
Senior Java Software Engineer
On site
London, United Kingdom
£ 525 / day
Freelance
04-03-2025
Job Specifications
Senior Software Engineer
£525 per day (Umbrella)
3 Days a Week in Central London
12-Month Contract
We are seeking a Senior Software Engineer to contribute to the evolution of global banking technology. This role involves working on critical financial systems that enable secure, high-speed transactions worldwide. You will modernize legacy applications, develop innovative solutions, and ensure seamless banking operations across multiple regions.
Key Responsibilities:
Lead complex projects and deliver scalable technology solutions
Oversee the planning, development, and deployment of banking applications
Tackle technical challenges and provide expertise in urgent/wire payment processing
Support and integrate Oracle Banking Payments Module (OBPM) and Oracle Flexcube
Mentor engineering teams and ensure best practices in DevOps and agile development
Skills & Experience Required:
Strong software engineering background within banking or financial services
Expertise in Java development, financial technology, and payment processing systems
Experience with Oracle PL/SQL, Jira, and enterprise banking platforms
Proven ability to lead projects, solve complex technical issues, and collaborate across teams
Desirable experience with Microservices, WebLogic, and automation tools
Interested? Please call 0203 189 4352 or patrick.hagger@twentyai.com
About the Company
twentyAI has a vision to unite the power of people, data and technology to transform how organisations grow, scale and diversify. Technology is rapidly evolving, but the talent engagement process hasn't kept up. The challenge is to overcome the increasing complexity of process and compliance whilst still providing a rapid and precise human solution. Many HR tech platforms exist but few can solve these problems. Because recruitment is reliant on people and hiring successfully is immersed in nuance. We are striving to overcom... Know more
Related Jobs


- Company Name
- Square One Resources
- Job Title
- Remedy Developer (ARS v8) - Hybrid/Berkshire
- Job Description
- Job Title: Remedy Developer (ARS v8) - Hybrid/UK Location: Ideally Reading office once or twice a week - happy to consider other UK locations Salary/Rate: Up to £589 a day Inside IR35 Start Date: March/April Job Type: 16 Week Contract (with scope to extend) Company Introduction We are looking for a Remedy Developer to join our client in the Telecommunication industry. .*Must have Remedy ARS V8 experience for this role* You will contribute to the Design, Development, Enhancement & Support of hybrid (bespoke & vendor) Service Management IT solutions and provides subject matter expertise to enable others in the team to meet delivery needs & challenges. You will ensure the Service Management technical environment(s), processes, tools, capability and capacity are fit for purpose and shape/influence the operating model to improve the delivery service provided (costs, timescales & quality). The successful candidate for this role must be able to travel to their closest office once or twice a week, as well as the Reading office occasionally for meetings. Knowledge & Experience: Excellent verbal & written experience of the English language. Extensive recent knowledge and practical experience of one or more of the following software products:- BMC Remedy ARS (on premise) BMC Atrium Integrator Awareness & understanding of multiple software development/integration technologies (see Technical Skills & Abilities). Proven use of different Development/Delivery methodologies (eg Waterfall, Agile ). Ability to effectively communicate with all levels to ensure mutual and shared understanding. Builds and maintains strong internal and external relationships through mutual understanding. Excellent trouble-shooting and problem solving skills Experience of analysing, impact assessing, planning and resolving complex technology requirements, problems and issues. Technical Skills & Abilities: Customisation, Development and Integration skills, that can be evidenced/showcased, in BMC Remedy (ARS V8+ - as "greenfield" bespoke dev). Ability to integrate Remedy and 3rd party tools (on-prem). Experience on rest API, Atrium Integrator configuration and Remedy workflow development. Experience of BMC CMDB and the ability to troubleshoot issues related to data normalization, reconciliation Excellent SQL skills across industry RDBMS technologies (Oracle, MS SQLServer..) Awareness/Experience across industry RDBMS development languages (stored procedures/scripting) Proficient Windows/Unix skills (OS cmd line/Shell Scripting/Services). Recent experience in source code/version control management & delivery collaborative tools (eg Jira, Subversion, Microsoft Team Foundation Server ). Understands, explains and presents complex technical ideas or issues to both technical and non-technical audiences at all levels in a persuasive and convincing manner. Authentic, transparent and considerate. Works hard to create a Winning Team. Displays Energy and passion to achieve and exceed stretching objectives often delivering within tight timescales Job Responsibilities/Objectives Participates & Supports in impact assessment and analysis of hybrid Service Management platform solutions through direct fault fix or subject matter expertise to other support partners. Participates and Supports in the Quality Assurance of solution delivery (Unit, System, Integration, User Acceptance, Operational Readiness and Post Implementation test cycles). Data Configuration, Customisation and Development of bespoke Remedy ARS platform and Atrium CMDB & Integrator components. Support the production of delivery Impact Assessments, for software development, against business requirements, to allow timescales, costs and complexity to be socialized and agreed before any delivery engagement. Production of Detailed/Functional Design of hybrid Service Management platform solutions, based on business requirements and in line with architecture steer and security & compliance obligations. Peer review of code, configuration and documentation, ensuring it meets industry and organisational standards. Maintains and improves relationships with key customers, peers in other functions/operating countries and key vendor partners. Ensures that system development is implemented in a secure, compliant (ie CAS-T, IL3 and PSN obligations), coherent and consistent manner and that planned systems developments are compatible with the organisation's existing systems, infrastructure and strategic plans. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.


