We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
We are looking for a Senior Andorid Developer who enjoys challenges to work on the evolution of a 100% native application, building new features and enhancing existing ones. The project operates end-to-end in the client’s solution, providing an environment filled with various challenges.
Your mission:
Develop features and architectural components.
Ensure the quality of the team's delivery through code reviews, static analyzers, and automated tests.
Participate in business rituals, and assist in the technical detailing of the solution.
Support the structuring of Continuous Delivery by promoting technical discussions and raising important points for the solution.
Assist the team in their individual career progression.
Work with a focus on results, serving as a reference for the team.
You will be responsible for:
Developing features and architectural components.
Ensuring the quality of the team's delivery through code reviews, static analyzers, and automated tests.
Participating in business rituals, and assisting in the technical detailing of the solution.
Supporting the structuring of Continuous Delivery by promoting technical discussions and raising important points for the solution.
Assisting the team in their individual career progression.
Working with a focus on results, serving as a reference for the team.
We are looking for individuals who:
Have good communication skills to ensure alignment among all team members and the client.
Are quality-focused regarding code and good programming practices.
Are critical thinkers and seek continuous improvement.
Enjoy learning and are willing to contribute to the development of other team members.
The requirements for the challenge are:
- Expert-level knowledge of Android.
- Senior-level knowledge of Kotlin.
- Strong skills in object-oriented programming, design, and architecture.
- Expert-level knowledge of mobile application development languages.
- Expert-level knowledge in the design and implementation of effective user interfaces.
- Expert-level knowledge in mobile application architecture, design, and frameworks.
- Experience with asynchronous and multithreaded programming; experience with network protocols.
- Proficiency in mobile application development tools and environments.
- Excellent problem-solving, critical thinking, and communication skills.
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If you like it, just apply and good luck!
#LI-GV1
Our benefits:
-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Life insurance
-Continuous learning platform (CI&T University);
-Discount club
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
And many more!
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.
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INTEGRITYOne Partners Full Stack Developer: Location: periodic onsite presence (approximately 1–2 days per month) in Crystal City, VA
The Role
As a junior Full Stack Developer, you'll be at the forefront of delivering software solutions that directly impact our clients' law enforcement mission. You'll work with dedicated team members and clients to solve complex technical problems and develop systems that keep our country safe and secure.
About Us
INTEGRITYOne Partners specializes in IT modernization and business transformation for Federal clients. We tackle big problems with missions that positively impact our country's health, safety, and security. Our team of dedicated consultants and technologists thrives on learning new technologies, frameworks, and methodologies. With decades of experience, we pride ourselves on building outstanding and sustainable software products and systems.
Ideal Candidate Profile
· Demonstrates intellectual curiosity and a passion for continuous learning
· Thrives in a collaborative, fast-paced environment
· Shows adaptability and resilience in the face of complex challenges
· Exhibits strong problem-solving skills and attention to detail
· Possesses excellent communication and interpersonal skills
Technical Skills Required
· Front-end UI Development with React, JavaScript, CSS)
· Java/Spring/Spring Boot for middle tier development
· AWS Cloud for back-end infrastructure
· Relational databases (JPA/JDBC persistence)
· Spring Boot microservices (GraphQL/REST)
· Containerization
Key Responsibilities
· Collaborate with cross-functional teams to deliver results over 2-week sprints
· Gather requirements, design, implement, and test software and systems
· Develop scalable, high-performance, and highly available applications and systems components
· Diagnose and resolve complex system issues
· Communicate effectively with clients, team members, and other development teams
· Respond to client requirements in tight timeframes
Requirements
· US Citizenship (ability to obtain and maintain a DHS 6C Public Trust clearance)
· Bachelor's degree or higher (computer science background recommended but not required with suitable experience)
· Periodic onsite presence (approximately 1–2 days per month) in Crystal City, VA
Experience
· 3-4 years of experience in Agile software development
· Proven track record in designing and developing scalable applications
· Experience working in government or high-security environments is a plus
gravity9 is a boutique IT consulting company headquartered in the UK with offices in the US, Canada, Poland, Ireland, and Colombia. Our team has deep experience in engineering, experience design and product management. We enjoy a challenge and pride ourselves on working with our clients on their most complex problems, finding elegant and flexible solutions that help them transform their businesses.
Role Description
Due to gravity9's rapid growth, we are currently seeking to make another strategic hire in North America!
