Position Overview

We are seeking a skilled and solutions-oriented Software Engineer / Developer to design, develop, test, and maintain reliable software applications that support business operations and digital financial services in Estonia. The successful candidate will contribute to the development of scalable software systems, improve existing applications, and collaborate with cross-functional teams to deliver secure, high-quality technology solutions.

Working alongside software engineers, product specialists, designers, quality assurance professionals, and business stakeholders, the Software Engineer / Developer will translate technical requirements into functional applications and maintainable code. The role involves software architecture implementation, application development, API integration, database management, automated testing, debugging, and continuous improvement throughout the software development lifecycle.

The ideal candidate combines strong programming fundamentals with practical problem-solving skills and a commitment to software quality. Experience in fintech, digital banking, payment platforms, financial applications, or other transaction-intensive systems is advantageous. The candidate should be comfortable working in an agile environment, contributing to technical discussions, and delivering solutions that meet performance, security, reliability, and usability requirements.

Key Responsibilities

1. Software Design and Development

• Design, develop, and maintain software applications based on business requirements, technical specifications, and established engineering standards.
• Write clean, reusable, maintainable, and well-documented code using appropriate programming languages, frameworks, and development tools.
• Build new application features and enhance existing functionality to improve system capabilities and user experience.
• Translate product requirements and technical designs into practical implementation plans and working software.
• Contribute to architectural discussions and recommend appropriate technical approaches for scalability, maintainability, and performance.
• Follow established coding conventions, software design principles, and version-control practices.

2. Backend and Application Development

• Develop application logic, business services, data-processing components, and server-side functionality where required.
• Build and maintain APIs that enable secure communication between applications, internal services, and external systems.
• Implement authentication, authorisation, input validation, error handling, and appropriate application security controls.
• Integrate databases, third-party services, and internal business systems to support reliable data exchange.
• Investigate application bottlenecks and improve processing efficiency, response times, and resource utilisation.
• Ensure that software components remain maintainable, testable, and compatible with the wider technology environment.

3. Frontend and User Interface Integration

• Develop responsive and accessible user interfaces where the role includes frontend responsibilities.
• Integrate frontend components with backend services and APIs.
• Collaborate with UX/UI designers to implement clear, consistent, and user-friendly application experiences.
• Ensure that application interfaces behave reliably across supported browsers, devices, and screen sizes.
• Identify and resolve interface defects, performance issues, and usability problems.
• Maintain consistency with established design systems and frontend development standards.

4. Database Design and Data Management

• Design, query, and maintain relational or non-relational databases according to application requirements.
• Develop efficient database queries and support appropriate indexing, data validation, and transaction handling.
• Maintain data integrity and implement suitable controls for accessing and modifying sensitive information.
• Support database schema changes, migrations, backups, and performance optimisation in collaboration with relevant teams.
• Investigate data inconsistencies and resolve application-level issues affecting the accuracy or availability of records.
• Follow data-handling policies and applicable privacy requirements when processing customer or business information.

5. Testing, Debugging, and Quality Assurance

• Develop and maintain unit tests, integration tests, and other automated checks appropriate to the application.
• Investigate software defects, reproduce reported issues, identify root causes, and implement reliable fixes.
• Participate in code reviews and provide constructive feedback to improve code quality and engineering consistency.
• Validate new features against acceptance criteria and relevant functional, performance, and security requirements.
• Work with quality assurance professionals to resolve defects and prevent recurring problems.
• Maintain appropriate technical documentation covering application behaviour, configuration, testing, and known limitations.

6. API Integration and Financial Technology

• Develop and maintain integrations with payment providers, financial platforms, identity services, and other third-party systems where applicable.
• Implement robust API communication, including authentication, request validation, error handling, and appropriate retry mechanisms.
• Support reliable transaction workflows, data synchronisation, reconciliation processes, and event-driven integrations where relevant.
• Help ensure that integrations handle failures, duplicate requests, and inconsistent responses safely.
• Collaborate with product, operations, and compliance teams to understand the technical implications of financial service requirements.
• Apply appropriate security and data-protection principles when working with payment information and financial records.

7. Security, Reliability, and Performance

• Apply secure coding practices and address vulnerabilities identified through testing, code review, or security assessments.
• Protect application data through appropriate access controls, secure configuration, encryption mechanisms, and secrets management.
• Monitor application behaviour and assist in resolving production incidents, service interruptions, and performance degradation.
• Contribute to logging, monitoring, alerting, and diagnostic capabilities that improve system observability.
• Support reliable deployment practices, rollback procedures, and operational readiness for software releases.
• Work with infrastructure and security teams to strengthen system resilience and maintain appropriate engineering controls.

