Software Engineer – Back End

Tillster

Mid Level Backend Software Engineer developing scalable microservices in a serverless architecture at Tillster. Collaborating with teams to improve platform architecture and leveraging AWS technologies.

Posted 7/10/2026full-timeRemote • 🇵🇹 PortugalMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable microservices and serverless architectures using Java or Typescript, with a strong understanding of AWS technologies and application integration techniques. Proficient in designing reusable libraries and APIs while effectively collaborating with stakeholders to deliver high-performance solutions.

Highest-signal resume keywords

Java Application DevelopmentTypescript Application DevelopmentAWS Serverless ArchitectureMicroservices DesignAgile/Scrum Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaTypescriptPythonC#MicroservicesAPIsRelational DatabasesNoSQL DatabasesLinux/UnixNetworking

Soft Skills

Effective CommunicationVerbal SkillsWritten Skills

Tools & Technologies

AWSDynamoDBSQSContinuous Delivery PipelineApplication Integration Techniques

Certifications & Qualifications

Bachelor’s Degree in Computer Science

Industry Keywords

Service-Oriented ArchitectureEvent Driven ArchitecturePoint-of-Sale DevelopmentPayment Systems

Tech Stack

Tools & technologies

AWSDynamoDBJavaLinuxMicroservicesNoSQLPythonTypeScriptUnix

About the role

Key responsibilities & impact

Building highly scalable microservices in a serverless backend architecture with a continuous delivery pipeline.
Participate in design sessions to help improve the overall architecture of platform.
Become well versed in AWS technologies and building a modern event driven serverless architecture.
Work with stakeholders and product owners to understand requirements and come up with solutions.
Continuous learning: Tillster provides access to LinkedIn learning courses where you can beef up your skills in different areas as needed.
Utilizing various application integration techniques to communicate with third party and legacy/back-end systems.
Help with the development of high-volume, high-performance, high-availability, service-oriented Java or Typescript applications using proven Java or typescript frameworks and technologies.

Requirements

What you’ll need

3-5+ years’ experience in design and development of service-oriented Java, Python, C# , Typescript(or any modern language) applications
Design and develop reusable libraries and APIs and microservices
Languages: Any modern OOP language will do, but Java or Typescript preferred.
Experience with relational or NoSQL data stores
Relevant O/S knowledge (Linux/Unix and Windows), Networking knowledge and experience
Ability to communicate effectively in English, with good verbal and written skills.
Agile/Scrum experience
Previous experience with Point-of-Sale development or payment systems is a plus but not required.
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.

Benefits

Comp & perks

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.