We are in search of an individual capable of spearheading interactions with our clients. This position entails serving as the primary contact with the accountability for delivery, fostering client relationships, and supervising the team responsible for the tasks. The responsibilities also include technical leadership, getting your hands dirty with code, and effective stakeholder management through close collaboration with clients. Throughout the engagement, the role requires working closely with the client's internal staff and product teams, serving as their strategic delivery partner and trusted advisor.
We believe small, multi-disciplinary teams are most effective in delivering complex change of this nature. As such, this is a crucial role and will require flexibility and the ability to take on different responsibilities over the lifetime of the engagement.
Key responsibilities for the role include:
Interaction with stakeholders, ensuring expectations are managed and business goals are understood
Accountable for the design of the solutions
Overseeing and managing development teams
At least 50% hands-on coding in Java, Node.js, OR Python
Occasional business travel in North America
Role requirements - technical skills and experience
This position is well-suited for a seasoned Technical Lead with a background in leading client-facing engagements.
Must-have requirements:
• Experience in designing and building custom medium/large AND/OR enterprise applications for external clients
• Expert in Java
• Experience in AWS
• Experience in MongoDB OR another NoSQL databses
• Experience in microservices architecture
• Experience in Python AND/OR Node.js
• Team leading and overseeing delivery of a few distributed teams
Nice-to-have requirements:
• Experience in Data Migrations
• Experience in Kafka (or similar technology)
Role requirements - soft skills
Key attributes and behaviours to succeed in this role will be:
• Delivery focus - strong analysis and problem-solving skills. Ability to evaluate, design and implement effective solutions. Flexibility to adapt skills to a spectrum of client engagements, use cases and modes of change delivery
• Strong consultant - good at listening and asking questions. Ability to see issues from different perspectives and communicate well
• Exemplary standards of personal integrity and respect for others – professional approach to all aspects of client engagement and collaborative team working, able to quickly build relationships based on trust and transparency. Strong presentation and written and verbal communication are essential given the client facing nature of the role
• Value driven - Creative thinking, with aptitude for innovation and strong desire to exceed client expectations
• Energy – positive attitude and determination to learn and succeed
We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
We are looking for a Mid-Level Java Developer help design, build, and maintain scalable, high-quality web applications. You will work across the entire stack, from modern frontend interfaces to robust backend services, collaborating closely with product, design, and other engineering teams.
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Responsibilities:
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Design, build, and maintain backend services using Java 17/21 and Spring Boot.
Implement and evolve REST and gRPC APIs following best practices and versioning standards.
Ensure service reliability through unit/integration tests, troubleshooting, and root-cause analysis.
Work with PostgreSQL (schema design, performance tuning) and integrate with caching layers (Redis).
Build and debug containerized services using Docker and deploy them on Kubernetes (GKE).
Apply security fundamentals: OAuth2/OIDC, JWT validation, RBAC, and secure coding practices.
Collaborate with cross-functional teams, ensuring clear communication and ownership of deliverables.
Contribute to CI/CD workflows (Tekton/Jenkins, ArgoCD) and follow GitOps principles.
Participate in technical discussions, design reviews, and mentor team members when needed.
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Requirements:
Strong experience with Java (17 or 21) and Spring Boot in production systems.
Solid understanding of REST APIs and familiarity with gRPC concepts.
Hands-on experience with OAuth2/OIDC, JWT, and backend security fundamentals.
Proficiency with PostgreSQL and JPA/Hibernate.
Practical experience with Docker and Kubernetes (deployments, debugging, ConfigMaps/Secrets).
Ability to troubleshoot distributed systems, analyze logs, and diagnose performance issues.
Effective communication, transparency, and resilience working in fast-paced, multicultural teams.
Advanced English.
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Nice-to-have:
Kafka or other event-driven technologies.
Proficiency in NoSQL databases
Redis (caching, ephemeral data).
Experience with GitOps (ArgoCD), Tekton pipelines, or Helm/Kustomize.
Exposure to GCP services (GKE, IAM, Cloud Logging/Monitoring).
Basic understanding of OPA or policy-based access control.
Knowledge of WebSockets or streaming APIs.
Background in prototyping or integrating AI-driven automation.
At CI&T, we are driven by Collaboration, Innovation, and Transformation. Join us to be part of a vibrant team that leverages cutting-edge technologies, including AI, to create impactful solutions. We believe in fostering a culture of learning and growth, where your expertise can shine and make a difference. If you're ready to take your career to the next level, we encourage you to apply!
Our benefits:
-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Life insurance
-Continuous learning platform (CI&T University);
-Discount club
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
And many more!
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.