Atos logo
Atos

Advancing what matters

Senior Full-Stack Developer – .NET, Angular

Backend EngineerSoftware EngineerContractRemoteSeniorTeam 10,001+H1B SponsorCompany SiteLinkedIn

Location

Poland

Posted

4 days ago

Salary

0

Seniority

Senior

Job Description

Senior Full-Stack Developer – .NET, Angular

Atos

• Developing and maintaining backend services using .NET 10 (ASP.NET Core) • Building frontend interfaces with Angular • Designing and consuming RESTful APIs • Implementing business logic, security mechanisms, and database layer (MS SQL Server) • Developing the OIU application for billing, complaints, and reporting • Building and maintaining ISZTP-integrated modules • Preparing and configuring development environments • Working with CI/CD pipelines in Azure DevOps • Maintaining code quality through Git / Git Flow in team repositories • Creating technical documentation

Job Requirements

  • Min. 5 years of experience as a backend (.NET) and frontend (Angular) developer
  • Min. 5 years on .NET platform (ASP.NET Core) with Git and Git Flow
  • Min. 5 years with Angular 2.0 or higher
  • Min. 5 years building scalable applications with varied inter-component communication patterns (incl. RabbitMQ / MassTransit)
  • Min. 5 years implementing secure authentication, authorisation, communication, and identity management
  • Solid knowledge of MS SQL Server 2019+, Entity Framework, T-SQL, LINQ, CLR SP
  • Proficiency in HTML5, CSS3, TypeScript, JavaScript
  • Experience with responsive layout implementation (UX/UI)
  • Familiarity with Azure Service Bus or Kafka - nice to have
  • Knowledge of Jira
  • Fluent Polish - spoken and written, min. C2 level

Benefits

  • 100% Remote - Poland
  • B2B Contract

Related Job Pages

More Backend Engineer Jobs

Role Description As a Software Consultant, you are a leader by example, you are a subject matter expert, and you help lead strategic technical direction. You will get to interact with key client stakeholders on a regular basis and use your experience to prove business ROI through innovative greenfield technology solutions. Software Developers typically have longer tenures and higher retention rates with Callibrity than other companies because the work is challenging and rewarding, we have a strong engineering culture, and we invest in the best people. - Are trusted advisors to our clients and seen as thought leaders in the tech industry - Are keenly aware of big picture business problems and goals and capable of a leadership role - Mentor, train, and upskill your Callibrity peers and clients’ teams - Can solve a wide variety of problems with the appropriate solution drawn from a large subset - Communicate complex ideas effectively, both verbally and in writing - Proactively identify problems, challenges, and issues and recommend the best possible solution - Demonstrate mastery and capable to teach software development best practices (Agile, DevOps, Test Automation, CI/CD, TDD) to others - Stay ahead of the curve by exploring new technologies including AI, Machine Learning, Cloud, and IoT - Thrive in an environment where there is close interaction among different roles and teams - Are admired by the client as someone they can count on, regardless of title or seniority Qualifications - 3+ years of full-stack enterprise Java development experience - Experience with Git / GitHub, Bootstrap, Gradle/Maven or other similar tool is preferred - Experience with SQL, JavaScript frameworks, Springboot, Angular, React, Version Control and Agile is preferred - Desired experience with Kafka and Jenkins is a plus - Cloud experience with AWS, Azure, and/or Google Cloud Platform preferred - Experience with Docker, Kubernetes, and/or developing applications for a major public cloud provider is a plus - Extensive professional experience in Information Technology and/or Consulting - Successfully solve Callibrity’s CoderPad and Code Pairing Challenges - Interpersonal skills: Influencer, professionalism and accountability, passion for learning, us not them mentality, shared responsibility - Interest and enthusiasm for learning and growing in your career - Embodies Callibrity's core values - Must be authorized to work in the United States, without sponsorship Benefits - As a consultant, you’re trusted as an advisor — clients look to you not just for implementation, but for guidance, strategic thinking, and leadership. - Being associated with Callibrity means working with a brand known for delivery excellence, transparency, and results. - Competitive Pay - PTO - Potential to Convert: Strong possibility for full-time hire (will start as a 1099 or W-2 hourly) - Impactful Work: Help drive application best practices in a respected organization - High employee retention and satisfaction (One of Cincinnati’s Best Places to Work!) - Work-life balance

United States
Full TimeRemoteTeam 5,001-10,000Since 1995H1B No Sponsor

• Intelligent Backend with Agentic Development: Use your AI expertise to optimize the integration development workflow, applying concepts such as Claude Code, Skills, and MCPs. • Microservices and BFF Architecture: Design and develop microservices and Backends for Frontend (BFFs) in Java, ensuring efficient communication between the SuperApp and legacy systems. • Specification-Driven Development (SDD): Apply the Spec-Driven Development methodology to ensure implementations are fully aligned with requirements. • AWS Management and Deployment: Work directly with the AWS cloud environment, using services such as EKS (Kubernetes), SQS, and S3 to ensure scalability and resilience of services. • DevOps and Quality Pipeline: Ensure code quality with unit tests, participate in code reviews, and contribute to the deployment process (RDMs) using GitLab, Jenkins, and SonarQube.

Brazil
Full TimeRemoteTeam 5,001-10,000Since 1995H1B No Sponsor

• Participate in understanding technical requirements, actively contributing to inceptions, refinements, and solution definitions. • Develop, enhance, and maintain Full Stack applications using .NET on the backend and Next.js on the frontend. • Design and consume REST APIs, ensuring integration between platform services. • Build responsive, high-performance, and scalable user interfaces using Next.js, React, and TypeScript. • Implement automated tests to ensure delivery quality and reliability. • Perform code reviews, promoting best development practices and code quality. • Analyze and resolve production incidents. • Participate in deployment processes and application support. • Collaborate with multidisciplinary teams to ensure technical alignment and continuous solution improvement.

Brazil
Job Closed
Full TimeRemoteTeam 51-200Since 2020H1B No Sponsor

• You'll join a team building AI-powered accelerators that generate correct, idiomatic, production-ready code across major cloud data platforms — Databricks, Snowflake, BigQuery, and AWS. • Your work spans building platform adapters, encoding platform-specific correctness rules into validators and evaluation layers, and shaping high-value generation targets including ingestion pipelines, transformation logic, warehouse/catalog scaffolding, orchestration, IaC, CI/CD, and governance accelerators (data contracts, lineage, metadata, PII, data quality). • You'll work closely with delivery teams and design partners to ensure outputs are reviewable, adopted, and genuinely used.

Portugal
€2.3K - €3K / month