Contract BASE24-eps Developer (Inside IR35). 12-months - London OR Swindon - Hybrid

Contract BASE24-eps Developer (Inside IR35). 12-months - London OR Swindon - Hybrid

Posted Today by Hawksworth

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Negotiable
Inside
Hybrid
London Area, United Kingdom
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Authorisation (Computing) BASE24 Cryptography Debugging EFTPOS File Servers Issuer Java (Programming Language) Journals Key Management Management Payment Systems Perl (Programming Language) Scripting Software Development System Configuration Tandem Advanced Command Language (TACL) Test Planning Tokenisation Unit Testing Web Services Wireless Router

Summary: Hawksworth is seeking a Contract BASE24-eps Developer for a global client, focusing on modernizing the BASE24 platform. This senior role involves end-to-end development and migration from BASE24-classic to BASE24-eps, requiring strong technical expertise in payment systems. The position is hybrid, with three days in the office and two days remote each week, and is initially for a 12-month term. The role is classified as inside IR35.

Key Responsibilities:

  • Own end-to-end Development for BASE24-eps system.
  • Understand customer requirements and prepare design/functional specifications if necessary.
  • Develop end-to-end unit test plans with execution strategies for core changes.
  • Prepare implementation plans for test and production systems.
  • Hands-on involvement in BASE24-classic to BASE24-eps migration programmes.

Key Skills:

  • Strong experience and solid understanding of BASE24-eps development and transaction processing flows.
  • Understanding of script uses and customization.
  • Experience working on large-scale payment switch systems (ATM, POS, SWITCH).
  • Deep knowledge of IS08583 messaging (VISA/LINK), journals, TDEs, tokens, STM/PSTM.
  • BASE24-eps system configuration and control, layers, integrated server, SAF/context manager, database tables, Perl make.
  • HP NonStop Tandem architecture, PATHWAY, TACL, Enscribe, C/C++, Java, XPNET/NCPCOM.
  • Experience in development, scripting, and compilations.
  • Transaction monitoring, debugging, inspection, and configurations.
  • Strong understanding of BASE24-eps configurations (message delivery, prefix, router, authorization, HISO/BICI, acquirer, issuer, process control, environments management), trace, DALCI web services configuration and controls TSS, ACI desktop.
  • Solid understanding of HSM integration, key management, PIN block formats, and cryptography in a payment context.
  • Hands-on experience with payment security standards: PCI DSS, 3-D Secure, tokenization, and EMV.

Salary (Rate): undetermined

City: London

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

Hawksworth are hiring! We are recruiting for a trusted global client who are looking for a Contract BASE24-eps Developer (Inside IR35). Rate: Negotiable and to be discussed, but good market rates

Term: 12 months initially, hopeful that will extend.

Working: Hybrid, x3 days in the office, x2 days remote per week

The job: This is a senior, experienced BASE24-eps Developer position to provide end-to-end development across payment systems with a focus on modernizing and evolving the BASE24 platform. In this role, you will act as BASE24-eps Developer, customizing different BASE24-eps components based on the requirements, Scripting, including the migration of from BASE24-classic to BASE24-eps.

Responsibilities.

  • Own end-to-end Development for BASE24-eps system.
  • Understand the Customer requirements and Prepare the Design/Functional Specifications if necessary.
  • End to end Unit Test Plan with execution strategy which includes all the development related core changes.
  • Prepare the Implementation plan for Test & Production Systems.
  • Hands-on involvement in BASE24-classic to BAS24-eps migration programmes.

Required skills & experience:

  • Strong experience and solid understanding of BASE24-eps development and transaction processing flows.
  • Understanding of Script uses and its customization.
  • Experience working on large-scale payment switch system (ATM, POS , SWITCH)
  • Deep Knowledge of : IS08583 messaging (VISA/LINK) , Journals, TDEs, Tokens, STM/PSTM.
  • BASE24-eps system configuration and control, Layers, Integrated Server, SAF/Context Manager, Database Tables, Perl make.
  • HP nonstop tandem architecture PATHWAY, TACL, Enscribe, C/C++, Java, XPNET/NCPCOM.
  • Experience in: Development, Scripting & Compilations.
  • Transaction monitoring, debugging, inspect and configurations.
  • Strong understanding of : BASE24-eps Configurations (Message Delivery, Prefix, Router, Authorization, HISO/BICI, Acquirer, Issuer, Process Control, Environments Management), Trace, DALCI Web Services configuration and controls TSS , ACI desktop
  • Solid understanding of HSM integration ,key management, PIN block formats and cryptography in a payment context.
  • Hands on experience with payment security standards: PCI DSS,3-D Secure, tokenization and EMV.

If you are a BASE24-eps Developer, we would like to hear from you so please apply. You can also reach out to me at richard@hawksworthuk.com Thank you.

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