Senior Full Stack Engineer

Creditstar Group; Polska; Remote; PLN 245,000 - 295,000; Full time

Benefits offered by this job

Remote work option

Health insurance compensation

Office access in Tallinn

Job summary

Creditstar Group is a rapidly growing international fintech with a Tallinn HQ, now seeking a Full Stack Engineer in a fully remote setup in Poland. You will develop features for backend and frontend systems, collaborating with the product team to design scalable architectures and automated tests.

Required are strong PHP (Yii2), database skills, and modern JavaScript experience (React/NodeJS). The role offers remote work, international collaboration, and a competitive EUR salary.

Qualifications

• Extensive experience with modern PHP (Yii2) and relational databases.
• Proficient in frontend technologies (HTML/CSS, JavaScript, React/TypeScript).
• Strong communication, problem-solving, and teamwork skills.
• Ability to work independently in a fully remote team setup and deliver high-quality code.

Responsibilities

• Designing and coding backend and frontend systems.
• Solving technical challenges and fixing bugs.
• Follow and maintain coding standards and best practices.
• Conduct functionality testing and write automated tests.
• Define and document technical solutions and best practices.

Skills

PHP

Yii2

HTML/CSS

JavaScript

TypeScript

PostgreSQL

Tools

React

NodeJS

Docker

Datadog

Sentry

AWS

Jira/Atlassian

Job description

Creditstar Group is a rapidly growing international consumer finance company, headquartered in Tallinn, Estonia and operating in multiple European markets.

At the core, we are a financial technology company that uses automated processes, algorithms and data analysis to make financial instruments easily available to a population of more than 175 million people in our target markets. We are a team of ambitious professionals who value innovation, effective efficiency, high growth, and high performance. For more information on the group, please visit www.creditstar.com.

Our vision is to build and deliver digital banking products of the future. If you want to be part of this, here is your chance.

YOUR POSITION: FULL STACK ENGINEER

YOUR ROLE:

We are looking for a solution-focused person, who is a great communicator and a team player. Your role is to participate in product and platform development - work closely with the revolving credit product team to develop new features, frameworks and detailed application designs on core architecture of the company's backend system and develop and maintain scalable software solutions and high-quality web platforms that are built up automation in mind.

YOUR DAILY ACTIVITIES INCLUDE:

• Designing and coding our backend and frontend systems
• Solving technical challenges and fixing bugs
• Follow and maintain coding standards and best practices
• Conduct functionality testing and write automated tests.
• Define and document technical solutions and best practices

REQUIREMENTS:

• Extensive experience with modern PHP, with the ability to leverage the strengths of the language
• Good analytical, problem-solving and communication skills
• You have a strong passion for technology and love to code
• You have worked with relational databases like MySQL or PostgreSQL before
• You thrive in a fast-paced, results-oriented environment. You are self-motivated and proactive, able to work independently in a fully remote team setup
• Proven ownership mindset—taking initiative, solving problems proactively, and driving solutions forward

NICE TO HAVE:

• Experience with the Yii2 framework is a plus
• Experience with NodeJS is a plus
• Experience with React or other major JavaScript frameworks
• Financial service development background
• Experience with distributed systems
• You love optimization and the beauty of automation

TOOL STACK:

• PHP, Yii2, HTML/CSS, Javascript, Typescript, PostgreSQL
• React, Nodejs, Jquery
• Docker
• Atlassian products
• Datadog, Sentry
• AWS

Benefits

• Dynamic, challenging, and rewarding work within a rapidly growing international company;
• Chance to contribute to the business' decision-making processes and making a tangible impact;
• Talented and fun international team who always has your back;
• New modern office in the heart of Tallinn
• Sports or Health insurance compensation
• Paid birthday day- off
• Regular company parties and events;
• Office with games, ping pong table, free snacks/drinks and the possibility to work remotely;
• Powerful equipment and modern tools;
• On-demand sponsorship for your professional development;
• Competitive remuneration package

Gross salary range for this position is €5000-€6000 per month.