Backend Python Developer jobs in Belfast

eFinancialCareers

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 Overview The

eFinancialCareers

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 Overview The

Randstad Technologies Recruitment

€45,000 - €45,000 /year

Job Description: Core Java & Frameworks: Strong Core Java and Spring Boot application development; experience with Java NIO (Channels, Buffers, Selectors) is expected. Low-Latency & Trading Systems: Expert knowledge of FIX protocol, Market Connectivity, and low-latency programming. Messaging & Data

ThriveIT Systems

Role: Java Backend Developer Location: Belfast Work Mode: Permanent JOB DESCRIPTION: * Technical Skills Required * Experience with Java NIO components like Channels Buffers and Selectors is expected * Expert knowledge of FIX protocol Market Connectivity and Low latency programming is a must * Very s

Randstad Digital

Job Description Role: Senior Python/GenAI DeveloperLocation: Dublin (OR) Belfast (Hybrid - 3 Days In-Office)Role Type: Permanent / Full-Time (FTE)Our client is looking for a Senior GenAI Application Developer/ Engineer to join their global technology hub in Dublin. This is a high-impact, permanent r

Smartedge Solutions

Your responsibilities: Develop, test, and maintain backend services and microservices . Design and implement RESTful APIs following coding standards and best practices. Participate in design reviews, code reviews, and technical discussions . Implement automated unit and integration tests to ensure c

Ocho

€80,000 - €80,000 /year

Backend Developer AWS | Belfast (Hybrid 3 Days) Location: Belfast Type: Full-time About the Opportunity: This is an opportunity to join a high-performing backend engineering team working on a modern cloud security platform. The environment is fast-paced and engineering-led, focused on solving comple

Randstad Digital

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent / Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/ Engineer to join their global technology hub in Dublin. This is a high-impact, permanent role designed

Adepta Partners Limited is seeking a Python Developer for a full-time role in Belfast, United Kingdom. The ideal candidate will have strong commercial experience in Python, proven hands-on experience with Pandas for data analysis, and solid knowledge of data structures and algorithms. This position

Ocho

€65,000 - €65,000 /year

Python Web Application Developer Join at a key stage of growth, where your work will directly shape the evolution of the platform and engineering function. Belfast (Hybrid) Permanent The Opportunity Ocho are delighted to be exclusively partnering with a major organisation scaling rapidly across Nort

Ocho

€100,000 - €100,000 /year

Senior Backend Engineer (Go / Java) - Exciting NEW Exclusive OchoX FDI - Remote first company Salary circa £100k+ bonus + benefits Please note candidates should reside in Northern Ireland to be eligible to apply. About the Company: Our client is a fast-growing SaaS organisation. Their AI powered tec

Python DeveloperLocation: Belfast, United Kingdom Posted 9 months ago Company: Adepta Partners Limited Compensation£100,000 - 100,000 per year Role typeFull time Visa sponsorshipNot provided Tech Stack Data Structures Algorithms Python SOLID Requirements Strong commercial experience in Python . Prov

Python Software Engineer (Mid to Senior) – Backend Focus Remote (Ireland / Northern Ireland) | 1 day per month on site Company OverviewA technology-driven digital business operating a large-scale consumer platform with significant daily user activity. This is a small IT function within a broader org

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

SOLAS IT RECRUITMENT is looking for a Python Software Engineer to join a collaborative remote team in Northern Ireland. This role focuses on backend development, requiring strong Python and SQL skills, with an emphasis on data processing and system performance. The successful candidate will work in

MCS Group

MCS Group is seeking multiple Software Engineers to support a global technology organization's Cyber Security Engineering teams in Belfast. This opportunity involves designing and developing scalable backend services, APIs, and cloud-native applications in a collaborative environment. Candidates sho

Ocho

€65,000 - €65,000 /year

Requirements Must have: - Strong commercial experience with Python (Django, FastAPI or similar) and TypeScript - Experience building web applications and REST APIs - Comfortable working from high-level requirements or user stories through to solution design and delivery - Ability to break down probl

Ocho

€100,000 - €100,000 /year

Requirements Must have: - 10 years of professional software engineering experience, with 5 years focused on backend development. - Advanced proficiency in Go or Java with a deep understanding of distributed systems. - Hands-on experience with cloud infrastructure (ideally GCP) and containerised envi

Ocho

€80,000 - €80,000 /year

Requirements Must have: - Degree in Computer Science, Software Engineering or related field - Experience in backend development using a high-level language such as Go or Java - Exposure to cloud platforms such as AWS, GCP or Azure - Experience working with data-intensive systems and distributed arch

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