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Connex Developer / Base24 Developer Sr Lead

at FIS

India Senior Posted 2026-05-29

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About this role

Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun.  About the team : FIS is looking to add an energetic, talented, and experienced Connex/Base24 developer to our growing team. There are  more 23 Connex switch instances supported by the HP NonStop systems, processing 2.3 billion card transactions per month for FIS. The role of the Connex Developer is to provide support, analyze and code the new changes, and fix the production issues that may arise and require further investigation and resolution.  What you will be doing: Design, code, test, implement, maintain and support applications software that is delivered on time and within budget. Work closely with customers, business analysts and team members to understand business requirements that drive analysis and design of quality technical solutions ensuring alignment with business and IT strategies and complying with FIS architectural standards. Provides application software development services or technical support typically in a defined project. Develops program logic for new applications or analyzes and modifies logic in existing applications. Codes, tests, debugs, documents, implements and maintains software applications. What you bring: Overall experience of 8-15 years 7+ years of Development experience in Connex on HP/Base 24 swtich Hands on experience in, TAL,TACL, SCOBOL, Tandem and Non-Stop SQL. Build tool: Bit Bucket, SVN, GIT, Maven etc. Strong analytical skills Organizational and time management skills required (ability to juggle multiple priorities at a time) What we offer you : An exciting opportunity be a part of World’s Leading FinTech Product MNC To be a part of vibrant team and to build up a career on core banking/payments domain A multifaceted job with a high degree of responsibility and a broad spectrum of opportunities A broad range of professional education and personal development possibilities – FIS is your final career step! Privacy Statement FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice . Sourcing Model Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company. #pridepass

How to get this job at FIS

  1. Don't rely on the portal. Cold applications for a role like Connex Developer / Base24 Developer Sr Lead land in a pile of hundreds. A direct, personalised message to the hiring manager or a referrer is the fastest way in.
  2. Find the right person. ResuMail surfaces the actual recruiters and hiring managers at FIS — not a generic careers inbox.
  3. Send tailored outreach. ResuMail drafts an email personalised to your resume and this role, then paces and schedules sends so you stay out of spam.
  4. Follow up. One polite nudge after 5–7 days roughly doubles reply rates — scheduled for you.

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