CrawlJobs Logo

Java/Kotlin Full Stack Software Engineer

United States, Salt Lake City · Job Posted December 12, 2025
Apply Position
Job Link Share

Job Description

We are seeking a highly skilled Full-Stack Software Engineer with expertise in Java/Kotlin, Spring Boot, and modern JavaScript frameworks like React, Angular, or Vue. The ideal candidate will play a key role in designing and developing scalable, high-performance applications and services while leveraging AWS cloud technologies to ensure reliability and efficiency.

Job Responsibility

  • Design and develop high-quality, scalable, and efficient Java applications and services using Spring and Spring Boot that meet business requirements and industry standards
  • Leverage AWS cloud services such as EC2, S3, Lambda, DynamoDB, RDS, and CloudFormation to optimize application performance, scalability, and fault tolerance
  • Develop and maintain RESTful APIs, ensuring seamless integration between frontend and backend services
  • Build front-end applications using modern JavaScript frameworks such as React, Angular, or Vue
  • Collaborate with cross-functional teams, including product managers, architects, and other developers, to understand project requirements and contribute to the overall system architecture
  • Implement security best practices to safeguard sensitive data and ensure compliance with industry standards and regulations
  • Implement best practices in software development, including Test-Driven Development (TDD), Continuous Integration (CI), and Continuous Deployment (CD) to ensure robust application delivery
  • Troubleshoot and debug complex issues in both development and production environments, identifying root causes and implementing effective solutions
  • Participate in code reviews to ensure adherence to coding standards and maintain high-quality codebases
  • Collaborate with DevOps and Infrastructure teams to streamline deployment processes using containerization tools like Docker and/or Kubernetes
  • Engage in Agile development processes, including sprint planning, daily stand-ups, and retrospectives

Requirements

  • Bachelor's degree in Computer Science, Software Engineering, or related field
  • Proven experience as a Java/Kotlin Software Engineer, with a strong portfolio of successful projects using Spring and Spring Boot
  • Experience using modern JavaScript frameworks such as React, Angular, or Vue
  • In-depth knowledge of designing and developing RESTful APIs and web services
  • Hands-on experience with AWS services such as EC2, S3, Lambda, DynamoDB, RDS, and monitoring tools like CloudWatch
  • Solid understanding of relational databases SQL and NoSQL databases
  • Strong problem-solving skills and experience in a fast-paced, collaborative environment
  • Excellent communication and teamwork skills with the ability to convey technical concepts to non-technical stakeholders
  • Familiarity with Git Version Control and Platforms like Github, Gitlab and Bitbucket
  • Experience with Agile methodologies Scrum or Kanban and task management tools such as Jira or similar for issue tracking and backlog management
  • Willingness to provide and receive constructive feedback during code reviews
  • Basic cloud knowledge (AWS, Azure, GCP), including core services and application deployment, monitoring, and maintenance

Nice to have

  • Experience setting up or working with CI/CD pipelines and deployment automation best practices
  • Awareness of building Docker images and working with containerization technologies
  • Basic knowledge of Kubernetes or other orchestration tools
  • Understanding of Test-Driven Development (TDD) and unit testing best practices
  • Familiarity with common testing frameworks (JUnit 5, Junit, TestNG, Spock, Mockito)
  • Awareness of security principles, secure coding practices, and performance optimizations
  • Exposure to DevOps culture and tools, including infrastructure-as-code tools (Terraform, CloudFormation, OpenTofu)
  • Experience monitoring application performance using tools like Prometheus, Grafana, or similar

What we offer

  • Career Development Plans
  • Certifications
  • Mentorship Programs
  • Ongoing training
  • Focus on work-life balance
  • Continuous learning
  • Rewarding excellence

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Java/Kotlin Full Stack Software Engineer

