Sr Java Backend Developer Job at Enormous Enterprise (St. Louis)

Sr. Java Developer

We are building a Java team in our Krakow office at Keepit, and we're looking fo...

Location

Poland , Kraków

Salary:

Not provided

Keepit

Expiration Date

Until further notice

Requirements

5+ years of backend Java development experience
Solid experience with the Spring Boot ecosystem, RESTful API design, and modern service-oriented architecture
Experience working with KeyCloak, and good understanding of Authentication and authorization systems
Solid understanding of SQL and working with relational databases
Strong initiative and a proactive mindset, with a willingness to share knowledge in a collaborative environment
Ability to work independently and take full ownership of technical decisions
Experience with docker and containerized solutions
Familiarity with event-driven architecture (e.g. Kafka, RabbitMQ)
Experience with CI/CD pipelines and modern DevOps practices

Job Responsibility

Lead technical design and architecture for features and services, ensuring scalability and maintainability
Participate in all phases of the software development lifecycle
Collaborate with Product, QA, Support, and Operations teams to resolve issues and deliver improvements
Maintain high code quality by clear documentation, thorough code review, and architectural improvements
Ensure system reliability, including error handling, observability, and scalability
Mentor and grow other developers
be the go-to technical authority on the team

What we offer

Creative tax (KUP 50)
4 additional working days of vacation leave per full calendar year
3 days of internal sick leave without a doctor`s note
Health and Life Insurance
Employee Capital Plan (PPK)
Multisport card compensation
Coverage of professional training sessions, meetups, etc.
English-speaking club with native speakers
Polish language classes
Internet and Glasses reimbursement

Fulltime

Sr. Java Developer (Application Security / FTE / Hybrid)

We are currently seeking a Sr. Java Developer (Application Security / FTE / Hybr...

Location

United States , Charlotte

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 5+ years of experience in Java/J2EE development, including building and maintaining enterprise-level web applications
At least 3+ years of hands-on experience in application security, including identifying and remediating vulnerabilities such as XSS, CSRF, IDOR, and session-related issues
Minimum 3+ years of experience with web technologies such as HTML, CSS, JavaScript, and frameworks/libraries like jQuery, Axios, or Ext.js
At least 2+ years of experience in secure coding practices, including input validation, output encoding, authentication, and authorization mechanisms
Minimum 2+ years of experience working with RESTful APIs and web services, including securing APIs and handling authentication/authorization
At least 2+ years of experience with application servers such as Apache Tomcat, WebLogic, or JBoss
Minimum 2+ years of experience in vulnerability management tools (e.g., Fortify, Checkmarx, Veracode, or similar SAST/DAST tools)
At least 2+ years of experience in debugging and resolving production issues, including HTTP errors and performance bottlenecks
Minimum 1+ year of experience with security configurations, including CSP headers, secure cookies (HttpOnly, Secure, SameSite), and cache control mechanisms
At least 1+ year of experience working in Agile/Scrum environments, participating in sprint ceremonies and collaborative development

Job Responsibility

Design, develop, and maintain secure Java/J2EE-based applications, ensuring adherence to enterprise security standards and best practices
Identify, analyze, and remediate application security vulnerabilities such as XSS, CSRF, session fixation, IDOR, and path traversal issues
Perform regular code reviews and security assessments to detect code smells, insecure patterns, and misconfigurations
Collaborate with security teams to triage and resolve findings from vulnerability scans, penetration testing, and security audits
Implement secure coding practices, including input validation, output encoding, and proper authentication/authorization mechanisms
Update and manage third-party libraries (e.g., Axios, jQuery, Ext.js), ensuring no outdated or vulnerable versions are in use
Configure and enforce web security controls such as CSP headers, secure cookies (HttpOnly, Secure, SameSite), and cache directives
Debug and resolve issues related to HTTP errors (e.g., 500 errors), session management, and application behavior inconsistencies
Work closely with frontend and backend teams to ensure consistency in validation and prevent security gaps between UI and server-side logic
Analyze and secure APIs, including TPP/Open Banking integrations, ensuring proper authentication and data protection

Fulltime

Sr. Java Developer (Application Security)

