CrawlJobs Logo

Senior CI Application Developer

Poland, Poznań · Job Posted January 08, 2026
Apply Position
Job Link Share

Job Description

Our Continuous Improvement team is dedicated to making work easier and more effective. We collaborate with our business partners to streamline work and eliminate obstacles, enabling them to focus on what matters most: providing high-quality and efficient service. We optimize workflows by identifying smarter ways of working. We support new ideas and innovations, transforming great ideas into tangible improvements. We reduce the repetitive tasks, freeing up time for more complex and rewarding work.

Job Responsibility

  • Developing solutions that effectively handle complex data and analyzing the connections between different data points
  • Transforming findings into actionable recommendations that drive measurable improvements in operational performance
  • Applying process mining techniques to identify bottlenecks and inefficiencies in business operations
  • Designing and implementing solutions that increase the effectiveness and efficiency of everyday business tasks
  • Using data analysis to support better decision-making while prioritizing service quality
  • Collaborating with business teams to address operational challenges through continuous improvement methods and technical innovation
  • Mentoring and supporting team members in learning data analysis techniques and problem-solving approaches
  • Engaging with stakeholders, managing priorities, and ensuring smooth processes
  • Fostering a culture of continuous learning and facilitating knowledge transfer across the team

Requirements

  • Enthusiasm for learning new skills and adapting to evolving technologies while maintaining a strong focus on service
  • Understanding of how business operates and eagerness to learn more about finance and HR processes
  • Motivated and collaborative professional who excels in a dynamic environment
  • Excellent communication skills, a proactive mindset, and a passion for delivering results
  • Core values include teamwork, adaptability, and continuous learning
  • Prepared to contribute expertise to help achieve goals
  • Experience working with technical documentation, able to work with PDD, SDD, and other forms of it
  • Utilize Python, SQL, and other technical skills to discover valuable insights that improve daily operations

Looking for more opportunities?

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

Similar Jobs for

Senior CI Application Developer

8 matching positions

Lead Python Application Developer - Senior Vice President

We are seeking a highly experienced and technically proficient Lead Python Appli...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 12+ years of hands-on experience in Application Development, primarily with Python
  • Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications
  • Advanced knowledge of Python frameworks (FastAPI, Django, Flask), best practices, and design patterns (OOP)
  • Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture)
  • Extensive experience with relational (PostgreSQL, Oracle, SQL Server) and NoSQL databases (MongoDB, Cassandra, Redis), including advanced SQL
  • Proven expertise in designing, developing, and securing RESTful APIs and integration patterns
  • Hands-on experience with CI/CD systems (Jenkins, GitLab CI, GitHub Actions, Bitbucket Pipelines) for automated deployment
  • Highly experienced with Unix-based operating systems
  • Strong background in cloud platforms (AWS, Azure, GCP), including containerization (Docker) and contributing to Kubernetes orchestration
  • Advanced troubleshooting, debugging, and performance optimization for distributed systems
Job Responsibility
Job Responsibility
  • Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications
  • Develop solutions adhering to architectural standards, utilizing in-depth technical and business domain knowledge
  • Enforce industry-standard SDLC best practices and contribute to code quality through reviews
  • Collaborate with cross-functional teams (Risk, Quants, FO, DevOps, Production Support) for seamless delivery
  • Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain
  • Manage project technical aspects, including planning, governance, and taking ownership of initiatives
  • Deliver high-quality solutions independently within a globally matrixed environment and under tight deadlines
  • Fulltime
Read More
Arrow Right

Senior Python Application Developer

We are seeking an exceptionally skilled and driven Lead Python Application Devel...
Location
Location
India , Pune; Chennai
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of progressive experience in application development and systems architecture, with a laser focus on Python-centric solutions
  • Demonstrable expertise in end-to-end software development lifecycle (SDLC) leadership, from strategic planning and solution architecture to deployment and post-production optimization
  • Proven capability to lead and inspire cross-functional engineering teams, foster a culture of technical excellence, and enforce rigorous code quality standards through comprehensive code reviews and design critiques
  • Act as a Subject Matter Expert (SME) in advanced Python paradigms, including asynchronous programming (asyncio), concurrency, and parallel processing, alongside profound knowledge of modern frameworks such as FastAPI, Django REST Framework, and Flask
  • Mastery of enterprise-grade software architecture patterns, including Microservices, Event-Driven Architectures (Kafka, RabbitMQ), Domain-Driven Design (DDD), and GraphQL
  • Deep understanding of Object-Oriented Programming (OOP) and Functional Programming principles, applying them to construct highly modular, extensible, and maintainable codebases
  • Expert-level proficiency in Python 3.x, with extensive experience in developing high-throughput, low-latency, and fault-tolerant applications leveraging its comprehensive standard library and vibrant third-party ecosystem
  • Comprehensive hands-on experience with diverse database technologies, including advanced SQL optimization for relational databases (e.g., PostgreSQL, Oracle, SQL Server) and schema design for NoSQL solutions (e.g., MongoDB, Cassandra, Elasticsearch, Redis)
  • Architectural and implementation expertise in designing, securing (OAuth2, JWT), and optimizing RESTful and gRPC APIs, focusing on idempotency, rate limiting, and robust error handling
  • Mandatory hands-on experience with enterprise CI/CD pipelines (e.g., Jenkins, GitLab CI, GitHub Actions, Azure DevOps) to implement fully automated testing, build, and deployment strategies (GitOps principles)
Job Responsibility
Job Responsibility
  • Architect, develop, and deliver mission-critical enterprise applications within a high-performance Python ecosystem
  • Shape our technical roadmap
  • Mentor engineering teams
  • Ensure the robust, secure, and efficient execution of strategic initiatives
  • Fulltime
Read More
Arrow Right

