Middleware Messaging – Senior MQ Lead Job at Citi (Warsaw)

Senior Application Support Lead – Payments and Services

Citi is a world-leading global bank. We have approximately 200 million customer ...

Location

United Kingdom , Belfast

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Proven leadership experience in a support environment
Excellent time management and customer service skills
Ability to manage and prioritise competing tasks while operating in a challenging and sometimes ambiguous environment
Excellent problem-solving skills with a proven track-record in technical support and experience with: Unix/Linux operating systems
Middleware messaging systems e.g. MQ and Kafka
Database services e.g. Oracle and MongoDB
Cloud-based, containerised software solutions hosted on premises and public cloud e.g. RedHat Openshift and AWS
Enterprise monitoring solutions e.g. ITRS Geneos

Job Responsibility

Manage daily operations of the team, ensuring efficient workload distribution and adherence to SLAs/KPIs
Coordinating support of major incidents, managing incident resolution and senior communications, prioritising service-related issues and acting as primary escalation point
Overseeing the onboarding of new, updated and modified applications through change process ensuring close collaboration with development teams
Drive continuous improvement by analysing trends in support issues and working with development teams to prioritise enhancements
Contribute to disaster recovery planning by preparing application test and recovery plans and driving test events
Manage stakeholder engagement and timely notifications of application disruption
Train and mentor team members, set clear goals and promote Citi culture

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

Applications Development Senior Programmer Analyst

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

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
Design and architect scalable, secure and high performance Java based applications
Lead the development of Micro Services based architectures and cloud based applications
Work experience in multiple messaging middleware (Kafka, MQ etc..)
Experience in Docker/Container Orchestration tools (K8S/Open Shift)

Job Responsibility

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
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
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

What we offer

Global Benefits
We bring the best to our people
We put our employees first and provide the best-in-class benefits they need to be well, live well and save well

Fulltime

New

Senior Incident Optimization Specialist - Data & Middleware

The Senior Incident Operations & Optimization Specialist for Data & Middleware i...

Location

United States , Irving

Salary:

125760.00 - 188640.00 USD / Year

Citi

Expiration Date

March 26, 2026

Requirements

A minimum of 8+ years of hands-on experience in database administration, middleware engineering, or enterprise data platform operations
Proven experience in event management, alert tuning, and incident reduction for data and middleware services, with measurable results
Direct, hands-on experience with modern AIOps and event management platforms is required
Deep knowledge of both relational (e.g., Oracle, SQL Server) and NoSQL (e.g., MongoDB) database technologies, including clustering, replication, and performance tuning
Expertise in middleware platforms, including messaging technologies (e.g., MQ, Kafka) and application servers (e.g., WebSphere, Tomcat)
Hands-on experience developing robust automation solutions using relevant scripting languages (e.g., Python, Shell) and modern automation frameworks
Proficiency in log analysis, pattern recognition, and using query languages for data analysis on log aggregation platforms
Excellent analytical abilities with a systematic approach to troubleshooting complex data platform architectures and correlating infrastructure issues with application impact
Exceptional communication skills with the ability to collaborate effectively with DBAs, middleware engineers, and application teams, and to present technical concepts to diverse audiences
Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related technical field

Job Responsibility

Analyze and optimize monitoring across all database and middleware platforms to address high-volume, low-value alerts, identify patterns in incident generation, and determine root causes
Develop and implement domain-specific correlation, de-duplication, and suppression rules on AIOps and event management platforms
Create logic that understands database cluster relationships, messaging dependencies, and application-to-database connections
Architect and develop automation playbooks for incident data enrichment and automated remediation of common database and middleware issues, such as connection pool resets or service restarts
Identify monitoring gaps across the data and middleware landscape, proposing enhancements to ensure comprehensive health monitoring and address blind spots in transactional flows
Partner closely with Database Administration (DBA), middleware engineering, and application teams to validate correlation logic, build consensus on threshold changes, and provide expert guidance on event management best practices
Continuously validate the effectiveness of implemented rules and automation, ensuring critical health indicators remain highly visible
Lead post-implementation reviews and drive iterative improvements

What we offer

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
discretionary and formulaic incentive and retention awards

Fulltime

New

Customer Service Representative

We are looking for a dedicated Customer Service Representative to join our team ...

Location

United States , Fairfield

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Proven experience in a customer service or administrative support role
Strong understanding of general office functions and procedures
Ability to conduct research and analyze information to resolve customer concerns
Proficiency in managing detailed and organized email correspondence
Familiarity with hiring processes, including scheduling and candidate communication
Strong troubleshooting skills to address and resolve customer inquiries
Excellent verbal and written communication skills
Ability to work onsite in Fairfield, Ohio, as required

Job Responsibility

Respond to customer inquiries via phone, email, or in person, delivering accurate and timely information
Provide support with general office tasks, ensuring all documentation and processes are handled efficiently
Conduct research to resolve customer issues or provide in-depth responses to inquiries
Maintain thorough and effective email correspondence with clients and internal teams
Assist with hiring-related processes, including scheduling and managing communication with candidates
Troubleshoot customer concerns and escalate complex issues to the appropriate departments
Deliver clear and precise communication to ensure customer satisfaction
Collaborate with team members to improve service delivery and address common challenges
Stay updated on company products, services, and policies to provide accurate information
Ensure all customer interactions are logged and documented appropriately

What we offer

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

New

Senior Applied ML Engineer

Our partner is a fast-growing, innovation-driven company building and deploying ...

