Backend developer- Python (Domain-Trading/Fintech)

We are looking for a Senior Systems Engineer with 10+ years of experience in systems-level engineering (Rust/C/C++), including 5+ years of production Rust, to design and build high-performance, low-latency, fault-tolerant trading infrastructure. Prior hands-on experience with financial trading systems is mandatory.

Responsibilities

1. Design, develop, and maintain high-performance backend services using Rust - Build scalable and reliable distributed systems capable of handling high request volumes - Optimize application performance, memory usage, and resource utilization - Design clean, maintainable, and well-tested software architecture
2. Collaborate with product, engineering, and DevOps teams to deliver production-ready solutions
3. Participate in architecture discussions, code reviews, and technical planning - Troubleshoot production issues and improve system reliability and observability - Write clean, well-documented, production-quality code following engineering best practices

Required Qualifications

1. 10+ years of professional systems programming experience in Rust, C, or C++ (5+ years production Rust)
2. Mandatory: hands-on experience with financial trading systems — exchanges, order books, matching engines, OMS/RMS, or market data systems (equities, F&O, FX, commodities, or crypto)
3. Strong understanding of exchange mechanics — order types, price-time priority matching, spot trading, derivatives (futures/perpetuals), options, margining and liquidation concepts
4. Strong experience building production-grade, low-latency, high-throughput backend applications
5. Solid understanding of distributed systems and concurrent programming — Raft/consensus, replication, snapshots, deterministic state machines, exactly-once semantics
6. Advanced concurrency: lock-free/wait-free structures, ring buffers, thread-per-core design, core pinning
7. Strong understanding of networking concepts — TCP/IP, UDP, multicast, real-time communication, asynchronous networking
8. Experience designing and implementing binary communication protocols for inter-service communication (SBE, Protocol Buffers, FlatBuffers, Cap'n Proto)
9. Experience with microservices architecture and event-driven systems - Experience with messaging systems such as Aeron, Kafka, NATS, or similar high-performance platforms
10. Strong understanding of in-memory data structures and efficient memory management — cache lines, memory ordering, NUMA, allocation-free design
11. Experience working with relational databases and caching systems
12. Experience working in Linux-based production environments
13. Familiarity with containerization and modern deployment practices
14. Strong debugging, profiling, and benchmarking skills (perf, flamegraphs, Criterion) - Excellent problem-solving and analytical abilities; ability to work independently and take ownership of technical deliverables

Preferred Technical Experience

1. Tokio, Tonic (gRPC), Serde, Tracing, Criterion, Cargo/Clippy/Rustfmt - Aeron, LMAX Disruptor, Chronicle, or FIX engines
2. Kernel-bypass networking concepts (io_uring, DPDK, AF_XDP); hardware timestamping
3. Lock-free or wait-free programming techniques
4. Options pricing / Greeks / volatility surface exposure

Preferred Qualifications

1. Experience designing highly available and fault-tolerant systems (active-active, consensus-based failover)
2. Deterministic simulation / property-based testing of stateful systems
3. Exposure to cloud infrastructure and production monitoring tools
4. Open-source contributions (openraft, TigerBeetle, tokio, etc.) or personal Rust systems projects

Selection Process

1. 3 Rounds of Technical Interview
2. 1 Round of Management Interview
3. Shortlisting based on work evidence (repo/PR/design doc/write-up of a hard problem solved)
4. Systems design deep-dive (order book / matching engine design), hands-on coding round, distributed systems round

Senior BackEnd Engineer

The ideal candidate will have a strong background in building scalable applications, a deep understanding of back-end technologies, and experience with cloud infrastructure. As a Back End Engineer, you will be responsible for designing, developing, and maintaining a scalable workflow management system. You will work closely with cross-functional teams to build robust and efficient applications that meet the needs of our users. Your expertise in Scala, Python, AI Agents/APIs, and GCP will be crucial in ensuring our system is reliable, performant, and scalable.

Key Responsibilities:

Back-End Development:

• Build and maintain back-end services and APIs using Scala.
• Implement and optimize Orchestration workflow system involving database queries and operations.
• Build API integrations with Third Party APIs and services.
• Ensure robust and scalable server-side logic.

Cloud Integration:

• Deploy, manage, and monitor applications on Google Cloud Platform (GCP).
• Utilize GCP services to enhance application performance and scalability.
• Implement cloud-based solutions for data storage, processing, and analytics.

Collaboration And Communication:

• Work closely with cross-functional teams to define, design, and ship new features.
• Participate in code reviews and contribute to sharing team knowledge.
• Document development processes, coding standards, and project requirements.

Qualifications:

• Educational Background:
• Completed a masters/bachelor degree in Computer Science, Engineering, or a related field.
• Technical Skills:
• Proficiency in Scala programming language.
• Strong experience with React and ReactJS.
• Familiarity with Google Cloud Platform (GCP) and its services.
• Knowledge of front-end development tools and best practices.
• Understanding of RESTful API design and implementation.
• Soft Skills:
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities.
• Eagerness to learn and adapt to new technologies and challenges.

Preferred Qualifications:

• Experience with version control systems such as Git.
• Familiarity with CI/CD pipelines and DevOps practices.
• Understanding of workflow management systems and their requirements.
• Experience with containerization technologies like Docker.