- Company Name
- Lorien
- Job Title
- Power BI Developer - Hybrid Working
- Job Description
- Power BI Developer - Hybrid Working Our client, a national automotive company, are currently looking to hire a Power BI Developer to join the team on a contract basis. This role would be hybrid working, with the client site based in Basingstoke. The aim of this role is to deliver robust and sustainable Power BI solutions to stakeholders across the business, with a strong focus on delivering tools which directly support business teams to meet their commercial and operational objectives. In this role you will work as part of a team to design, develop, roll out and support Power BI solutions for a range of different business stakeholders. You will maintain the Power BI semantic models and reports, ensuring they remain fit for purpose and they continue to perform as expected. Responsibilities: Liaise with stakeholders to respond to data queries, troubleshoot issues, and gather user requirements that support future BI solutions. Design and develop those future BI solutions (Power BI semantic models and reports), ensuring they are developed in a way that maximises the value they bring to the business. Provide story point estimates for development work within part of sprint planning activities. Define clear documentation of final solutions to allow for output portability. Proactively look for opportunities where Power BI could be used to replace or enhance existing inadequate reporting. Develop and enhance robust BI processes including development, peer review, testing, and release. Support the UX design of new reports and templating to provide a visually strong appearance for stakeholders Provide best-practise advice for the adoption and development of Power BI artefacts in line with data strategy and processes. Work with the wider Data team and business stakeholders to ensure data is defined, structured and accessible in a way that supports the self-serve of Power BI reports and Semantic Models. Identify and effectively escalate risks and issues with systems and data requirements. Knowledge and Experience: 4 years' experience in building and maintaining reliable and scalable Power BI reporting, dashboards and semantic layers including all aspects of the development lifecycle (build, test, release etc) Strong knowledge of Power BI, particularly with the building of semantic models using large data volumes. Knowledge and experience of Power BI Report Builder is beneficial. A strong proficiency with SQL A keen understanding of data models and data warehouse concepts. Application of these with Databricks and Microsoft Azure is preferred, although experience with equivalent technologies will be taken in to consideration. Experience with modern user experience techniques, including audiences, personas, user stories and user interface design. Able to grasp a situation, structure the challenge and enjoy wrestling with a problem and generating insight. Able to communicate and present ideas well to a variety of colleagues and clients Enthused by the prospect of common ambition and shared success. A deep desire to achieving a fast, high quality and effective outcome. A strong record and experience of engaging and collaborating with stakeholders and suppliers within a complex enterprise organisation to produce business value Please apply! Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.


- Company Name
- mthree
- Job Title
- Senior Python Developer
- Job Description
- Senior Python Developer Project at a major Investment Bank seeks an experienced Python Developer to join their Front Office trading technology team delivering solutions that manage pricing and trade execution for FX Derivatives instruments. As the Senior Python Developer you will build a new platform for trading and risk calculations and associated regulatory reporting using back end OO Python in a Unix / Linux environment, with involvement in the full development cycle in an Agile (Scrum) approach. Experience required: Significant experience working as a server side Python developer in a Front Office environment OOD Test-driven development Relational databases Experience working in an Agile environment Linux / Unix Desirable skills for you as the Python Developer: Experience of Regulatory reporting associated with Trading such as MiFID II or EMIR Experience building real-time applications based on a messaging paradigm Experience building large-scale data processing pipelines (for e.g. using Apache Spark, etc) Experience building Highly Available and High Performance applications Experience of FIX messaging protocol FX Options / Derivatives experience Senior Python Developer


- Company Name
- TalentHawk
- Job Title
- 2nd/3rd Line Support Engineer
- Job Description
- 2nd/3rd Line Support Engineer - Contract - Inside IR35 - Hybrid - Crawley Join our dynamic IT team and play a pivotal role in ensuring seamless software operations and support! We are seeking a highly skilled and proactive Software Support Specialist to join our clients team. You will be instrumental in maintaining the smooth operation of our clients software applications and systems, providing expert support to both internal teams and external clients. If you are a problem solver with a passion for technology and a knack for clear communication, we want to hear from you! Job Overview: As our clients Software Support Specialist, you will be responsible for troubleshooting software issues, facilitating system integrations, and ensuring optimal software performance. You will work closely with various teams to deliver exceptional user experiences and contribute to the efficiency of our IT infrastructure. Key Responsibilities: Software Support: Provide timely and effective technical support for software-related issues. Troubleshoot, diagnose, and resolve software problems efficiently. Maintain detailed documentation of support requests and resolutions. Collaborate to identify and resolve recurring software issues, suggesting process improvements. System Integration: Assist in the integration of software applications and systems for seamless data flow. Work with project managers to design, implement, and test integration solutions. Install and configure software applications and integrations, adhering to best practices. Monitoring and Maintenance: Monitor software performance and identify areas for optimization. Conduct regular software audits for compliance and functionality. Collaborate with IT security teams to ensure software security protocols. Collaboration and Communication: Participate in software deployment projects, providing user experience insights. Provide regular updates on support metrics, integration milestones, and software performance. Qualifications: Experience: Minimum 5 years of experience in software support and system integration. Proven experience with integration tools and methodologies (APIs, middleware, ETL). Technical Skills: Proficiency in troubleshooting diverse software applications (DBMS, CRM, enterprise applications). Strong experience working with Microsoft SQL and Oracle databases. Familiarity with programming languages (Java, Python, C#) and scripting languages (PowerShell, Bash) is a plus. Soft Skills: Excellent verbal and written communication skills for technical and non-technical audiences. Strong analytical and problem-solving abilities with a focus on user experience. Ability to work independently and collaboratively, managing multiple priorities