Senior Software Engineer – Back End

SENIOR SOFTWARE ENGINEER – BACK END

(MUST BE ABLE TO START IMMEDIATELY OR NO LONGER THAN 2 WEEKS NOTICE)

Remote, but must be based in Portugal (Porto, Braga, Lisbon or Coimbra)

About Tillster

Headquartered in the USA, Tillster is the global leader in digital ordering and customer engagement solutions. For over a decade we have developed revolutionary self-service, ordering and payments solutions – for mobile, tablet, online, kiosk, call center, and more – creating personalized interactions based on consumer preferences, language, and currency. Our platform is compatible with 15+ unique POS systems, representing over 90% coverage in multi-unit restaurants. We offer one platform: one scalable, enterprise class solution – to create world-class digital engagement solutions. Our mission and passion are one in the same: Empower restaurants and consumers to engage and transact anywhere, anytime, and from any device - one consumer at a time, one order at a time, billions of times over. In doing so, together we are transforming e-commerce in restaurants and making the till grow for Tillster and our customers.

Are you a passionate Software Engineer with a knack for designing and developing quality software solutions? Tillster is the place for you—we are seeking an experienced Software Engineer.

About the Role

As a Senior Software Engineer (SSWE), BACK END you will play a pivotal role in designing, developing, and maintaining our cloud-based microservices. You will collaborate closely with cross-functional teams to deliver high-quality software solutions that meet business needs while following best practices, including design patterns, architectural patterns, thorough testing methodologies, and modern AI developer tools to accelerate quality software delivery. You will contribute to fostering an agile, collaborative, and high-performing development environment.

What You'll Do

• Building highly scalable, secure, and high-performance microservices using AWS and TypeScript. Apply key software engineering principles, design patterns, and architectural best practices.

• Leverage state-of-the-art AI developer tools (e.g., Claude Code, GitHub Copilot, LLM reasoning models) to accelerate context gathering, boilerplating, test generation, and code refactoring.

• Build and maintain microservices that communicate via well-defined APIs, ensuring service modularity and scalability.

• Implement robust unit tests, integration tests, and end-to-end tests to ensure high-quality code. Work towards achieving high test coverage and adopting test-driven development (TDD) where applicable.

• Actively participate in Agile ceremonies (Scrum or Kanban) such as daily stand-ups, sprint planning, retrospectives, and backlog refinement. Contribute to sprint goals and collaborate effectively with the team.

• Conduct and participate in code reviews, ensuring adherence to coding standards, best practices, maintainability, and critically evaluating AI-generated code outputs for security and correctness.

• Participate in design sessions to help improve the overall architecture of the platform.

• Work with stakeholders and product owners to understand requirements and come up with solutions.

• Continuous learning: Tillster provides access to learning courses where you can beef up your skills in different areas as needed.

About You

• 5+ years’ experience in design and development of service-oriented Java, Python, C#, Typescript (or any modern language) applications.

• Experience in designing and building microservice-based systems, ensuring high cohesion and loose coupling.

• Languages: Any modern OOP language will do, but Typescript is preferred.

• Comfortable integrating AI tools (e.g., Claude Code, Cursor, ChatGPT/Claude) into your daily workflow to boost engineering velocity while maintaining deep critical code validation.

• Experience implementing comprehensive testing strategies including unit tests, integration tests, and end-to-end tests.

• Experience with relational or NoSQL data stores.

• Expertise in applying industry-standard design patterns and architectural patterns.

• Ability to communicate effectively in English, with good verbal and written skills.

• Experience working in an Agile environment (Scrum or Kanban), contributing to team-driven development processes.

• Understanding of security best practices in software development, including OAuth, JWT, encryption, etc.

• Bachelor’s degree in Computer Science (or similar) or equivalent experience.

• Prior experience with AWS serverless and companion technologies like DynamoDB, SQS, etc. would be great but not required.

• Strong analytical and problem-solving skills, with a mindset geared toward continuous improvement.

• Comfortable working in a fast-paced, dynamic environment, with the ability to handle ambiguity and changing requirements.

Thriving at Tillster

As a member of Tillster, you will embody our core values:

• Put Customers First: Prioritize the needs and satisfaction of our customers in all decisions and actions appropriate to Tillster’s stage of development, resources, and stated goals.

• Collaborate: Work together effectively, leveraging diverse perspectives to achieve common goals.

• Innovate: Embrace creativity and pursue new ideas to drive progress and improvement.

• Operate from Data: Use strong critical thinking skills to make informed decisions based on accurate and relevant data.

• Drive Results: Focus on achieving tangible outcomes and delivering high performance.

• Own It: Take responsibility for your actions and the success of your work.

• Be Passionate and Have Fun: Bring enthusiasm to your work and enjoy the journey.

The Interview Process

1. Recruiter interview with a Talent Acquisition specialist

2. AI-assisted pair programming exercise / code review interview with our Back End Engineering Manager

3. Final interview with our Program leader TCE

Making a Difference in the Tillster Way

Our business and product mission is to empower restaurants and consumers globally; by empowering, supporting, and nurturing the people who are part of the global Tillster team. We are committed to fostering an inclusive and diverse work environment where every team member is respected, empowered, and encouraged to grow. To make this a reality, Tillster is dedicated to embracing diversity in all forms and is proudly an equal opportunity employer. We do not discriminate based on race, color, religion, national origin, gender identity, sexual orientation, age, family/parental status, marital status, veteran status, disability, or any other protected status.

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Pay and Benefits (PORTUGAL)

• Compensation competitive to market and geographical location.

• Meal allowance for each day worked available through meal card.

• Home/Office allowance reimbursement per calendar month, pro-rated based on employment start date.

• Health insurance: Tillster pays the premium for employee private health insurance. Employees have the option to add their spouse/dependents at the employee’s cost.

• Holidays: Up to 20 federal and local/municipal holidays in accordance with applicable Portuguese Labour laws, dependent on your employment start date.

• Vacation: Up to 22 days of vacation every holiday year, pro-rated based on employment start date.

• Education, Learning & Development: We offer Udemy Learning courses; and ongoing learning and development opportunities.

Local Candidates Strongly Preferred
No Visa Sponsorship
Principals only – no Agencies or calls pleaseTillster is proudly an Equal Opportunity Employer

No Visa Sponsorship

Principals only – no Agencies or calls please

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Tillster cares about the safety of all our employees—even those we’ve yet to hire

RECRUITMENT FRAUD WARNING
We want to help you stay safe during your job search. Tillster will never:

• Request personal/financial information during recruitment

• Require payment or fees

• Ask for sensitive PII before a formal job offer

• Collect information via email or phone (only through secure channels)

• Extend offers without in-person or virtual interviews

Red flags: All official communications come from @ addresses only
Suspicious activity? Report immediately to Tillster HR, Legal, or Cyber Security teams.

----------

Tillster cares about the safety of all our employees—even those we’ve yet to hire

RECRUITMENT FRAUD WARNING
We want to help you stay safe during your job search. Tillster will never:

• Request personal/financial information during recruitment

• Require payment or fees

• Ask for sensitive PII before a formal job offer

• Collect information via email or phone (only through secure channels)

• Extend offers without in-person or virtual interviews

Red flags: All official communications come from @ addresses only
Suspicious activity? Report immediately to Tillster HR, Legal, or Cyber Security teams.