Senior Python Application Developer - Vice President

We are seeking an experienced, motivated and technically proficient Senior Pytho...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 9+ years of hands-on experience in Application Development, primarily with Python
  • Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications
  • Advanced knowledge of Python frameworks (FastAPI, SqlAlchemy), best practices, and design patterns
  • Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture)
  • Extensive experience with relational (PostgreSQL, Oracle) and NoSQL databases (MongoDB, Redis), including advanced SQL
  • Proven expertise in designing, developing, and securing RESTful APIs and integration patterns
  • Hands-on experience with CI/CD systems (Tekton/Jenkins/GitHub Actions, Harness/GitLab CI) for automated deployment
  • Highly experienced with Unix-based operating systems
  • A working understanding of containerization (Docker) and Kubernetes orchestration
  • Able to troubleshoot/debug and optimize performance on distributed systems
Job Responsibility
Job Responsibility
  • Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications
  • Develop solutions adhering to architectural standards, utilizing in-depth technical and business domain knowledge
  • Enforce industry-standard SDLC best practices and contribute to code quality through reviews
  • Collaborate with cross-functional teams (Risk, Quants, FO, DevOps, Production Support) for seamless delivery
  • Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain
  • Manage project technical aspects, including planning, governance, and taking ownership of initiatives
  • Deliver high-quality solutions independently within a globally matrixed environment and under tight deadlines
  • Fulltime
Read More
Arrow Right

Senior Python Application Developer-Vice President

Job Overview: We are seeking an experienced, motivated and technically proficien...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 9+ years of hands-on experience in Application Development, primarily with Python
  • Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications
  • Advanced knowledge of Python frameworks (FastAPI, SqlAlchemy), best practices, and design patterns
  • Strong understanding of software architecture principles and distributed system design (Microservices, Event-Driven Architecture)
  • Extensive experience with relational (PostgreSQL, Oracle) and NoSQL databases (MongoDB, Redis), including advanced SQL
  • Proven expertise in designing, developing, and securing RESTful APIs and integration patterns
  • Hands-on experience with CI/CD systems (Tekton/Jenkins/GitHub Actions, Harness/GitLab CI) for automated deployment
  • Highly experienced with Unix-based operating systems
  • Working understanding of containerization (Docker) and Kubernetes orchestration
  • Able to troubleshoot/debug and optimize performance on distributed systems
Job Responsibility
Job Responsibility
  • Lead hands-on implementation and architecture of Python frameworks for scalable, resilient, and performant applications
  • Develop solutions adhering to architectural standards, utilizing in-depth technical and business domain knowledge
  • Enforce industry-standard SDLC best practices and contribute to code quality through reviews
  • Collaborate with cross-functional teams (Risk, Quants, FO, DevOps, Production Support) for seamless delivery
  • Drive development for Stress Testing and Regulatory Risk projects in the Market Risk domain
  • Manage project technical aspects, including planning, governance, and taking ownership of initiatives
  • Deliver high-quality solutions independently within a globally matrixed environment and under tight deadlines
  • Fulltime
Read More
Arrow Right

Java Python Senior Developer

The Applications Development Senior Programmer Analyst is an intermediate level ...
Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of relevant experience in Java and Python
  • 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
  • Experience with Development using Java, Spring and REST API
  • Proficiency with scripting languages like Python
  • Expertise in SQL , NoSQL and Big Data
  • Hands on experience with AI development tools like Co-pilot, DEVIN etc
Job Responsibility
Job Responsibility
  • Provide technical leadership and guidance to junior Dev engineers
  • Mentor team members on best practices and emerging technologies
  • Lead complex projects from inception to completion
  • Lead the development and maintenance of CI/CD pipelines using tools like Jenkins, GitLab CI, CircleCI, or Azure DevOps
  • Implement advanced CI/CD techniques such as blue/green deployments, canary releases, and feature flags
  • Optimize CI/CD pipelines for speed and reliability
  • Lead the implementation and management of containerized applications using Docker
  • Design and manage Kubernetes clusters for high availability and scalability
  • Troubleshoot and resolve complex containerization and orchestration issues
  • Design and implement comprehensive monitoring and logging solutions using tools like Prometheus, Grafana, ELK stack (Elasticsearch, Logstash, Kibana), or Splunk
  • Fulltime
Read More
Arrow Right

