Staff Backend Engineer

150 - 170 PLN/ godz./ godz.B2BB2B (netto)

SeniorHybryda·WarszawaInne·B2B

#476516·Dodano wczoraj·0

Źródło: justjoin.it

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Tech Stack / Keywords

Event Sourcing CQRSDomain EventsSagaAPI architectureREST APICloudLLMAIArchitecture Decision Records

Podsumowanie oferty

Design and evolve backend architecture across multiple teams for a partner project in the payments/fintech sector. Establish distributed-system principles and lead technical decisions, including work on AI-powered engineering workflows.

Wymagania

At least 8 years of professional experience in software engineering, including a minimum of 2 years in technical leadership or architecture-related responsibilities across multiple teams.
Minimum 3 years of experience designing distributed systems in the payments or fintech sector.
Strong backend engineering expertise and practical experience working with different technology stacks.
In-depth understanding of distributed systems and architectural patterns such as Event Sourcing, CQRS, Domain Events, and Saga.
Experience designing state machines and managing the lifecycle of financial entities.
Strong knowledge of API architecture, including REST APIs, asynchronous communication, and event-driven integration contracts.
Ability to evaluate database technologies, including relational, document, time-series, and ledger-oriented solutions.
Experience assessing cloud architecture and services in environments such as AWS, Google Cloud, or Microsoft Azure.
Practical experience designing or improving agentic engineering environments, including instrumentation, adoption tracking, and iterative optimisation.
Understanding of LLM tool-use patterns, context management, and AI-assisted software development workflows.
Experience preparing clear technical documentation, including Architecture Decision Records (ADRs), RFCs, and system design documents.
Excellent written and verbal communication skills and ability to interface.
Demonstrated ability to excel in a global matrix organisation.
Strong leadership skills.
Very good English and Polish.

Obowiązki

Design and evolve backend architecture across multiple teams, ensuring clear domain boundaries, reliable service communication, and scalable system design.
Establish architectural principles for distributed systems, including event-driven communication, state management, data consistency, and API integration.
Lead technical discussions and document architectural decisions through ADRs, RFCs, and technical design proposals.
Assess technology options and recommend solutions for databases, cloud infrastructure, messaging systems, and financial data processing.
Develop and improve AI-powered engineering workflows, including agentic development tools, adoption monitoring, performance measurement, and continuous optimisation.
Identify opportunities to improve engineering practices, modernise existing solutions, and introduce common technical standards across teams.
Collaborate with engineering leaders and product stakeholders to ensure technical solutions align with business objectives and long-term platform strategy.
Support experienced engineers through architectural reviews, technical mentoring, knowledge sharing, and design discussions.
Drive cross-team technical initiatives and support the implementation of architectural improvements across the organisation.

Benefity

Private medical care.
Sports card.
Training courses.
Opportunity to attend conferences, including as a speaker.
Support with publishing in recognised magazines and online.

Opieka zdrowotna

Karta sportowa

Inne informacje

Recruitment process: a friendly remote initial interview, a remote technical talk, and a decision to work together.

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