Location

Hungary , Budapest

Salary:

Not provided

Randstad

Expiration Date

May 31, 2026

Requirements

Senior ML Expertise: 5+ years in applied ML/MLE (2+ years at senior/lead level) with mastery of PyTorch or TensorFlow for deep learning debugging and inference
Specialized Domain Ownership: Proven production experience in at least one area: RL/Contextual Bandits, Recommender Systems (Ranking/Retrieval), or Computer Vision
Core Engineering: Strong command of algorithms, data structures, and performance optimization alongside MLOps basics (Containers, CI/CD, Monitoring)
Advanced ML Ops & Scaling: Experience with distributed compute (Ray/Spark), feature stores, and streaming/event-driven pipelines for real-time decisioning
Evaluation & Reliability: Expertise in offline/online experimentation and a strong SRE mindset for maintaining ML service SLOs and incident readiness

Job Responsibility

RL & Decision Optimization: Design environments and reward functions
deploy policies safely using offline evaluation and gradual rollouts
Recommender Systems: Build hybrid candidate generation and ranking stacks
drive impact through rigorous statistical experimentation
Computer Vision: Develop high-performance CV pipelines (classification/detection) optimized for real-world latency and robustness
Productionization: Deploy models as scalable services
implement monitoring for drift, data quality, and automated feature pipelines
Technical Leadership: Raise engineering standards through design reviews, mentorship, and cross-team collaboration

What we offer

Career Growth
Collaborative Team
Exciting Projects
Remote Work

Fulltime

New

Project Operations Lead

Breef is seeking a Project Operations Lead to join our team. You will serve as t...

Location

United States , Denver

Salary:

70000.00 - 90000.00 USD / Year

Breef

Expiration Date

Until further notice

Requirements

2+ years of project management or account services experience within an agency, media company, or technology startup
Excellent verbal and written communication and customer support skills
Familiarity with and genuine interest in the modern marketing landscape, including how agencies work with brands
A passion for supporting and guiding customers to enhance their experience
Experience with modern remote workplace tools including Google Suite, HubSpot, Slack, calendar booking systems, and email workflow tools

Job Responsibility

Serve as the primary point of contact between brands and agencies, managing all project communications including emails, platform support, project guidance
Expertly communicate Breef's process to both client and agency users, coordinating project details and executing follow-up to guide users toward closing a project
Work closely with the sales team to ensure a smooth handoff and transition as clients begin the agency search process
Partner with the product team to translate user feedback and insights into actionable product features, and support product development and testing
Work cross-functionally to support company and product initiatives as needed
Embody the mission and vision of Breef with an understanding of how and why we do what we do

What we offer

Equity in a high-growth startup
Competitive benefits, vacation and remote work policy
Opportunity for extreme growth and ownership within the organization

Fulltime

New

Mechanical/Electrical/Controls Commissioning Engineer

We are seeking experienced Mechanical, Electrical, and Controls Conveyor Commiss...

Location

United States , Lebanon, Tennessee

Salary:

42.00 USD / Hour

Summit Skilled Solutions

Expiration Date

Until further notice

Requirements

5+ years of experience in one or more of the following: Conveyor systems
Material handling equipment (MHE)
Industrial automation
Electrical or mechanical systems
Hands-on troubleshooting experience in: Mechanical systems
Electrical systems
Controls or automation environments
Ability to read and interpret: Layout drawings
Electrical schematics
System flow diagrams

Job Responsibility

Perform commissioning and startup activities for conveyor and material handling systems
Conduct full system walk-downs, following package flow from inbound to outbound to validate performance
Verify proper operation of: Belts, motors, and drives
Sortation equipment
Sensors, photo eyes, and control devices
Monitor and analyze system throughput, identifying: Bottlenecks
Flow restrictions
Timing or sequencing issues
Troubleshoot mechanical, electrical, and controls-related issues
Collaborate with a multi-discipline commissioning team (Mechanical, Electrical, Controls) to resolve system deficiencies

What we offer

Per diem ranging from $178–$307/day (based on location)

Fulltime

New

Controller

Our client is looking for a Controller with 5+ years of accounting experience. B...

Location

United States , Minneapolis

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Accounting or a related field
Minimum of 5 years of accounting experience, manufacturing required
Demonstrated ability to manage month-end close procedures with efficiency and accuracy
Solid understanding of financial reporting and compliance standards
Excellent analytical and problem-solving skills
Effective communication and interpersonal abilities for collaboration across teams

What we offer

medical
vision
dental
life and disability insurance
401(k) plan

Middleware Messaging – Senior MQ Lead

Citi

Location:
Poland , Warsaw

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 25, 2026

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