Java (Kotlin) Developer Job at Citi (London)

Java / Kotlin Developer – Equities Derivatives Strategic Pre-Trade Technology

This role is specifically for a Strong Java/Kotlin Developer within Equity Deriv...

Location

United Kingdom , Belfast

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Strong knowledge on Java / Kotlin and restful web services including its data interchange format/definition such as XML, JSON
Microservices systems
Kubernetes/Open shift containers
Familiar with different persistent storage technologies such as RDBMS and NoSQL
Experience working with source code management tools – Git or Bitbucket
Good understanding of clean coding principles
Must demonstrate strong familiarity of design patterns
Proven experience of applying TDD and BDD practices and maintaining clean CI/CD pipelines

Job Responsibility

Partner with the development teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Build and provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Develop knowledge of system flow and adopt best practice for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of the bank, such as architecture and infrastructure, integrate to accomplish business goals
Working with the team to define the architecture, design, development, code review, testing and maintenance of applications

What we offer

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Fulltime

Java Backend Developer

We are seeking a passionate and motivated Junior Applications Developer to join ...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

4 to 8 years of experience in application development or a related field. Recent graduates are encouraged to apply
Familiarity with one or more programming languages, such as Java, JavaScript, Python, or Kotlin
Basic understanding of frontend development concepts (HTML, CSS, JavaScript)
Interest in learning and applying modern software development practices, including Kotlin, React, and TDD
Strong problem-solving and analytical skills
Excellent communication and interpersonal skills
A passion for technology and a desire to learn and grow in a fast-paced environment.

Job Responsibility

Contribute to the development and implementation of new and enhanced application features
Assist senior developers in designing and implementing system enhancements
Learn and apply modern software development methodologies, including Kotlin for backend development, React for frontend development, and TDD to ensure high-quality, maintainable code
Participate in code reviews and contribute to improving coding standards and best practices
Gain a practical understanding of system architecture, infrastructure, and their integration to achieve business objectives
Assist in analyzing business processes and system workflows, contributing to the identification and resolution of technical issues
Collaborate with team members to propose and implement solutions to technical challenges
Actively participate in team meetings and contribute to a positive and collaborative work environment.

What we offer

Mentorship and training opportunities
Equal opportunity employment policy
Supportive and collaborative work environment
Opportunities to grow your career.

Fulltime

Senior Java Developer

Prime Brokerage Technology provides solutions that underpin the operations of ou...

Location

Ireland , Dublin

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Java & Test-Driven Development are essential
5-8 years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Bachelor’s degree/University degree or equivalent experience

Job Responsibility

Take ownership and delivery on components (Java/Kotlin) within the Core Prime Brokerage platform. Hands-on Development
Actively contribute to an agile development, applying and improving skills in Continuous Integration and Continuous Deployment (CI/CD) practices. Implement and maintain developer-led automated testing solutions. Participate in the ongoing refinement of SDLC, agile and DevOps processes
Participate in design, planning and estimation discussions within the team
Perform detailed analysis of assigned work, breaking work into individual technical tasks
Collaborate with business analysts and stakeholders to clarify and refine requirements
Create and maintain project and technical documentation
Assist in identify potential risks or issues within assigned tasks and communicate them to the team lead
Assist in production support by working closely with operations and business teams. Participate in support rotations to diagnose and resolve escalated issues. Contribute to documentation and post-mortem reviews. Implement software enhancements to resolve root-causes and improve reliability, performance and scalability
Collaborate as part of a global team on deliveries and engage in peer reviews such as code reviews / pull requests. Coach and mentor junior analysts and grads

What we offer

Competitive base salary (annually reviewed)
Hybrid working model (up to 2 days working at home per week)
Additional benefits that support you (and your family) to be well, live well and save well

Fulltime

Senior Java developer

Lensa Inc. is looking to expand its team in Hungary with a new Backend (Java/Kot...

Location

Hungary , Budapest

Salary:

Not provided

Lensa

Expiration Date

Until further notice

Requirements

Several years experience in backend programming
At least 6+ years of Java/Kotlin web development with Spring or Spring Boot
Excellent OOP skills
Good knowledge of Spring Core, Spring MVC or Spring WebFlux, Spring Data JPA, Spring Security
Excellent knowledge of Relational Database Management Systems
Strong SQL skills
Strong knowledge of HTTP
Experience with Docker
Experience with Agile frameworks

Job Responsibility

Work on new product’s backend development in diverse, distributed cloud-based (AWS) technology stacks using Java/Kotlin and Spring
Work in operations in accordance with DevOps
Work on setting the standards as part of a functional team

What we offer

Flexible working hours with home office opportunity
Medicare health insurance
Company breakfast and lunch every day in the office
Exciting programs and team-building events
Recreation room with darts, ping pong, foosball, XBox, and other games
Modern and fancy office in Buda close to Széll Kálmán tér

Java (Fullstack) Developer

Junior or Mid-level Java (Fullstack) Developer position at CHECK24 Vergleichspor...

