6,143 Senior C Developer jobs in the Philippines

Key Responsibilities

• Develop, debug, and maintain firmware for microcontrollers and embedded SoCs (bootloaders, RTOS, bare-metal).
• Write and integrate communication protocols (Modbus RTU/TCP, SNMP v1/v2c/v3, MQTT, REST APIs).
• Interface with telecom devices via UART, RS485, I2C, SPI, CAN, and Ethernet.
• Implement failover logic, watchdogs, data buffering, and low-power modes.
• Build firmware updaters (OTA/FOTA) with validation and rollback.
• Collaborate with hardware engineers for board bring-up and testing.
• Manage SNMP MIBs, traps, and telemetry formats.
• Ensure compliance with telecom standards and security best practices.

Qualifications

Bachelor's degree in Electronics, Communications, or Computer Engineering

3+ years of experience in embedded firmware development (C/C++)

Proficiency with ARM Cortex, ESP32, or similar MCUs

Strong knowledge of Modbus, SNMP, MQTT, TCP/IP, serial protocols

Experience with RTOS (FreeRTOS, Zephyr) and bare-metal systems

Skilled in debugging using JTAG, oscilloscopes, logic analyzers

Familiarity with Git and CI/CD workflows

Preferred Experience

Telecom: BTS integration, site monitoring, hybrid energy systems

4G/5G modems, AT commands, dual-SIM failover logic

SNMP MIB development and NMS integration

Power/thermal management at firmware level

Remote configuration, diagnostics, and FOTA

Security: encrypted boot, TLS, credential management

Soft Skills

• Critical thinking and attention to detail
• Strong communication skills (written and verbal)
• Ability to work independently and within cross-functional teams
• Thrives in fast-paced, field-tested environments

Job Type: Full-time

Pay: Php100, Php125,000.00 per month

Work Location: In person

Key Responsibilities

• Develop, debug, and maintain firmware for microcontrollers and embedded SoCs (bootloaders, RTOS, bare-metal).
• Write and integrate communication protocols (Modbus RTU/TCP, SNMP v1/v2c/v3, MQTT, REST APIs).
• Interface with telecom devices via UART, RS485, I2C, SPI, CAN, and Ethernet.
• Implement failover logic, watchdogs, data buffering, and low-power modes.
• Build firmware updaters (OTA/FOTA) with validation and rollback.
• Collaborate with hardware engineers for board bring-up and testing.
• Manage SNMP MIBs, traps, and telemetry formats.
• Ensure compliance with telecom standards and security best practices.

Qualifications

Bachelor's degree in Electronics, Communications, or Computer Engineering

3+ years of experience in embedded firmware development (C/C++)

Proficiency with ARM Cortex, ESP32, or similar MCUs

Strong knowledge of Modbus, SNMP, MQTT, TCP/IP, serial protocols

Experience with RTOS (FreeRTOS, Zephyr) and bare-metal systems

Skilled in debugging using JTAG, oscilloscopes, logic analyzers

Familiarity with Git and CI/CD workflows

Preferred Experience

- Telecom: BTS integration, site monitoring, hybrid energy systems

- 4G/5G modems, AT commands, dual-SIM failover logic

- SNMP MIB development and NMS integration

- Power/thermal management at firmware level

- Remote configuration, diagnostics, and FOTA

- Security: encrypted boot, TLS, credential management

Soft Skills

• Critical thinking and attention to detail
• Strong communication skills (written and verbal)
• Ability to work independently and within cross-functional teams
• Thrives in fast-paced, field-tested environments

Responsibilities:

Develop and debug firmware for MCUs (e.g., ARM Cortex, ESP32)

Implement protocols: Modbus, SNMP, MQTT, HTTP/HTTPS, REST APIs

Interface with hardware via UART, RS485, I2C, SPI, CAN, Ethernet

Build failover logic, watchdogs, low-power modes, and OTA updates

Collaborate on board bring-up and system validation

Manage SNMP MIBs, telemetry, and remote config tools

Ensure telecom compliance and embedded security standards

Required Skills and Qualifications:

Bachelor's degree in Electronics, Communications, or Computer Engineering

3+ years of experience in embedded firmware development (C/C++)

Proficiency with firmware development for ARM Cortex, ESP32, or similar MCUs

Deep knowledge of embedded communication protocols: Modbus, SNMP, MQTT, TCP/IP, and serial interfaces

Experience with RTOS (FreeRTOS, Zephyr) and bare-metal systems

Strong debugging and troubleshooting skills using JTAG, logic analyzers, oscilloscopes

Familiarity with Git and embedded CI/CD workflows

Job Type: Full-time

Pay: Php40, Php80,000.00 per month

Benefits:

• Opportunities for promotion

Work Location: In person

Job Description:

We are seeking a highly skilled Senior & GraphQL Developer to join our development team. You will be responsible for designing, developing, and optimizing server-side applications and APIs, with a strong focus on GraphQL-based architectures. You will mentor junior developers, ensure code quality, and collaborate closely with cross-functional teams to deliver scalable, high-performance solutions.

