Senior Software Engineer developing highly available backend systems for FanDuel products in Romania. Collaborating with engineers to solve complex technical challenges in a fast-paced environment.
Responsibilities
You are efficient with resource usage (e.g., system hardware, database, memory/CPU, etc.).
You own parts of product and technology & strive to become a subject matter expert.
You write simple and extendable code following standards and best practices.
You test your code thoroughly.
You help balance customer requirements with the team requirements.
You help your team evolve by actively participating in the code review process, design discussions, team planning, and support ticket reviews.
You take on projects and make software enhancements that improve the team software and processes.
You work to resolve the root cause of complex problems, leaving software better and easier to maintain than when you found it.
You estimate stories/tasks accurately and deliver them in time.
You keep yourself up to date with industry tools, utilities, and open-source frameworks.
You write technical documentation that shares knowledge effectively.
You mentor and provide guidance to junior colleagues.
Most importantly, you are humble, pragmatic, self-managed, thirsty for knowledge, never satisfied and always challenging the norm.
Responsible for the state of the code you both inherit and produce.
Requirements
Proven experience writing distributed, highly scalable, and available backend systems & APIs using Java SE and/or Java EE: beans, concurrency, transactions, I/O, servlets, messaging, application monitoring, ORM (Hibernate, JPA)
Knowledge of release process best practices for APIs and services within production systems - build tools (e.g. BuildKite, Maven, Gradle), version control (e.g. git) and continuous integration systems (e.g. Jenkins).
Experience working with cloud-based infrastructure and technologies, preferably AWS.
A fundamental understanding of data structures and algorithms.
Hands-on experience with unit testing/mocking frameworks (e.g. junit, mockito).
Strong sense of ownership, urgency, and drive.
Demonstrated abilities driving operational excellence and software best practices.
Experience with testing concepts, test tools, and integrating testing and best practices in the SDLC
Desire to learn and develop your skills through a growth mindset
Passion for working within a fast-paced environment and can adapt to change
Experience with using AI coding assistants and agentic models such as CoPilot, Cursor in a business setting (Desirable)
Exposure to Linux operating systems (Desirable)
Experience using non-relational databases (e.g. MongoDB, Redis, Couchbase) (Desirable)
Experience with analysis & monitoring tools (e.g. DataDog, NewRelic) (Desirable)
Contact with messaging technologies (e.g. RabbitMQ, Kafka) (Desirable)
Container experience (e.g. Docker) (Desirable)
Knowledge of caching systems (e.g. Redis) (Desirable)
Understanding of the full development cycle and some experience of Agile development methodologies and supporting tools e.g. JIRA, Confluence (Desirable)
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