Location

Germany , München

Salary:

Not provided

CHECK24

Expiration Date

Until further notice

Requirements

Strong in at least one programming language (Java, Kotlin, Scala, C#, C++...)
Solid software engineering fundamentals
Eager to continuously learn and grow
Strong analytical skills together with high problem-solving competence and passion for excellence
High self-motivation and self-discipline to bring projects across the finish line

Job Responsibility

Web application development as a member of a cross-functional agile team
Independently driving tickets from understanding requirements through solution design, implementation, code review, and testing to delivery into production and maintenance
Continuous improvement of knowledge about our system, its architecture and design, about used stack, and best practices
Application of gathered knowledge across all activities
Proactively reducing technical debt and keeping our applications technologically up to date

What we offer

An established company with a stable start-up foundation, having over 10 years of market success, yet a start-up feel
Mentoring & Growth: you'll pair with experienced developers who guide you on best practices, you can attend internal trainings or external conferences to stay on top of your craft
Career opportunities through continuous growth - pursue the path to become a technical expert or develop into a leadership role
Working in an international, English-speaking team of smart, motivated people
Central location with excellent transport connections
Vouchers for numerous CHECK24 products and a subsidized company pension scheme
Office perks including free coffee, tea, fruits, vegetables, muesli, milk, breakfast and lunch multiple times per week

Fulltime

Java Kotlin Tech Lead – Agile (VP)

Prime Brokerage Technology provides solutions that underpin the operations of ou...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

6-10 years of relevant experience in Apps Development or systems analysis role
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
Bachelor’s degree/University degree or equivalent experience
Master’s degree preferred

Job Responsibility

Ownership and delivery on a variety of components (Java/Kotlin) within the Core Prime Brokerage platform
Hands-on Development
Provide technical leadership for an agile development team, championing best practices in Continuous Integration and Continuous Deployment (CI/CD)
Foster a culture of quality through developer-led automated testing initiatives
Drive continuous improvement in SDLC, agile and DevOps processes using key performance indicators, including DORA metrics, to enhance team efficiency and software delivery
Lead design, planning and estimation discussions within the team and with partners from across the department along with business stakeholders
Conduct high-level system analysis and architecture design, ensuring alignment with business requirements, technical standards and the overall architecture blueprint
Facilitate requirement gathering and translate complex business needs into technical specifications
Oversee the creation and maintenance of project and technical documentation
Identify and mitigate risks throughout the SDLC, proposing solutions to complex problems

Fulltime

Senior Java Developer

The Process Reengineering group within the CTO organization designs, delivers so...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

10+ years of relevant experience in as senior analyst developer or equivalent role
Significant Java with Springboot and other modern Java frameworks development experience
Demonstrated excellent analytical skills and advanced knowledge of software architecture
Experience of, but not necessarily coding, other modern languages, including but not limited to Kotlin, Python, .Net, shell scripting, C++, R
Modern micro-service architecture and development and deployment practices: OpenShift/Kubernetes, Kakfa messaging, RESTful services, Helm, Hashicorp Vault, DevOps, SecOps
Relational and non-relational/no SQL DBs: SQL, Oracle, MongoDB
Demonstrated functional knowledge of SOLID methodology and OO design and SME in applications architecture and design
Experience of modern production observability/monitoring tools: Splunk, Grafana, ELK stack
Experience of working corporate and enterprise environment
Demonstrated leadership, communication, project management, and development skills, working with remote leaders

Job Responsibility

Delivery of modern, robust technical solutions, sometimes across multiple concurrent projects
Producing architecture/designs, code and technical work to align with function mission, including but not limited to POCs and full component delivery integrated with multiple systems across the firm
Collaborate closely with cross-functional teams, including technology and business stakeholders to define architectural and technical deliverables, sometimes within the constraints of existing platforms
Work with team lead to ensure utilization of best practices, methodologies, and tools available for modern technology delivery
Engage with technical input to transforming enterprisewide problems
Stay-up-to-date with the latest developments in DevOps and testing technologies for potential adoption
Close partnership with London based leadership and Scrum master/Delivery manager to ensure transparency for all technical team deliverables as well as local dev lead
Engage and influence peer technical partners to fulfill technical delivery

Fulltime

Android Software Developer

Android Software Developer position at Miniclip, a global leader in games and on...

Location

Portugal , Lisbon

Salary:

Not provided

Miniclip

Expiration Date

Until further notice

Requirements

2+ years of Android development experience
Strong grasp of Kotlin (preferable) and/or Java (alternatively)
Analytical mind, problem-solving skills, and a strong attention to detail
A will to be autonomous and have a result-oriented mindset
A passion for creating good software
Good working knowledge of git
Interest in the Android ecosystem
High level of written and spoken English

Job Responsibility

Research, design, develop, and maintain high-quality shareable code solutions used in multiple games, and by millions of players
Write testable code and Unit/Integration tests to ensure high quality
Work as part of a dynamic team, with high standards, and deliver great quality solutions that are scalable and shareable
Have a keen sense of what’s useful for other developers on their day-to-day
Work closely with Business stakeholders, Software Developers, Data Engineers, and Data Scientists
Continuously learn and challenge your own skill set
Deliver high-quality documentation for the solutions you’ve built

Java (Kotlin) Developer

Citi

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 04, 2026

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