Python Developer/Engineer

Mars Capital; Dublin; On-site; EUR 90,000 - 125,000; Full time

Job summary

Mars Capital in Dublin is seeking a senior AWS/Python developer to design, build, and maintain scalable contact center solutions using AWS Connect. The role requires 5+ years in AWS and Python, with hands-on experience in Lambda, API Gateway, and serverless architectures.

You will integrate AWS Connect with AWS services, implement CI/CD pipelines, and ensure secure, scalable delivery while collaborating with cross‑functional teams and continuously improving the platform.

Qualifications

• Bachelor’s degree in computer science or related field.
• 5+ years of experience with AWS cloud services and Python development.
• Proven experience with AWS Connect and related services.
• Strong knowledge of RESTful APIs, CI/CD, and IaC tooling.

Responsibilities

• Design, develop, and maintain scalable contact center solutions using AWS Connect.
• Integrate AWS Connect with Lambda, DynamoDB, S3 and other services for seamless operations.
• Develop and deploy serverless applications and APIs using Lambda and Python.
• Implement and manage CI/CD pipelines for efficient deployment and updates.
• Monitor performance, reliability, and availability; address issues proactively.
• Conduct root cause analysis and apply fixes and preventive measures.
• Collaborate with cross‑functional teams to gather requirements and ensure smooth implementation.
• Write clean, well‑documented code following industry standards; stay updated with AWS best practices.

Skills

AWS Connect

Python

AWS services

CI/CD

REST APIs

Git

Terraform

Cloud architecture

Education

Bachelor's degree in CS

Tools

AWS Lambda

API Gateway

CloudFormation

Terraform

Kinesis

SQS

SNS

Job description

WELCOME TO MARS CAPITAL

Mars Capital Finance Ireland DAC (“Mars Capital”) is part of Arrow Global Group Limited, which is one of Europe’s leading integrated asset managers with €112bn Assets Under Management (“AUM”) and 4,400 employees across five jurisdictions

Company Description

Mars Capital was established in 2015 and is a Regulated Credit Servicing Firm, authorised by the Central Bank of Ireland and located in Dublin 2. Mars Capital has the capacity and regulatory authority to service loans secured against properties and has €8bn AUM, experiencing significant growth in recent years.

Our Culture and Way of Working

We’re entrepreneurial, fast-paced and decisive, working together safely and supportively. We trust our colleagues to make the right decisions and are brave enough to acknowledge mistakes and to learn from them. Celebrating success, we reward those who help us to achieve exceptional long-term results.

We’re inclusive and encourage our colleagues to be themselves. Our culture supports the difference that makes each of us unique. We’re open and eager to embrace new ways of working and have a diverse community, enriched by our local identities that works collaboratively to build a unified and dynamic organisation.

We believe that a supported flexible working approach helps us to retain valued colleagues, enhance wellbeing, increase motivation and encourage a healthy work/life balance. If you’re interviewed, ask about the flexibility involved in this role.

Our Values

Our stakeholders expect us to act in an ethical and responsible way and this is at the heart of how we conduct our business. Our values support this philosophy, and we seek out and reward behaviours that will make us more sustainable, responsible and successful. Our values are- we succeed together; we do the right thing; we’re trusted and valued; and we’re brave and creative. You’ll hear more about these throughout the interview process.

Our STAR Awards provide a fantastic platform to send a special thank you to a colleague who may have gone above and beyond to help you and the business succeed, or someone who has been brave and creative with their own approach to how they work. Values orientated, our Recognition Scheme plays a pivotal role in aligning and celebrating our culture, and simply wouldn’t exist without colleague participation and input.

Our Environmental, Social and Governance (“ESG”) Commitment

We’re committed to investing responsibly and supporting our local communities and charitable organisations. Every colleague is encouraged to take a paid day each calendar year to volunteer for our nominated charities. Internally we are very proud of our four colleague-led engagement groups, who run events/initiatives, that promote our culture and values which is a key part of the life blood of this business.

Job Description

Role Overview

• Design, develop, and maintain scalable and reliable contact center solutions using AWS Connect.
• Integrate AWS Connect with various AWS services such as Lambda, DynamoDB, S3, and others to ensure seamless operations.
• Develop and deploy serverless applications and APIs using AWS Lambda and Python.
• Implement and manage CI/CD pipelines for efficient deployment and updates.
• Monitor system performance, reliability, and availability, addressing any issues proactively.
• Implement best practices for security, scalability, and performance optimization of AWS Connect solutions.
• Conduct root cause analysis for incidents and apply fixes and preventive measures.
• Collaborate with cross-functional teams to gather requirements and ensure smooth implementation of contact center features.
• Write clean, maintainable, and well‑documented code following industry standards.
• Stay updated with the latest AWS services, tools, and best practices to continuously improve our solutions.

Qualifications

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Minimum of 5+ years of experience in AWS cloud services and Python development.
• Proven experience as a Python Developer with a strong focus on AWS services.
• Hands‑on experience with AWS Connect and other related AWS services.
• Proficiency in serverless computing using AWS Lambda and API Gateway.
• Strong understanding of cloud architecture and AWS best practices.
• Experience with CI/CD pipelines and infrastructure as code (IaC) tools like AWS CloudFormation or Terraform.
• Knowledge of RESTful APIs and web services development.
• Familiarity with version control systems such as Git.
• Excellent problem‑solving skills and the ability to work independently and in a team environment.
• Strong communication skills and the ability to collaborate effectively with both technical and non‑technical stakeholders.

Preferred Qualifications

• AWS Certified Developer, or any relevant AWS certification. Candidates with certifications will be given priority consideration.
• Experience with other AWS services such as Kinesis, SNS, SQS, and Step Functions.
• Knowledge of contact center operations and related technologies.
• Experience with agile development methodologies.

Nice to Have

• Experience with Amazon Connect is highly desirable. Candidates with strong AWS serverless development experience and a willingness to learn Amazon Connect are encouraged to apply.
• Experience with cloud data warehouses, data lakes, or managed data integration services.
• Exposure to Generative AI, Large Language Models (LLMs), or AI-assisted software development.

Key Competencies / Characteristics

• Ownership Mindset – You take responsibility for delivering high‑quality solutions and see problems through to resolution.
• Customer Focus – You build solutions that improve customer and business outcomes.
• Collaborative Approach – You work effectively across engineering, operations, and business teams to deliver successful outcomes.
• Continuous Improvement – You actively seek opportunities to improve engineering practices, automation, and platform reliability.

  Central Bank of Ireland (“CBI”) Fitness & Probity Regime

  Some of our roles are Control Functions (“CF”) as defined by the Central Bank Reform Act 2010. If a vacancy is for a CF role, it will be indicated above. For CF roles, appointment will be conditional on Mars Capital being fully satisfied that the appointee meets the requirements as set out in the Fitness and Probity Standards 2018 issued by the Central Bank of Ireland. In the case of proposed appointees to Pre-Approval Control Functions, this includes prior approval by the CBI of such appointments.

  D&I statement

  D&I statement

  D&I statement