Senior Software Engineer

7 days ago

Tallinn, Harjumaa, Estonia Proekspert AS Full time €60,000 - €90,000 per year

Company Description

Proekspert serves as a link between the digital and physical world
, crafting transformative solutions by merging data and product development proficiency with a design thinking methodology. We work with intelligent machinery, industrial automation, production lines, intricate device integrations, banking infrastructures, and automated management systems—propelling the next industrial revolution.

Job Description

We're looking for a
Senior Software Engineer
to join our experienced development team. In this role, you'll lead complex software development projects, design scalable solutions, and guide your team technically and strategically. You'll work closely with clients and stakeholders, ensuring the delivery of high-quality software that meets the client's real business needs. This position offers the opportunity to make architectural decisions, mentor others, and play an active role in projects initiation and technical direction.

Your work will be focused on the following:

  • Lead the design and development of full-stack solutions.
  • Support architecture, planning, and estimations.
  • Mentor developers and contribute to team growth.
  • Communicate clearly with clients and stakeholders.
  • Participate in project initiation and offer preparation.

Tech Stack You'll Use:

  • Backend: Java, Spring Boot, , REST, microservices
  • Frontend: React, , TypeScript, Redux
  • Infrastructure: Docker, Kubernetes, CI/CD (GitHub Actions, etc.)
  • Databases: PostgreSQL, MariaDB

You'll Excel in This Role If You have:

  • 3+ years of experience in full-stack development.
  • Interest in modern engineering with state-of-the-art AI- including large language models (LLMs), retrieval-augmented generation (RAG), semantic search, and tool-using agents.
  • Understanding how AI changes the shape of software and design systems around it.
  • Knowledge in at least one of the following: AI/LLM Platforms: OpenAI, Anthropic, Mistral, Google (Gemini), etc. Cloud AI: Azure OpenAI, AWS Bedrock, GCP Vertex AI, etc.
  • Strong system design and problem-solving skills.
  • Experience with CI/CD, containers, and cloud infrastructure.
  • Excellent cooperation and communication skills (consultative approach when working with client; ability to present, explain and defend your point of view).
  • Detail-oriented and reliable problem solver mentality.
  • Appetite to learn and work with large and complex systems.
  • Have ambition & drive to learn new things in the ever-changing IT industry.
  • Bachelor's degree or higher in Information Technology or a related field.
  • Excellent spoken and written English. The Estonian language is plus.

Additional information

We value individual freedom, decision-making and proactiveness. In our self-organising and supportive work environment, teamwork is of the utmost importance.

What we offer:

  • Meaningful and stable work with real-world impact.
  • We care deeply about the well-being of our people and their families.
  • Inspiring community and teams, who support and mentor you.
  • An exciting benefits package, including a personal growth budget and profit-sharing.
  • A motivational program and competitive salary.

Place of work: Estonia (Tallinn, Tartu, Pärnu, Kuressaare).

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Coolbet Full time €90,000 - €120,000 per year

    The Job in a NutshellWe are looking for a Senior Software Engineer to join our cross-functional development team that builds, maintains, and improves scalable software solutions powering our products and operations. In this role, you will take part in the full development lifecycle, from design and development to quality assurance, release, and maintenance....

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Coolbet Full time €60,000 - €120,000 per year

    The Job in a Nutshell We are looking for a Senior Software Engineer to join our cross-functional development team that builds, maintains, and improves scalable software solutions powering our products and operations. In this role, you will take part in the full development lifecycle, from design and development to quality assurance, release, and...

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Riverty Full time €90,000 - €120,000 per year

    Everyone's story matters. Come shape your story with us at Riverty.But where does that take you?To one of our 30 hybrid workspaces – designed for exchanging ideas, learning from others, and shaping the way we work. An international community of over 4,000 people, representing almost 80 nationalities across 11 countries. United by one mission: Combining...

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Riverty Full time €60,000 - €120,000 per year

    Everyone's story matters. Come shape your story with us at Riverty.But where does that take you?To one of our 30 hybrid workspaces – designed for exchanging ideas, learning from others, and shaping the way we work. An international community of over 4,000 people, representing almost 80 nationalities across 11 countries. United by one mission: Combining...

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Iute Group Full time €60,000 - €120,000 per year

    About UsIute Group is a fast-growing fintech company offering consumer finance, payments, banking, and insurance services.Our mission is to deliver an outstanding personal finance experience — powered by technology and elevated by a human touch.Why this role mattersWe're looking for an experiencedSenior Software Engineerto join our Wallet team and help...

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Riverty Full time €90,000 - €120,000 per year

    Everyone's story matters. Come shape your story with us at Riverty.But where does that take you?To one of our 30 hybrid workspaces – designed for exchanging ideas, learning from others, and shaping the way we work. An international community of over 4,000 people, representing almost 80 nationalities across 11 countries. United by one mission: Combining...

  • Senior Java Software Engineer

    5 days ago

    Tallinn, Harjumaa, Estonia pawaTech Full time €60,000 - €120,000 per year

    pawaTech is looking for Senior Software Engineers to join one of our four dynamic backend teams. As a part of our team, you will be responsible for enhancing Sportsbook features; automating compliance processes; managing complex authentication systems, or optimising high-load APIs.About us:pawaTech is a leading iGaming solutions provider, delivering...

  • Senior Java Software Engineer

    7 days ago

    Tallinn, Harjumaa, Estonia Luminor Group Full time €42,000 - €63,000 per year

    What you will do as a Senior Java Software Engineer:Design scalable, cloud-native software architectures and solution designs Develop and maintain Java-based microservices and backend components Lead the development and upkeep of complex software systems aligned with IT standards and security requirements Optimize performance, reliability, and...

  • Senior Software Engineer

    2 weeks ago

    Tallinn, Harjumaa, Estonia Luminor Group Full time €40,000 - €70,000 per year

    What You Will Do as a Senior Software Engineer:Design, build, and maintain secure, high-quality Ruby and Rails applications and APIsWork across Ruby and JVM-powered Ruby environments, integrating with internal services where neededDevelop resilient integrations (REST/JSON and SOAP) and implement robust background processingEnsure quality through code...

  • Senior Software Engineer

    5 days ago

    Tallinn, Harjumaa, Estonia Luminor Group Full time €48,000 - €84,000 per year

    What You Will Do as a Senior Software Engineer:Design, build, and maintain secure, high-quality Ruby and Rails applications and APIs Work across Ruby and JVM-powered Ruby environments, integrating with internal services where needed Develop resilient integrations (REST/JSON and SOAP) and implement robust background processing Ensure quality through...