Must have Skills

• Scala - 4 Years
• React.Js - 1 Years
• RESTful API - 4 Years
• Docker - 2 Years
• Python - 3 Years
• Artificial Intelligence - 2 Years

We're Hiring: Golang Developer (3–5 Years Experience)

Location: Mumbai

We are looking for a skilled Golang Developer with strong experience in backend development, microservices, and system-level programming. In this role, you will work on high-performance trading systems, low-latency architecture, and scalable backend solutions.

Key Responsibilities

• Develop and maintain backend services using Golang

• Build scalable, secure, and high-performance microservices

• Work with REST APIs, WebSockets, message queues, and distributed systems

• Collaborate with DevOps, frontend, and product teams for smooth project delivery

• Optimize performance, troubleshoot issues, and ensure system stability

Skills & Experience Required

• 3–5 years of experience in Golang development

• Strong understanding of data structures, concurrency, and networking

• Hands-on experience with MySQL / Redis / Kafka or similar technologies

• Good understanding of microservices architecture, APIs, and cloud environments

• Experience in fintech/trading systems is an added advantage

• Immediate joiners or candidates with up to 30 days notice period preferred

If you are passionate about backend engineering and want to build fast, scalable trading systems.

Job description:

Job Title: Backend Developer

Location: Jaipur

Experience: 1–4 Years

Job Type: Full-time

About Us:

AleaIT Solutions Pvt. Ltd. is a growing technology company delivering innovative software solutions across industries. We are looking for passionate and skilled individuals to be part of our dynamic development team.

Job Overview:

We are hiring a Backend Developer with 1-4 years of experience to design and build scalable backend systems and APIs. The ideal candidate should be well-versed in backend technologies, database management, and server-side logic.

Required Skills:

• 1–4 years of backend development experience in Node.js / PHP / Laravel
• Strong understanding of RESTful APIs and web services.
• Proficient in working with databases like MySQL, PostgreSQL, or MongoDB.
• Hands-on experience with Git or other version control tools.
• Familiarity with deployment and basic server management.
• Good understanding of security best practices.

Why Join AleaIT Solutions?

✅ Two-wheeler parking

✅ 18 Paid Leave annually

✅ 2 Saturdays off per month

✅ Monthly Team Breakfast

Job Types: Full-time, Permanent

Work Location: In person

� � What You’ll Do

• Build and scale backend services using Java & Spring Boot

• Work on API integrations (REST, SOAP), caching & rate limiting

• Contribute across the full SDLC – design, development, testing & deployment

• Solve problems around performance, scalability & reliability

� � What We’re Looking For

• Strong knowledge of Data Structures & Algorithms

• Experience with Java, Spring Boot, REST/SOAP

• Hands-on with system & solution design

• Database experience: MongoDB / PostgreSQL / MySQL / Oracle

• Good debugging skills & unit testing

• Familiarity with Git and AI coding assistants (Copilot, Claude, etc.)

We are looking for experienced PHP / Senior PHP Developer to join our web development projects. As a PHP Developer, you will play a key role in writing clean and efficient PHP code, following industry best practices and collaborating with the creative team. Your expertise and problem-solving skills will contribute to the success of our software development process.

Responsibilities:

• Write backend code and develop efficient PHP modules.
• Solve complex performance problems and address architectural issues.
• Integrate and combine data storage solutions.
• Contribute to all phases of the software development lifecycle.
• Troubleshoot and resolve issues as they arise.
• Collaborate effectively across different time zones using tools like GitHub, video conferences, and documents.
• Familiarity with common third-party APIs such as Google, Facebook, eBay, etc.
• Utilize version control tools and work with relational databases.
• Proficiency in HTML, CSS, JavaScript, and AJAX.
• Demonstrate strong problem-solving skills and attention to detail.
• Display a keen interest in learning new tools, languages, and workflows.

Requirements:

• B.Tech / MCA/ M.Tech/ Msc IT.
• Minimum of 5+ years of experience.
• Wordpress experience is a plus point
• Strong knowledge of PHP programming language and related frameworks such as Laravel, Symfony, or CodeIgniter.
• Proficiency in HTML, CSS, JavaScript, and jQuery.
• Experience working with databases like MySQL, PostgreSQL, or MongoDB.
• Familiarity with version control systems, preferably Git.
• Understanding of object-oriented programming (OOP) principles.
• Strong problem-solving skills and ability to work independently as well as in a team environment.

• Hands-on development and optimization of image enhancing algorithms for image processing using computational imaging
• Working with peer teams on researching and resolving complex software and system problems
• Analvze and optimize different methodologies to improve output of image processing
• Work closely with Quality Assurance teams to refine algorithms for optimal system performance
• Support products from the early development and prototyping phases through to production
• Developing functional specifications per customer requirements
• Good understanding of image processing techniques such as edge detection skills, image alignment, removing noise, image segmentation, correction/modification, compression, and image reconstruction

Currently, we are ongoing a Big Project for which we need an immediate Golang Developer for 6 Months on a contract basis with a strong understanding of quality design, problem-solving, contributing ideas on using the latest technologies etc. This role will involve collaboration with the business partners, product managers and other representatives. We’re looking for a highly skilled Senior Software Engineer to work closely with the product and the open-source community to build the Digirex vision. You’ll join a highly collaborative team working along with talented engineers focusing to be the best in Cloud-native ecosystem. You should also be willing to work with a start-up