure as code principles. 
β€’ Excellent communication skills and the ability to translate business needs into technical architecture. 

Nice-to-Have 
β€’ Experience in β€―Flutter/Dart frontend architecture and integrating frontend with backend APIs. 
β€’ Knowledge of PHP (Symfony), GraphQL, Redis, Kubernetes, and Elasticsearch. 

 
 We Offer:

  • A fully remote role with flexible engagement (full-time or contract) – you can also choose to work in the office or in a hybrid format if you prefer
  • An opportunity to influence and shape the architecture and overall direction of the AI product
  • Work at a large product company with a wide range of in-house developed solutions, many of which have been leading the market for over 15 years
  • Access to diverse internal projects, enabling you to develop various skill sets and show your potential in different areas
  • A competitive compensation package that reflects your experience and skills, with opportunities for review based on performance

Required languages

English B2 - Upper Intermediate
Ukrainian Native
Software Architecture, Cloud Architecture, Microservice architecture, Architecture/DB design, TechLead TeamLead SystemArchitect CTO
Published 2 May 2025 Β· Updated 16 December 2025
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