Sr. Apex Developer (Fixed Income Trading Systems)

Three Across; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

A leading financial technology firm is seeking a skilled Sr. Apex Developer to enhance Fixed Income trading systems. The role involves developing services on the Apex platform, providing production support, and collaborating on trade flows with cross-functional teams. Candidates should have a strong background in Fixed Income trading, expertise in Apex Toolkit API, and proficiency in C++. This full-time role requires excellent communication skills and the ability to work under pressure, with a focus on delivering high-quality solutions.

Qualifications

• Hands-on experience supporting Fixed Income trading desks within investment banking.
• Strong expertise in Apex Toolkit API with a minimum of 2 years experience.
• C++ proficiency is mandatory.

Responsibilities

• Develop and maintain services on the Apex trading platform.
• Deliver end-to-end STP trade flows in collaboration with cross-functional teams.
• Provide L1 & L2 production support for trading platforms.

Skills

Apex Toolkit API

C++

Repo and SBL knowledge

FIX protocol

Linux environments

Education

Bachelor’s degree in Computer Science or related field

Job description

Sr. Apex Developer (Fixed Income Trading Systems)

Role: Sr. Apex Developer (Fixed Income Trading Systems)

Location: Bengaluru

Work Mode: Onsite

Overview

We are looking for an experienced Apex Developer to support and enhance critical Fixed Income trading platforms, working closely with Front Office, BAU, and project teams across Repo and Securities Borrowing & Lending (SBL) businesses.

Key Responsibilities

• Develop and maintain services on the Apex trading platform aligned to Repo and SBL priorities
• Deliver end-to-end STP trade flows in collaboration with cross-functional teams
• Provide L1 & L2 production support for trading platforms (Repo, SBL, TRY)
• Investigate, diagnose, and resolve Apex-related incidents in a time-sensitive environment
• Participate in BAU and regulatory-driven projects (e.g., SFTR, MiFID II)
• Conduct code reviews and ensure delivery of high-quality, production‑ready code
• Prepare and maintain technical documentation (TDDs, TDOs)
• Coordinate with project teams for production releases and deployments
• Engage with stakeholders and vendors to translate business requirements into technical solutions

Required Skills & Experience

• Hands‑on experience supporting Fixed Income trading desks within investment banking
• Strong expertise in Apex Toolkit API (minimum ~2 years)
• C++ proficiency is mandatory
• Solid understanding of Repo, SBL, derivatives, trade lifecycle, pricing, and booking
• Experience with FIX protocol and messaging formats
• Exposure to Linux environments and application infrastructure
• Bachelor’s degree in Computer Science or related field (or equivalent experience)

Good To Have

• Experience with Apex Loanet Interface (ALI)
• Familiarity with Google Unit Testing frameworks

Personal Attributes

• Strong communication and stakeholder management skills
• Calm under pressure with a structured, analytical mindset
• High ownership, accountability, and attention to detail
• Ability to manage high workloads and tight delivery timelines

In a world where milliseconds can define risk and reward, the strongest technologists are those who understand not just code, but the business heartbeat behind every trade.

Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Engineering and Information Technology

Industries: Investment Banking