Senior Java Engineer

Ciklum; Brasil; On-site; BRL 300,000 - 420,000; Full time

Benefits offered by this job

Medical insurance

Udemy license

Language courses and certifications

20 days vacation

Job summary

Ciklum in Brazil is seeking a Senior Java Engineer to join our cross-functional team. You will write robust Java code across the SDLC, develop features per the roadmap, and help shape architecture with monolith/microservices/serverless styles.

You’ll mentor engineers and contribute to quality via reviews, tests, and performance tuning, while collaborating with global clients on large-scale projects.

Qualifications

• Strong design skills and adherence to best practices.
• Hands-on with monolith, microservice, and serverless architectures.
• Deep Java expertise with defensive programming.
• Proven web app development with modern frameworks.
• SQL proficiency and performance tuning.
• JUnit and Mockito for QA.

Responsibilities

• Write highly testable, maintainable Java code across the SDLC.
• Develop features according to the product roadmap.
• Review designs and contribute to specifications.
• Participate in daily standups, planning, and retrospectives.
• Coach/mentor mid/senior engineers as needed.

Skills

Java

Software Design

Monolith

Microservices

Serverless

JUnit

Mockito

SQL

Performance tuning

Defensive programming

Cloud providers

Security best practices

Education

Bachelors or higher in a relevant field

Tools

Cloud platforms

Job description

Ciklum is looking for a Senior Java Engineer to join our team in Brazil.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Senior Java Engineer, you'll become a part of a cross-functional development team engineering experience of tomorrow.

At our company, we’re all about helping businesses make smarter decisions through powerful technology, insightful data, and a whole lot of collaboration. Whether you're a creative thinker, a strategic planner, a tech wizard, or a customer champion, there's a place for you on our team. We believe work should be meaningfulandfun — so if you're ready to make a difference while enjoying the journey, come join us!

Responsibilities:

• Write highly testable, automatable and performant code over the whole SDLC using high coding standards and software best practices
• Develop product, deliver features and updates according to the product roadmap
• Develop and review feature design documents and provide inputs/update to specifications for the solution
• Participate in the team activities according to the methodology - daily meetings, planning, retrospectives etc)
• Сoach/supervise middle/junior engineers by demand of the project

Requirements:

• Software Design
• Use of best practices and patterns during application design and implementation
• Hands‑on experience with monolith, microservice, and serverless architectural styles
• In‑depth proficiency level in Java, implementing applications using defensive programming
• Successful cases in developing web applications using advanced framework features and industry standard conventions
• Practical experience in writing and performance tuning of complex SQL
• Quality Assurance:
• In‑depth proficiency level in JUnit, Mockito
• Previous participation in constant quality improvement on the project: conducting code reviews, setting up quality metrics, and monitoring
• Software Deployment:
• Hands‑on experience with application deployment patterns and tools
• Practical experience in infrastructure configuration using popular cloud providers
• Experience in configuring application security aspects
• Practical experience in application performance optimization

What’s in it for you?

• Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance and mental health programs, 5 undocumented sick-leave days per year
• Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
• Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
• Long-term employment with 20 working-days paid vacation and local bank holidays
• Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
• Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
• Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

As we expand into Latin America, every Ciklumer is helping to shape our story. Collaborate with seasoned experts and make a global impact backed by two decades of industry leadership.

Explore, empower, engineer with Ciklum!