Backend Developer Python jobs in Belfast

MCS Group

£40,000 - £50,000 /year

Company Overview MCS Group are delighted to be partnering with a well-established, profitable software company based in Northern Ireland is building cloud platforms used across regulated industries including animal health. Their products replace legacy systems with modern, scalable solutions and are

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Senior Python Developer needed to join the worlds newest IoT company Are you a Senior/Principal level Python developer looking for a new challenge? Do you want to work with some of the brightest minds in Northern Ireland? Want to work on true greenfield projects that nobody has done before? The Role

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Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas

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Senior Python Developer needed to join the worlds newest IoT company Are you a Senior/Principal level Python developer looking for a new challenge? Do you want to work with some of the brightest minds in Northern Ireland? Want to work on true greenfield projects that nobody has done before? The Role

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Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas

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Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas

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Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas

The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to c

Stanley David and Associates

Experience in programming languages like Python, Java, SQL Knowledge in AI development tools or frameworks Knowledge of data processing, ETL patterns, or analytics pipelines 4-6 years of relevant experience in ETL, low-code-no code platforms, BI solutions, data- wrangling fields with interest toward

Citigroup

The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to c

Citigroup

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contrib

Citi

Job Req Id 26949297 Location(s) Belfast, Northern Ireland, United Kingdom Job Type Hybrid Posted Apr. 09, 2026 ## 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’

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Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas

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Senior Python Developer needed to join the worlds newest IoT company Are you a Senior/Principal level Python developer looking for a new challenge? Do you want to work with some of the brightest minds in Northern Ireland? Want to work on true greenfield projects that nobody has done before? The Role

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Lead Backend Developer We're partnering with a modern, cloud-native company delivering high-quality platforms and digital experiences. They're hiring a Lead Backend Developer to own backend engineering and drive the technical direction of scalable APIs and services. This is a hands-on leadership rol

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Senior Python Developer needed to join the worlds newest IoT company Are you a Senior/Principal level Python developer looking for a new challenge? Do you want to work with some of the brightest minds in Northern Ireland? Want to work on true greenfield projects that nobody has done before? The Role

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

Requirements Must have: - 3-5 years experience in Ruby on Rails (or strong backend experience with willingness to cross-train from Python) - Solid commercial software engineering background - Comfortable owning features end-to-end and working in production environments - Interested in mentoring othe

Requirements Must have: - A degree in Computer Science, Software Engineering or related discipline - Commercial backend experience in a high-level language, ideally Golang and/or Java - Experience building or operating cloud-based systems - Exposure to distributed systems, messaging platforms or dat

Requirements Must have: - Strong Node.js & TypeScript experience - Proven experience in a lead or senior engineering role - Experience building scalable APIs / microservices - Strong knowledge of cloud platforms (AWS, Azure or GCP) - Understanding of API security and authentication - Excellent c