8 matching positions

Senior Full Stack Software Engineer

We are seeking a dynamic, Senior Full Stack Software Engineer to join a dedicate...
Location
Location
Canada , Montreal
Salary
Salary:
Not provided
https://www.randstad.com Logo
Randstad
Expiration Date
July 20, 2026
Flip Icon
Requirements
Requirements
  • 5 to 8 years of professional software development experience, ideally acquired within the insurance, banking, or fintech sectors
  • Strong programming expertise in Java and Kotlin, alongside hands-on experience with API/backend testing utilities (e.g., Postman)
  • Proficient with TypeScript, React, and GraphQL, including experience with front-end testing tools like Cypress and patterns like Page Object Model (POM)
  • Proven familiarity with Git, automated deployment tools (such as GitHub Actions), Agile/Scrum lifecycles, and a solid understanding of the full SDLC
  • Excellent analytical, documentation, and interpersonal skills
  • Authorized to work in Canada
  • Bilingual proficiency in French and English
Job Responsibility
Job Responsibility
  • Full Stack Engineering: Design, build, and optimize scalable software components using a backend-focused stack (Java/Kotlin) paired with modern frontend frameworks
  • Architecture & Code Quality: Formulate technical specifications, establish branching strategies, lead peer code reviews, and ensure clean, maintainable architecture
  • Test Automation & CI/CD: Elevate existing automation frameworks (both UI and backend), integrate performance testing solutions, and seamlessly incorporate tests into modern CI/CD delivery pipelines
  • Data & Observability: Architect data management components and create observability solutions (dashboards and monitoring tools) to provide real-time environment visibility
  • Cross-Functional Alignment: Translate complex business objectives into concrete technical designs while mentoring team members on best engineering and quality practices
What we offer
What we offer
  • Cutting-Edge Ecosystem: Work within an R&D/Lab environment dedicated to modern tech stacks and high-impact internal tools
  • Flexible Hybrid Model: Enjoy the ideal balance with 2 days per week onsite at our vibrant Downtown Montreal office and 3 days remote
  • Long-Term Potential: Initial 6 to 12-month contract with strong possibilities for extension or permanent conversion
  • Collaborative Culture: Join a forward-thinking, multidisciplinary team that values continuous learning, initiative, and creative experimentation
Read More
Arrow Right

Full Stack Software Engineer

In this role, you will be a key contributor to Our Client’s next-generation soft...
Location
Location
Canada , Kanata
Salary
Salary:
72.73 - 78.84 USD / Hour
https://www.randstad.com Logo
Randstad
Expiration Date
July 11, 2026
Flip Icon
Requirements
Requirements
  • 6+ years in IT with a minimum of 4+ years in professional software development
  • Advanced practice in at least one coding language or proficiency in two
  • 2+ years of experience specifically focused on Android system-level work, HAL, and Android framework services
  • 2+ years of experience in C++ for Android system and vendor partition development
  • Strong experience with Java/Kotlin for Android Framework services and modern system utility development
  • Proven ability to work across the Android stack, from hardware interfaces to UI
  • Expert-level ability to troubleshoot 'Android not booting' scenarios and low-level system crashes
  • Bachelor’s Degree in a related field
Job Responsibility
Job Responsibility
  • Create high-level software architecture designs, outlining components, interfaces, and overall system structure
  • Develop and maintain back-end applications, including APIs and microservices, using various server-side languages
  • Work across the Android stack to ensure seamless integration between system-level services and the hardware interface
  • Analyze and resolve complex issues within the open-source Android code, including system_server, Package Manager, and Activity Manager
  • Debug low-level failures such as binder leaks, intent malfunctions, black screen issues, and Application Not Responding (ANR) errors
  • Manage the vendor partition and optimize the Hardware Abstraction Layer (HAL)
  • Implement modern programming practices, including Test-Driven Development (TDD) and CI/CD pipelines
  • Define and execute software test strategies and policies aligned with industry regulations and market best practices
  • Support security practices to safeguard user data through encryption, anonymization, and robust data governance
  • Engage with customers and cross-functional teams (Product Owners, Designers, Architects) to translate pain points into technical requirements
What we offer
What we offer
  • Full-Stack Scope: Influence every layer of the product, from the hardware abstraction layer (HAL) to the server-side microservices
  • Complex Problem Solving: Tackle high-stakes technical challenges, including debugging system-level crashes and optimizing resource-constrained embedded environments
  • Industry Collaboration: Monitor and participate in emerging technology solutions through industry collaboration and the evaluation of new stack layers
  • User-Centric Innovation: Advocate for software solutions that prioritize user empathy and intuitive, interactive interfaces
  • Fulltime
Read More
Arrow Right

Full Stack Engineer

Engineer the future of global finance. At Citi, our Tech team doesn’t just suppo...
Location
Location
Poland , Warsaw
Salary
Salary:
268390.00 - 457010.00 PLN / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong proficiency in modern backend languages such as Java/Kotlin and/or Python
  • Extensive experience with microservices architecture and developing scalable, resilient services
  • Demonstrated experience deploying and managing applications within containerization platforms like Kubernetes and OpenShift
  • Experiencedin Python-based frontend frameworks (e.g., Dash, Streamlit, or other relevant Python web frameworks)would be desirable
  • Understanding and practical application of DevOps principles, including CI/CD pipelines, automated testing, and trunk-based development
  • A strong commitment to fully automated testing and continuous integration
  • Experience on scrum ceremonies such as daily stand-up meetings, sprint planning
  • Prior experience with front office applications and an understanding of trading workflows, financial instruments, or market data will be a significant advantage
  • Bachelor’s degree or University degree in Computer Science, Engineering, or a related field, or equivalent practical experience in a similar role
Job Responsibility
Job Responsibility
  • Design & Develop: Iteratively develop robust, high-performance software solutions from initial concept through to production deployment, directly impacting trader efficiency and capabilities
  • Business Acumen & Product Ownership: Collaborate closely with business stakeholders, demonstrating a keen understanding of business drivers and a strong product owner mindset
  • Code Excellence: Produce clean, efficient, and well-documented code, adhering to best practices and contributing to a high-quality codebase
  • Engineering Leadership: Champion and share best engineering practices, foster a culture of continuous improvement, and mentor junior colleagues across the wider technology team
  • Innovation & Adaptation: Proactively evaluate and integrate new technologies, including AI tooling, to maintain a leading edge in our solutions
  • Full Lifecycle Ownership: Take ownership of the entire software development lifecycle, from design and development to testing, deployment, and monitoring in a DevOps-centric environment
What we offer
What we offer
  • Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
  • Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
  • Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
  • Employee Assistance Program financed by Employer
  • Paid Parental Leave Program (maternity and paternity leave
  • statutory and 2 weeks additional paid paternity leave)
  • Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
  • Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events
  • Additional day off for volunteering
  • Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform
  • Fulltime
Read More
Arrow Right