Senior Developer

We’re looking for a Senior .NET Developer, to be a core part of one our cross fu...
Location
Location
United Kingdom , Stockport
Salary
Salary:
Not provided
ao.com Logo
AO
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven experience building Web based .NET Solutions
  • Experience with Git, GitHub/Azure Dev ops
  • Familiarity with agile environments
  • Experience/knowledge of developing for the cloud
  • Experience with CI and Automation tools
  • Critical thinker and problem-solving skills
  • Be able to communicate well with technical and non-technical people
  • Comfortable working independently
Job Responsibility
Job Responsibility
  • Getting hands-on with building modern .NET Core applications
  • Helping move legacy systems over to newer tech
  • Shaping service‑driven architecture
  • Working with .NET Core, APIs and MySQL
  • Ensuring everything delivered is clean, secure and easy to maintain
  • Building and deploying into Azure
  • Keeping cloud infrastructure resilient
  • Driving technical improvements from idea stage right through to production
  • Collaborating with UI Developers for end‑to‑end solutions
  • Working closely with business stakeholders
What we offer
What we offer
  • 33 days holiday (inclusive of Bank Holidays)
  • Holiday purchase scheme on top of your above statutory allowance
  • Salary sacrifice pension scheme
  • Share save scheme
  • Discounts across the musicMagpie product range
  • Making a difference - 2 days paid leave for volunteering at a charity of your choice
  • Health & wellbeing - Employee Assistance Helpline (EAP) & access to mental health first aiders and much more
Read More
Arrow Right

Android Senior Developer

We are looking for a Senior Android developer to design, build, and maintain hig...
Location
Location
Salary
Salary:
Not provided
itransition.com Logo
Itransition
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of commercial Android experience
  • Proficient understanding of OOP, architectural principles, MVP, MVVM, SOLID, and Clean Architecture
  • Proficient understanding of Kotlin and Android SDK
  • Understanding of mobile UI/UX concepts
  • Experience with source control systems (Git), CI tools, and app distribution
  • English skills should be sufficient for taking part in conversations on the technical aspects of projects
Job Responsibility
Job Responsibility
  • design, build, and maintain high-quality Android applications
  • contributing to architecture decisions and complex technical solutions
What we offer
What we offer
  • Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota
  • Competitive compensation that depends on your qualification and sk
  • Career development system with clear skill qualifications
  • Flexible working hours aligned to your schedule
  • Options to work remotely
Read More
Arrow Right

Senior Java Developer - Assistant Vice President

The Applications Development Senior Programmer Analyst is an intermediate level ...
Location
Location
Canada , Mississauga
Salary
Salary:
94300.00 - 141500.00 USD / Year
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5-10 years of relevant experience in Requirement, analysis, Software programming, development, and Deployment 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
  • Modern Java Technologies: Core Java, Java EE, Spring Boot, Spring Microservices
  • Programming Principles: Strong understanding of OOPS (Object-Oriented Programming), Data Structures, and Algorithms
  • Solution Design: Extensive experience in designing and developing integrated solutions with non-functional requirements (scalability, availability, consistency)
  • Coding & Troubleshooting: Expertise in problem-solving and troubleshooting, ability to write "clean code" using Core Java, J2EE, Collections, and Multithreading
  • API Development: Proficiency in API and Web Services development using REST protocols
  • Front-end Technologies: Experience in ReactJS or AngularJS and basic front-end technologies: HTML5, CSS3, JavaScript (ES6+)
Job Responsibility
Job Responsibility
  • Collaborate with Technical lead to design, develop, and maintain software applications using Java, Spring, and Angular
  • Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
  • Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
  • Develop common, reusable components and services, adhering to Citi’s best practices
  • Design and develop high-performance, low-latency applications within existing Citi frameworks
  • Ensure the reliability, scalability, and performance of developed components
  • Adopt an engineering mindset, thoroughly understanding use-cases, estimating volume and compute velocity requirements, and openly discussing implementation challenges and solutions
  • Actively contribute to system design and architectural decisions
  • Evaluate new strategic initiatives through Proof-of-Concepts (POCs) and transition successful concepts into robust, industrial-grade solutions
  • Provide post-release support to business, development, and support teams
  • Fulltime
Read More
Arrow Right