Senior Software Engineer - Java, Typescript, AWS (Trading)

Our mission is to 'help people to save and invest with confidence'. We are looking for great people to come and join us, so come and invest in YOUR future at HL.

Why join us?

• Work the way you want – Most colleagues work remotely, but you can also work from our office in WeWork Mennica Tower in central Warsaw. Please note, all work must be performed within Poland, as remote work from abroad is not allowed.
• Healthy work-life balance – we value your time, which means no overtime culture.
• Helpful, knowledge-exchange team – work jointly with experienced engineers who are passionate about clean code, best practices, and continuous learning.
• Modern tools & technologies – develop enterprise-scale solutions in a technology-focused environment.

What You'll Be Doing

• Building and deploying scalable, fault-tolerant microservices at pace, owning them end-to-end.
• Integrating with cloud applications, operating in a zero-trust, security-first environment.
• Delivering value iteratively, always focused on customer outcomes and short feedback loops.
• Creating and visualizing application metrics to evaluate usage patterns and detect anomalies.
• Reviewing code with peers, with an eye for both quality and velocity.
• Working with others in the team to solve problems, not just deliver features.
• Innovating and bringing new ideas for adoption across HL Digital.
• Driving technical choices and shaping how we build our services.
• Providing coaching and mentoring to peers.

About You

• Min C1-level proficiency in both English and Polish – you will use both languages in all aspects of your daily work.
• Solid background in building and deploying services with Java (Spring Framework) and Typescript (React, Next.js).
• Comfortable working in a cloud-native environment – AWS, Kubernetes (EKS), containers, scaling, etc.
• Familiarity with AWS services and how to integrate them into modern applications.
• Interested in observability, using tools like Prometheus and Grafana to keep services healthy and evaluate usage patterns.
• Solid focus on quality and security, incorporating testing and scanning into CI/CD pipelines.
• Capable of writing clean, maintainable, and well-tested code.
• Happy to review, exchanging knowledge and learn from senior engineers within the team.
• Adaptable, thriving in a fast-moving environment where we ship things quickly and always look to evolve.

Technical Skills

• Java (21) and Spring Framework
• Typescript and/or React, Node.js
• Amazon Web Services (S3, ECS, EKS, SQS, SNS, Lambda) using IaC such as Terraform
• Containers (e.g., Docker, Kubernetes)
• SQL and NoSQL solutions such as PostgreSQL and DynamoDB
• Event-driven and microservices architectures
• CI/CD pipelines and DevOps guidelines
• Design and integration patterns

Benefits

• Copyrights (50% tax relief due to creative type of work)
• PPE (4% employer contribution without any additional cost nor employee contributions required)
• Annual bonus based on performance
• Conference & Training budget
• Private health care & Life insurance
• MyBenefit Cafeteria (benefits platform)
• 2 additional days for volunteering events
• Team events
• The Buddy programme
• Opportunity to grow according to your level of expertise
• Working with new technologies and a multi-diverse team
• Many opportunities to exchange knowledge and ideas
• In-house Trainings

We are an inclusive employer that values diversity in its workforce. We encourage applications from all individuals without regard to race, religion, gender, sexual orientation, national origin, disability or age.