Senior Software Engineer- Policy Configuration

As a Sr. Engineer on the Policy Configuration team, you’ll be responsible for he...
Location
Location
United States , Palo Alto
Salary
Salary:
105000.00 - 215000.00 USD / Year
geico.com Logo
Geico
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience building the architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems
  • Knowledge of ETL, SQL, bitemporal data modeling, and temporal databases
  • Experience with API-based migration
  • Strong understanding of data observability, traceability, and multi-faceted testing
  • Proven expertise in designing and developing microservices using graphQL, gRPC, Java, Kafka, with a deep understanding of both API and event-driven architectures
  • Experience designing and delivering highly resilient event-driven and messaging-based solutions at scale with minimal latency
  • Experience building distributed systems using Docker and Kubernetes
  • Proficiency with Java/Kotlin and at least one other modern language such as C#, C++, or Python including object-oriented design
  • Experience building full-stack application and service development, with a strong focus on SAAS products / platforms
  • Great understanding of open-source databases like MySQL, PostgreSQL, etc. And strong foundation with No-SQL databases like Cosmos, Cassandra
Job Responsibility
Job Responsibility
  • Independently deliver complex solutions and provide mentorship and leadership to other members of your team
  • Collaborate with product and business stakeholders to craft solutions to solve our toughest problems
  • Deliver high-scale and high-quality data architecture, especially with an eye towards legacy-to-modern platform transitions
  • Accountable for the quality, usability, and performance of the solutions
  • Utilize your expertise in designing and developing API’s and microservices using GraphQL, gRPC, Java, Kafka, with a deep understanding of API driven system migration
  • Utilize programming languages like Java, C#, or other object-oriented languages, SQL, and NoSQL databases
  • Deploy applications in a hybrid cloud environment utilizing Kubernetes, various data stores, and a variety of cloud native tools and services
  • Be a proactive member of the engineering community contributing to citizenship and collaboration across teams
What we offer
What we offer
  • Comprehensive Total Rewards program that offers personalized coverage tailor-made for you and your family’s overall well-being
  • Financial benefits including market-competitive compensation
  • a 401K savings plan vested from day one that offers a 6% match
  • performance and recognition-based incentives
  • and tuition assistance
  • Access to additional benefits like mental healthcare as well as fertility and adoption assistance
  • Supports flexibility- We provide workplace flexibility as well as our GEICO Flex program, which offers the ability to work from anywhere in the US for up to four weeks per year
  • Fulltime
Read More
Arrow Right

Senior Software Engineer

Cape’s platform gives customers end-to-end control of their digital identity, op...
Location
Location
United States , New York, NY; Washington, DC
Salary
Salary:
Not provided
cape.co Logo
Cape
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 4+ years of professional software engineering experience
  • A strong foundation in Computer Science, Engineering, or a related technical field, demonstrated through both professional experience and academic pursuits
  • Fluency in a modern backend language such as Golang, Rust, Java/Kotlin, or Python
  • A firm grasp of algorithms, data structures, cloud infrastructure, and distributed systems
  • Strong written and verbal communication skills, including the ability to iterate quickly with teammates, incorporate feedback, and hold a high bar for quality
Job Responsibility
Job Responsibility
  • Design and Integrate: Build the core telecommunications infrastructure that provides secure cellular service to our users, ensuring end-to-end data integrity
  • Own the Lifecycle: Take full ownership of the software lifecycle—from problem discovery to solution delivery—for foundational components of our telecommunications stack
  • Set the Bar: Maintain high coding standards by developing guidelines, participating actively in code reviews, and fostering a culture of continuous improvement and knowledge sharing
  • Enable Scale: Build reliable, performant, and scalable systems that enable other product teams to build robust applications without requiring deep domain expertise in the underlying infrastructure
What we offer
What we offer
  • 401(k) match
  • 100% coverage of medical, dental, and vision premiums for you and your dependents
  • 12 weeks paid parental leave (for all parents, no waiting period)
  • Stipends for Family-forming needs
  • Stipends for Gender-affirming care
  • Unlimited PTO
  • Fulltime
Read More
Arrow Right
New

