Senior Software Engineer

Lisbon, Portugal
Senior (4-6 Years)
Hybrid
English Required Not Accepting Candidates Living Abroad

As a Senior Software Engineer at Enhesa, you will work as part of a team of talented Engineers building modern applications that deliver value with quality to our global customer base, which includes many Fortune 500 companies. You would be among our most senior engineers, with opportunities to show leadership, mentor fellow engineers, and contribute to key architectural decisions. You will play an important role in shaping our technology and helping to accelerate our progress towards SaaS excellence. At Enhesa, we prioritize our people, trusting them to deliver and investing in their growth.

Core responsibilities

  • Writes clean, maintainable code using .NET C# along with other modern tools such as Kafka, Postgres, and ElasticSearch;
  • Regularly delivers high-quality, working software as part of a software development team;
  • Builds a deep, expert understanding of their team’s codebase;
  • Provides highly insightful, comprehensive code reviews with an eye towards bigger-picture concepts;
  • Ensures documentation exists for all critical systems and writes technical guides used widely by other engineers;
  • Monitors dashboards and alerts and responds to incidents with the appropriate level of urgency;
  • Drives technical decision making, expertly identifying trade-offs and risks and considering organization-wide technical alignment;
  • Effectively diagnoses the root cause of complex bugs and provides a fix along with an automated regression test;
  • Leads specification and refinement of technical improvements;
  • Mentors, coaches and empowers other engineers and shares knowledge through demos and presentations;

Education Level

Bachelor’s degree (or equivalent) in computer science or a related field.

Experience

At least 6 years working with .NET C#.

Required Technical Skills

  • Understanding of how to apply microservice architectures successfully, with knowledge of multiple patterns and techniques and the tradeoffs of each;
  • Experience with event-driven architectures and event streaming/messaging tools like Kafka (preferred), Pulsar, RabbitMQ, etc;
  • Experience using both SQL and NoSQL databases - ElasticSearch (preferred), PostgreSQL (preferred), Dynamo, MongoDB, Redis, etc. Understanding of which database is best deployed depending on the use case.
  • Proven ability to identify opportunities for best practice improvements within the team and share knowledge in order to address them;
  • Ability to tackle highly complex technical problems independently;
  • Track record of quickly learning about complex architectures and code-bases;
  • Experience in working in an Agile environment;
  • Technical leadership experience, including mentoring other engineers;
  • Understanding of how to use Feature Flags for quicker releases.

Other Required Skills

  • Excellent communication skills. Able to communicate clearly and effectively, adjusting style depending on the audience;
  • Able to work effectively as part of a team, contributing to the team dynamic and resolving conflicts constructively;
  • Can quickly adapt and embrace change;
  • Champion of continuous improvement;
  • Shows initiative in tackling problems, executing pragmatically and making data-driven decisions
We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What we offer:

  • A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
  • A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
  • An empowering and respectful work culture enriched with social and learning events.
  • A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.
At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.
Luis Caldeira, DevOps @ KWAN
At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.
Pedro Fonseca, Front End Developer @ KWAN
I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.
Josimar dos Reis, Software Developer @ KWAN
I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.
João Nascimento, Software Developer (KWAN Alumni)
My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.
Laís Ortiz, Software Developer @ (KWAN Alumni)
Grab this opportunity, apply now!

What You Can Expect as a KWANer

Respect isn’t optional here

You’re trusted to deliver and supported to speak up.

Dedicated People Experience Partner

Someone accountable for your growth, not your allocation.

Continuous learning, built in

Learning that keeps pace with the systems you build.

Recognition that’s visible

Your impact doesn’t go unnoticed. Through our Rocket Points System, we constantly recognize your contributions.

A culture you can feel

From movie and quiz nights to dinners and our annual summer gathering, we don’t just work together - we build real connections.

Flexible spaces to work your way

Remote-first, with physical hubs when you want connection.

Didn't find your mission yet?


Strong profiles don’t always match timing. That doesn’t mean there isn’t alignment.

We review every application. If there’s alignment, we won’t let it get lost in a database.