Senior Software Engineer (Java, Typescript, AWS)

Senior Software Engineer (Java, Typescript, AWS)

Join HL Tech and be part of the team, building software for the UK’s largest investment platform.

HL Tech is the technology hub of Hargreaves Lansdown (HL) – a FTSE 100 company and the UK’s number one platform for private investors, trusted by 1.9 million clients with over £155 billion in savings and investments. For over 40 years, HL has been helping people save and invest for a better future, earning over 200 industry awards, including Best Investment App and Best for Customer Service in 2024.

At HL Tech, we are an integral part of HL Group, working hand in hand with teams in the UK to develop software that directly supports HL’s core services. Our solutions are used daily by millions of clients, helping to power the operations of a leading financial institution.

We’re a team of 80 passionate tech professionals in Warsaw, collaborating closely with colleagues in the UK. Our culture is built on innovation, knowledge sharing, and continuous improvement—and we're looking for talented Senior Software Engineer to join our dedicated, autonomous and growing Trading Team to deliver critical new functionality to our clients and internal users. We are looking for someone with a full-stack technical background in Java, Spring Boot and/or Typescript, React, Nodejs using AWS Cloud.

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.

Why join us?

• Work the way you want – fully remote from anywhere in Poland or hybrid from our modern WeWork office at Mennica Tower (Warsaw). We have solutions for regular employees and B2B.
• New products, no maintenance – focus on building innovative solutions from scratch, using the latest technologies.
• Healthy work-life balance – we value your time, which means no overtime culture.
• Be part of something big – your work directly supports a FTSE 100 leader trusted by millions.
• Supportive, knowledge-sharing team – collaborate with experienced engineers who are passionate about clean code, best practices, and continuous learning.
• Modern tools & technologies – develop enterprise-scale solutions in a tech-driven environment.

Your responsibilities

• Writing high quality code adhering to agreed team and regulatory standards as well as review of others code
• Working collaboratively with the team to help deliver significant new features for the business
• Providing engineering support for existing applications when necessary
• Ensuring existing and newly developed solutions are reliable, secure, performant and maintainable
• Maintaining awareness of current secure coding practices and ensuring code produced is in line with these
• Developing and evidencing automated tests alongside code produced
• Documenting all solutions, produced to agreed team standards
• Demonstrating a willingness to learn technologies & techniques embraced by the development team
• Cultivate strong working relationships both within working squad and in HL as a whole
• Actively participating in working groups and communities of practice designed to support the development team
• Continually developing both technical and interpersonal skills

Ideal candidate have

• 5+ years of solid commercial programming experience 
• Very good knowledge of Java and/or Typescript 
• Working knowledge of Spring Framework and/or React, Node.js 
• Hands-on experience with SQL and NoSQL solution like postgresql, DynamoDb 
• Experience with AWS Cloud 
• Experience in working with docker, Kubernetes using microservices architecture 
• Infrastructure as a code (terraform) 
• Hands-on experience with design patterns, programming and testing best practices
• Comfortable working in a Scrum/Agile team;
• Developing secure & maintainable code;
• C1-level proficiency in English and at least communicative level (B2) of Polish – you will use both languages in all aspects of your daily work.

Soft skills & team fit

• Tenacious and quality-driven – you take pride in delivering clean, secure, and maintainable code.
• Collaborative and communicative – you work well with others, share knowledge, and express ideas clearly.
• Solution-oriented and creative – you tackle challenges with practical, innovative solutions.
• Eager to learn and adapt – you embrace new ideas and grow with your team.
• Comfortable in Agile environments – you thrive in cross-functional collaboration and value constructive feedback.
• Committed to continuous improvement – you always seek ways to refine processes, code, and team dynamics.

Benefits

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

Join us!