Senior Backend Software Engineer (Typescript/Node.js)

Architus specialises in connecting leading UK and US businesses with top EU engineering talent, helping build high-performing technology teams and establish presence overseas. With offices in London and Vilnius, Architus has a strong track-record and impressive list of clients such as Invesco, Tide, Capital Group, Schroders, BNP Paribas, and HSBC.

The Opportunity

Architus is partnering with a leading UK energy company to help build a significant presence in Lithuania. With a reputation for innovation, the company is tackling some of the world's most pressing problems by creating better energy systems for the planet and for everyone on it.

This is an exciting time to join, as the company is expanding and offers numerous opportunities for professional development. You will be part of a passionate team dedicated to making a tangible difference in the world through cutting-edge technology, all driven by a dynamic and entrepreneurial spirit.

About The Team

You will be joining a team that is part of the largest strategic transformation in the company's history, developing greenfield target state technology and innovative solutions for over 4 million customers.

You will be part of an autonomous Product team grouped with several other teams under a common Fintech domain which includes Energy Trading, Payments and Exports. You will be working alongside teammates in Lithuania, while also collaborating with colleagues in the UK.

What You'll Be Doing

As a back end engineer you will be helping to build API-first services that form part of a new target architecture. You will have the opportunity to contribute towards the design, built and scaling of customer products and services, collaborating with other Product and Engineering teams.

You'll engage with cutting-edge technologies like TypeScript, PostgreSQL, and MongoDB, and utilize CI/CD pipelines built with Terraform and Kubernetes on GCP. Embracing agile methodologies, working with your team to achieve common objectives.

Core Responsibilities

• Software Design and Development: Design and implement robust, scalable, and maintainable software features and components, writing clean, efficient, and well-documented code
• Technical Contribution: Participate in architectural discussions, ensuring alignment with overall system architecture and best practices
• Quality Assurance: Develop and maintain automated tests (unit, integration, and end-to-end) to ensure software reliability. Conduct thorough code reviews and provide constructive feedback to peers
• Problem Solving: Analyze, diagnose, and resolve complex software defects and performance bottlenecks
• Collaboration: Work effectively within an agile team, collaborating with product managers, designers, and other stakeholders to deliver successful products
• Mentorship: Mentor and guide junior engineers in technical development, best practices, and problem-solving
  
  

Experience

Key Requirements & Qualifications

• Solid hands-on professional software development experience is required
• Proven experience working with the full software development lifecycle (SDLC) in an Agile/Scrum environment
• Experience in designing, building, and maintaining microservices-based architectures is essential
  
  

Technical Skills

• Primary Languages & Frameworks: Strong proficiency in our primary technology stack is required
  
  

Languages: Node.js, Python, TypeScript, JavaScript.

Frameworks: React.js and React Native.

• Secondary Languages: Equivalent experience with other modern backend languages will also be considered, particularly Java, Scala, or Kotlin, especially within a microservices context
• Cloud Platforms:
  
  

Our primary environment is Google Cloud Platform (GCP), and professional experience here is preferred.

Strong experience with Amazon Web Services (AWS) is also highly valued and will be considered.

• Containerisation: Expertise with Docker and Kubernetes is required for senior roles and preferred for all others
• Databases: Solid experience with relational databases and data modeling
• Tools and Practices: Proficiency with version control systems (Git), CI/CD pipelines, and automation tools
• Core Concepts: Deep understanding of data structures, algorithms, software design patterns, and distributed systems
  
  

Professional Attributes

• Strong analytical and problem-solving skills
• A proactive, self-motivated approach with a focus on code quality, maintainability, and technical excellence
  
  

What You'll Get In Return

• Salary: From €6000 gross/month based on your experience (full time only, no B2B contracts)
• Career Growth: Fast-track your career with exciting opportunities to work with cutting-edge tech in a global environment
• Holidays: Extra vacation days
• Workplace: Modern, pet-friendly office in Business Stadium, Vilnius - complete with parking and snacks to keep your productivity!
• Flexibility: Hybrid working options for the perfect work-life balance
• Perks: Access to a learning platform, team-building budget, and high-spec hardware to help you thrive
• Brand new high specification hardware
• Dynamic, collaborative and friendly working environment
  
  

Ready to Join Us?

If you're excited about this opportunity and believe you're the right fit, we'd love to hear from you! Apply now and let's create something amazing together. We look forward to meeting the next Architus star!