Key Responsibilities

• Design, develop, and maintain server-side applications using and GraphQL.

• Build, optimize, and maintain GraphQL schemas, resolvers, and queries for efficient data retrieval.

• Collaborate with frontend teams to define API contracts and integrate with client-side applications.

• Write clean, maintainable, and testable code following best practices.

• Implement authentication, authorization, and data security within APIs.

• Monitor and optimize application performance and scalability.

• Participate in code reviews, providing constructive feedback to team members.

• Work with DevOps teams to ensure smooth deployment, CI/CD pipelines, and production stability.

• Stay updated with industry trends, tools, and technologies to continuously improve processes.

• Mentor junior developers and guide them on technical challenges.

Required Skills & Qualifications

• 5+ years of professional experience in backend development.

• Strong proficiency in

• Deep understanding of GraphQL concepts (schemas, resolvers, mutations, subscriptions).

• Experience with Apollo Server, Relay, or similar GraphQL implementations.

• Strong knowledge of REST APIs and integration patterns.

• Solid understanding of JavaScript and TypeScript.

• Proficiency in working with databases (SQL and/or NoSQL such as PostgreSQL, MySQL, MongoDB).

• Familiarity with microservices architecture and event-driven systems.

• Experience with unit testing, integration testing, and test-driven development (TDD).

• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI, etc.).

• Strong problem-solving skills and ability to work in an agile environment.

• Excellent communication and leadership skills.

Soft Skills

• Strong collaboration and interpersonal skills.

• Ability to lead technical discussions and make architectural decisions.

• Proactive, self-driven, and detail-oriented mindset.

• Mentoring and coaching capabilities.

Must have skills:

• Strong proficiency in

• Deep understanding of GraphQL concepts (schemas, resolvers, mutations, subscriptions).

• Experience with Apollo Server, Relay, or similar GraphQL implementations.

• Solid understanding of JavaScript and TypeScript.

Good to have skills:

• Strong knowledge of REST APIs and integration patterns.

• Proficiency in working with databases (SQL and/or NoSQL such as PostgreSQL, MySQL, MongoDB).

• Familiarity with microservices architecture and event-driven systems.

• Experience with unit testing, integration testing, and test-driven development (TDD).

• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI, etc.).

• laptop to be provided

• Expected to perform independently and become an SME.
• Required active participation/contribution in team discussions.
• Contribute in providing solutions to work-related problems.
• Collaborate with team members to analyze, design, and develop software solutions.
• Write clean, maintainable, and efficient code for various projects.
• Participate in code reviews and provide constructive feedback to peers.
• Troubleshoot and debug issues to ensure the quality and performance of applications.
• Stay updated on industry trends and technologies to suggest improvements and innovative solutions.

• Candidate must possess a Bachelor's/College Degree in computer science or a related field
• Expert proficiency in Multiplatform Front End Development React with at least 3 years of experience
• Additional Good-to-Have Skills: Experience with
• Strong understanding of front-end development principles and best practices.
• Experience in building responsive and user-friendly web applications.
• Proficiency in JavaScript, HTML, and CSS.
• Knowledge of state management libraries such as Redux or MobX.

Career Level

Mid to Senior

Work Location

Taguig City

Work Setup

100% Onsite

Job Type

Project-based

Qualifications

• Bachelor's degree in computer science, Information Technology, or a related field, or equivalent work experience.
• At least 2 years of experience in web development
• .NET Core API and Web C#
• Clean Code Architecture
• Azure AD/ENTRA ID
• PL/SQL

Job Description

1. Develop or revise programs based on approved program specifications.

2. Prepare test data, along with the expected test results, and conduct a unit test of the assigned programs.

3. Prepares necessary documentation of the programming phase.

4. Assist in conducting system tests and verification of test results.

5. Assist in the resolution of problems and complaints brought up by supported business units.

6. Other tasks assigned by the Project Lead/Section/Department Head

About Citco
JOB DESCRIPTION
The Citco group of companies (Citco) is a network of independent companies worldwide for over 70 years, all of which are leading providers of asset-servicing solutions to the global alternative investment industry. With $1.8+ trillion in AuA and operations across 36 countries with over 50 office locations.

For decades, industry publications have recognized our leadership in service and innovation. These accolades are a reflection of our drive to push ourselves and our industry forward.

With strategically positioned global offices ,we offer opportunities for graduates and seasoned professionals to work across the world. Careers at Citco can span continents.

For more information about Citco, please visit

About The Team & Business Line
Proprietary software solutions and innovation are at the core of what differentiates Citco in the alternative investment space. Through our network of global development centres, Citco invests heavily in technology development, security, and infrastructure to ensure our clients continue to receive award-winning products that underpin our commitment to service excellence.

As a core member of our Product Development team you will work with dedicated professionals to ensure our clients maintain access to their critical information assets while keeping Citco ahead of industry trends.

