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Salary
≈ $58k – $113k per year (Estimated)
Location
In office (London)
Seniority
Senior · 10+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Apr 28, 2026. Version 1 scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Version 1 is an Irish technology services company founded in Dublin in 1996 that delivers digital transformation, enterprise applications and managed services to public sector bodies and large private organisations. Its practices cover cloud migration on the major hyperscalers, Oracle and Microsoft enterprise applications, custom software engineering, data and artificial intelligence, and infrastructure managed services, with much of its revenue coming from British and Irish government contracts. The company is headquartered in Dublin, employs several thousand people across Ireland, the United Kingdom, India and North America, and is majority owned by Partners Group.

Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.

We’re an award-winning employer reflecting how our employees are at the very heart of what we do:

  • UK & Ireland's premier AWS, Microsoft & Oracle partner

  • 3300+ strong, €350/£300m revenue business

  • 10+ years as a Great Place to Work in Ireland & UK

  • Best Workplace for Women in the UK & Ireland by GPTW

  • Best Workplace for Wellbeing in the UK by GPTW

We’re a core values driven company, we hire people who share our values, and we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you!.

We are seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a strong background in Java development, extensive experience with AWS, database management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs.

Key Responsibilities:

  • Design and Development: Design and development of robust, scalable, and efficient Java applications.
  • AWS Integration: Utilize AWS services to build and deploy cloud-based solutions, ensuring high availability and scalability.
  • Database Management: Design, implement, and maintain database schemas, write complex SQL queries, and optimize database performance.
  • Batch Processing: Develop and manage batch processing systems to handle large volumes of data efficiently.
  • Code Quality: Ensure code quality through code reviews, unit testing, and adherence to best practices.
  • Collaboration: Work closely with cross-functional teams, including product managers, QA engineers, and other developers, to deliver high-quality software solutions.
  • Troubleshooting: Identify and resolve performance bottlenecks, bugs, and other technical issues.
  • Mentorship: Provide guidance and mentorship to junior developers, fostering a culture of continuous learning and improvement.
  • Education: Bachelor’s or master’s degree in computer science, Engineering, or a related field.
  • Experience: Proven experience of 7+ years working as a Java Developer in product development or services environment.
  • AWS Skills: Minimum 3+ years of work experience in AWS services such as EC2, S3, Lambda function, Step-functions, Event bus etc.
  • Database Skills: Minimum 5+ years of work experience with relational databases (e.g., Oracle, MySQL, PostgreSQL), ability to write complex joins, performance troubleshooting experience etc.
  • Technical Skills: Proficiency in Java, Spring Framework, Hibernate, and RESTful APIs.
  • Problem-Solving: Excellent analytical and problem-solving skills.
  • Communication: Strong verbal and written communication skills.
  • Team Player: Ability to work effectively in a collaborative team environment.

Preferred Qualifications:

  • Batch Processing experience: Hands-on experience with batch processing frameworks and tools.
  • Python experience: Minimum of 2 years is nice to have.

SC Clearance essential

Why Version 1?

At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability.

  • Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits

  • Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme

  • Flexible/remote working, Version 1 is tremendously understanding of life events and people’s individual circumstances and offer flexibility to help achieve a healthy work life balance

  • Financial Wellbeing initiatives including; Pension, Private Healthcare Cover, Life Assurance, Financial advice and an Employee Discount scheme

  • Employee Wellbeing schemes including Gym Discounts, Bike to Work, Fitness classes, Mindfulness Workshops, Employee Assistance Programme and much more. Generous holiday allowance, enhanced maternity/paternity leave, marriage/civil partnership leave and special leave policies

  • Educational assistance, incentivised certifications, and accreditations, including AWS, Microsoft, Oracle, and Red Hat

  • Reward schemes including Version 1’s Annual Excellence Awards & ‘Call-Out’ platform.

  • Environment, Social and Community First initiatives allow you to get involved in local fundraising and development opportunities as part of fostering our diversity, inclusion and belonging schemes.

And many more exciting benefits… drop us a note to find out more.

Version 1 is an equal opportunities employer.

We are committed to building a diverse, inclusive and respectful workplace where everyone feels valued and able to thrive. We welcome applications from people of all backgrounds, identities and lived experiences, and we value the different perspectives people bring.

We want every candidate to have a positive and accessible recruitment experience. If you need reasonable adjustments at any stage of the process, please contact [recruiter email address] at Version 1. We will consider all requests carefully, respectfully and confidentially.

Video links:

https://www.youtube.com/watch?v=F_d3ELTH5zo

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