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Senior .NET Back End Engineer
askblue
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 10/15/2026
About this role
Do you know askblue? We were born in 2013, and we provide services in the field of information technology. We are looking for Senior .NET Back End Engineer to join our company, in one of our projects, in the the regulatory intelligence sector, located in Lisbon. Tasks: • Writes clean, maintainable code using .NET C# along with other modern tools such as Kafka, Postgres, and ElasticSearch. • Regularly delivers high-quality, working software as part of a software development team. • Builds a deep, expert understanding of their team’s codebase. • Provides highly insightful, comprehensive code reviews with an eye towards bigger-picture concepts. • Ensures documentation exists for all critical systems and writes technical guides used widely by other engineers. • Monitors dashboards and alerts and responds to incidents with the appropriate level of urgency. • Drives technical decision making, expertly identifying trade-offs and risks and considering organization-wide technical alignment. • Effectively diagnoses the root cause of complex bugs and provides a fix along with an automated regression test. • Leads specification and refinement of technical improvements. • Mentors, coaches and empowers other engineers and shares knowledge through demos and presentations. Requirements: • Bachelor’s degree (or equivalent) in computer science or a related field. • At least 6 years working with .NET C#. • Understanding of how to apply microservice architectures successfully, with knowledge of multiple patterns and techniques and the tradeoffs of each; • Experience with event-driven architectures and event streaming/messaging tools like Kafka (preferred), Pulsar, RabbitMQ, etc. • Experience using both SQL and NoSQL databases - ElasticSearch (preferred), PostgreSQL (preferred), Dynamo, MongoDB, Redis, etc. Understanding of which database is best deployed depending on the use case. • Proven ability to identify opportunities for best practice improvements within the team and share knowledge in order to address them- • Ability to tackle highly complex technical problems independently. • Track record of quickly learning about complex architectures and code-bases. • Experience in working in an Agile environment. • Technical leadership experience, including mentoring other engineers. • Understanding of how to use Feature Flags for quicker releases. • Excellent communication skills. Able to communicate clearly and effectively, adjusting style depending on the audience. • Able to work effectively as part of a team, contributing to the team dynamic and resolving conflicts constructively. • Can quickly adapt and embrace change. • Champion of continuous improvement. • Shows initiative in tackling problems, executing pragmatically and making data-driven decisions. Work Arrangement: • Hybrid (Twice a week in the office). Offer: • Health Insurance; • 3 and a half days of leave per year + 22 vacation days; • Unlimited access to Udemy. If you are interested in the opportunity, upload your CV. askblue – where business meets technology