Location

United States , Charlotte

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 5+ years of experience in Java/J2EE development, including building and maintaining enterprise-level web applications
At least 3+ years of hands-on experience in application security, including identifying and remediating vulnerabilities such as XSS, CSRF, IDOR, and session-related issues
Minimum 3+ years of experience with web technologies such as HTML, CSS, JavaScript, and frameworks/libraries like jQuery, Axios, or Ext.js
At least 2+ years of experience in secure coding practices, including input validation, output encoding, authentication, and authorization mechanisms
Minimum 2+ years of experience working with RESTful APIs and web services, including securing APIs and handling authentication/authorization
At least 2+ years of experience with application servers such as Apache Tomcat, WebLogic, or JBoss
Minimum 2+ years of experience in vulnerability management tools (e.g., Fortify, Checkmarx, Veracode, or similar SAST/DAST tools)
At least 2+ years of experience in debugging and resolving production issues, including HTTP errors and performance bottlenecks
Minimum 1+ year of experience with security configurations, including CSP headers, secure cookies (HttpOnly, Secure, SameSite), and cache control mechanisms
At least 1+ year of experience working in Agile/Scrum environments, participating in sprint ceremonies and collaborative development

Job Responsibility

Design, develop, and maintain secure Java/J2EE-based applications, ensuring adherence to enterprise security standards and best practices
Identify, analyze, and remediate application security vulnerabilities such as XSS, CSRF, session fixation, IDOR, and path traversal issues
Perform regular code reviews and security assessments to detect code smells, insecure patterns, and misconfigurations
Collaborate with security teams to triage and resolve findings from vulnerability scans, penetration testing, and security audits
Implement secure coding practices, including input validation, output encoding, and proper authentication/authorization mechanisms
Update and manage third-party libraries (e.g., Axios, jQuery, Ext.js), ensuring no outdated or vulnerable versions are in use
Configure and enforce web security controls such as CSP headers, secure cookies (HttpOnly, Secure, SameSite), and cache directives
Debug and resolve issues related to HTTP errors (e.g., 500 errors), session management, and application behavior inconsistencies
Work closely with frontend and backend teams to ensure consistency in validation and prevent security gaps between UI and server-side logic
Analyze and secure APIs, including TPP/Open Banking integrations, ensuring proper authentication and data protection

Fulltime

Java Sr Developer

Job Role – Java Sr Developer

Location

United States , Cincinnati, OH or Topeka, KS

Salary:

160000.00 USD / Year

Realign

Expiration Date

Until further notice

Requirements

Angular (latest versions) for front-end development
Java, Spring, Spring Boot for backend services
Hibernate/JPA for database ORM
Experience with containerization using Docker
Good knowledge of event-driven architecture and Kafka
Proficiency in designing and consuming REST APIs
Strong understanding of Agile methodologies (Scrum/SAFe)
Excellent problem-solving, debugging, and analytical skills
8 + year of Experience

Job Responsibility

Design, develop, and maintain full-stack applications using Angular (front-end) and Java/Spring Boot (back-end)
Implement and manage RESTful APIs and microservices architecture
Work with Hibernate/JPA for efficient ORM and database interactions
Deploy and manage containerized applications using Docker
Integrate and manage Apache Kafka for messaging and event-driven systems
Ensure code quality through unit testing, integration testing, and adherence to coding best practices
Collaborate with cross-functional teams including QA, DevOps, and Product Owners to deliver high-quality solutions

Fulltime

Java Sr Developer

Job Role – Java Sr Developer

Location

United States , Cincinnati, OH or Topeka, KS

Salary:

160000.00 USD / Year

Realign

Expiration Date

Until further notice

Requirements

Angular (latest versions) for front-end development
Java, Spring, Spring Boot for backend services
Hibernate/JPA for database ORM
Experience with containerization using Docker
Good knowledge of event-driven architecture and Kafka
Proficiency in designing and consuming REST APIs
Strong understanding of Agile methodologies (Scrum/SAFe)
Excellent problem-solving, debugging, and analytical skills
8 + year of Experience

Job Responsibility

Design, develop, and maintain full-stack applications using Angular (front-end) and Java/Spring Boot (back-end)
Implement and manage RESTful APIs and microservices architecture
Work with Hibernate/JPA for efficient ORM and database interactions
Deploy and manage containerized applications using Docker
Integrate and manage Apache Kafka for messaging and event-driven systems
Ensure code quality through unit testing, integration testing, and adherence to coding best practices
Collaborate with cross-functional teams including QA, DevOps, and Product Owners to deliver high-quality solutions

Fulltime

Sr. Java Microservices Developer (FTE / Onsite)

We are currently seeking a Sr. Java Microservices Developer (FTE / Onsite) to jo...

