Back End Developer

About the Role

We are looking for a

Backend Developer

to join our IT team in

Tallinn

and help evolve and scale our

global credit platform and partner integrations

.

You will work on backend services that power our financial products used by

millions of consumers across multiple markets

. Our backend services are primarily written in

Go

, deployed in

containerized environments

, and built around a

microservice architecture

.

In this role, you will design and build reliable backend services, integrate with external partners, and contribute to the evolution of our platform architecture. You will collaborate closely with the

product owner and engineers

in an

Agile environment

to deliver high-quality features and improvements.

We care deeply about

engineering quality and ownership

. Our team values

clean code, thoughtful architecture, code reviews, and small iterative releases

. We are looking for engineers who take responsibility for their systems and understand the

full software development lifecycle

, from design and implementation to deployment, monitoring, and continuous improvement.

Key Responsibilities

• Design and build

backend and platform components in Go

(prior Go experience is a plus but not required)

• Develop and maintain

integrations with external APIs and third-party services

• Write and maintain

database migrations and data transformation scripts in SQL

• Implement

unit and integration tests

to ensure system reliability and maintainability

• Participate in

code reviews, architecture discussions, and technical planning

• Collaborate closely with the

product owner, developers, and designers

to define and implement new features

• Contribute to improving

system architecture, performance, and scalability

• Stay up to date with

emerging technologies and industry best practices

What We Are Looking For

Requirements

• 3\+ years of experience in backend development
• Hands-on experience with

Docker and containerized environments

• Experience designing and building

microservice architectures

• Strong understanding of

distributed systems

• Experience building

REST APIs and RPC services

• Solid knowledge of

relational databases

(PostgreSQL, MySQL, or similar)

• Familiarity with

message queues and event-driven systems

• Experience working with

Git-based development workflows

• Fluent English

communication skills

Nice to Haves

It’s a bonus if you have experience with:

• Building and operating services in

AWS or other cloud platforms

• Managing infrastructure using

Infrastructure as Code

(e.g. Terraform)

• Designing or maintaining

CI/CD pipelines

and automated deployment workflows

• Monitoring and observability tooling such as

Grafana

• Working with

modern JavaScript ecosystems

(React, Vue, Angular)

• Building

automation workflows, ETL pipelines, or integration tooling

• Experimenting with

AI-assisted development or agent-based automation

• FinTech DNA:

Previous experience working in a Neobank, FinTech, or high-growth tech environment (e.g. Revolut, Wise, Bolt).

About Clar

At Clar, we are building the digital infrastructure of tomorrow's credit economy—making it global, scalable, and transparent. We operate a proprietary credit platform that simplifies access to credit across four continents, connecting millions of consumers with over 300 financial institutions through a single, scalable ecosystem.

With 9 brands active in over 20 countries and 11 markets, Clar has experienced rapid growth since our launch. We are committed to building the financial rails for the next decade of global lending. As we expand our Global Product team across our tech hubs in Tallinn and Poland, we are looking for ambitious talent to help us grow.

Why Join Clar?

• Global Scale:

Work on a platform that connects millions of consumers across four continents.

• Ownership \& Impact: Your work will directly influence core platform capabilities and partner integrations, giving you real ownership and visible impact.
• Modern Engineering Environment: Build and operate services using modern technologies, microservice architecture, and cloud infrastructure.
• Room to Experiment:

We encourage engineers to

explore new technologies, tools, and ideas

that help improve our platform and development processes.