IT Training Lead

The IT Training Lead will drive technology learning and user adoption across the...
Location
Location
United States , Delray Beach
Salary
Salary:
Not provided
https://www.roberthalf.com Logo
Robert Half
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience in IT training, instructional design, technical enablement, or learning and development
  • Strong knowledge of Microsoft 365
  • Excellent communication, facilitation, and content development skills
  • Ability to translate technical concepts into practical, user-friendly training.
Job Responsibility
Job Responsibility
  • Design, develop, and deliver IT training programs in instructor-led, virtual, and self-paced formats
  • Take lead in the Microsoft Copilot and AI training strategy, including onboarding, advanced use cases, responsible AI usage, and ongoing enablement
  • Partner with IT leadership to support new technology rollouts, system upgrades, and digital transformation initiatives
  • Create and maintain training content, including videos, guides, tutorials, and job aids
  • Identify skill gaps and develop targeted learning solutions to improve adoption and productivity
  • Gather feedback and measure training effectiveness to continuously improve programs.
Read More
Arrow Right
New

K Kitchen Representative

The position includes, but is not limited to, the following essential job duties...
Location
Location
United States , New Albany
Salary
Salary:
Not provided
https://www.circlek.com Logo
Circle K
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Excellent communication skills
  • Team player who can work well with others or independently
  • Acts with integrity
  • keeps commitments
  • Contagious positive attitude
  • Focuses on achieving results while having fun
  • Frequently bend, twist at waist, kneel, squat, stand, and walk
  • Occasionally climb and descend ladders
  • Tolerate extreme cold and hot temperatures and work in and around fryers, ovens, grills, coolers, freezers, sharp objects, and loud noises
  • Reach, grasp, and manipulate objects with hands for entire shift, including reaching for objects overhead
Job Responsibility
Job Responsibility
  • Provides excellent guest service in a fast and friendly manner
  • Maintains a clean restaurant environment by cleaning and performing general housekeeping duties
  • Prepares and serves food items in accordance with all Brand, Company, and health department regulations
  • Ensures product quality, food safety, and operational standards are met
  • Keeps accurate cash, sales, and inventory control records
  • Follows all government laws and safety codes
  • Completes reports on all incidents following our 5-minute rule policy
  • Lives our Company values: One Team, Do the Right Thing, Takes Ownership, Play to Win
What we offer
What we offer
  • Medical, Dental, Vision, Term Life and AD&D plans
  • Flexible spending and health savings accounts (FT)
  • Vacation paid time off
  • Company holidays paid at time and a half
  • Matching 401(k)
  • Tuition Reimbursement
  • Stock Purchase Plan
  • Employee Discount Program
  • Discount Meal Benefit
  • Wellness Plan
Read More
Arrow Right
New

K Kitchen Representative

Location
Location
United States , Decatur
Salary
Salary:
Not provided
https://www.circlek.com Logo
Circle K
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Excellent communication skills
  • Team player who can work well with others or independently
  • Acts with integrity
  • keeps commitments
  • Contagious positive attitude
  • Focuses on achieving results while having fun
  • Frequently bend, twist at waist, kneel, squat, stand, and walk
  • Occasionally climb and descend ladders
  • Tolerate extreme cold and hot temperatures and work in and around fryers, ovens, grills, coolers, freezers, sharp objects, and loud noises
  • Reach, grasp, and manipulate objects with hands for entire shift, including reaching for objects overhead
Job Responsibility
Job Responsibility
  • Provides excellent guest service in a fast and friendly manner
  • Maintains a clean restaurant environment by cleaning and performing general housekeeping duties
  • Prepares and serves food items in accordance with all Brand, Company, and health department regulations
  • Ensures product quality, food safety, and operational standards are met
  • Keeps accurate cash, sales, and inventory control records
  • Follows all government laws and safety codes
  • Completes reports on all incidents following our 5-minute rule policy
  • Lives our Company values: One Team, Do the Right Thing, Takes Ownership, Play to Win
What we offer
What we offer
  • Medical, Dental, Vision, Term Life and AD&D plans
  • Flexible spending and health savings accounts (FT)
  • Vacation paid time off
  • Company holidays paid at time and a half
  • Matching 401(k)
  • Tuition Reimbursement
  • Stock Purchase Plan
  • Employee Discount Program
  • Discount Meal Benefit
  • Wellness Plan
Read More
Arrow Right