8. Version Control and Development Collaboration

• Use Git-based version control and established branching, pull-request, and code-review workflows.
• Participate in sprint planning, daily coordination, technical discussions, and retrospective meetings as part of an agile development process.
• Collaborate with designers, product managers, QA engineers, and other developers to deliver agreed milestones.
• Communicate technical risks, dependencies, implementation decisions, and delivery estimates clearly.
• Contribute to technical documentation, development guidelines, and shared engineering knowledge.
• Support the continuous improvement of development workflows, engineering practices, and team productivity.

9. Deployment and Continuous Improvement

• Work with DevOps or platform engineering teams to prepare applications for testing, staging, and production environments.
• Support CI/CD pipelines, automated build processes, release validation, and deployment troubleshooting.
• Help diagnose environment-specific issues and improve consistency across development and production systems.
• Refactor legacy components where appropriate to improve maintainability, reliability, and performance.
• Evaluate suitable libraries, frameworks, and development tools based on technical requirements and long-term support considerations.
• Contribute to technical improvements that reduce operational complexity and support future product development.

Qualifications and Experience

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience.
• Professional experience developing and maintaining software applications in a commercial or project-based environment.
• Strong programming skills in one or more relevant languages, such as Java, Python, C#, JavaScript, TypeScript, Go, or Kotlin.
• Practical understanding of data structures, algorithms, object-oriented programming, software design principles, and debugging techniques.
• Experience with modern application frameworks and development tools relevant to the chosen technology stack.
• Familiarity with REST APIs, database systems, Git, automated testing, and software deployment workflows.
• Understanding of software security, performance optimisation, error handling, and maintainable code design.
• Ability to interpret technical requirements, work independently on assigned tasks, and collaborate effectively with a development team.
• Strong analytical thinking, attention to detail, and written and verbal communication skills.
• Professional working proficiency in English. Estonian language skills are an advantage but are not essential for every international technology team.

Technical Environment

The exact technology stack will depend on the organisation’s products and engineering architecture. Relevant technologies may include:

• Programming languages: Java, Python, C#, JavaScript, TypeScript, Go, or Kotlin.
• Frontend frameworks: React, Angular, or Vue.js.
• Backend frameworks: Spring Boot, .NET, Node.js, Django, FastAPI, or comparable frameworks.
• Databases: PostgreSQL, MySQL, Microsoft SQL Server, Redis, or MongoDB.
• API and integration technologies: REST, OpenAPI, webhooks, message queues, and event-driven services.
• Development tools: Git, GitHub, GitLab, Jira, automated testing frameworks, and code-review platforms.
• Cloud and deployment: AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, and CI/CD tools where relevant.

Candidates are not expected to have experience with every technology listed. Relevant expertise in the organisation’s primary stack and the ability to learn additional tools are more important.

Core Skills and Competencies

• Software engineering and application development
• Programming and problem-solving
• API design and system integration
• Database development and data integrity
• Software testing and debugging
• Secure coding and application reliability
• Version control and collaborative development
• Performance optimisation and technical troubleshooting
• Agile software development practices
• Technical documentation and code review
• Analytical thinking and continuous learning

Performance Expectations

The Software Engineer / Developer will be expected to deliver reliable software features, maintain high coding standards, resolve defects efficiently, and contribute positively to the engineering team’s objectives.

Performance will be assessed through code quality, completion of agreed development tasks, defect rates, test coverage where appropriate, application performance, reliability of delivered features, quality of technical documentation, and collaboration with other engineering and business teams.

First-Year Objectives

During the first 12 months, the successful candidate will be expected to gain a thorough understanding of the organisation’s software architecture, development processes, and product requirements. Key objectives will include delivering agreed application features, improving existing code where appropriate, contributing to automated testing, strengthening technical documentation, and supporting reliable software releases.

For a fintech-focused environment, additional priorities may include improving API integrations, strengthening transaction-processing reliability, addressing application security findings, and contributing to systems that support secure and dependable financial services.

Why This Opportunity

This position offers the opportunity to build practical technology solutions within Estonia’s digital and technology-oriented business environment. The Software Engineer / Developer will contribute to the development and improvement of applications that support business processes, customer experiences, and digital financial services.

The role provides opportunities to collaborate with experienced professionals, work with modern engineering tools, solve meaningful technical challenges, and develop expertise across software architecture, application security, system integration, and scalable application development.

Ideal Candidate

The ideal candidate is a technically capable, curious, and dependable software professional who takes ownership of the quality of their work. They can break complex problems into manageable tasks, make sound technical decisions, and produce code that other engineers can understand, test, and maintain.

They value collaboration, welcome constructive code reviews, and understand the importance of security, reliability, and clear documentation. They are also willing to learn new technologies, adapt to changing requirements, and continuously improve their engineering practices while contributing to the organisation’s long-term technical objectives.

Are you interested in this position?

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