Senior Full Stack Developer (.NET / Angular)

Quick Facts

• Role: Senior Full Stack Developer (.NET / Angular)

• Focus: Enterprise application development and maintenance (full lifecycle)

• Work style: Mostly remote; occasional client office visits in Warsaw

Description

You will design, develop, and maintain modern enterprise applications and services, supporting both new solutions and evolution of existing systems. You will translate business and technical requirements into architecture and system design, optimize code for performance, security, and quality, and contribute to QA and releases. You will also provide second- and third-line technical support and help coordinate development teams.

Responsibilities

• Design and develop enterprise-class IT systems

• Build new features and extend existing business solutions

• Translate requirements into architecture and system design

• Optimize applications for performance, security, and code quality

• Create and maintain technical documentation

• Estimate effort and development timelines

• Establish and promote software development standards within the team

• Propose technical solutions aligned with business needs

• Participate in requirements analysis, testing, quality assurance, change management, and deployments

• Create tests and test-support tools; support software verification processes

• Manage application configuration and release process

• Provide technical support at 2nd and 3rd lines

• Support and coordinate development teams

Requirements

• 6+ years of IT experience; 3+ years as Senior Full Stack Developer or Tech Lead

• English at least B2 for online client conversations

• Bachelor’s degree (first cycle)

• At least one advanced certificate in software engineering technologies (e.g., Microsoft, TOGAF or equivalent)

• Experience with end-to-end software lifecycle (analysis → production deployment)

• Very good frontend skills, especially Angular, RxJS, NgRx, TypeScript, and CSS/SCSS

• Practical backend experience with .NET and C#

• Experience with Node.js, Nest.js (or similar JS frameworks) for backend/BFF layers

• Knowledge of microservices architecture and micro frontend approaches

• Very good understanding of design patterns for OOP and functional programming

• Experience with relational databases, including Microsoft SQL Server

• Basic knowledge of UML and ability to design with it

• Experience designing data layer, business logic, and user interface

• Practical knowledge of creating automated/unit tests

• CI/CD tooling knowledge, especially Azure DevOps

• Container platform experience such as OpenShift

• Scrum experience

Benefits

• Cafeteria benefits system

• B2B contract

• Mostly remote work with occasional (sporadic) visits to the Warsaw client office

• Opportunity to work on a project with real impact on the client’s business direction

• Engagement with services for a company owned by the State Treasury