Location

United States , Irving

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Overall 7+ years of experience
strong experience in Java/J2EE, Spring, hibernate with expertise in design, development, performance tuning, microservice, troubleshooting and deployment
Good understanding of ECS, Kubernetes, and open shift
We should be well versed with designing and architecting solutions with the latest tech advancements
Extensive experience system analysis and in programming of software applications
Experience in managing and implementing successful projects
Subject Matter Expert (SME) in at least one area of Applications Development
Ability to adjust priorities quickly as circumstances dictate
Demonstrated leadership and project management skills
Consistently demonstrates clear and concise written and verbal communication

Job Responsibility

Design and architect scalable Java-based microservices solutions
Provide technical leadership to development teams and mentor junior developers
Develop APIs and backend services using Spring Boot, Spring Reactive, and RESTful standards
Implement caching strategies using Redis
Drive DevOps best practices using CI/CD pipelines
Work on containerized deployments using Docker and Kubernetes
Collaborate with cross-functional teams to ensure robust and scalable application architecture
Monitor applications and systems using New Relic and other logging/monitoring tools
Ensure secure, high-performance, and maintainable coding practices
Lead the design, development, and deployment of IVR solutions including AI and chatbots, ensuring alignment with business requirements and customer needs

Fulltime

Sr./Staff Backend Engineer - Java

As a Backend Engineer at Oscilar, you will be responsible for designing, buildin...

Location

Canada

Salary:

Not provided

Oscilar

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
5+ years of experience in backend software development, with a focus on Java and AWS technologies
Strong experience in building and operating low latency, high scale services in a distributed environment
Proficient in Java programming, with a deep understanding of its ecosystem and related frameworks
Knowledge of microservices architecture, containerization technologies (Docker, Kubernetes), and distributed data systems (Kafka, Clickhouse)
Familiarity with RESTful API design, and a strong understanding of security best practices
Experience with CI/CD tools (Jenkins, Git, Maven, Gradle) and agile development methodologies
Excellent problem-solving skills, attention to detail, and a strong ability to work independently or as part of a team
Strong communication skills, both written and verbal

Job Responsibility

Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies
Collaborate with the product management, frontend, and QA teams to define technical requirements and ensure smooth integration with other components of the platform
Optimize and enhance existing services to achieve maximum performance, reliability, and maintainability
Identify and resolve bottlenecks in the system, ensuring optimal resource utilization and system stability
Implement best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines
Proactively monitor the health and performance of backend services, taking necessary actions to mitigate potential issues
Provide technical guidance and mentorship to junior team members

What we offer

Competitive salary and equity packages, including a 401k
Remote-first culture — work from anywhere
100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
Unlimited PTO policy
AI First company
both Co-Founders are engineers at heart
and over 50% of the company is Engineering and Product
Family-Friendly environment
Regular team events and offsites
Unparalleled learning and professional development opportunities

Fulltime

Sr./Staff Backend Engineer - Java

As a Backend Engineer at Oscilar, you will be responsible for designing, buildin...

Location

Brazil

Salary:

Not provided

Oscilar

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field
5+ years of experience in backend software development, with a focus on Java and AWS technologies
Strong experience in building and operating low latency, high scale services in a distributed environment
Proficient in Java programming, with a deep understanding of its ecosystem and related frameworks
Knowledge of microservices architecture, containerization technologies (Docker, Kubernetes), and distributed data systems (Kafka, Clickhouse)
Familiarity with RESTful API design, and a strong understanding of security best practices
Experience with CI/CD tools (Jenkins, Git, Maven, Gradle) and agile development methodologies
Excellent problem-solving skills, attention to detail, and a strong ability to work independently or as part of a team
Strong communication skills, both written and verbal.

Job Responsibility

Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies
Collaborate with the product management, frontend, and QA teams to define technical requirements and ensure smooth integration with other components of the platform
Optimize and enhance existing services to achieve maximum performance, reliability, and maintainability
Identify and resolve bottlenecks in the system, ensuring optimal resource utilization and system stability
Implement best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines
Proactively monitor the health and performance of backend services, taking necessary actions to mitigate potential issues
Provide technical guidance and mentorship to junior team members.

Fulltime

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Sr Java Backend Developer

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