Senior Python Engineer Python Java jobs in Belfast

Ocho People

A growing product-led engineering organization is seeking a Backend Software Engineer to design and develop reliable Python backend services. You will craft high-performance systems and APIs, ensuring scalability and system clarity. The role requires strong experience in Python, with a focus on syst

Overview Principal Software Engineer, Nifty Gateway108 E 16th Street, New York, NY 10003Required Skills Experience with at least one major cloud provider (AWS, Azure, or GCP) is necessary.A solid understanding of scripting or programming for automation (e.g., Python , Bash) is essential.Familiarity

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job OverviewEngin

Arqit

A leading cybersecurity firm located in Belfast is seeking a Senior Python Developer to enhance their Encryption Intelligence technology. The ideal candidate will have significant commercial experience and a deep understanding of Python programming. Responsibilities include developing robust softwar

Citi

A leading global financial services company in Belfast is seeking a Vice President to join their innovative Markets Technology team. This role focuses on designing and building Generative AI systems, applying modern AI engineering disciplines, and collaborating with talented engineers. Ideal candida

Ocho People

A technology-focused company in Northern Ireland is seeking a Senior Python Engineer. This role involves designing and developing high-quality backend systems using Python and modern frameworks. The ideal candidate will have over 5 years of experience, strong problem-solving skills, and an understan

Citigroup Inc.

A leading financial services company in Northern Ireland is looking for a Vice President in Tech to engineer next-generation AI solutions. You will work on scalable, production-grade applications primarily using Python, and collaborate closely with teams to deliver impactful solutions. Ideal candida

A leading cybersecurity firm is seeking a Senior Python Engineer to own the development lifecycle and contribute to high-quality features. You will mentor junior engineers and collaborate with cross-functional teams to enhance our award-winning products. The ideal candidate will have over 5 years of

Citigroup Inc.

Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer b

MCS Group

A leading financial services organisation in Belfast is seeking an experienced Python software engineer to join their new AI Centre of Excellence. You will work in a cross-functional team to deliver AI-powered solutions in regulated environments, taking ML/AI solutions from concept to production. Th

Citibank (Switzerland) AG

## For additional information, please review .Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financi

Requirements Must have: - Hands-on Java or Python experience - Strong understanding of multithreading, concurrency, and microservices architecture - Experience working with distributed data technologies and streaming systems - Solid SQL and data modeling expertise - Exposure to cloud environments an

Liberty IT

A leading digital innovation company in Northern Ireland seeks experienced data engineers to join their Global Data Hub project. The role involves building a scalable data infrastructure, developing data pipelines, and collaborating with cross-functional teams. Successful candidates will have strong

Tata Consultancy Services

A leading global consulting firm in Belfast, UK, is seeking a Python Engineer to design, develop, and maintain backend services and microservices. The role focuses on clean coding practices, automated testing, and secure deployments in a regulated environment. Candidates should have strong Python sk

MCS Group

Overview MCS Group is delighted to be working with a leading financial services organisation is building out a brand-new AI Centre of Excellence and is hiring an experienced Python software engineer to help take AI from experimentation into real-world production.This is a hands-on engineering role,

MCS Group

MCS Group is looking for an experienced, hands-on Python Developer with a strong AWS background. This is a superb opportunity for someone to gain exposure to a market disruptor within their sector. If you are passionate, self-motivated and have hands-on commercial Python development, this could be e

Requirements Must have: - Strong commercial experience in software development (Java, Python, TypeScript, or JavaScript) - Experience with modern frameworks (e.g. React, Node.js/NestJS, Spring, etc.) - Solid understanding of APIs, microservices, and distributed systems - Experience working with SQL

MCS Group are thrilled to be partnered with a rapidly growing and highly respected software business delivering industry-leading solutions for customers across the UK and Ireland. Founded in recent years, the company has scaled quickly into a trusted, product-led organisation, supporting thousands o

Requirements Must have: - Strong Python software engineering background - Understanding of APIs, microservices, and cloud environments (AWS/Azure/GCP) - Experience taking products from concept to production - Comfortable working in fast-paced, Agile environments - Bonus: Experience with LangChain, v

Ocho

Overview Our client is a global cybersecurity company delivering quantum-safe encryption to protect enterprises, governments, and critical national infrastructure. Their advanced cryptography ensures resilience against current and emerging quantum threats, with solutions spanning telecoms, defence,