Your Role
You will be working in a cross-functional team, using agile methodologies to build cloud native applications for the financial services industry. We are looking for true team players who can work beyond their specialty to help the team deliver. Every team member is responsible for the quality of the product and should be willing to work on any tasks needed, be it front-end, back end, test automation, deployment automation, etc… The succesful candidate will use their experience and talent to help drive the delivery of the system, introduce new tech and guide the evolution of our applications.

• Participate and contribute on all team activities such as Pair Programming, Sprint Planning , Sprint Execution , Daily Scrum , Sprint Review , Sprint Retrospective
• Develop front end React components
• Design and develop API code using Python and
• Perform reviews and ensure the quality of the team's work
• Testing: Design and implement unit, integration, systems, performance and load testing
• Stay current on emerging technologies and be able to match them to a Citco need when required
• Manage AWS resources in a safe and cost-effective manner.

About You

• Bachelor's degree in Engineering, Computer Science, or equivalent
• 5+ years of experience with software engineering experience
• 3+ years of experience with JavaScript / React / Redux
• 2+ years of experience with Java
• Experience with AWS services such as S3, ECS, RDS, IAM, CFN
• Experience with Docker
• Experience with relational databases
• Experience working on Agile teams
• Solid understanding and demonstrated proficiency with core software development processes - debugging, code tuning, code management and branching, coding styles and refactoring.
• Must be self-motivated and driven, with strong analytical, problem solving, and communication skills.
• Knowledge of financial industry, specially accounting / general ledger will be preferred.

Our Benefits
Your well being is of paramount importance to us, and central to our success. We provide a range of benefits, training and education support, and flexible working arrangements to help you achieve success in your career while balancing personal needs. Ask us about specific benefits in your location.

We embrace diversity, prioritizing the hiring of people from diverse backgrounds. Our inclusive culture is a source of pride and strength, fostering innovation and mutual respect

Citco welcomes and encourages applications from people with disabilities. Accommodations are available upon request for candidates taking part in all aspects of the selection.

Responsibilities
Your Role:
You will be working in a cross-functional team, using agile methodologies to build cloud native applications for the financial services industry. We are looking for true team players who can work beyond their specialty to help the team deliver. Every team member is responsible for the quality of the product and should be willing to work on any tasks needed, be it front-end, back end, test automation, deployment automation, etc… The succesful candidate will use their experience and talent to help drive the delivery of the system, introduce new tech and guide the evolution of our applications.

• Participate and contribute on all team activities such as Pair Programming, Sprint Planning , Sprint Execution , Daily Scrum , Sprint Review , Sprint Retrospective
• Develop front end React components
• Design and develop API code using Python and
• Perform reviews and ensure the quality of the team's work
• Testing: Design and implement unit, integration, systems, performance and load testing
• Stay current on emerging technologies and be able to match them to a Citco need when required
• Manage AWS resources in a safe and cost-effective manner.

Responsibilities:

• Develop and maintain scalable web applications using

• Build reusable UI components with Redux, SCSS, TypeScript, and modern JavaScript (ES6+).

• Write unit tests for React components to ensure reliability and maintainability.

• Collaborate with designers, backend engineers, and Business Analyst to deliver high-quality features.

• Ensure responsive design, performance optimization, and accessibility standards.

• Conduct code reviews and mentor junior developers.

• Integrate with RESTful APIs services.

Qualifications:

• Must have 3+ years of professional web development experience.

• Strong knowledge of front-end architecture and design patterns.

• Experience with performance tuning and debugging complex React applications.

• Solid understanding of Git workflows.

• Strong communication and problem-solving skills.

Mandatory Skills

• (advanced proficiency)

• Redux (state management)

• SCSS / CSS3

• HTML5

• JavaScript (ES6+)

• TypeScript

• React Unit Testing (e.g., Jest, React Testing Library)

Job Highlights

• laptop to be provided

Responsibilities

• Perform the detailed design of application and technology architecture components and classes
• Configure build and test the application or technology architecture components and classes
• Work with other developers designers and architects to make sure that the configuration and custom components meet application requirements and performance goals
• Create automated unit test scripts and use them as part of a continuous integration development process
• Perform code profiling by using appropriate tools to confirm coding compliance with application development standards
• Check code coverage of unit and assembly tests and ensure it meets expectations
• Document the code during development to ensure maintainability
• Document changes to the code for traceability and update the traceability matrix or other requirements tracking tool Inform the technology architect and project manager of any issues that may affect any other areas of the project

Qualifications

• Bachelor's or College degree in Computer Science, Information Technology, and/or a related fields
• Must have 2 years of experience in a similar role
• Must have extensive experience in ASP.NET MVC
• Must have experience in HTML
• Must have experience in CSS
• Experience in Javascript preferred
• Experience in jQuery is preferred
• Must have experience in web services development
• Hands-on experience in implementing MVC design patterns is preferred

Job Types: Full-time, Permanent, Fixed term

Benefits:

• Health insurance
• Paid training

Work Location: In person