Posted 3 months ago
Senior Back End Software Engineer
San JoseHybridFull-time
AI Summary
Senior backend engineer who writes server-side code, APIs, and web services; collaborates with front-end teams; designs and refactors code; and maintains tests and documentation.
About this role
Senior Back End Software Engineer
Why work with Colibri?
Do you want to work for a company whose mission is to build a company and culture based on our developer happiness?
At Colibri we believe that team happiness is the key to success. Our people are what makes our company special. We do everything to make Colibri the best place for its people, a great place to be and work.
- Create efficient code and improve the server-side applications and databases
- Write web services and API’s used by front-end web and mobile developers
- Collaborate with front-end developers and other team members to establish objectives and design more functional, cohesive code to enhance the user experience
- Define and communicate technical and design requirements
- Build high-quality reusable code that can be used in the future
- Conducts unit test, code reviews, refactors the current source code, assesses and improves application performance and maintains design and code documentation
Qualifications
- Bachelor’s degree in Computer Science or related field (or equivalent experience).
- 4+ years of backend experience.
- 4+ years of programming experience in object-oriented programs such as C#, Java, and/or Scala.
- Experience with SQL and NoSQL databases, experience with ORM frameworks.
- Experience with microservices architecture.
- Experience with RESTful Web Services, API’s and asynchronous data flow.
- Experience with Unit Test, Testing and Debugging.
- Experience with source control tools such as Git, GitHub, GitLab, Bitbucket and/or branching strategy.
- Experience with cloud platforms such as AWS, Azure and/or Google.
- Must have the ability to work in a dynamic, fast-paced environment.
- Strong communication skills to interact with Agile team members.
- Understanding of accessibility and security compliance.
- Understanding the differences between multiple delivery platforms such as mobile vs desktop and optimizing output to match the specific platform.
- Understanding of the SOLID Principals of object-oriented programming.programing.
- Good level of English
It would be great if you also have:
- Experience with Agile & Scrum development methodologies
- Working on enterprise grade products – scalability, performance, security, testing
- Design, develop and implement unit and contract testing for existing code bases
- Experience with CI/CD.
Additional Information
Benefits
Not convinced? Here are some additional benefits for you at Colibri
- Flexitime – We have a flexible working timetable that can work around your personal schedule. Some people like starting early, some prefer working late, some like to spend time with their kids in the afternoon, we’ll adapt to your needs.
- 1:1 mentoring and continual professional development
- A spacious, office with outside terraces, kitchen and multiple chillout areas
- Extra day holiday on your birthday
- Free coffee / beer / tea
- Free unlimited English lessons
- Regular events (Summer Party!). Work hard, play harder!
- Remote work opportunities
- We will require you to come into the office occasionally for teambuilding and face to face get togethers at our spacious office in WeWork Escazú
- Paid training time – every week you are given time to train, we will also pay for any courses you want to take
- We believe people should be paid fairly and talent should be recognised. We pay competitive salaries based on your skills and experience and we’ll review it every six months. We pay our salaries in US dollars.
Colibri is an equal opportunities employer.
Skills
AWSAzureBitbucketC++GCPGitGitHubGitLabJavaMicroservicesNoSQLORMRESTful APIsScalaSQLUnit Testing
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Market data for backend engineer roles
All reports →- Role reportBackend engineer jobs, Sep 2026: new listings up 22.7% in a weekBackend engineer new listings rose 22.7% this week to 481, with 4,949 active roles. Senior positions make up over half. Apply early to new openings.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.